// <copyright file="RootViewModel.cs" company="MaaAssistantArknights">
// MaaWpfGui - A part of the MaaCoreArknights project
// Copyright (C) 2021 MistEO and Contributors
//
// 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
// any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY
// </copyright>

using System;
using System.Threading.Tasks;
using System.Windows;
using MaaWpfGui.Constants;
using MaaWpfGui.Helper;
using MaaWpfGui.Main;
using Stylet;

namespace MaaWpfGui.ViewModels.UI
{
    /// <summary>
    /// The root view model.
    /// </summary>
    public class RootViewModel : Conductor<Screen>.Collection.OneActive
    {
        /// <inheritdoc/>
        protected override void OnViewLoaded()
        {
            // 更新直接重启
            if (Instances.VersionUpdateViewModel.CheckAndUpdateNow())
            {
                Bootstrapper.ShutdownAndRestartWithoutArgs();
                return;
            }

            InitViewModels();
            InitProxy();
            Task.Run(async () =>
            {
                await Instances.AnnouncementViewModel.CheckAndDownloadAnnouncement();
                if (Instances.AnnouncementViewModel.DoNotRemindThisAnnouncementAgain)
                {
                    return;
                }

                _ = Execute.OnUIThreadAsync(() => Instances.WindowManager.ShowWindow(Instances.AnnouncementViewModel));
            });
            Instances.VersionUpdateViewModel.ShowUpdateOrDownload();
        }

        private static async void InitProxy()
        {
            await Task.Run(Instances.AsstProxy.Init);
        }

        private void InitViewModels()
        {
            Items.Add(Instances.TaskQueueViewModel);
            Items.Add(Instances.CopilotViewModel);
            Items.Add(Instances.RecognizerViewModel);
            Items.Add(Instances.SettingsViewModel);

            Instances.SettingsViewModel.UpdateWindowTitle(); // 在标题栏上显示模拟器和IP端口 必须在 Items.Add(settings)之后执行。
            ActiveItem = Instances.TaskQueueViewModel;
        }

        private string _windowTitle = "MAA";

        /// <summary>
        /// Gets or sets the window title.
        /// </summary>
        public string WindowTitle
        {
            get => _windowTitle;
            set => SetAndNotify(ref _windowTitle, value);
        }

        private bool _showCloseButton = !Convert.ToBoolean(ConfigurationHelper.GetValue(ConfigurationKeys.HideCloseButton, bool.FalseString));

        /// <summary>
        /// Gets or sets a value indicating whether to show close button.
        /// </summary>
        public bool ShowCloseButton
        {
            get => _showCloseButton;
            set => SetAndNotify(ref _showCloseButton, value);
        }

        /// <inheritdoc/>
        protected override void OnClose()
        {
            Application.Current.Shutdown();
        }
    }
}