use crate::db;
use crate::DResult;
use blastmud_interfaces::*;
use uuid::Uuid;
use MessageFromListener::*;

mod new_session;
pub mod user_commands;

#[derive(Clone, Debug)]
pub struct ListenerSession {
    pub listener: Uuid,
    pub session: Uuid,
}

#[cfg(test)]
impl Default for ListenerSession {
    fn default() -> ListenerSession {
        use uuid::uuid;
        ListenerSession {
            listener: uuid!("6f9c9b61-9228-4427-abd7-c4aef127a862"),
            session: uuid!("668efb68-79d3-4004-9d6a-1e5757792e1a"),
        }
    }
}

pub async fn handle(listener: Uuid, msg: MessageFromListener, pool: db::DBPool) -> DResult<()> {
    match msg {
        ListenerPing { .. } => {
            pool.record_listener_ping(listener).await?;
        }
        SessionConnected { session, source } => {
            new_session::handle(&ListenerSession { listener, session }, source, &pool).await?;
        }
        SessionDisconnected { session } => {
            pool.end_session(ListenerSession { listener, session })
                .await?;
        }
        SessionSentLine { session, msg } => {
            user_commands::handle(&ListenerSession { listener, session }, &msg, &pool).await?;
        }
        AcknowledgeMessage => {}
    }
    Ok(())
}