mod app_state;
mod auth;
mod handlers;
mod lookup;
mod s3_utils;
mod thumbnail;

use actix_cors::Cors;
use actix_web::{
    http::header::{self, HeaderName},
    middleware::Logger,
    web, App, HttpServer,
};
use app_state::AppState;

use handlers::{
    get_current_user_handler, get_quota_handler, 
    increase_quota_handler, proxy_handler,
    set_quota_handler, upload_handler,
};
use log::warn;
use std::env;
use tokio::task::spawn_blocking;

#[actix_web::main]
async fn main() -> std::io::Result<()> {
    env_logger::init();
    warn!("Started");

    let port = env::var("PORT").unwrap_or_else(|_| "8080".to_string());
    let addr = format!("0.0.0.0:{}", port);
    let app_state = AppState::new().await;
    let app_state_clone = app_state.clone();

    // Используем spawn_blocking для работы, которая не совместима с Send
    spawn_blocking(move || {
        let rt = tokio::runtime::Handle::current();
        rt.block_on(async move {
            app_state_clone.cache_filelist().await;
        });
    });

    HttpServer::new(move || {
        // Настройка CORS middleware
        let cors = Cors::default()
            .allow_any_origin() // TODO: ограничить конкретными доменами в продакшене
            .allowed_methods(vec!["GET", "POST", "PUT", "DELETE", "OPTIONS"])
            .allowed_headers(vec![
                header::DNT,
                header::USER_AGENT,
                HeaderName::from_static("x-requested-with"),
                header::IF_MODIFIED_SINCE,
                header::CACHE_CONTROL,
                header::CONTENT_TYPE,
                header::RANGE,
                header::AUTHORIZATION,
            ])
            .expose_headers(vec![header::CONTENT_LENGTH, header::CONTENT_RANGE])
            .supports_credentials()
            .max_age(1728000); // 20 дней

        App::new()
            .app_data(web::Data::new(app_state.clone()))
            .wrap(cors)
            .wrap(Logger::default())
            .route("/", web::get().to(get_current_user_handler))
            .route("/", web::post().to(upload_handler))
            .route("/quota", web::get().to(get_quota_handler))
            .route("/quota/increase", web::post().to(increase_quota_handler))
            .route("/quota/set", web::post().to(set_quota_handler))
            .route("/{path:.*}", web::get().to(proxy_handler))
    })
    .bind(addr)?
    .run()
    .await
}