using System;
using System.Diagnostics;
using System.Globalization;
using System.IO;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Threading;
using BetterGenshinImpact.Core.Recognition.OCR;
using BetterGenshinImpact.Core.Recognition.ONNX;
using BetterGenshinImpact.GameTask;
using BetterGenshinImpact.Helpers;
using BetterGenshinImpact.Helpers.Extensions;
using BetterGenshinImpact.Helpers.Win32;
using BetterGenshinImpact.Hutao;
using BetterGenshinImpact.Service;
using BetterGenshinImpact.Service.Interface;
using BetterGenshinImpact.Service.Notification;
using BetterGenshinImpact.Service.Notifier;
using BetterGenshinImpact.View;
using BetterGenshinImpact.View.Pages;
using BetterGenshinImpact.ViewModel;
using BetterGenshinImpact.ViewModel.Pages;
using BetterGenshinImpact.ViewModel.Pages.View;
using LazyCache;
using Microsoft.Extensions.Caching.Memory;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using Serilog;
using Serilog.Events;
using Serilog.Sinks.RichTextBox.Abstraction;
using Wpf.Ui;
using Wpf.Ui.DependencyInjection;
using Wpf.Ui.Violeta.Appearance;
using Wpf.Ui.Violeta.Controls;

// Wine 平台适配
using BetterGenshinImpact.Platform.Wine;
using BetterGenshinImpact.Service.Tavern;

namespace BetterGenshinImpact;

public partial class App : Application
{
    // The.NET Generic Host provides dependency injection, configuration, logging, and other services.
    // https://docs.microsoft.com/dotnet/core/extensions/generic-host
    // https://docs.microsoft.com/dotnet/core/extensions/dependency-injection
    // https://docs.microsoft.com/dotnet/core/extensions/configuration
    // https://docs.microsoft.com/dotnet/core/extensions/logging
    private static readonly IHost _host = Host.CreateDefaultBuilder()
        .CheckIntegration()
        .UseElevated()
        .UseSingleInstance("BetterGI")
        .ConfigureLogging(builder => { builder.ClearProviders(); })
        .ConfigureServices(
            (context, services) =>
            {
                // 提前初始化配置
                var configService = new ConfigService();
                services.AddSingleton<IConfigService>(sp => configService);
                var all = configService.Get();

                var logFolder = Path.Combine(AppContext.BaseDirectory, "log");
                Directory.CreateDirectory(logFolder);
                var logFile = Path.Combine(logFolder, "better-genshin-impact.log");

                var richTextBox = new RichTextBoxImpl();
                services.AddSingleton<IRichTextBox>(richTextBox);

                var loggerConfiguration = new LoggerConfiguration()
                    .WriteTo.File(logFile,
                        outputTemplate:
                        "[{Timestamp:HH:mm:ss.fff}] [{Level:u3}] {SourceContext}{NewLine}{Message}{NewLine}{Exception}{NewLine}",
                        rollingInterval: RollingInterval.Day,
                        retainedFileCountLimit: 31,
                        retainedFileTimeLimit: TimeSpan.FromDays(21))
                    .WriteTo.Console(outputTemplate: 
                        "[{Timestamp:HH:mm:ss} {Level:u3}] {Message:lj}{NewLine}{Exception}")
                    .MinimumLevel.Debug()
                    .MinimumLevel.Override("Microsoft", LogEventLevel.Warning)
                    .MinimumLevel.Override("Microsoft.Hosting.Lifetime", LogEventLevel.Warning);
                if (all.MaskWindowConfig.MaskEnabled)
                {
                    loggerConfiguration.WriteTo.RichTextBox(richTextBox, LogEventLevel.Information,
                        "[{Timestamp:HH:mm:ss} {Level:u3}] {Message:lj}{NewLine}{Exception}");
                }

