mod cmd;
mod model;
mod pkg;
mod pkg_store;
mod profile;
mod util;
mod start;
mod liner;
mod download_handler;
mod appdata;
mod display;

use anyhow::anyhow;
use closure::closure;
use appdata::AppData;
use model::misc::Game;
use pkg::PkgKey;
use profile::Profile;
use tauri::{Listener, Manager};
use tauri_plugin_deep_link::DeepLinkExt;
use tauri_plugin_cli::CliExt;
use tokio::{sync::Mutex, fs, try_join};

#[cfg_attr(mobile, tauri::mobile_entry_point)]
pub async fn run(_args: Vec<String>) {
    simple_logger::init_with_env().expect("Unable to initialize the logger");

    log::info!(
        "Running from {}",
        std::env::current_dir()
            .unwrap_or_default()
            .to_str()
            .unwrap_or_default()
    );

    tauri::Builder::default()
        .plugin(tauri_plugin_single_instance::init(|app, args, _cwd| {
            let _ = app
                .get_webview_window("main")
                .expect("No main window")
                .set_focus();
            if args.len() == 2 {
                // Todo deindent this chimera
                let url = &args[1];
                if &url[..13] == "rainycolor://" {
                    log::info!("Deep link: {}", url);
                    let regex = regex::Regex::new(
                        r"rainycolor://v1/install/rainy\.patafour\.zip/([^/]+)/([^/]+)/[0-9]+\.[0-9]+\.[0-9]+/"
                    ).expect("Invalid regex");
                    if let Some(caps) = regex.captures(url) {
                        if caps.len() == 3 {
                            let apph = app.clone();
                            let key = PkgKey(format!("{}-{}", caps.get(1).unwrap().as_str(), caps.get(2).unwrap().as_str()));
                            tauri::async_runtime::spawn(async move {
                                let mutex = apph.state::<Mutex<AppData>>();
                                let mut appd = mutex.lock().await;
                                _ = appd.pkgs.fetch_listings().await;
                                if let Err(e) = appd.pkgs.install_package(&key, true, true).await {
                                    log::warn!("Fail: {}", e.to_string());
                                }
                            });
                        }
                    }
                }
            }
        }))
        .plugin(tauri_plugin_cli::init())
        .plugin(tauri_plugin_fs::init())
        .plugin(tauri_plugin_deep_link::init())
        .plugin(tauri_plugin_dialog::init())
        .plugin(tauri_plugin_shell::init())
        .plugin(tauri_plugin_opener::init())
        .setup(|app| {
            let apph = app.handle();

            util::init_dirs(&apph);

            let mut app_data = AppData::new(app.handle().clone());
            let start_immediately;

            if let Ok(matches) = app.cli().matches() {
                let start_arg = matches.args.get("start").expect("Invalid argument configuration");
                let game_arg = matches.args.get("game").expect("Invalid argument configuration");
                let name_arg = matches.args.get("name").expect("Invalid argument configuration");
                log::debug!("{:?} {:?} {:?}", start_arg, game_arg, name_arg);
                if start_arg.occurrences > 0 {
                    start_immediately = true;
                    app_data.remain_open = false;
                } else {
                    tauri::WebviewWindowBuilder::new(app, "main", tauri::WebviewUrl::App("index.html".into()))
                        .title("STARTLINER")
                        .inner_size(600f64, 500f64)
                        .min_inner_size(600f64, 500f64)
                        .build()?;
                    start_immediately = false;
                }

                if game_arg.occurrences == 1 && name_arg.occurrences == 1 {
                    let game = game_arg.value.as_str().unwrap();
                    let name = name_arg.value.as_str().unwrap();

                    app_data.switch_profile(
                        Game::from_str(game).ok_or_else(|| anyhow!("Invalid game"))?,
                        name.to_owned()
                    )?;
                }
            } else {
                return Err(anyhow!("Invalid command line arguments").into());
            }

            app.manage(Mutex::new(app_data));
            app.deep_link().register_all()?;

            log::debug!("\n{:?}\n{:?}\n{:?}", util::config_dir(), util::pkg_dir(), util::cache_dir());

            tauri::async_runtime::spawn(async {
                let e = try_join!(
                    fs::create_dir_all(util::config_dir()),
                    fs::create_dir_all(util::pkg_dir()),
                    fs::create_dir_all(util::cache_dir())
                );
                if let Err(e) = e {
                    log::error!("Unable to create base directories: {}", e);
                    std::process::exit(1);
                }
            });


            app.listen("download-end", closure!(clone apph, |ev| {
                let raw = ev.payload();
                let key = PkgKey(raw[1..raw.len()-1].to_owned());
                let apph = apph.clone();
                tauri::async_runtime::spawn(async move {
                    let mutex = apph.state::<Mutex<AppData>>();
                    let mut appd = mutex.lock().await;
                    _ = appd.pkgs.install_package(&key, true, false).await;
                });
            }));

            app.listen("launch-end", closure!(clone apph, |_| {
                let apph = apph.clone();
                tauri::async_runtime::spawn(async move {
                    let mutex = apph.state::<Mutex<AppData>>();
                    let appd = mutex.lock().await;
                    if !appd.remain_open {
                        apph.exit(0);
                    }
                });
            }));

            if start_immediately == true {
                let apph_clone = apph.clone();
                tauri::async_runtime::spawn(async {
                    let apph_clone_clone = apph_clone.clone();
                    {
                        let mtx = apph_clone.state::<Mutex<AppData>>();
                        let mut appd = mtx.lock().await;
                        if let Err(e) = appd.pkgs.reload_all().await {
                            log::error!("Unable to reload packages: {}", e);
                            apph_clone.exit(1);
                        }
                    }
                    if let Err(e) = cmd::startline(apph_clone).await {
                        log::error!("Unable to launch: {}", e);
                        apph_clone_clone.exit(1);
                    }
                });
            }

            Ok(())
        })
        .invoke_handler(tauri::generate_handler![
            cmd::get_package,
            cmd::get_all_packages,
            cmd::reload_all_packages,
            cmd::fetch_listings,
            cmd::install_package,
            cmd::delete_package,
            cmd::toggle_package,

            cmd::list_profiles,
            cmd::init_profile,
            cmd::load_profile,
            cmd::get_current_profile,
            cmd::save_current_profile,
            cmd::set_cfg,

            cmd::startline,
            cmd::kill,

            cmd::list_displays,
            cmd::list_platform_capabilities,
            cmd::list_directories,
        ])
        .run(tauri::generate_context!())
        .expect("error while running tauri application");
}