// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

use log::debug;
use std::fs::File;

use crate::app::core::{App, AppReturn, InputMode};
use crate::app::error::Result;
use crate::events::Key;

pub async fn rc_mode_handler(app: &mut App, key: Key) -> Result<AppReturn> {
    debug!(
        "{} Entered, current row / col: {} / {}",
        key, app.editor.input.current_row, app.editor.input.cursor_column
    );
    match key {
        Key::Char(c) => match c {
            'e' => {
                app.input_mode = InputMode::Editing;
                Ok(AppReturn::Continue)
            }
            'l' => {
                let home = dirs::home_dir();
                if let Some(p) = home {
                    let home_rc = p.join(".datafusion/.datafusionrc");
                    let rc = File::open(home_rc)?;
                    app.editor.load_file(rc)?;
                };
                Ok(AppReturn::Continue)
            }
            'r' => {
                app.reload_rc().await;
                Ok(AppReturn::Continue)
            }
            'w' => {
                app.write_rc()?;
                Ok(AppReturn::Continue)
            }
            _ => Ok(AppReturn::Continue),
        },
        Key::Esc => {
            app.input_mode = InputMode::Normal;
            Ok(AppReturn::Continue)
        }
        _ => Ok(AppReturn::Continue),
    }
}
