// DO NOT EDIT !
// This file was generated automatically from 'src/mako/cli/main.rs.mako'
// DO NOT EDIT !
#![allow(unused_variables, unused_imports, dead_code, unused_mut)]

extern crate tokio;

#[macro_use]
extern crate clap;
extern crate yup_oauth2 as oauth2;

use std::env;
use std::io::{self, Write};
use clap::{App, SubCommand, Arg};

use google_reseller1_sandbox::{api, Error};

mod client;

use client::{InvalidOptionsError, CLIError, arg_from_str, writer_from_opts, parse_kv_arg,
          input_file_from_opts, input_mime_from_opts, FieldCursor, FieldError, CallType, UploadProtocol,
          calltype_from_str, remove_json_null_values, ComplexType, JsonType, JsonTypeInfo};

use std::default::Default;
use std::str::FromStr;

use serde_json as json;
use clap::ArgMatches;

enum DoitError {
    IoError(String, io::Error),
    ApiError(Error),
}

struct Engine<'n> {
    opt: ArgMatches<'n>,
    hub: api::Reseller,
    gp: Vec<&'static str>,
    gpm: Vec<(&'static str, &'static str)>,
}


impl<'n> Engine<'n> {
    async fn _customers_get(&self, opt: &ArgMatches<'n>, dry_run: bool, err: &mut InvalidOptionsError)
                                                    -> Result<(), DoitError> {
        let mut call = self.hub.customers().get(opt.value_of("customer-id").unwrap_or(""));
        for parg in opt.values_of("v").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
            let (key, value) = parse_kv_arg(&*parg, err, false);
            match key {
                _ => {
                    let mut found = false;
                    for param in &self.gp {
                        if key == *param {
                            found = true;
                            call = call.param(self.gpm.iter().find(|t| t.0 == key).unwrap_or(&("", key)).1, value.unwrap_or("unset"));
                            break;
                        }
                    }
                    if !found {
                        err.issues.push(CLIError::UnknownParameter(key.to_string(),
                                                                  {let mut v = Vec::new();
                                                                           v.extend(self.gp.iter().map(|v|*v));
                                                                           v } ));
                    }
                }
            }
        }
        let protocol = CallType::Standard;
        if dry_run {
            Ok(())
        } else {
            assert!(err.issues.len() == 0);
            for scope in self.opt.values_of("url").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
                call = call.add_scope(scope);
            }
            let mut ostream = match writer_from_opts(opt.value_of("out")) {
                Ok(mut f) => f,
                Err(io_err) => return Err(DoitError::IoError(opt.value_of("out").unwrap_or("-").to_string(), io_err)),
            };
            match match protocol {
                CallType::Standard => call.doit().await,
                _ => unreachable!()
            } {
                Err(api_err) => Err(DoitError::ApiError(api_err)),
                Ok((mut response, output_schema)) => {
                    let mut value = json::value::to_value(&output_schema).expect("serde to work");
                    remove_json_null_values(&mut value);
                    json::to_writer_pretty(&mut ostream, &value).unwrap();
                    ostream.flush().unwrap();
                    Ok(())
                }
            }
        }
    }

    async fn _customers_insert(&self, opt: &ArgMatches<'n>, dry_run: bool, err: &mut InvalidOptionsError)
                                                    -> Result<(), DoitError> {
        
        let mut field_cursor = FieldCursor::default();
        let mut object = json::value::Value::Object(Default::default());
        
        for kvarg in opt.values_of("kv").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
            let last_errc = err.issues.len();
            let (key, value) = parse_kv_arg(&*kvarg, err, false);
            let mut temp_cursor = field_cursor.clone();
            if let Err(field_err) = temp_cursor.set(&*key) {
                err.issues.push(field_err);
            }
            if value.is_none() {
                field_cursor = temp_cursor.clone();
                if err.issues.len() > last_errc {
                    err.issues.remove(last_errc);
                }
                continue;
            }
        
            let type_info: Option<(&'static str, JsonTypeInfo)> =
                match &temp_cursor.to_string()[..] {
                    "alternate-email" => Some(("alternateEmail", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "customer-domain" => Some(("customerDomain", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "customer-domain-verified" => Some(("customerDomainVerified", JsonTypeInfo { jtype: JsonType::Boolean, ctype: ComplexType::Pod })),
                    "customer-id" => Some(("customerId", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "kind" => Some(("kind", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "phone-number" => Some(("phoneNumber", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "postal-address.address-line1" => Some(("postalAddress.addressLine1", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "postal-address.address-line2" => Some(("postalAddress.addressLine2", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "postal-address.address-line3" => Some(("postalAddress.addressLine3", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "postal-address.contact-name" => Some(("postalAddress.contactName", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "postal-address.country-code" => Some(("postalAddress.countryCode", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "postal-address.kind" => Some(("postalAddress.kind", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "postal-address.locality" => Some(("postalAddress.locality", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "postal-address.organization-name" => Some(("postalAddress.organizationName", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "postal-address.postal-code" => Some(("postalAddress.postalCode", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "postal-address.region" => Some(("postalAddress.region", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "resource-ui-url" => Some(("resourceUiUrl", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    _ => {
                        let suggestion = FieldCursor::did_you_mean(key, &vec!["address-line1", "address-line2", "address-line3", "alternate-email", "contact-name", "country-code", "customer-domain", "customer-domain-verified", "customer-id", "kind", "locality", "organization-name", "phone-number", "postal-address", "postal-code", "region", "resource-ui-url"]);
                        err.issues.push(CLIError::Field(FieldError::Unknown(temp_cursor.to_string(), suggestion, value.map(|v| v.to_string()))));
                        None
                    }
                };
            if let Some((field_cursor_str, type_info)) = type_info {
                FieldCursor::from(field_cursor_str).set_json_value(&mut object, value.unwrap(), type_info, err, &temp_cursor);
            }
        }
        let mut request: api::Customer = json::value::from_value(object).unwrap();
        let mut call = self.hub.customers().insert(request);
        for parg in opt.values_of("v").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
            let (key, value) = parse_kv_arg(&*parg, err, false);
            match key {
                "customer-auth-token" => {
                    call = call.customer_auth_token(value.unwrap_or(""));
                },
                _ => {
                    let mut found = false;
                    for param in &self.gp {
                        if key == *param {
                            found = true;
                            call = call.param(self.gpm.iter().find(|t| t.0 == key).unwrap_or(&("", key)).1, value.unwrap_or("unset"));
                            break;
                        }
                    }
                    if !found {
                        err.issues.push(CLIError::UnknownParameter(key.to_string(),
                                                                  {let mut v = Vec::new();
                                                                           v.extend(self.gp.iter().map(|v|*v));
                                                                           v.extend(["customer-auth-token"].iter().map(|v|*v));
                                                                           v } ));
                    }
                }
            }
        }
        let protocol = CallType::Standard;
        if dry_run {
            Ok(())
        } else {
            assert!(err.issues.len() == 0);
            for scope in self.opt.values_of("url").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
                call = call.add_scope(scope);
            }
            let mut ostream = match writer_from_opts(opt.value_of("out")) {
                Ok(mut f) => f,
                Err(io_err) => return Err(DoitError::IoError(opt.value_of("out").unwrap_or("-").to_string(), io_err)),
            };
            match match protocol {
                CallType::Standard => call.doit().await,
                _ => unreachable!()
            } {
                Err(api_err) => Err(DoitError::ApiError(api_err)),
                Ok((mut response, output_schema)) => {
                    let mut value = json::value::to_value(&output_schema).expect("serde to work");
                    remove_json_null_values(&mut value);
                    json::to_writer_pretty(&mut ostream, &value).unwrap();
                    ostream.flush().unwrap();
                    Ok(())
                }
            }
        }
    }

    async fn _customers_patch(&self, opt: &ArgMatches<'n>, dry_run: bool, err: &mut InvalidOptionsError)
                                                    -> Result<(), DoitError> {
        
        let mut field_cursor = FieldCursor::default();
        let mut object = json::value::Value::Object(Default::default());
        
        for kvarg in opt.values_of("kv").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
            let last_errc = err.issues.len();
            let (key, value) = parse_kv_arg(&*kvarg, err, false);
            let mut temp_cursor = field_cursor.clone();
            if let Err(field_err) = temp_cursor.set(&*key) {
                err.issues.push(field_err);
            }
            if value.is_none() {
                field_cursor = temp_cursor.clone();
                if err.issues.len() > last_errc {
                    err.issues.remove(last_errc);
                }
                continue;
            }
        