                Log.Logger = loggerConfiguration.CreateLogger();
                services.AddSingleton<IMissingTranslationReporter, SupabaseMissingTranslationReporter>();
                services.AddSingleton<ITranslationService, JsonTranslationService>();
                
                services.AddLogging(c => c.AddSerilog());
                // if ("zh-Hans".Equals(all.OtherConfig.UiCultureInfoName, StringComparison.OrdinalIgnoreCase))
                // {
                //     services.AddLogging(c => c.AddSerilog());
                // }
                // else
                // {
                //     services.AddLogging(logging =>
                //     {
                //         logging.ClearProviders();
                //         logging.SetMinimumLevel(LogLevel.Debug);
                //         logging.AddFilter("Microsoft", LogLevel.Warning);
                //         logging.AddFilter("Microsoft.Hosting.Lifetime", LogLevel.Warning);
                //         logging.Services.AddSingleton<ILoggerProvider, TranslatingSerilogLoggerProvider>();
                //     });
                // }

                services.AddLocalization();

                services.AddNavigationViewPageProvider();
                // App Host
                services.AddHostedService<ApplicationHostService>();
                // Page resolver service
                services.AddSingleton<INavigationService, NavigationService>();
                services.AddSingleton<IUpdateService, UpdateService>();

                // Service containing navigation, same as INavigationWindow... but without window
                services.AddSingleton<INavigationService, NavigationService>();
                services.AddSingleton<ISnackbarService, SnackbarService>();

                // Main window with navigation
                services.AddView<INavigationWindow, MainWindow, MainWindowViewModel>();
                services.AddSingleton<NotifyIconViewModel>();

                // Views
                services.AddView<HomePage, HomePageViewModel>();
                services.AddView<ScriptControlPage, ScriptControlViewModel>();
                services.AddView<TriggerSettingsPage, TriggerSettingsPageViewModel>();
                services.AddView<MacroSettingsPage, MacroSettingsPageViewModel>();
                services.AddView<CommonSettingsPage, CommonSettingsPageViewModel>();
                services.AddView<TaskSettingsPage, TaskSettingsPageViewModel>();
                services.AddView<HotKeyPage, HotKeyPageViewModel>();
                services.AddView<NotificationSettingsPage, NotificationSettingsPageViewModel>();
                services.AddView<KeyMouseRecordPage, KeyMouseRecordPageViewModel>();
                services.AddView<JsListPage, JsListViewModel>();
                services.AddView<MapPathingPage, MapPathingViewModel>();
                services.AddView<OneDragonFlowPage, OneDragonFlowViewModel>();
                services.AddSingleton<PathingConfigViewModel>();
                // services.AddView<PathingConfigView, PathingConfigViewModel>();
                services.AddView<KeyBindingsSettingsPage, KeyBindingsSettingsPageViewModel>();

                // 一条龙 ViewModels
                // services.AddSingleton<CraftViewModel>();
                // services.AddSingleton<DailyCommissionViewModel>();
                // services.AddSingleton<DailyRewardViewModel>();
                // services.AddSingleton<DomainViewModel>();
                // services.AddSingleton<ForgingViewModel>();
                // services.AddSingleton<LeyLineBlossomViewModel>();
                // services.AddSingleton<MailViewModel>();
                // services.AddSingleton<SereniteaPotViewModel>();
                // services.AddSingleton<TcgViewModel>();

                // My Services
                services.AddSingleton<TaskTriggerDispatcher>();
                services.AddSingleton<NotificationService>();
                services.AddHostedService(sp => sp.GetRequiredService<NotificationService>());
                services.AddSingleton<NotifierManager>();
                services.AddSingleton<IScriptService, ScriptService>();
                services.AddSingleton<HutaoNamedPipe>();
                services.AddSingleton<BgiOnnxFactory>();
                services.AddSingleton<OcrFactory>();
                services.AddMemoryCache();
                services.AddSingleton<IAppCache, CachingService>();
                services.AddSingleton<MemoryFileCache>();
                services.AddSingleton<IMihoyoMapApiService, MihoyoMapApiService>();
                services.AddSingleton<IKongyingTavernApiService, KongyingTavernApiService>();
                services.AddSingleton<IMaskMapPointService, MaskMapPointService>();
                
                services.AddSingleton(TimeProvider.System);
                services.AddSingleton<IServerTimeProvider, ServerTimeProvider>();

                // Configuration
                //services.Configure<AppConfig>(context.Configuration.GetSection(nameof(AppConfig)));
                
                I18N.Culture = new CultureInfo("zh-Hans"); // #1846
            }
        )
        .Build();

    public static IServiceProvider ServiceProvider => _host.Services;

    public static ILogger<T> GetLogger<T>()
    {
        return _host.Services.GetService<ILogger<T>>()!;
    }

