// Copyright (C) 2022  Aravinth Manivannan <realaravinth@batsense.net>
// SPDX-FileCopyrightText: 2023 Aravinth Manivannan <realaravinth@batsense.net>
//
// SPDX-License-Identifier: AGPL-3.0-or-later

use std::env;
use std::sync::Arc;

use actix_web::{
    error::InternalError, http::StatusCode, middleware as actix_middleware, web::Data as WebData,
    web::JsonConfig, App, HttpServer,
};
//use clap::{Parser, Subcommand};
//use static_assets::FileMap;
use tracing::info;
use tracing_actix_web::TracingLogger;
//
//pub use crate::api::v1::ROUTES as V1_API_ROUTES;
use ctx::Ctx;
pub use settings::Settings;

pub const CACHE_AGE: u32 = 604800;

pub const GIT_COMMIT_HASH: &str = env!("GIT_HASH");
pub const VERSION: &str = env!("CARGO_PKG_VERSION");
pub const PKG_NAME: &str = env!("CARGO_PKG_NAME");
pub const PKG_DESCRIPTION: &str = env!("CARGO_PKG_DESCRIPTION");
pub const PKG_HOMEPAGE: &str = env!("CARGO_PKG_HOMEPAGE");

pub type AppCtx = WebData<ctx::ArcCtx>;

mod api;
mod complaince;
mod ctx;
mod db;
mod docker;
mod docker_compose;
mod errors;
mod git;
mod runner;
mod settings;
mod utils;

//lazy_static::lazy_static! {
//    pub static ref FILES: FileMap = FileMap::new();
//}
//
//#[derive(Parser)]
//#[clap(author, version, about, long_about = None)]
//struct Cli {
//    #[clap(subcommand)]
//    command: Commands,
//}

#[actix_web::main]
#[cfg(not(tarpaulin_include))]
async fn main() -> std::io::Result<()> {
    if env::var("RUST_LOG").is_err() {
        env::set_var("RUST_LOG", "info");
    }

    pretty_env_logger::init();
    //    let cli = Cli::parse();

    info!(
        "{}: {}.\nFor more information, see: {}\nBuild info:\nVersion: {} commit: {}",
        PKG_NAME, PKG_DESCRIPTION, PKG_HOMEPAGE, VERSION, GIT_COMMIT_HASH
    );

    let settings = Settings::new().unwrap();
    settings.init();
    let ctx = AppCtx::new(Arc::new(Ctx::new(settings.clone()).await));
    ctx.db.migrate().await.unwrap();
    serve(settings, ctx).await?;
    Ok(())
}

async fn serve(settings: Settings, ctx: AppCtx) -> std::io::Result<()> {
    let ip = settings.server.get_ip();
    let workers = settings.server.workers.unwrap_or_else(num_cpus::get);
    let scheduler = runner::Scheduler::spawn(ctx.clone()).await;

    info!("Starting server on: http://{}", ip);
    HttpServer::new(move || {
        App::new()
            .wrap(TracingLogger::default())
            .wrap(actix_middleware::Compress::default())
            .app_data(ctx.clone())
            .app_data(get_json_err())
            .wrap(
                actix_middleware::DefaultHeaders::new()
                    .add(("Permissions-Policy", "interest-cohort=()")),
            )
            .wrap(actix_middleware::NormalizePath::new(
                actix_middleware::TrailingSlash::Trim,
            ))
            .configure(services)
    })
    .workers(workers)
    .bind(ip)
    .unwrap()
    .run()
    .await?;
    scheduler.stop().await;
    Ok(())
}

#[cfg(not(tarpaulin_include))]
pub fn get_json_err() -> JsonConfig {
    JsonConfig::default().error_handler(|err, _| {
        //debug!("JSON deserialization error: {:?}", &err);
        InternalError::new(err, StatusCode::BAD_REQUEST).into()
    })
}

pub fn services(cfg: &mut actix_web::web::ServiceConfig) {
    crate::api::v1::services(cfg);
}