using ComPDFKit.PDFDocument;
using ComPDFKitViewer;
using ComPDFKitViewer.PdfViewer;
using Microsoft.Office.Core;
using Microsoft.Office.Interop.Word;
using Microsoft.Win32;
using PDF_Master.CustomControl;
using PDF_Master.Helper;
using PDF_Master.Model;
using PDF_Master.Properties;
using PDFReader_WPF.Helper;
using Prism.Commands;
using Prism.Mvvm;
using Prism.Regions;
using Prism.Services.Dialogs;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Threading;
using Task = System.Threading.Tasks.Task;

namespace PDF_Master.ViewModels.HomePanel.ChatGPTAI
{
    public class ChatGPTAITranslationContentViewModel : BindableBase, INavigationAware
    {
        #region 文案
        private string T_title;

        public string T_Title
        {
            get { return T_title; }
            set
            {
                SetProperty(ref T_title, value);
            }
        }

        private string T_supportTip;

        public string T_SupportTip
        {
            get { return T_supportTip; }
            set
            {
                SetProperty(ref T_supportTip, value);
            }
        }

        private string T_limitTip;

        public string T_LimitTip
        {
            get { return T_limitTip; }
            set
            {
                SetProperty(ref T_limitTip, value);
            }
        }

        private string T_translationLanguage;

        public string T_TranslationLanguage
        {
            get { return T_translationLanguage; }
            set
            {
                SetProperty(ref T_translationLanguage, value);
            }
        }

        private string T_selectFileBtn;

        public string T_SelectFileBtn
        {
            get { return T_selectFileBtn; }
            set
            {
                SetProperty(ref T_selectFileBtn, value);
            }
        }

        private string T_dropTip;

        public string T_DropTip
        {
            get { return T_dropTip; }
            set
            {
                SetProperty(ref T_dropTip, value);
            }
        }


        private void InitString()
        {
            T_Title = App.HomePageLoader.GetString("AITranslationBtn_Title");
            T_SupportTip = App.HomePageLoader.GetString("AITranslationBtn_SupportTip");
            T_LimitTip = App.HomePageLoader.GetString("AITranslationBtn_LimitTip");
            T_TranslationLanguage = App.HomePageLoader.GetString("AITranslationBtn_TranslationLanguage");
            T_SelectFileBtn = App.HomePageLoader.GetString("AITranslationBtn_SelectFileBtn");
            T_DropTip = App.HomePageLoader.GetString("AITranslationBtn_DropTip");
        }
        #endregion

        #region 参数和属性
        public HomeContentViewModel homeContentViewModel = null;
        public IDialogService dialogs;
        /// <summary>
        /// 初始化需要翻译的内容语言
        /// </summary>
        public string fromlanguage = ChatGTPAIHelper.UpdateLanguagebType(0);

        /// <summary>
        /// 初始化翻译后的语言
        /// </summary>
        public string tolanguage = ChatGTPAIHelper.UpdateLanguagebType(1);

        private int fromlanguageIndex = 0;
        public int FromlanguageIndex
        {
            get { return fromlanguageIndex; }
            set
            {
                SetProperty(ref fromlanguageIndex, value);
                fromlanguage = ChatGTPAIHelper.UpdateLanguagebType(value);
            }
        }

        private int tolanguageIndex = 0;
        public int TolanguageIndex
        {
            get { return tolanguageIndex; }
            set
            {
                SetProperty(ref tolanguageIndex, value);
                tolanguage = ChatGTPAIHelper.UpdateLanguagebType(value + 1);
            }
        }

        private Visibility errorTipVisible = Visibility.Collapsed;
        public Visibility ErrorTipVisible
        {
            get
            {
                return errorTipVisible;
            }
            set
            {
                SetProperty(ref errorTipVisible, value);
                if (value == Visibility.Visible)
                {
                    dispatcherTimer.Start();
                }
            }
        }

        private string errorTipText = "The uploaded file cannot exceed 10MB";
        public string ErrorTipText
        {
            get
            {
                return errorTipText;
            }
            set
            {
                SetProperty(ref errorTipText, value);
            }
        }

        /// <summary>
        /// 初始化翻译前语言列表
        /// </summary>
        public static List<string> FromlanguageFamily { set; get; } = new List<string>();
        private void GetFromlanguageOrigin()
        {
            FromlanguageFamily.Clear();
            FromlanguageFamily = ChatGTPAIHelper.SetFromlanguageOrigin();
        }