            let type_info: Option<(&'static str, JsonTypeInfo)> =
                match &temp_cursor.to_string()[..] {
                    "alternate-email" => Some(("alternateEmail", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "customer-domain" => Some(("customerDomain", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "customer-domain-verified" => Some(("customerDomainVerified", JsonTypeInfo { jtype: JsonType::Boolean, ctype: ComplexType::Pod })),
                    "customer-id" => Some(("customerId", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "kind" => Some(("kind", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "phone-number" => Some(("phoneNumber", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "postal-address.address-line1" => Some(("postalAddress.addressLine1", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "postal-address.address-line2" => Some(("postalAddress.addressLine2", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "postal-address.address-line3" => Some(("postalAddress.addressLine3", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "postal-address.contact-name" => Some(("postalAddress.contactName", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "postal-address.country-code" => Some(("postalAddress.countryCode", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "postal-address.kind" => Some(("postalAddress.kind", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "postal-address.locality" => Some(("postalAddress.locality", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "postal-address.organization-name" => Some(("postalAddress.organizationName", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "postal-address.postal-code" => Some(("postalAddress.postalCode", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "postal-address.region" => Some(("postalAddress.region", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "resource-ui-url" => Some(("resourceUiUrl", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    _ => {
                        let suggestion = FieldCursor::did_you_mean(key, &vec!["address-line1", "address-line2", "address-line3", "alternate-email", "contact-name", "country-code", "customer-domain", "customer-domain-verified", "customer-id", "kind", "locality", "organization-name", "phone-number", "postal-address", "postal-code", "region", "resource-ui-url"]);
                        err.issues.push(CLIError::Field(FieldError::Unknown(temp_cursor.to_string(), suggestion, value.map(|v| v.to_string()))));
                        None
                    }
                };
            if let Some((field_cursor_str, type_info)) = type_info {
                FieldCursor::from(field_cursor_str).set_json_value(&mut object, value.unwrap(), type_info, err, &temp_cursor);
            }
        }
        let mut request: api::Customer = json::value::from_value(object).unwrap();
        let mut call = self.hub.customers().patch(request, opt.value_of("customer-id").unwrap_or(""));
        for parg in opt.values_of("v").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
            let (key, value) = parse_kv_arg(&*parg, err, false);
            match key {
                _ => {
                    let mut found = false;
                    for param in &self.gp {
                        if key == *param {
                            found = true;
                            call = call.param(self.gpm.iter().find(|t| t.0 == key).unwrap_or(&("", key)).1, value.unwrap_or("unset"));
                            break;
                        }
                    }
                    if !found {
                        err.issues.push(CLIError::UnknownParameter(key.to_string(),
                                                                  {let mut v = Vec::new();
                                                                           v.extend(self.gp.iter().map(|v|*v));
                                                                           v } ));
                    }
                }
            }
        }
        let protocol = CallType::Standard;
        if dry_run {
            Ok(())
        } else {
            assert!(err.issues.len() == 0);
            for scope in self.opt.values_of("url").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
                call = call.add_scope(scope);
            }
            let mut ostream = match writer_from_opts(opt.value_of("out")) {
                Ok(mut f) => f,
                Err(io_err) => return Err(DoitError::IoError(opt.value_of("out").unwrap_or("-").to_string(), io_err)),
            };
            match match protocol {
                CallType::Standard => call.doit().await,
                _ => unreachable!()
            } {
                Err(api_err) => Err(DoitError::ApiError(api_err)),
                Ok((mut response, output_schema)) => {
                    let mut value = json::value::to_value(&output_schema).expect("serde to work");
                    remove_json_null_values(&mut value);
                    json::to_writer_pretty(&mut ostream, &value).unwrap();
                    ostream.flush().unwrap();
                    Ok(())
                }
            }
        }
    }

    async fn _customers_update(&self, opt: &ArgMatches<'n>, dry_run: bool, err: &mut InvalidOptionsError)
                                                    -> Result<(), DoitError> {
        
        let mut field_cursor = FieldCursor::default();
        let mut object = json::value::Value::Object(Default::default());
        
        for kvarg in opt.values_of("kv").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
            let last_errc = err.issues.len();
            let (key, value) = parse_kv_arg(&*kvarg, err, false);
            let mut temp_cursor = field_cursor.clone();
            if let Err(field_err) = temp_cursor.set(&*key) {
                err.issues.push(field_err);
            }
            if value.is_none() {
                field_cursor = temp_cursor.clone();
                if err.issues.len() > last_errc {
                    err.issues.remove(last_errc);
                }
                continue;
            }
        
            let type_info: Option<(&'static str, JsonTypeInfo)> =
                match &temp_cursor.to_string()[..] {
                    "alternate-email" => Some(("alternateEmail", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "customer-domain" => Some(("customerDomain", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "customer-domain-verified" => Some(("customerDomainVerified", JsonTypeInfo { jtype: JsonType::Boolean, ctype: ComplexType::Pod })),
                    "customer-id" => Some(("customerId", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "kind" => Some(("kind", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "phone-number" => Some(("phoneNumber", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "postal-address.address-line1" => Some(("postalAddress.addressLine1", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "postal-address.address-line2" => Some(("postalAddress.addressLine2", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "postal-address.address-line3" => Some(("postalAddress.addressLine3", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "postal-address.contact-name" => Some(("postalAddress.contactName", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "postal-address.country-code" => Some(("postalAddress.countryCode", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "postal-address.kind" => Some(("postalAddress.kind", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "postal-address.locality" => Some(("postalAddress.locality", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "postal-address.organization-name" => Some(("postalAddress.organizationName", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "postal-address.postal-code" => Some(("postalAddress.postalCode", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "postal-address.region" => Some(("postalAddress.region", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "resource-ui-url" => Some(("resourceUiUrl", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    _ => {
                        let suggestion = FieldCursor::did_you_mean(key, &vec!["address-line1", "address-line2", "address-line3", "alternate-email", "contact-name", "country-code", "customer-domain", "customer-domain-verified", "customer-id", "kind", "locality", "organization-name", "phone-number", "postal-address", "postal-code", "region", "resource-ui-url"]);
                        err.issues.push(CLIError::Field(FieldError::Unknown(temp_cursor.to_string(), suggestion, value.map(|v| v.to_string()))));
                        None
                    }
                };
            if let Some((field_cursor_str, type_info)) = type_info {
                FieldCursor::from(field_cursor_str).set_json_value(&mut object, value.unwrap(), type_info, err, &temp_cursor);
            }
        }
        let mut request: api::Customer = json::value::from_value(object).unwrap();
        let mut call = self.hub.customers().update(request, opt.value_of("customer-id").unwrap_or(""));
        for parg in opt.values_of("v").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
            let (key, value) = parse_kv_arg(&*parg, err, false);
            match key {
                _ => {
                    let mut found = false;
                    for param in &self.gp {
                        if key == *param {
                            found = true;
                            call = call.param(self.gpm.iter().find(|t| t.0 == key).unwrap_or(&("", key)).1, value.unwrap_or("unset"));
                            break;
                        }
                    }
                    if !found {
                        err.issues.push(CLIError::UnknownParameter(key.to_string(),
                                                                  {let mut v = Vec::new();
                                                                           v.extend(self.gp.iter().map(|v|*v));
                                                                           v } ));
                    }
                }
            }
        }
        let protocol = CallType::Standard;
        if dry_run {
            Ok(())
        } else {
            assert!(err.issues.len() == 0);
            for scope in self.opt.values_of("url").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
                call = call.add_scope(scope);
            }
            let mut ostream = match writer_from_opts(opt.value_of("out")) {
                Ok(mut f) => f,
                Err(io_err) => return Err(DoitError::IoError(opt.value_of("out").unwrap_or("-").to_string(), io_err)),
            };
            match match protocol {
                CallType::Standard => call.doit().await,
                _ => unreachable!()
            } {
                Err(api_err) => Err(DoitError::ApiError(api_err)),
                Ok((mut response, output_schema)) => {
                    let mut value = json::value::to_value(&output_schema).expect("serde to work");
                    remove_json_null_values(&mut value);
                    json::to_writer_pretty(&mut ostream, &value).unwrap();
                    ostream.flush().unwrap();
                    Ok(())
                }
            }
        }
    }

