use std::{
    fs::{self, File},
    io::{self, Write},
    path::Path,
};

use actix_files::Files;
use actix_web::{web, App, HttpServer};
use glob::glob;
use minify_html::{minify, Cfg};

mod config;
mod template;

#[path = "routes/agreements.rs"]
mod agreements;

#[path = "routes/not_found.rs"]
mod not_found;

#[path = "routes/index.rs"]
mod index;

#[path = "routes/networks.rs"]
mod networks;

#[path = "routes/portfolio.rs"]
mod portfolio;

#[actix_web::main]
async fn main() -> io::Result<()> {
    let config = config::get_config("/config/config.toml");

    let addr = ("127.0.0.1", config.port);
    println!("Listening to {}://{}:{}", config.scheme, addr.0, addr.1);

    let static_folder = "static";
    let dist_folder = format!("dist/{static_folder}");

    // The static folder is minimized only in release mode
    let folder = if cfg!(debug_assertions) {
        format!("{static_folder}/")
    } else {
        let cfg = Cfg::spec_compliant();

        for entry in glob(&format!("{static_folder}/**/*.*")).unwrap() {
            let path = entry.unwrap();
            let path_with_dist = path.to_string_lossy().replace(static_folder, &dist_folder);

            // Create folders
            let new_path = Path::new(&path_with_dist);
            fs::create_dir_all(new_path.parent().unwrap()).unwrap();

            let mut copy = true;
            if let Some(ext) = path.extension() {
                // List of files who should be minified
                if ["html", "css", "js", "svg", "webmanifest", "xml"]
                    .iter()
                    .any(|item| ext.to_string_lossy().to_lowercase().contains(item))
                {
                    // We won't copy, we'll minify
                    copy = false;

                    // Minify
                    let data = fs::read(&path).unwrap();
                    let minified = minify(&data, &cfg);

                    // Write files
                    let mut file = File::create(&path_with_dist)?;
                    file.write_all(&minified)?;
                }
            }

            if copy {
                // If no minification is needed
                fs::copy(path, path_with_dist)?;
            }
        }

        format!("{dist_folder}/")
    };

    HttpServer::new(move || {
        App::new()
            .app_data(web::Data::new(config.clone()))
            .service(index::page)
            .service(agreements::security)
            .service(agreements::humans)
            .service(agreements::robots)
            .service(agreements::sitemap)
            .service(networks::page)
            .service(portfolio::page)
            .service(Files::new("/", &folder))
            .default_service(web::to(not_found::page))
    })
    .bind(addr)?
    .run()
    .await
}