// Prevents additional console window on Windows in release, DO NOT REMOVE!!
#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]

use tauri::{AboutMetadata, CustomMenuItem, Menu, MenuItem, Submenu};

#[derive(Clone, serde::Serialize)]
struct OpenFolderMessage {}

fn main() {
    let menu = build_menu("BufPiv");
    tauri::Builder::default()
        .menu(menu)
        .on_menu_event(|event| match event.menu_item_id() {
            "openfolder" => {
                event
                    .window()
                    .emit("openfolder", OpenFolderMessage {})
                    .expect("Failed to emit openfolder event");
            }
            _ => {}
        })
        .run(tauri::generate_context!())
        .expect("error while running tauri application");
}

fn build_menu(app_name: &str) -> Menu {
    let mut menu = Menu::new();
    #[cfg(target_os = "macos")]
    {
        menu = menu.add_submenu(Submenu::new(
            app_name,
            Menu::new()
                .add_native_item(MenuItem::About(
                    app_name.to_string(),
                    AboutMetadata::default(),
                ))
                .add_native_item(MenuItem::Separator)
                .add_native_item(MenuItem::Services)
                .add_native_item(MenuItem::Separator)
                .add_native_item(MenuItem::Hide)
                .add_native_item(MenuItem::HideOthers)
                .add_native_item(MenuItem::ShowAll)
                .add_native_item(MenuItem::Separator)
                .add_native_item(MenuItem::Quit),
        ));
    }
    let open_folder =
        CustomMenuItem::new("openfolder".to_string(), "Open Folder").accelerator("cmd+shift+O");
    let mut file_submenu = Menu::new()
        .add_item(open_folder)
        .add_native_item(MenuItem::CloseWindow);
    #[cfg(not(target_os = "macos"))]
    {
        file_submenu = file_submenu.add_native_item(MenuItem::Quit);
    }
    menu = menu.add_submenu(Submenu::new("File", file_submenu));

    #[cfg(not(target_os = "linux"))]
    let mut edit_menu = Menu::new();
    #[cfg(target_os = "macos")]
    {
        edit_menu = edit_menu.add_native_item(MenuItem::Undo);
        edit_menu = edit_menu.add_native_item(MenuItem::Redo);
        edit_menu = edit_menu.add_native_item(MenuItem::Separator);
    }
    #[cfg(not(target_os = "linux"))]
    {
        edit_menu = edit_menu.add_native_item(MenuItem::Cut);
        edit_menu = edit_menu.add_native_item(MenuItem::Copy);
        edit_menu = edit_menu.add_native_item(MenuItem::Paste);
    }
    #[cfg(target_os = "macos")]
    {
        edit_menu = edit_menu.add_native_item(MenuItem::SelectAll);
    }
    #[cfg(not(target_os = "linux"))]
    {
        menu = menu.add_submenu(Submenu::new("Edit", edit_menu));
    }
    #[cfg(target_os = "macos")]
    {
        menu = menu.add_submenu(Submenu::new(
            "View",
            Menu::new().add_native_item(MenuItem::EnterFullScreen),
        ));
    }

    let mut window_menu = Menu::new();
    window_menu = window_menu.add_native_item(MenuItem::Minimize);
    #[cfg(target_os = "macos")]
    {
        window_menu = window_menu.add_native_item(MenuItem::Zoom);
        window_menu = window_menu.add_native_item(MenuItem::Separator);
    }
    window_menu = window_menu.add_native_item(MenuItem::CloseWindow);
    menu = menu.add_submenu(Submenu::new("Window", window_menu));

    menu
}