    async fn _subscriptions_activate(&self, opt: &ArgMatches<'n>, dry_run: bool, err: &mut InvalidOptionsError)
                                                    -> Result<(), DoitError> {
        let mut call = self.hub.subscriptions().activate(opt.value_of("customer-id").unwrap_or(""), opt.value_of("subscription-id").unwrap_or(""));
        for parg in opt.values_of("v").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
            let (key, value) = parse_kv_arg(&*parg, err, false);
            match key {
                _ => {
                    let mut found = false;
                    for param in &self.gp {
                        if key == *param {
                            found = true;
                            call = call.param(self.gpm.iter().find(|t| t.0 == key).unwrap_or(&("", key)).1, value.unwrap_or("unset"));
                            break;
                        }
                    }
                    if !found {
                        err.issues.push(CLIError::UnknownParameter(key.to_string(),
                                                                  {let mut v = Vec::new();
                                                                           v.extend(self.gp.iter().map(|v|*v));
                                                                           v } ));
                    }
                }
            }
        }
        let protocol = CallType::Standard;
        if dry_run {
            Ok(())
        } else {
            assert!(err.issues.len() == 0);
            for scope in self.opt.values_of("url").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
                call = call.add_scope(scope);
            }
            let mut ostream = match writer_from_opts(opt.value_of("out")) {
                Ok(mut f) => f,
                Err(io_err) => return Err(DoitError::IoError(opt.value_of("out").unwrap_or("-").to_string(), io_err)),
            };
            match match protocol {
                CallType::Standard => call.doit().await,
                _ => unreachable!()
            } {
                Err(api_err) => Err(DoitError::ApiError(api_err)),
                Ok((mut response, output_schema)) => {
                    let mut value = json::value::to_value(&output_schema).expect("serde to work");
                    remove_json_null_values(&mut value);
                    json::to_writer_pretty(&mut ostream, &value).unwrap();
                    ostream.flush().unwrap();
                    Ok(())
                }
            }
        }
    }

    async fn _subscriptions_change_plan(&self, opt: &ArgMatches<'n>, dry_run: bool, err: &mut InvalidOptionsError)
                                                    -> Result<(), DoitError> {
        
        let mut field_cursor = FieldCursor::default();
        let mut object = json::value::Value::Object(Default::default());
        
        for kvarg in opt.values_of("kv").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
            let last_errc = err.issues.len();
            let (key, value) = parse_kv_arg(&*kvarg, err, false);
            let mut temp_cursor = field_cursor.clone();
            if let Err(field_err) = temp_cursor.set(&*key) {
                err.issues.push(field_err);
            }
            if value.is_none() {
                field_cursor = temp_cursor.clone();
                if err.issues.len() > last_errc {
                    err.issues.remove(last_errc);
                }
                continue;
            }
        
            let type_info: Option<(&'static str, JsonTypeInfo)> =
                match &temp_cursor.to_string()[..] {
                    "deal-code" => Some(("dealCode", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "kind" => Some(("kind", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "plan-name" => Some(("planName", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "purchase-order-id" => Some(("purchaseOrderId", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "seats.kind" => Some(("seats.kind", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "seats.licensed-number-of-seats" => Some(("seats.licensedNumberOfSeats", JsonTypeInfo { jtype: JsonType::Int, ctype: ComplexType::Pod })),
                    "seats.maximum-number-of-seats" => Some(("seats.maximumNumberOfSeats", JsonTypeInfo { jtype: JsonType::Int, ctype: ComplexType::Pod })),
                    "seats.number-of-seats" => Some(("seats.numberOfSeats", JsonTypeInfo { jtype: JsonType::Int, ctype: ComplexType::Pod })),
                    _ => {
                        let suggestion = FieldCursor::did_you_mean(key, &vec!["deal-code", "kind", "licensed-number-of-seats", "maximum-number-of-seats", "number-of-seats", "plan-name", "purchase-order-id", "seats"]);
                        err.issues.push(CLIError::Field(FieldError::Unknown(temp_cursor.to_string(), suggestion, value.map(|v| v.to_string()))));
                        None
                    }
                };
            if let Some((field_cursor_str, type_info)) = type_info {
                FieldCursor::from(field_cursor_str).set_json_value(&mut object, value.unwrap(), type_info, err, &temp_cursor);
            }
        }
        let mut request: api::ChangePlanRequest = json::value::from_value(object).unwrap();
        let mut call = self.hub.subscriptions().change_plan(request, opt.value_of("customer-id").unwrap_or(""), opt.value_of("subscription-id").unwrap_or(""));
        for parg in opt.values_of("v").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
            let (key, value) = parse_kv_arg(&*parg, err, false);
            match key {
                _ => {
                    let mut found = false;
                    for param in &self.gp {
                        if key == *param {
                            found = true;
                            call = call.param(self.gpm.iter().find(|t| t.0 == key).unwrap_or(&("", key)).1, value.unwrap_or("unset"));
                            break;
                        }
                    }
                    if !found {
                        err.issues.push(CLIError::UnknownParameter(key.to_string(),
                                                                  {let mut v = Vec::new();
                                                                           v.extend(self.gp.iter().map(|v|*v));
                                                                           v } ));
                    }
                }
            }
        }
        let protocol = CallType::Standard;
        if dry_run {
            Ok(())
        } else {
            assert!(err.issues.len() == 0);
            for scope in self.opt.values_of("url").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
                call = call.add_scope(scope);
            }
            let mut ostream = match writer_from_opts(opt.value_of("out")) {
                Ok(mut f) => f,
                Err(io_err) => return Err(DoitError::IoError(opt.value_of("out").unwrap_or("-").to_string(), io_err)),
            };
            match match protocol {
                CallType::Standard => call.doit().await,
                _ => unreachable!()
            } {
                Err(api_err) => Err(DoitError::ApiError(api_err)),
                Ok((mut response, output_schema)) => {
                    let mut value = json::value::to_value(&output_schema).expect("serde to work");
                    remove_json_null_values(&mut value);
                    json::to_writer_pretty(&mut ostream, &value).unwrap();
                    ostream.flush().unwrap();
                    Ok(())
                }
            }
        }
    }

    async fn _subscriptions_change_renewal_settings(&self, opt: &ArgMatches<'n>, dry_run: bool, err: &mut InvalidOptionsError)
                                                    -> Result<(), DoitError> {
        
        let mut field_cursor = FieldCursor::default();
        let mut object = json::value::Value::Object(Default::default());
        
        for kvarg in opt.values_of("kv").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
            let last_errc = err.issues.len();
            let (key, value) = parse_kv_arg(&*kvarg, err, false);
            let mut temp_cursor = field_cursor.clone();
            if let Err(field_err) = temp_cursor.set(&*key) {
                err.issues.push(field_err);
            }
            if value.is_none() {
                field_cursor = temp_cursor.clone();
                if err.issues.len() > last_errc {
                    err.issues.remove(last_errc);
                }
                continue;
            }
        
            let type_info: Option<(&'static str, JsonTypeInfo)> =
                match &temp_cursor.to_string()[..] {
                    "kind" => Some(("kind", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "renewal-type" => Some(("renewalType", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    _ => {
                        let suggestion = FieldCursor::did_you_mean(key, &vec!["kind", "renewal-type"]);
                        err.issues.push(CLIError::Field(FieldError::Unknown(temp_cursor.to_string(), suggestion, value.map(|v| v.to_string()))));
                        None
                    }
                };
            if let Some((field_cursor_str, type_info)) = type_info {
                FieldCursor::from(field_cursor_str).set_json_value(&mut object, value.unwrap(), type_info, err, &temp_cursor);
            }
        }
        let mut request: api::RenewalSettings = json::value::from_value(object).unwrap();
        let mut call = self.hub.subscriptions().change_renewal_settings(request, opt.value_of("customer-id").unwrap_or(""), opt.value_of("subscription-id").unwrap_or(""));
        for parg in opt.values_of("v").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
            let (key, value) = parse_kv_arg(&*parg, err, false);
            match key {
                _ => {
                    let mut found = false;
                    for param in &self.gp {
                        if key == *param {
                            found = true;
                            call = call.param(self.gpm.iter().find(|t| t.0 == key).unwrap_or(&("", key)).1, value.unwrap_or("unset"));
                            break;
                        }
                    }
                    if !found {
                        err.issues.push(CLIError::UnknownParameter(key.to_string(),
                                                                  {let mut v = Vec::new();
                                                                           v.extend(self.gp.iter().map(|v|*v));
                                                                           v } ));
                    }
                }
            }
        }
        let protocol = CallType::Standard;
        if dry_run {
            Ok(())
        } else {
            assert!(err.issues.len() == 0);
            for scope in self.opt.values_of("url").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
                call = call.add_scope(scope);
            }
            let mut ostream = match writer_from_opts(opt.value_of("out")) {
                Ok(mut f) => f,
                Err(io_err) => return Err(DoitError::IoError(opt.value_of("out").unwrap_or("-").to_string(), io_err)),
            };
            match match protocol {
                CallType::Standard => call.doit().await,
                _ => unreachable!()
            } {
                Err(api_err) => Err(DoitError::ApiError(api_err)),
                Ok((mut response, output_schema)) => {
                    let mut value = json::value::to_value(&output_schema).expect("serde to work");
                    remove_json_null_values(&mut value);
                    json::to_writer_pretty(&mut ostream, &value).unwrap();
                    ostream.flush().unwrap();
                    Ok(())
                }
            }
        }
    }