    /// <summary>
    /// Gets registered service.
    /// </summary>
    /// <typeparam name="T">Type of the service to get.</typeparam>
    /// <returns>Instance of the service or <see langword="null"/>.</returns>
    public static T? GetService<T>() where T : class
    {
        return _host.Services.GetService(typeof(T)) as T;
    }

    /// <summary>
    /// Gets registered service.
    /// </summary>
    /// <returns>Instance of the service or <see langword="null"/>.</returns>
    /// <returns></returns>
    public static object? GetService(Type type)
    {
        return _host.Services.GetService(type);
    }

    /// <summary>
    /// Occurs when the application is loading.
    /// </summary>
    protected override async void OnStartup(StartupEventArgs e)
    {
        // Wine 平台适配
        WinePlatformAddon.ApplyApplicationConfig();
        base.OnStartup(e);

        try
        {
            // 分配控制台窗口以支持控制台输出
            ConsoleHelper.AllocateConsole("BetterGI Console");
            RegisterEvents();
            await _host.StartAsync();
            ServerTimeHelper.Initialize(_host.Services.GetRequiredService<IServerTimeProvider>());
            await UrlProtocolHelper.RegisterAsync();
        }
        catch (Exception ex)
        {
            // DEBUG only, no overhead
            Debug.WriteLine(ex);
            ConsoleHelper.WriteError($"应用程序启动失败: {ex.Message}");

            if (Debugger.IsAttached)
            {
                Debugger.Break();
            }
        }
    }

    /// <summary>
    /// Occurs when the application is closing.
    /// </summary>
    protected override async void OnExit(ExitEventArgs e)
    {
        base.OnExit(e);

        ConsoleHelper.WriteLine("BetterGI 应用程序正在关闭...");
        
        TempManager.CleanUp();

        await _host.StopAsync();
        _host.Dispose();
        
        // 释放控制台窗口
        ConsoleHelper.FreeConsoleWindow();
    }

    /// <summary>
    /// 注册事件
    /// </summary>
    private void RegisterEvents()
    {
        //Task线程内未捕获异常处理事件
        TaskScheduler.UnobservedTaskException += TaskSchedulerUnobservedTaskException;

        //UI线程未捕获异常处理事件（UI主线程）
        this.DispatcherUnhandledException += AppDispatcherUnhandledException;

        //非UI线程未捕获异常处理事件(例如自己创建的一个子线程)
        AppDomain.CurrentDomain.UnhandledException += CurrentDomainUnhandledException;
    }

    private static void TaskSchedulerUnobservedTaskException(object? sender, UnobservedTaskExceptionEventArgs e)
    {
        try
        {
            HandleException(e.Exception);
        }
        catch (Exception ex)
        {
            HandleException(ex);
        }
        finally
        {
            e.SetObserved();
        }
    }

    //非UI线程未捕获异常处理事件(例如自己创建的一个子线程)
    private static void CurrentDomainUnhandledException(object sender, UnhandledExceptionEventArgs e)
    {
        try
        {
            if (e.ExceptionObject is Exception exception)
            {
                HandleException(exception);
            }
        }
        catch (Exception ex)
        {
            HandleException(ex);
        }
        finally
        {
            //ignore
        }
    }

    //UI线程未捕获异常处理事件（UI主线程）
    private static void AppDispatcherUnhandledException(object sender, DispatcherUnhandledExceptionEventArgs e)
    {
        try
        {
            HandleException(e.Exception);
        }
        catch (Exception ex)
        {
            HandleException(ex);
        }
        finally
        {
            //处理完后，我们需要将Handler=true表示已此异常已处理过
            e.Handled = true;
        }
    }

    private static void HandleException(Exception e)
    {
        if (e.InnerException != null)
        {
            e = e.InnerException;
        }

        try
        {
            ExceptionReport.Show(e);
        }
        catch
        {
            // Fallback.
            System.Windows.Forms.MessageBox.Show(
                $"""
                 程序异常：{e.Source}
                 --
                 {e.StackTrace}
                 --
                 {e.Message}
                 """
            );
        }

        // log
        GetLogger<App>().LogDebug(e, "UnHandle Exception");
    }
}