use std::{fs::OpenOptions, io::{Read, Write}};

use dmp_core::music_controller::{controller::{ControllerHandle, LibraryResponse, PlayerCommand, PlayerLocation, PlayerResponse, QueueResponse}, queue::QueueSong};
use kushi::QueueItem;
use tauri::{AppHandle, Emitter, State, Wry};
use tempfile::TempDir;
use uuid::Uuid;

use crate::wrappers::_Song;



#[tauri::command]
pub async fn add_song_to_queue(app: AppHandle<Wry>, ctrl_handle: State<'_, ControllerHandle>, uuid: Uuid, location: PlayerLocation) -> Result<(), String> {
    dbg!(&location);
    let (song, _) = ctrl_handle.lib_get_song(uuid).await;
    match ctrl_handle.queue_append(QueueItem::from_item_type(kushi::QueueItemType::Single(QueueSong { song, location }))).await {
        Ok(()) => (),
        Err(e) => return Err(e.to_string())
    }
    app.emit("queue_updated", ()).unwrap();
    Ok(())
}

#[tauri::command]
pub async fn play_now(app: AppHandle<Wry>, ctrl_handle: State<'_, ControllerHandle>, uuid: Uuid, location: PlayerLocation) -> Result<(), String> {
    let song = match ctrl_handle.play_now(uuid, location).await {
        Ok(song) => song,
        Err(e) => return Err(e.to_string())
    };
    app.emit("queue_updated", ()).unwrap();
    app.emit("now_playing_change", _Song::from(&song)).unwrap();
    app.emit("playing", ()).unwrap();
    Ok(())
}

#[tauri::command]
pub async fn display_album_art(ctrl_handle: State<'_, ControllerHandle>, temp_dir: State<'_, TempDir>, uuid: Uuid) -> Result<(), String> {
    match ctrl_handle.lib_get_song(uuid.clone()).await.0.album_art(0) {
        Ok(art) => {
            let mut art = art.unwrap();
            let path = temp_dir.path().join(format!("CoverArt_{uuid}.{}", file_format::FileFormat::from_bytes(&art).extension()));
            // TODO: This can be optimised later
            let mut file = OpenOptions::new()
                .create(true)
                .truncate(true)
                .write(true)
                .read(true)
                .open(path.clone())
                .unwrap();
            file.write_all(&mut art).unwrap();
            opener::open(path).unwrap();
        }
        Err(e) => return Err(e.to_string())
    };
    Ok(())
}