use axum::{
    // http::StatusCode,
    // routing::{get, post},
    // Json,
    Router,
};
use serde::{Deserialize, Serialize};
use tracing::info;
use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};

// Project modules
mod category;
mod model;
mod util;

// Passed App State
#[derive(Clone)]
pub struct AppState{
    db: deadpool_diesel::postgres::Pool,
}

#[tokio::main]
async fn main() {
    dotenvy::dotenv().unwrap();
    tracing_subscriber::registry().with(tracing_subscriber::fmt::layer()).init();
    // initialize db connection
    let db_url = std::env::var("DATABASE_URL").unwrap();

    let manager = deadpool_diesel::postgres::Manager::new(db_url, deadpool_diesel::Runtime::Tokio1);
    let pool = deadpool_diesel::postgres::Pool::builder(manager)
        .build()
        .unwrap();


    let shared_state = AppState {db: pool,};

    // Register routers
    let app = Router::new()
        // V1 apis
        .nest("/api/v1/category", category::handler::get_nest_handlers())
        .with_state(shared_state);

    let listener = tokio::net::TcpListener::bind("0.0.0.0:8987").await.unwrap();
    info!("starting server on 0.0.0.0:8987");
    axum::serve(listener, app).await.unwrap();
}