    async fn _subscriptions_change_seats(&self, opt: &ArgMatches<'n>, dry_run: bool, err: &mut InvalidOptionsError)
                                                    -> Result<(), DoitError> {
        
        let mut field_cursor = FieldCursor::default();
        let mut object = json::value::Value::Object(Default::default());
        
        for kvarg in opt.values_of("kv").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
            let last_errc = err.issues.len();
            let (key, value) = parse_kv_arg(&*kvarg, err, false);
            let mut temp_cursor = field_cursor.clone();
            if let Err(field_err) = temp_cursor.set(&*key) {
                err.issues.push(field_err);
            }
            if value.is_none() {
                field_cursor = temp_cursor.clone();
                if err.issues.len() > last_errc {
                    err.issues.remove(last_errc);
                }
                continue;
            }
        
            let type_info: Option<(&'static str, JsonTypeInfo)> =
                match &temp_cursor.to_string()[..] {
                    "kind" => Some(("kind", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "licensed-number-of-seats" => Some(("licensedNumberOfSeats", JsonTypeInfo { jtype: JsonType::Int, ctype: ComplexType::Pod })),
                    "maximum-number-of-seats" => Some(("maximumNumberOfSeats", JsonTypeInfo { jtype: JsonType::Int, ctype: ComplexType::Pod })),
                    "number-of-seats" => Some(("numberOfSeats", JsonTypeInfo { jtype: JsonType::Int, ctype: ComplexType::Pod })),
                    _ => {
                        let suggestion = FieldCursor::did_you_mean(key, &vec!["kind", "licensed-number-of-seats", "maximum-number-of-seats", "number-of-seats"]);
                        err.issues.push(CLIError::Field(FieldError::Unknown(temp_cursor.to_string(), suggestion, value.map(|v| v.to_string()))));
                        None
                    }
                };
            if let Some((field_cursor_str, type_info)) = type_info {
                FieldCursor::from(field_cursor_str).set_json_value(&mut object, value.unwrap(), type_info, err, &temp_cursor);
            }
        }
        let mut request: api::Seats = json::value::from_value(object).unwrap();
        let mut call = self.hub.subscriptions().change_seats(request, opt.value_of("customer-id").unwrap_or(""), opt.value_of("subscription-id").unwrap_or(""));
        for parg in opt.values_of("v").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
            let (key, value) = parse_kv_arg(&*parg, err, false);
            match key {
                _ => {
                    let mut found = false;
                    for param in &self.gp {
                        if key == *param {
                            found = true;
                            call = call.param(self.gpm.iter().find(|t| t.0 == key).unwrap_or(&("", key)).1, value.unwrap_or("unset"));
                            break;
                        }
                    }
                    if !found {
                        err.issues.push(CLIError::UnknownParameter(key.to_string(),
                                                                  {let mut v = Vec::new();
                                                                           v.extend(self.gp.iter().map(|v|*v));
                                                                           v } ));
                    }
                }
            }
        }
        let protocol = CallType::Standard;
        if dry_run {
            Ok(())
        } else {
            assert!(err.issues.len() == 0);
            for scope in self.opt.values_of("url").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
                call = call.add_scope(scope);
            }
            let mut ostream = match writer_from_opts(opt.value_of("out")) {
                Ok(mut f) => f,
                Err(io_err) => return Err(DoitError::IoError(opt.value_of("out").unwrap_or("-").to_string(), io_err)),
            };
            match match protocol {
                CallType::Standard => call.doit().await,
                _ => unreachable!()
            } {
                Err(api_err) => Err(DoitError::ApiError(api_err)),
                Ok((mut response, output_schema)) => {
                    let mut value = json::value::to_value(&output_schema).expect("serde to work");
                    remove_json_null_values(&mut value);
                    json::to_writer_pretty(&mut ostream, &value).unwrap();
                    ostream.flush().unwrap();
                    Ok(())
                }
            }
        }
    }

    async fn _subscriptions_delete(&self, opt: &ArgMatches<'n>, dry_run: bool, err: &mut InvalidOptionsError)
                                                    -> Result<(), DoitError> {
        let mut call = self.hub.subscriptions().delete(opt.value_of("customer-id").unwrap_or(""), opt.value_of("subscription-id").unwrap_or(""), opt.value_of("deletion-type").unwrap_or(""));
        for parg in opt.values_of("v").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
            let (key, value) = parse_kv_arg(&*parg, err, false);
            match key {
                _ => {
                    let mut found = false;
                    for param in &self.gp {
                        if key == *param {
                            found = true;
                            call = call.param(self.gpm.iter().find(|t| t.0 == key).unwrap_or(&("", key)).1, value.unwrap_or("unset"));
                            break;
                        }
                    }
                    if !found {
                        err.issues.push(CLIError::UnknownParameter(key.to_string(),
                                                                  {let mut v = Vec::new();
                                                                           v.extend(self.gp.iter().map(|v|*v));
                                                                           v } ));
                    }
                }
            }
        }
        let protocol = CallType::Standard;
        if dry_run {
            Ok(())
        } else {
            assert!(err.issues.len() == 0);
            for scope in self.opt.values_of("url").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
                call = call.add_scope(scope);
            }
            match match protocol {
                CallType::Standard => call.doit().await,
                _ => unreachable!()
            } {
                Err(api_err) => Err(DoitError::ApiError(api_err)),
                Ok(mut response) => {
                    Ok(())
                }
            }
        }
    }

    async fn _subscriptions_get(&self, opt: &ArgMatches<'n>, dry_run: bool, err: &mut InvalidOptionsError)
                                                    -> Result<(), DoitError> {
        let mut call = self.hub.subscriptions().get(opt.value_of("customer-id").unwrap_or(""), opt.value_of("subscription-id").unwrap_or(""));
        for parg in opt.values_of("v").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
            let (key, value) = parse_kv_arg(&*parg, err, false);
            match key {
                _ => {
                    let mut found = false;
                    for param in &self.gp {
                        if key == *param {
                            found = true;
                            call = call.param(self.gpm.iter().find(|t| t.0 == key).unwrap_or(&("", key)).1, value.unwrap_or("unset"));
                            break;
                        }
                    }
                    if !found {
                        err.issues.push(CLIError::UnknownParameter(key.to_string(),
                                                                  {let mut v = Vec::new();
                                                                           v.extend(self.gp.iter().map(|v|*v));
                                                                           v } ));
                    }
                }
            }
        }
        let protocol = CallType::Standard;
        if dry_run {
            Ok(())
        } else {
            assert!(err.issues.len() == 0);
            for scope in self.opt.values_of("url").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
                call = call.add_scope(scope);
            }
            let mut ostream = match writer_from_opts(opt.value_of("out")) {
                Ok(mut f) => f,
                Err(io_err) => return Err(DoitError::IoError(opt.value_of("out").unwrap_or("-").to_string(), io_err)),
            };
            match match protocol {
                CallType::Standard => call.doit().await,
                _ => unreachable!()
            } {
                Err(api_err) => Err(DoitError::ApiError(api_err)),
                Ok((mut response, output_schema)) => {
                    let mut value = json::value::to_value(&output_schema).expect("serde to work");
                    remove_json_null_values(&mut value);
                    json::to_writer_pretty(&mut ostream, &value).unwrap();
                    ostream.flush().unwrap();
                    Ok(())
                }
            }
        }
    }

    async fn _subscriptions_insert(&self, opt: &ArgMatches<'n>, dry_run: bool, err: &mut InvalidOptionsError)
                                                    -> Result<(), DoitError> {
        
        let mut field_cursor = FieldCursor::default();
        let mut object = json::value::Value::Object(Default::default());
        
        for kvarg in opt.values_of("kv").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
            let last_errc = err.issues.len();
            let (key, value) = parse_kv_arg(&*kvarg, err, false);
            let mut temp_cursor = field_cursor.clone();
            if let Err(field_err) = temp_cursor.set(&*key) {
                err.issues.push(field_err);
            }
            if value.is_none() {
                field_cursor = temp_cursor.clone();
                if err.issues.len() > last_errc {
                    err.issues.remove(last_errc);
                }
                continue;
            }
        
