//  Copyright 2022, The Tari Project
//
//  Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
//  following conditions are met:
//
//  1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following
//  disclaimer.
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//  2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
//  following disclaimer in the documentation and/or other materials provided with the distribution.
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//  3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote
//  products derived from this software without specific prior written permission.
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//  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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//  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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//  USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

use anyhow::Error;
use async_trait::async_trait;
use clap::Parser;
use tari_app_utilities::consts;

use super::{CommandContext, HandleCommand};

/// Checks for software updates if auto update is enabled
#[derive(Debug, Parser)]
pub struct Args {}

#[async_trait]
impl HandleCommand<Args> for CommandContext {
    async fn handle_command(&mut self, _: Args) -> Result<(), Error> {
        self.check_for_updates().await
    }
}

impl CommandContext {
    /// Check for updates
    pub async fn check_for_updates(&mut self) -> Result<(), Error> {
        println!("Checking for updates (current version: {})...", consts::APP_VERSION);
        match self.software_updater.check_for_updates().await {
            Some(update) => {
                println!(
                    "Version {} of the {} is available: {} (sha: {})",
                    update.version(),
                    update.app(),
                    update.download_url(),
                    update.to_hash_hex()
                );
            },
            None => {
                println!("No updates found.",);
            },
        }
        Ok(())
    }
}
