// trifid-api, an open source reimplementation of the Defined Networking nebula management server.
//     Copyright (C) 2023 c0repwn3r
//
//     This program is free software: you can redistribute it and/or modify
//     it under the terms of the GNU General Public License as published by
//     the Free Software Foundation, either version 3 of the License, or
//     (at your option) any later version.
//
//     This program is distributed in the hope that it will be useful,
//     but WITHOUT ANY WARRANTY; without even the implied warranty of
//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//     GNU General Public License for more details.
//
//     You should have received a copy of the GNU General Public License
//     along with this program.  If not, see <https://www.gnu.org/licenses/>.

use actix_request_identifier::RequestIdentifier;
use actix_web::{
    web::{Data, JsonConfig},
    App, HttpResponse, HttpServer,
};
use log::{info, Level};
use sea_orm::{ConnectOptions, Database, DatabaseConnection};
use std::error::Error;
use std::time::Duration;

use crate::config::CONFIG;
use crate::error::{APIError, APIErrorsResponse};
use crate::keystore::{keystore_init, Keystore};
use crate::tokens::random_id_no_id;
use trifid_api_migration::{Migrator, MigratorTrait};

pub mod auth_tokens;
pub mod codegen;
pub mod config;
pub mod crypto;
pub mod cursor;
pub mod error;
pub mod keystore;
pub mod magic_link;
pub mod routes;
pub mod timers;
pub mod tokens;

pub struct AppState {
    pub conn: DatabaseConnection
}

#[actix_web::main]
async fn main() -> Result<(), Box<dyn Error>> {
    simple_logger::init_with_level(Level::Debug).unwrap();

    info!("Creating keystore...");

    let keystore = keystore_init()?;

    info!("Connecting to database at {}...", CONFIG.database.url);

    let mut opt = ConnectOptions::new(CONFIG.database.url.clone());
    opt.max_connections(CONFIG.database.max_connections)
        .min_connections(CONFIG.database.min_connections)
        .connect_timeout(Duration::from_secs(CONFIG.database.connect_timeout))
        .acquire_timeout(Duration::from_secs(CONFIG.database.acquire_timeout))
        .idle_timeout(Duration::from_secs(CONFIG.database.idle_timeout))
        .max_lifetime(Duration::from_secs(CONFIG.database.max_lifetime))
        .sqlx_logging(CONFIG.database.sqlx_logging)
        .sqlx_logging_level(log::LevelFilter::Info);

    let db = Database::connect(opt).await?;

    info!("Performing database migration...");
    Migrator::up(&db, None).await?;

    let data = Data::new(AppState { conn: db });

    HttpServer::new(move || {
        App::new()
            .app_data(data.clone())
            .app_data(JsonConfig::default().content_type_required(false).error_handler(|err, _req| {
                let api_error: APIError = (&err).into();
                actix_web::error::InternalError::from_response(
                    err,
                    HttpResponse::BadRequest().json(APIErrorsResponse {
                        errors: vec![api_error],
                    }),
                )
                .into()
            }))
            .wrap(RequestIdentifier::with_generator(random_id_no_id))
            .service(routes::v1::auth::magic_link::magic_link_request)
            .service(routes::v1::signup::signup_request)
            .service(routes::v1::auth::verify_magic_link::verify_magic_link_request)
            .service(routes::v1::totp_authenticators::totp_authenticators_request)
            .service(routes::v1::verify_totp_authenticators::verify_totp_authenticators_request)
            .service(routes::v1::auth::totp::totp_request)
            .service(routes::v1::networks::get_networks)
            .service(routes::v1::organization::create_org_request)
            .service(routes::v1::networks::get_network_request)
            .service(routes::v1::roles::create_role_request)
            .service(routes::v1::roles::get_roles)
            .service(routes::v1::roles::get_role)
            .service(routes::v1::roles::delete_role)
            .service(routes::v1::roles::update_role_request)
            .service(routes::v1::trifid::trifid_extensions)
            .service(routes::v1::hosts::get_hosts)
            .service(routes::v1::hosts::create_hosts_request)
            .service(routes::v1::hosts::get_host)
            .service(routes::v1::hosts::delete_host)
            .service(routes::v1::hosts::edit_host)
            .service(routes::v1::hosts::block_host)
            .service(routes::v1::hosts::enroll_host)
            .service(routes::v1::hosts::create_host_and_enrollment_code)
            .service(routes::v2::enroll::enroll)
            .service(routes::v1::dnclient::dnclient)
    })
    .bind(CONFIG.server.bind)?
    .run()
    .await?;

    Ok(())
}