            let type_info: Option<(&'static str, JsonTypeInfo)> =
                match &temp_cursor.to_string()[..] {
                    "billing-method" => Some(("billingMethod", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "creation-time" => Some(("creationTime", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "customer-domain" => Some(("customerDomain", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "customer-id" => Some(("customerId", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "deal-code" => Some(("dealCode", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "kind" => Some(("kind", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "plan.commitment-interval.end-time" => Some(("plan.commitmentInterval.endTime", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "plan.commitment-interval.start-time" => Some(("plan.commitmentInterval.startTime", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "plan.is-commitment-plan" => Some(("plan.isCommitmentPlan", JsonTypeInfo { jtype: JsonType::Boolean, ctype: ComplexType::Pod })),
                    "plan.plan-name" => Some(("plan.planName", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "purchase-order-id" => Some(("purchaseOrderId", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "renewal-settings.kind" => Some(("renewalSettings.kind", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "renewal-settings.renewal-type" => Some(("renewalSettings.renewalType", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "resource-ui-url" => Some(("resourceUiUrl", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "seats.kind" => Some(("seats.kind", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "seats.licensed-number-of-seats" => Some(("seats.licensedNumberOfSeats", JsonTypeInfo { jtype: JsonType::Int, ctype: ComplexType::Pod })),
                    "seats.maximum-number-of-seats" => Some(("seats.maximumNumberOfSeats", JsonTypeInfo { jtype: JsonType::Int, ctype: ComplexType::Pod })),
                    "seats.number-of-seats" => Some(("seats.numberOfSeats", JsonTypeInfo { jtype: JsonType::Int, ctype: ComplexType::Pod })),
                    "sku-id" => Some(("skuId", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "status" => Some(("status", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "subscription-id" => Some(("subscriptionId", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "suspension-reasons" => Some(("suspensionReasons", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Vec })),
                    "transfer-info.minimum-transferable-seats" => Some(("transferInfo.minimumTransferableSeats", JsonTypeInfo { jtype: JsonType::Int, ctype: ComplexType::Pod })),
                    "transfer-info.transferability-expiration-time" => Some(("transferInfo.transferabilityExpirationTime", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    "trial-settings.is-in-trial" => Some(("trialSettings.isInTrial", JsonTypeInfo { jtype: JsonType::Boolean, ctype: ComplexType::Pod })),
                    "trial-settings.trial-end-time" => Some(("trialSettings.trialEndTime", JsonTypeInfo { jtype: JsonType::String, ctype: ComplexType::Pod })),
                    _ => {
                        let suggestion = FieldCursor::did_you_mean(key, &vec!["billing-method", "commitment-interval", "creation-time", "customer-domain", "customer-id", "deal-code", "end-time", "is-commitment-plan", "is-in-trial", "kind", "licensed-number-of-seats", "maximum-number-of-seats", "minimum-transferable-seats", "number-of-seats", "plan", "plan-name", "purchase-order-id", "renewal-settings", "renewal-type", "resource-ui-url", "seats", "sku-id", "start-time", "status", "subscription-id", "suspension-reasons", "transfer-info", "transferability-expiration-time", "trial-end-time", "trial-settings"]);
                        err.issues.push(CLIError::Field(FieldError::Unknown(temp_cursor.to_string(), suggestion, value.map(|v| v.to_string()))));
                        None
                    }
                };
            if let Some((field_cursor_str, type_info)) = type_info {
                FieldCursor::from(field_cursor_str).set_json_value(&mut object, value.unwrap(), type_info, err, &temp_cursor);
            }
        }
        let mut request: api::Subscription = json::value::from_value(object).unwrap();
        let mut call = self.hub.subscriptions().insert(request, opt.value_of("customer-id").unwrap_or(""));
        for parg in opt.values_of("v").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
            let (key, value) = parse_kv_arg(&*parg, err, false);
            match key {
                "customer-auth-token" => {
                    call = call.customer_auth_token(value.unwrap_or(""));
                },
                _ => {
                    let mut found = false;
                    for param in &self.gp {
                        if key == *param {
                            found = true;
                            call = call.param(self.gpm.iter().find(|t| t.0 == key).unwrap_or(&("", key)).1, value.unwrap_or("unset"));
                            break;
                        }
                    }
                    if !found {
                        err.issues.push(CLIError::UnknownParameter(key.to_string(),
                                                                  {let mut v = Vec::new();
                                                                           v.extend(self.gp.iter().map(|v|*v));
                                                                           v.extend(["customer-auth-token"].iter().map(|v|*v));
                                                                           v } ));
                    }
                }
            }
        }
        let protocol = CallType::Standard;
        if dry_run {
            Ok(())
        } else {
            assert!(err.issues.len() == 0);
            for scope in self.opt.values_of("url").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
                call = call.add_scope(scope);
            }
            let mut ostream = match writer_from_opts(opt.value_of("out")) {
                Ok(mut f) => f,
                Err(io_err) => return Err(DoitError::IoError(opt.value_of("out").unwrap_or("-").to_string(), io_err)),
            };
            match match protocol {
                CallType::Standard => call.doit().await,
                _ => unreachable!()
            } {
                Err(api_err) => Err(DoitError::ApiError(api_err)),
                Ok((mut response, output_schema)) => {
                    let mut value = json::value::to_value(&output_schema).expect("serde to work");
                    remove_json_null_values(&mut value);
                    json::to_writer_pretty(&mut ostream, &value).unwrap();
                    ostream.flush().unwrap();
                    Ok(())
                }
            }
        }
    }

    async fn _subscriptions_list(&self, opt: &ArgMatches<'n>, dry_run: bool, err: &mut InvalidOptionsError)
                                                    -> Result<(), DoitError> {
        let mut call = self.hub.subscriptions().list();
        for parg in opt.values_of("v").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
            let (key, value) = parse_kv_arg(&*parg, err, false);
            match key {
                "page-token" => {
                    call = call.page_token(value.unwrap_or(""));
                },
                "max-results" => {
                    call = call.max_results(arg_from_str(value.unwrap_or("-0"), err, "max-results", "integer"));
                },
                "customer-name-prefix" => {
                    call = call.customer_name_prefix(value.unwrap_or(""));
                },
                "customer-id" => {
                    call = call.customer_id(value.unwrap_or(""));
                },
                "customer-auth-token" => {
                    call = call.customer_auth_token(value.unwrap_or(""));
                },
                _ => {
                    let mut found = false;
                    for param in &self.gp {
                        if key == *param {
                            found = true;
                            call = call.param(self.gpm.iter().find(|t| t.0 == key).unwrap_or(&("", key)).1, value.unwrap_or("unset"));
                            break;
                        }
                    }
                    if !found {
                        err.issues.push(CLIError::UnknownParameter(key.to_string(),
                                                                  {let mut v = Vec::new();
                                                                           v.extend(self.gp.iter().map(|v|*v));
                                                                           v.extend(["customer-auth-token", "customer-id", "customer-name-prefix", "max-results", "page-token"].iter().map(|v|*v));
                                                                           v } ));
                    }
                }
            }
        }
        let protocol = CallType::Standard;
        if dry_run {
            Ok(())
        } else {
            assert!(err.issues.len() == 0);
            for scope in self.opt.values_of("url").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
                call = call.add_scope(scope);
            }
            let mut ostream = match writer_from_opts(opt.value_of("out")) {
                Ok(mut f) => f,
                Err(io_err) => return Err(DoitError::IoError(opt.value_of("out").unwrap_or("-").to_string(), io_err)),
            };
            match match protocol {
                CallType::Standard => call.doit().await,
                _ => unreachable!()
            } {
                Err(api_err) => Err(DoitError::ApiError(api_err)),
                Ok((mut response, output_schema)) => {
                    let mut value = json::value::to_value(&output_schema).expect("serde to work");
                    remove_json_null_values(&mut value);
                    json::to_writer_pretty(&mut ostream, &value).unwrap();
                    ostream.flush().unwrap();
                    Ok(())
                }
            }
        }
    }

