#[macro_use]
extern crate diesel;

use actix_identity::IdentityMiddleware;
use actix_session::{config::PersistentSession, storage::CookieSessionStore, SessionMiddleware};
use actix_web::{cookie::Key, middleware, web, App, HttpServer};
use diesel::{
    prelude::*,
    r2d2::{self, ConnectionManager},
};
use time::Duration;

mod auth_handler;
mod email_service;
mod errors;
mod invitation_handler;
mod models;
mod register_handler;
mod schema;
mod utils;

#[actix_web::main]
async fn main() -> std::io::Result<()> {
    dotenv::dotenv().ok();
    std::env::set_var(
        "RUST_LOG",
        "simple-auth-server=debug,actix_web=info,actix_server=info",
    );
    env_logger::init();
    let database_url = std::env::var("DATABASE_URL").expect("DATABASE_URL must be set");

    // create db connection pool
    let manager = ConnectionManager::<PgConnection>::new(database_url);
    let pool: models::Pool = r2d2::Pool::builder()
        .build(manager)
        .expect("Failed to create pool.");
    let domain: String = std::env::var("DOMAIN").unwrap_or_else(|_| "localhost".to_string());

    // Start http server
    HttpServer::new(move || {
        App::new()
            .app_data(web::Data::new(pool.clone()))
            .wrap(IdentityMiddleware::default())
            .wrap(
                SessionMiddleware::builder(
                    CookieSessionStore::default(),
                    Key::from(utils::SECRET_KEY.as_bytes()),
                )
                .session_lifecycle(PersistentSession::default().session_ttl(Duration::days(1)))
                .cookie_name("auth-example".to_owned())
                .cookie_secure(false)
                .cookie_domain(Some(domain.clone()))
                .cookie_path("/".to_owned())
                .build(),
            )
            // enable logger
            .wrap(middleware::Logger::default())
            // everything under '/api/' route
            .service(
                web::scope("/api")
                    .service(
                        web::resource("/invitation")
                            .route(web::post().to(invitation_handler::post_invitation)),
                    )
                    .service(
                        web::resource("/register/{invitation_id}")
                            .route(web::post().to(register_handler::register_user)),
                    )
                    .service(
                        web::resource("/auth")
                            .route(web::post().to(auth_handler::login))
                            .route(web::delete().to(auth_handler::logout))
                            .route(web::get().to(auth_handler::get_me)),
                    ),
            )
    })
    .bind(("127.0.0.1", 8080))?
    .run()
    .await
}