use serenity::builder::CreateCommand;
use serenity::prelude::Context;
use serenity::model::interactions::Interaction;
use anyhow::Result;

/// Defines a slash command with its registration and handler.
pub struct SlashCommand {
    pub name: &'static str,
    pub register: fn(&mut CreateCommand) -> &mut CreateCommand,
    pub handler: fn(Context, Interaction) -> std::pin::Pin<Box<dyn std::future::Future<Output = Result<()>> + Send>>,
}

inventory::collect!(SlashCommand);

/// Returns all registered slash commands.
pub fn get_slash_commands() -> Vec<&'static SlashCommand> {
    inventory::iter::<SlashCommand>
        .into_iter()
        .collect()
}

// Register individual command modules
pub mod ping;
pub mod join;
pub mod play;
pub mod leave;