    async fn _subscriptions_start_paid_service(&self, opt: &ArgMatches<'n>, dry_run: bool, err: &mut InvalidOptionsError)
                                                    -> Result<(), DoitError> {
        let mut call = self.hub.subscriptions().start_paid_service(opt.value_of("customer-id").unwrap_or(""), opt.value_of("subscription-id").unwrap_or(""));
        for parg in opt.values_of("v").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
            let (key, value) = parse_kv_arg(&*parg, err, false);
            match key {
                _ => {
                    let mut found = false;
                    for param in &self.gp {
                        if key == *param {
                            found = true;
                            call = call.param(self.gpm.iter().find(|t| t.0 == key).unwrap_or(&("", key)).1, value.unwrap_or("unset"));
                            break;
                        }
                    }
                    if !found {
                        err.issues.push(CLIError::UnknownParameter(key.to_string(),
                                                                  {let mut v = Vec::new();
                                                                           v.extend(self.gp.iter().map(|v|*v));
                                                                           v } ));
                    }
                }
            }
        }
        let protocol = CallType::Standard;
        if dry_run {
            Ok(())
        } else {
            assert!(err.issues.len() == 0);
            for scope in self.opt.values_of("url").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
                call = call.add_scope(scope);
            }
            let mut ostream = match writer_from_opts(opt.value_of("out")) {
                Ok(mut f) => f,
                Err(io_err) => return Err(DoitError::IoError(opt.value_of("out").unwrap_or("-").to_string(), io_err)),
            };
            match match protocol {
                CallType::Standard => call.doit().await,
                _ => unreachable!()
            } {
                Err(api_err) => Err(DoitError::ApiError(api_err)),
                Ok((mut response, output_schema)) => {
                    let mut value = json::value::to_value(&output_schema).expect("serde to work");
                    remove_json_null_values(&mut value);
                    json::to_writer_pretty(&mut ostream, &value).unwrap();
                    ostream.flush().unwrap();
                    Ok(())
                }
            }
        }
    }

    async fn _subscriptions_suspend(&self, opt: &ArgMatches<'n>, dry_run: bool, err: &mut InvalidOptionsError)
                                                    -> Result<(), DoitError> {
        let mut call = self.hub.subscriptions().suspend(opt.value_of("customer-id").unwrap_or(""), opt.value_of("subscription-id").unwrap_or(""));
        for parg in opt.values_of("v").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
            let (key, value) = parse_kv_arg(&*parg, err, false);
            match key {
                _ => {
                    let mut found = false;
                    for param in &self.gp {
                        if key == *param {
                            found = true;
                            call = call.param(self.gpm.iter().find(|t| t.0 == key).unwrap_or(&("", key)).1, value.unwrap_or("unset"));
                            break;
                        }
                    }
                    if !found {
                        err.issues.push(CLIError::UnknownParameter(key.to_string(),
                                                                  {let mut v = Vec::new();
                                                                           v.extend(self.gp.iter().map(|v|*v));
                                                                           v } ));
                    }
                }
            }
        }
        let protocol = CallType::Standard;
        if dry_run {
            Ok(())
        } else {
            assert!(err.issues.len() == 0);
            for scope in self.opt.values_of("url").map(|i|i.collect()).unwrap_or(Vec::new()).iter() {
                call = call.add_scope(scope);
            }
            let mut ostream = match writer_from_opts(opt.value_of("out")) {
                Ok(mut f) => f,
                Err(io_err) => return Err(DoitError::IoError(opt.value_of("out").unwrap_or("-").to_string(), io_err)),
            };
            match match protocol {
                CallType::Standard => call.doit().await,
                _ => unreachable!()
            } {
                Err(api_err) => Err(DoitError::ApiError(api_err)),
                Ok((mut response, output_schema)) => {
                    let mut value = json::value::to_value(&output_schema).expect("serde to work");
                    remove_json_null_values(&mut value);
                    json::to_writer_pretty(&mut ostream, &value).unwrap();
                    ostream.flush().unwrap();
                    Ok(())
                }
            }
        }
    }

    async fn _doit(&self, dry_run: bool) -> Result<Result<(), DoitError>, Option<InvalidOptionsError>> {
        let mut err = InvalidOptionsError::new();
        let mut call_result: Result<(), DoitError> = Ok(());
        let mut err_opt: Option<InvalidOptionsError> = None;
        match self.opt.subcommand() {
            ("customers", Some(opt)) => {
                match opt.subcommand() {
                    ("get", Some(opt)) => {
                        call_result = self._customers_get(opt, dry_run, &mut err).await;
                    },
                    ("insert", Some(opt)) => {
                        call_result = self._customers_insert(opt, dry_run, &mut err).await;
                    },
                    ("patch", Some(opt)) => {
                        call_result = self._customers_patch(opt, dry_run, &mut err).await;
                    },
                    ("update", Some(opt)) => {
                        call_result = self._customers_update(opt, dry_run, &mut err).await;
                    },
                    _ => {
                        err.issues.push(CLIError::MissingMethodError("customers".to_string()));
                        writeln!(io::stderr(), "{}\n", opt.usage()).ok();
                    }
                }
            },
            ("subscriptions", Some(opt)) => {
                match opt.subcommand() {
                    ("activate", Some(opt)) => {
                        call_result = self._subscriptions_activate(opt, dry_run, &mut err).await;
                    },
                    ("change-plan", Some(opt)) => {
                        call_result = self._subscriptions_change_plan(opt, dry_run, &mut err).await;
                    },
                    ("change-renewal-settings", Some(opt)) => {
                        call_result = self._subscriptions_change_renewal_settings(opt, dry_run, &mut err).await;
                    },
                    ("change-seats", Some(opt)) => {
                        call_result = self._subscriptions_change_seats(opt, dry_run, &mut err).await;
                    },
                    ("delete", Some(opt)) => {
                        call_result = self._subscriptions_delete(opt, dry_run, &mut err).await;
                    },
                    ("get", Some(opt)) => {
                        call_result = self._subscriptions_get(opt, dry_run, &mut err).await;
                    },
                    ("insert", Some(opt)) => {
                        call_result = self._subscriptions_insert(opt, dry_run, &mut err).await;
                    },
                    ("list", Some(opt)) => {
                        call_result = self._subscriptions_list(opt, dry_run, &mut err).await;
                    },
                    ("start-paid-service", Some(opt)) => {
                        call_result = self._subscriptions_start_paid_service(opt, dry_run, &mut err).await;
                    },
                    ("suspend", Some(opt)) => {
                        call_result = self._subscriptions_suspend(opt, dry_run, &mut err).await;
                    },
                    _ => {
                        err.issues.push(CLIError::MissingMethodError("subscriptions".to_string()));
                        writeln!(io::stderr(), "{}\n", opt.usage()).ok();
                    }
                }
            },
            _ => {
                err.issues.push(CLIError::MissingCommandError);
                writeln!(io::stderr(), "{}\n", self.opt.usage()).ok();
            }
        }

        if dry_run {
            if err.issues.len() > 0 {
                err_opt = Some(err);
            }
            Err(err_opt)
        } else {
            Ok(call_result)
        }
    }

    // Please note that this call will fail if any part of the opt can't be handled
    async fn new(opt: ArgMatches<'n>) -> Result<Engine<'n>, InvalidOptionsError> {
        let (config_dir, secret) = {
            let config_dir = match client::assure_config_dir_exists(opt.value_of("folder").unwrap_or("~/.google-service-cli")) {
                Err(e) => return Err(InvalidOptionsError::single(e, 3)),
                Ok(p) => p,
            };

            match client::application_secret_from_directory(&config_dir, "reseller1-sandbox-secret.json",
                                                         "{\"installed\":{\"auth_uri\":\"https://accounts.google.com/o/oauth2/auth\",\"client_secret\":\"hCsslbCUyfehWMmbkG8vTYxG\",\"token_uri\":\"https://accounts.google.com/o/oauth2/token\",\"client_email\":\"\",\"redirect_uris\":[\"urn:ietf:wg:oauth:2.0:oob\",\"oob\"],\"client_x509_cert_url\":\"\",\"client_id\":\"620010449518-9ngf7o4dhs0dka470npqvor6dc5lqb9b.apps.googleusercontent.com\",\"auth_provider_x509_cert_url\":\"https://www.googleapis.com/oauth2/v1/certs\"}}") {
                Ok(secret) => (config_dir, secret),
                Err(e) => return Err(InvalidOptionsError::single(e, 4))
            }
        };

        let auth = yup_oauth2::InstalledFlowAuthenticator::builder(
            secret,
            yup_oauth2::InstalledFlowReturnMethod::HTTPRedirect,
        ).persist_tokens_to_disk(format!("{}/reseller1-sandbox", config_dir)).build().await.unwrap();

        let client = hyper::Client::builder().build(hyper_rustls::HttpsConnector::with_native_roots());
        let engine = Engine {
            opt: opt,
            hub: api::Reseller::new(client, auth),
            gp: vec!["alt", "fields", "key", "oauth-token", "pretty-print", "quota-user", "user-ip"],
            gpm: vec![
                    ("oauth-token", "oauth_token"),
                    ("pretty-print", "prettyPrint"),
                    ("quota-user", "quotaUser"),
                    ("user-ip", "userIp"),
                ]
        };

        match engine._doit(true).await {
            Err(Some(err)) => Err(err),
            Err(None)      => Ok(engine),
            Ok(_)          => unreachable!(),
        }
    }

    async fn doit(&self) -> Result<(), DoitError> {
        match self._doit(false).await {
            Ok(res) => res,
            Err(_) => unreachable!(),
        }
    }
}

