use std::vec;

use songbird::input::{File, Input};

use crate::util::debug::send_error;
use crate::util::poise_context_extension::ContextExt;
use crate::util::utilities::get_local_songs;
use crate::types::{Context, Error};

use super::util::{connect, autocomplete_channel};

// #[poise::command(
//     slash_command,
//     description_localized("en-US", "Play song")
// )]
// pub async fn play(ctx: Context<'_>,
//     #[description = "Song: "]
//     _url: String
// ) -> Result<(), Error> {

//     ctx.reply("Done!").await?;
//     Ok(())
// }

#[poise::command(
    slash_command,
    description_localized("en-US", "Disconnect from voice channel")
)]
pub async fn disconnect(
    ctx: Context<'_>
) -> Result<(), Error> {

    let Some(guild_id) = ctx.guild_id() else {
        ctx.reply("Can't use this outside of guild").await?;
        return Ok(());
    };

    let manager = songbird::get(ctx.serenity_context())
        .await
        .expect("Songbird Voice client placed in at initialisation.")
        .clone();

    let has_handler = manager.get(guild_id).is_some();

    if ! has_handler {
        ctx.reply("I am not connected to a channel!").await?;
        return Ok(())
    }

    match manager.remove(guild_id).await {
        Ok(()) => {
            ctx.reply("Disconnected").await?;
            return Ok(())
        }
        Err(e) => {
            let _ = send_error(ctx.serenity_context().http.clone(), e.to_string()).await;
            return Ok(())
        }
    }
}

async fn autocomplete_song(
    _ctx: Context<'_>,
    partial: &str,
) -> Vec<String> {

    match get_local_songs(partial) {
        Ok(names) => names,
        Err(_) => vec![]
    }
}

#[poise::command(
    slash_command,
    description_localized("en-US", "Play song from server storage")
)]
pub async fn play_local(ctx: Context<'_>,
    #[autocomplete = "autocomplete_channel"]
    #[description = "Voice channel name: "]
    channel: Option<String>,
    #[autocomplete = "autocomplete_song"]
    #[description = "Filename of local song: "]
    file_name: String
) -> Result<(), Error> {

    if ctx.guild().is_none() {
        ctx.reply_ephemeral("Can't use this outside of guild").await?;
        return Ok(());
    }

    let manager = songbird::get(ctx.serenity_context())
        .await
        .expect("Songbird Voice client placed in at initialisation.")
        .clone();

    let Some(guild_id) = ctx.guild_id() else {
        ctx.reply_ephemeral("Guild id not found").await?;
        return Ok(())
    };

    if manager.get(guild_id).is_none() {
        match connect(&ctx, guild_id, channel).await {
            Ok(_) => (),
            Err(e) => {
                ctx.reply_ephemeral(&e.to_string()).await?;
                return Ok(())
            }
        }
    }

    if let Some(handler_lock) = manager.get(guild_id) {
        let mut handler = handler_lock.lock().await;

        let input_file = File::new(format!("/home/emil/Music/{file_name}"));
        let input = Input::Lazy(Box::new(input_file));
        let _ = handler.play_only_input(input);
    }
    else {
        ctx.reply_ephemeral("Not in a voice channel").await?;
        return Ok(())
    }

    ctx.reply_ephemeral("Done!").await?;
    Ok(())
}