use axum::extract::State;
use futures::FutureExt;
use ruma::api::client::membership::ban_user;
use tuwunel_core::{Err, Result};

use crate::Ruma;

/// # `POST /_matrix/client/r0/rooms/{roomId}/ban`
///
/// Tries to send a ban event into the room.
pub(crate) async fn ban_user_route(
	State(services): State<crate::State>,
	body: Ruma<ban_user::v3::Request>,
) -> Result<ban_user::v3::Response> {
	let sender_user = body.sender_user();

	if sender_user == body.user_id {
		return Err!(Request(Forbidden("You cannot ban yourself.")));
	}

	let state_lock = services.state.mutex.lock(&body.room_id).await;

	services
		.membership
		.ban(&body.room_id, &body.user_id, body.reason.as_ref(), sender_user, &state_lock)
		.boxed()
		.await?;

	drop(state_lock);

	Ok(ban_user::v3::Response::new())
}