#[tokio::main]
async fn main() {
    let mut exit_status = 0i32;
    let arg_data = [
        ("customers", "methods: 'get', 'insert', 'patch' and 'update'", vec![
            ("get",
                    Some(r##"Gets a customer resource if one exists and is owned by the reseller."##),
                    "Details at http://byron.github.io/google-apis-rs/google_reseller1_sandbox_cli/customers_get",
                  vec![
                    (Some(r##"customer-id"##),
                     None,
                     Some(r##"Id of the Customer"##),
                     Some(true),
                     Some(false)),
        
                    (Some(r##"v"##),
                     Some(r##"p"##),
                     Some(r##"Set various optional parameters, matching the key=value form"##),
                     Some(false),
                     Some(true)),
        
                    (Some(r##"out"##),
                     Some(r##"o"##),
                     Some(r##"Specify the file into which to write the program's output"##),
                     Some(false),
                     Some(false)),
                  ]),
            ("insert",
                    Some(r##"Creates a customer resource if one does not already exist."##),
                    "Details at http://byron.github.io/google-apis-rs/google_reseller1_sandbox_cli/customers_insert",
                  vec![
                    (Some(r##"kv"##),
                     Some(r##"r"##),
                     Some(r##"Set various fields of the request structure, matching the key=value form"##),
                     Some(true),
                     Some(true)),
        
                    (Some(r##"v"##),
                     Some(r##"p"##),
                     Some(r##"Set various optional parameters, matching the key=value form"##),
                     Some(false),
                     Some(true)),
        
                    (Some(r##"out"##),
                     Some(r##"o"##),
                     Some(r##"Specify the file into which to write the program's output"##),
                     Some(false),
                     Some(false)),
                  ]),
            ("patch",
                    Some(r##"Update a customer resource if one it exists and is owned by the reseller. This method supports patch semantics."##),
                    "Details at http://byron.github.io/google-apis-rs/google_reseller1_sandbox_cli/customers_patch",
                  vec![
                    (Some(r##"customer-id"##),
                     None,
                     Some(r##"Id of the Customer"##),
                     Some(true),
                     Some(false)),
        
                    (Some(r##"kv"##),
                     Some(r##"r"##),
                     Some(r##"Set various fields of the request structure, matching the key=value form"##),
                     Some(true),
                     Some(true)),
        
                    (Some(r##"v"##),
                     Some(r##"p"##),
                     Some(r##"Set various optional parameters, matching the key=value form"##),
                     Some(false),
                     Some(true)),
        
                    (Some(r##"out"##),
                     Some(r##"o"##),
                     Some(r##"Specify the file into which to write the program's output"##),
                     Some(false),
                     Some(false)),
                  ]),
            ("update",
                    Some(r##"Update a customer resource if one it exists and is owned by the reseller."##),
                    "Details at http://byron.github.io/google-apis-rs/google_reseller1_sandbox_cli/customers_update",
                  vec![
                    (Some(r##"customer-id"##),
                     None,
                     Some(r##"Id of the Customer"##),
                     Some(true),
                     Some(false)),
        
                    (Some(r##"kv"##),
                     Some(r##"r"##),
                     Some(r##"Set various fields of the request structure, matching the key=value form"##),
                     Some(true),
                     Some(true)),
        
                    (Some(r##"v"##),
                     Some(r##"p"##),
                     Some(r##"Set various optional parameters, matching the key=value form"##),
                     Some(false),
                     Some(true)),
        
                    (Some(r##"out"##),
                     Some(r##"o"##),
                     Some(r##"Specify the file into which to write the program's output"##),
                     Some(false),
                     Some(false)),
                  ]),
            ]),
        
        ("subscriptions", "methods: 'activate', 'change-plan', 'change-renewal-settings', 'change-seats', 'delete', 'get', 'insert', 'list', 'start-paid-service' and 'suspend'", vec![
            ("activate",
                    Some(r##"Activates a subscription previously suspended by the reseller"##),
                    "Details at http://byron.github.io/google-apis-rs/google_reseller1_sandbox_cli/subscriptions_activate",
                  vec![
                    (Some(r##"customer-id"##),
                     None,
                     Some(r##"Id of the Customer"##),
                     Some(true),
                     Some(false)),
        
                    (Some(r##"subscription-id"##),
                     None,
                     Some(r##"Id of the subscription, which is unique for a customer"##),
                     Some(true),
                     Some(false)),
        
                    (Some(r##"v"##),
                     Some(r##"p"##),
                     Some(r##"Set various optional parameters, matching the key=value form"##),
                     Some(false),
                     Some(true)),
        
                    (Some(r##"out"##),
                     Some(r##"o"##),
                     Some(r##"Specify the file into which to write the program's output"##),
                     Some(false),
                     Some(false)),
                  ]),
            ("change-plan",
                    Some(r##"Changes the plan of a subscription"##),
                    "Details at http://byron.github.io/google-apis-rs/google_reseller1_sandbox_cli/subscriptions_change-plan",
                  vec![
                    (Some(r##"customer-id"##),
                     None,
                     Some(r##"Id of the Customer"##),
                     Some(true),
                     Some(false)),
        
                    (Some(r##"subscription-id"##),
                     None,
                     Some(r##"Id of the subscription, which is unique for a customer"##),
                     Some(true),
                     Some(false)),
        
                    (Some(r##"kv"##),
                     Some(r##"r"##),
                     Some(r##"Set various fields of the request structure, matching the key=value form"##),
                     Some(true),
                     Some(true)),
        
                    (Some(r##"v"##),
                     Some(r##"p"##),
                     Some(r##"Set various optional parameters, matching the key=value form"##),
                     Some(false),
                     Some(true)),
        
                    (Some(r##"out"##),
                     Some(r##"o"##),
                     Some(r##"Specify the file into which to write the program's output"##),
                     Some(false),
                     Some(false)),
                  ]),
            ("change-renewal-settings",
                    Some(r##"Changes the renewal settings of a subscription"##),
                    "Details at http://byron.github.io/google-apis-rs/google_reseller1_sandbox_cli/subscriptions_change-renewal-settings",
                  vec![
                    (Some(r##"customer-id"##),
                     None,
                     Some(r##"Id of the Customer"##),
                     Some(true),
                     Some(false)),
        
                    (Some(r##"subscription-id"##),
                     None,
                     Some(r##"Id of the subscription, which is unique for a customer"##),
                     Some(true),
                     Some(false)),
        
                    (Some(r##"kv"##),
                     Some(r##"r"##),
                     Some(r##"Set various fields of the request structure, matching the key=value form"##),
                     Some(true),
                     Some(true)),
        
                    (Some(r##"v"##),
                     Some(r##"p"##),
                     Some(r##"Set various optional parameters, matching the key=value form"##),
                     Some(false),
                     Some(true)),
        
                    (Some(r##"out"##),
                     Some(r##"o"##),
                     Some(r##"Specify the file into which to write the program's output"##),
                     Some(false),
                     Some(false)),
                  ]),
            ("change-seats",
                    Some(r##"Changes the seats configuration of a subscription"##),
                    "Details at http://byron.github.io/google-apis-rs/google_reseller1_sandbox_cli/subscriptions_change-seats",
                  vec![
                    (Some(r##"customer-id"##),
                     None,
                     Some(r##"Id of the Customer"##),
                     Some(true),
                     Some(false)),
        
                    (Some(r##"subscription-id"##),
                     None,
                     Some(r##"Id of the subscription, which is unique for a customer"##),
                     Some(true),
                     Some(false)),
        
                    (Some(r##"kv"##),
                     Some(r##"r"##),
                     Some(r##"Set various fields of the request structure, matching the key=value form"##),
                     Some(true),
                     Some(true)),
        
                    (Some(r##"v"##),
                     Some(r##"p"##),
                     Some(r##"Set various optional parameters, matching the key=value form"##),
                     Some(false),
                     Some(true)),
        
