using System.Threading;
using AIK.Common.Enum;
using AIK.Common.IconString;
using AIK.Common.Interface;
using AIK.Common.Language;
using AIK.Views.MenuPages.CommonPage;
using AIK.Views.UIViewModels;
using Microsoft.Extensions.DependencyInjection;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Threading;

namespace AIK.Views.UIServices
{
    public class ModalDialogService : IModalDialogService
    {
        private readonly IServiceProvider _serviceProvider;

        // 通过构造函数注入 IServiceProvider
        public ModalDialogService(IServiceProvider serviceProvider)
        {
            _serviceProvider = serviceProvider;
        }

        public async Task ShowDialogAsync(string title = "请稍候", string message = "正在处理...", MessageTypeEnum messageType = MessageTypeEnum.Info, bool canCancel = true, bool isAutoClose = true, int closeTimeSpan = 3000)
        {
            title = title == "请稍候" ? AiKLanguage.LanguageKey.GetValueOrDefault("DialogPleaseWait") ?? string.Empty : title;
            message = message == "正在处理..." ? AiKLanguage.LanguageKey.GetValueOrDefault("DialogProcessing") ?? string.Empty : message;
            var vm = new DialogMessageViewModel(title, message, messageType, canCancel);
            var window = new DialogWindow
            {
                DataContext = vm,
                Owner = Application.Current.MainWindow // 可选：设为模态父窗
            };

            // 启动后台任务（不在 UI 线程阻塞）
            _ = Task.Run(async () =>
            {
                try
                {

                    // 切回 UI 线程更新消息并关闭
                    await Application.Current.Dispatcher.InvokeAsync(async () =>
                    {
                        vm.Title = title;
                        vm.Message = message;
                        vm.MessageType = messageType;
                        if (isAutoClose)
                        {
                            var closets = TimeSpan.FromMilliseconds(closeTimeSpan).TotalSeconds;
                            vm.Message += $"\r\n{closets}秒自动关闭";
                            await Task.Delay(closeTimeSpan);
                            window.Close();
                        }
                    });


                }
                catch (OperationCanceledException)
                {
                    await Application.Current.Dispatcher.InvokeAsync(() =>
                    {
                        vm.Message = AiKLanguage.LanguageKey.GetValueOrDefault("DialogCancelled") ?? string.Empty;
                        window.Close();
                    });
                }
                catch (Exception ex)
                {
                    await Application.Current.Dispatcher.InvokeAsync(async () =>
                    {
                        vm.Message = $"{AiKLanguage.LanguageKey.GetValueOrDefault("DialogErrorPrefix") ?? string.Empty}: {ex.Message}";
                        //await Task.Delay(1500);
                        window.Close();
                    });
                }
            }, vm.CancellationToken);

            // 显示模态窗口（阻塞调用方直到关闭）
            window.ShowDialog();
        }

        public async Task ShowProgressAsync(Func<IProgress<double>, CancellationToken, Task<(bool, string)>> work, string title = "请稍候", string message = "正在烧录...", bool canCancel = true)
        {
            title = title == "请稍候" ? AiKLanguage.LanguageKey.GetValueOrDefault("DialogPleaseWait") ?? string.Empty : title;
            var vm = new ProgressDialogViewModel(title, message, canCancel);
            var window = new ProgressDialogWindow
            {
                DataContext = vm,
                Owner = Application.Current.MainWindow // 可选：设为模态父窗
            };
            Stopwatch stopwatch = Stopwatch.StartNew();
            var timer = new DispatcherTimer(TimeSpan.FromMilliseconds(100), DispatcherPriority.Background, (s, e) =>
            {
                vm.TimeTotalText = stopwatch.Elapsed.ToString(@"mm\:ss\.ff");
            }, Application.Current.Dispatcher);
            // 启动后台任务（不在 UI 线程阻塞）
            _ = Task.Run(async () =>
            {
                try
                {

