// src/commands/leave.rs

use super::{CommandHandler, SlashCommand};
use anyhow::{Context as _, Result};
use lavalink_rs::LavalinkClient;
use serenity::{
  builder::{CreateApplicationCommandOption, EditInteractionResponse},
  client::Context,
  model::prelude::interaction::application_command::ApplicationCommandInteraction,
};
use tracing::instrument;
use futures::future::BoxFuture;

inventory::submit! {
  SlashCommand {
    name: "leave",
    description: "Makes the bot leave the current voice channel.",
    options: || Vec::new(), // No options
    handler: handle_leave,
  }
}

#[instrument(skip(ctx, interaction, lavalink))]
fn handle_leave<'a>(
  ctx: &'a Context,
  interaction: &'a ApplicationCommandInteraction,
  lavalink: &'a LavalinkClient,
) -> BoxFuture<'a, Result<()>> {
  Box::pin(async move {
    let guild_id = interaction.guild_id.context("Command must be used in a guild")?;

    // Check if connected before trying to leave
    if lavalink.get_player(guild_id).is_none() {
      interaction.edit_original_response(&ctx.http,
        EditInteractionResponse::new().content("Bot is not in a voice channel.")
      ).await?;
      return Ok(()); // Not an error, just inform user
    }

    // Destroy the Lavalink session for this guild
    lavalink.destroy_session(guild_id).await?;

    interaction.edit_original_response(&ctx.http,
      EditInteractionResponse::new().content("Left the voice channel.")
    ).await?;

    Ok(())
  })
}