                    (Some(r##"out"##),
                     Some(r##"o"##),
                     Some(r##"Specify the file into which to write the program's output"##),
                     Some(false),
                     Some(false)),
                  ]),
            ("delete",
                    Some(r##"Cancels/Downgrades a subscription."##),
                    "Details at http://byron.github.io/google-apis-rs/google_reseller1_sandbox_cli/subscriptions_delete",
                  vec![
                    (Some(r##"customer-id"##),
                     None,
                     Some(r##"Id of the Customer"##),
                     Some(true),
                     Some(false)),
        
                    (Some(r##"subscription-id"##),
                     None,
                     Some(r##"Id of the subscription, which is unique for a customer"##),
                     Some(true),
                     Some(false)),
        
                    (Some(r##"deletion-type"##),
                     None,
                     Some(r##"Whether the subscription is to be fully cancelled or downgraded"##),
                     Some(true),
                     Some(false)),
        
                    (Some(r##"v"##),
                     Some(r##"p"##),
                     Some(r##"Set various optional parameters, matching the key=value form"##),
                     Some(false),
                     Some(true)),
                  ]),
            ("get",
                    Some(r##"Gets a subscription of the customer."##),
                    "Details at http://byron.github.io/google-apis-rs/google_reseller1_sandbox_cli/subscriptions_get",
                  vec![
                    (Some(r##"customer-id"##),
                     None,
                     Some(r##"Id of the Customer"##),
                     Some(true),
                     Some(false)),
        
                    (Some(r##"subscription-id"##),
                     None,
                     Some(r##"Id of the subscription, which is unique for a customer"##),
                     Some(true),
                     Some(false)),
        
                    (Some(r##"v"##),
                     Some(r##"p"##),
                     Some(r##"Set various optional parameters, matching the key=value form"##),
                     Some(false),
                     Some(true)),
        
                    (Some(r##"out"##),
                     Some(r##"o"##),
                     Some(r##"Specify the file into which to write the program's output"##),
                     Some(false),
                     Some(false)),
                  ]),
            ("insert",
                    Some(r##"Creates/Transfers a subscription for the customer."##),
                    "Details at http://byron.github.io/google-apis-rs/google_reseller1_sandbox_cli/subscriptions_insert",
                  vec![
                    (Some(r##"customer-id"##),
                     None,
                     Some(r##"Id of the Customer"##),
                     Some(true),
                     Some(false)),
        
                    (Some(r##"kv"##),
                     Some(r##"r"##),
                     Some(r##"Set various fields of the request structure, matching the key=value form"##),
                     Some(true),
                     Some(true)),
        
                    (Some(r##"v"##),
                     Some(r##"p"##),
                     Some(r##"Set various optional parameters, matching the key=value form"##),
                     Some(false),
                     Some(true)),
        
                    (Some(r##"out"##),
                     Some(r##"o"##),
                     Some(r##"Specify the file into which to write the program's output"##),
                     Some(false),
                     Some(false)),
                  ]),
            ("list",
                    Some(r##"Lists subscriptions of a reseller, optionally filtered by a customer name prefix."##),
                    "Details at http://byron.github.io/google-apis-rs/google_reseller1_sandbox_cli/subscriptions_list",
                  vec![
                    (Some(r##"v"##),
                     Some(r##"p"##),
                     Some(r##"Set various optional parameters, matching the key=value form"##),
                     Some(false),
                     Some(true)),
        
                    (Some(r##"out"##),
                     Some(r##"o"##),
                     Some(r##"Specify the file into which to write the program's output"##),
                     Some(false),
                     Some(false)),
                  ]),
            ("start-paid-service",
                    Some(r##"Starts paid service of a trial subscription"##),
                    "Details at http://byron.github.io/google-apis-rs/google_reseller1_sandbox_cli/subscriptions_start-paid-service",
                  vec![
                    (Some(r##"customer-id"##),
                     None,
                     Some(r##"Id of the Customer"##),
                     Some(true),
                     Some(false)),
        
                    (Some(r##"subscription-id"##),
                     None,
                     Some(r##"Id of the subscription, which is unique for a customer"##),
                     Some(true),
                     Some(false)),
        
                    (Some(r##"v"##),
                     Some(r##"p"##),
                     Some(r##"Set various optional parameters, matching the key=value form"##),
                     Some(false),
                     Some(true)),
        
                    (Some(r##"out"##),
                     Some(r##"o"##),
                     Some(r##"Specify the file into which to write the program's output"##),
                     Some(false),
                     Some(false)),
                  ]),
            ("suspend",
                    Some(r##"Suspends an active subscription"##),
                    "Details at http://byron.github.io/google-apis-rs/google_reseller1_sandbox_cli/subscriptions_suspend",
                  vec![
                    (Some(r##"customer-id"##),
                     None,
                     Some(r##"Id of the Customer"##),
                     Some(true),
                     Some(false)),
        
                    (Some(r##"subscription-id"##),
                     None,
                     Some(r##"Id of the subscription, which is unique for a customer"##),
                     Some(true),
                     Some(false)),
        
                    (Some(r##"v"##),
                     Some(r##"p"##),
                     Some(r##"Set various optional parameters, matching the key=value form"##),
                     Some(false),
                     Some(true)),
        
                    (Some(r##"out"##),
                     Some(r##"o"##),
                     Some(r##"Specify the file into which to write the program's output"##),
                     Some(false),
                     Some(false)),
                  ]),
            ]),
        
    ];
    
    let mut app = App::new("reseller1-sandbox")
           .author("Sebastian Thiel <byronimo@gmail.com>")
           .version("2.0.5+20160329")
           .about("Creates and manages your customers and their subscriptions.")
           .after_help("All documentation details can be found at http://byron.github.io/google-apis-rs/google_reseller1_sandbox_cli")
           .arg(Arg::with_name("url")
                   .long("scope")
                   .help("Specify the authentication a method should be executed in. Each scope requires the user to grant this application permission to use it.If unset, it defaults to the shortest scope url for a particular method.")
                   .multiple(true)
                   .takes_value(true))
           .arg(Arg::with_name("folder")
                   .long("config-dir")
                   .help("A directory into which we will store our persistent data. Defaults to a user-writable directory that we will create during the first invocation.[default: ~/.google-service-cli")
                   .multiple(false)
                   .takes_value(true))
           .arg(Arg::with_name("debug")
                   .long("debug")
                   .help("Debug print all errors")
                   .multiple(false)
                   .takes_value(false));
           
           for &(main_command_name, about, ref subcommands) in arg_data.iter() {
               let mut mcmd = SubCommand::with_name(main_command_name).about(about);
           
               for &(sub_command_name, ref desc, url_info, ref args) in subcommands {
                   let mut scmd = SubCommand::with_name(sub_command_name);
                   if let &Some(desc) = desc {
                       scmd = scmd.about(desc);
                   }
                   scmd = scmd.after_help(url_info);
           
                   for &(ref arg_name, ref flag, ref desc, ref required, ref multi) in args {
                       let arg_name_str =
                           match (arg_name, flag) {
                                   (&Some(an), _       ) => an,
                                   (_        , &Some(f)) => f,
                                    _                    => unreachable!(),
                            };
                       let mut arg = Arg::with_name(arg_name_str)
                                         .empty_values(false);
                       if let &Some(short_flag) = flag {
                           arg = arg.short(short_flag);
                       }
                       if let &Some(desc) = desc {
                           arg = arg.help(desc);
                       }
                       if arg_name.is_some() && flag.is_some() {
                           arg = arg.takes_value(true);
                       }
                       if let &Some(required) = required {
                           arg = arg.required(required);
                       }
                       if let &Some(multi) = multi {
                           arg = arg.multiple(multi);
                       }
                       scmd = scmd.arg(arg);
                   }
                   mcmd = mcmd.subcommand(scmd);
               }
               app = app.subcommand(mcmd);
           }
           
        let matches = app.get_matches();

    let debug = matches.is_present("debug");
    match Engine::new(matches).await {
        Err(err) => {
            exit_status = err.exit_code;
            writeln!(io::stderr(), "{}", err).ok();
        },
        Ok(engine) => {
            if let Err(doit_err) = engine.doit().await {
                exit_status = 1;
                match doit_err {
                    DoitError::IoError(path, err) => {
                        writeln!(io::stderr(), "Failed to open output file '{}': {}", path, err).ok();
                    },
                    DoitError::ApiError(err) => {
                        if debug {
                            writeln!(io::stderr(), "{:#?}", err).ok();
                        } else {
                            writeln!(io::stderr(), "{}", err).ok();
                        }
                    }
                }
            }
        }
    }

    std::process::exit(exit_status);
}