                    var progress = new Progress<double>(p =>
                    {
                        // Progress<T> 回调可能在后台线程，需调度到 UI
                        Application.Current.Dispatcher.Invoke(() => vm.ReportProgress(p));
                    });
                    var (success, resultMessage) = await work(progress, vm.CancellationToken);
                    // 切回 UI 线程更新消息并关闭
                    await Application.Current.Dispatcher.InvokeAsync(async () =>
                    {
                        vm.Message = resultMessage;
                        if (success)
                        {
                            var ts = stopwatch.Elapsed;
                            vm.TimeTotalText = $"{AiKLanguage.LanguageKey.GetValueOrDefault("DialogElapsedPrefix") ?? string.Empty}-{ts.Minutes:D2}:{ts.Seconds:D2}.{ts.Milliseconds.ToString().PadLeft(3, '0').Substring(0, 2)}";
                        }

                        vm.IsCompleted = true;
                    });
                }
                catch (OperationCanceledException)
                {
                    await Application.Current.Dispatcher.InvokeAsync(() =>
                    {

                        vm.Message = AiKLanguage.LanguageKey.GetValueOrDefault("DialogCancelled") ?? string.Empty;
                        vm.IsCompleted = true;
                    });
                }
                catch (Exception ex)
                {
                    await Application.Current.Dispatcher.InvokeAsync(async () =>
                    {
                        vm.Message = $"{AiKLanguage.LanguageKey.GetValueOrDefault("DialogErrorPrefix") ?? string.Empty}: {ex.Message}";
                        vm.IsCompleted = true;
                    });
                }
                finally
                {
                    stopwatch.Stop();
                    timer.Stop();
                }
            }, vm.CancellationToken);

            // 显示模态窗口（阻塞调用方直到关闭）
            window.ShowDialog();
        }

        public async Task ShowTipsDialogAsync(string message = "", MessageTypeEnum typeEnum = MessageTypeEnum.Info, bool canCancel = true, bool isAutoClose = true, int closeTime = 3000)
        {
            LightTipWindow.ShowTip(Application.Current.MainWindow, AiKLanguage.LanguageKey.GetValueOrDefault("UpToDate"));
        }

        public async Task ShowQRCodeDialogAsync(IServiceProvider serviceProvider, string title = "请稍候", string message = "正在处理...", MessageTypeEnum messageType = MessageTypeEnum.Info, bool canCancel = true, bool isAutoClose = true, int closeTimeSpan = 3000)
        {
            title = title == "请稍候" ? AiKLanguage.LanguageKey.GetValueOrDefault("DialogPleaseWait") ?? string.Empty : title;
            message = message == "正在处理..." ? AiKLanguage.LanguageKey.GetValueOrDefault("DialogProcessing") ?? string.Empty : message;
            var vm = QRCodeMessageViewModel.Create(
            _serviceProvider, // 👈 传入容器
            title,
            message,
            messageType,
            canCancel
        );
            var window = new QRCodeDialogWindow
            {
                DataContext = vm, // 手动绑定 ViewModel
                Owner = Application.Current.MainWindow
            };
            // 启动后台任务（不在 UI 线程阻塞）
            _ = Task.Run(async () =>
            {
                try
                {

                }
                catch (OperationCanceledException)
                {
                    await Application.Current.Dispatcher.InvokeAsync(() =>
                    {
                        vm.Message = AiKLanguage.LanguageKey.GetValueOrDefault("DialogCancelled") ?? string.Empty;
                        window.Close();
                    });
                }
                catch (Exception ex)
                {
                    await Application.Current.Dispatcher.InvokeAsync(async () =>
                    {
                        vm.Message = $"{AiKLanguage.LanguageKey.GetValueOrDefault("DialogErrorPrefix") ?? string.Empty}: {ex.Message}";
                        //await Task.Delay(1500);
                        window.Close();
                    });
                }
            }, vm.CancellationToken);

            // 显示模态窗口（阻塞调用方直到关闭）
            window.ShowDialog();

        }
    }

}