use matrix_sdk::{config::SyncSettings, ruma::RoomId};
use tokio::signal;
use tokio::sync::mpsc;

mod bridge;
mod config;
mod db;
mod matrix;
mod meshtastic;

#[tokio::main]
async fn main() -> anyhow::Result<()> {
    colog::init();

    let config = config::read_config().await;

    let pool = db::setup(config.db).await.expect("error connecting to db");

    let (matrix_tx, matrix_rx) = mpsc::channel(32);

    let room_id = RoomId::parse(&config.matrix.room).expect("invalid room id");
    log::debug!("matrix room: {:?}", room_id);

    let matrix_client = matrix::build(config.matrix)
        .await
        .expect("error logging into matrix");

    matrix_client.sync_once(SyncSettings::default()).await?;

    let meshtastic_client = meshtastic::build(config.meshtastic)
        .await
        .expect("error connecting to meshtastic");

    tokio::spawn(async {
        meshtastic_client
            .receive(matrix_tx)
            .await
            .expect("error receiving message from meshtastic");
    });

    tokio::spawn(matrix::sender(matrix_client.clone(), matrix_rx, room_id));
    tokio::spawn(matrix::sync(matrix_client.clone()));

    match signal::ctrl_c().await {
        Ok(()) => {}
        Err(err) => {
            log::error!("Unable to listen for shutdown signal: {}", err);
        }
    }

    log::debug!("shutting down database connection");
    pool.close().await;
    log::debug!("db connection closed");

    Ok(())
}