        /// <summary>
        /// 初始化翻译到语言列表
        /// </summary>

        public List<string> TolanguageFamily { set; get; } = new List<string>();
        private void GetTolanguageOrigin()
        {
            TolanguageFamily.Clear();
            TolanguageFamily = ChatGTPAIHelper.SetTolanguageOrigin();
        }
        /// <summary>
        /// 设置错误提示显示时间
        /// </summary>
        private DispatcherTimer dispatcherTimer = new DispatcherTimer();
        #endregion

        #region 委托声明
        public DelegateCommand SelectFilesCommand { get; set; }
        #endregion

        public ChatGPTAITranslationContentViewModel(IDialogService dialogService)
        {
            dialogs = dialogService;
            SelectFilesCommand = new DelegateCommand(selectFiles);
            dispatcherTimer.Interval = TimeSpan.FromSeconds(3);
            dispatcherTimer.Tick += Dispatchertimer_Tick;
            init();
            InitString();
        }
        #region 逻辑函数

        /// <summary>
        /// 初始化下拉列表，或其他
        /// </summary>
        private void init()
        {
            GetFromlanguageOrigin();
            GetTolanguageOrigin();
        }

        /// <summary>
        /// 控制错误提示
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Dispatchertimer_Tick(object sender, EventArgs e)
        {
            ErrorTipVisible = Visibility.Collapsed;
            dispatcherTimer.Stop();
        }

       

        /// <summary>
        /// 选择文件逻辑翻译，word pdf
        /// </summary>
        public async void selectFiles()
        {
            DataTrackingHelper.SetSendInformation(DataTrackingHelper.EventType.Purchase_AI, DataTrackingHelper.EntryPathKeyType.Home_Tools);
            DataTrackingHelper.AddFirstAndSecondaryPath(DataTrackingHelper.FirstPath.Home, DataTrackingHelper.SecondaryPath.AITranslate);
            
            //添加付费拦截锁
            if (!ServiceHelper.IAPBeforeFunction())
            {
                return;
            }
            #region 暂时关闭权益弹窗
            //bool flg = false;
            ////权益弹窗
            //if (!App.IsLogin || Settings.Default.UserDate.subscribestatus != 1)
            //{
            //    DialogParameters value = new DialogParameters();
            //    value.Add(ParameterNames.Open, "AI");
            //    dialogs.ShowDialog(DialogNames.SubscriptionDialog, value, dialogResult =>
            //    {
            //        if (dialogResult.Result == ButtonResult.OK)
            //        {
            //            flg = true;
            //        }
            //        else
            //        {
            //            flg = false;
            //        }


            //    });
            //    if (flg == false)
            //    {
            //        return;
            //    }
            //} 
            #endregion
            string word = Properties.Resources.wordex;
            string pdf = Properties.Resources.pdf;
            string allfiles = pdf + word;
            OpenFileDialog dialog = new OpenFileDialog();
            //dialog.Multiselect = true;
            dialog.Filter = string.Format($"Files({allfiles.Replace(";", ",")}|{allfiles})|" +
           $"Pdf({pdf})|{pdf}|" +
           $"Microsoft Office Word({word})|{word}");
            if ((bool)dialog.ShowDialog())
            {
                ErrorTipVisible = Visibility.Collapsed;
                FileInfo fileInfo = new FileInfo(dialog.FileName);
                //判断文件大小
                if ((((float)fileInfo.Length) / 1024 / 1024) > 10)
                {
                    ErrorTipText = "File translation file size cannot exceed 10MB";
                    ErrorTipVisible = Visibility.Visible;
                    return;
                }
                //判断文件页数
                if (fileInfo.Extension.ToLower() == ".pdf")
                {
                    CPDFDocument cPDFDocument = CPDFDocument.InitWithFilePath(dialog.FileName);
                    if (cPDFDocument.PageCount > 30)
                    {
                        ErrorTipText = "Documents over 30 pages";
                        ErrorTipVisible = Visibility.Visible;
                        return;
                    }
                }
                
                string newfile = "";
                await Task.Run(async delegate
                {
                    newfile = await ChatGTPAIHelper.fileTranslate(dialog.FileName, fromlanguage, tolanguage);

                });
                if (!string.IsNullOrEmpty(newfile))
                {
                    if (File.Exists(newfile))
                    {
                        if (homeContentViewModel != null)
                        {
                            homeContentViewModel.OpenFile(new string[] { newfile });
                            return;
                        }
                    }
                }
                //newfile code
                if (newfile == "-1") { return; }
                ErrorTipText = ChatGTPAIHelper.GetBaiduTranslationCode(newfile);
                ErrorTipVisible = Visibility.Visible;
            }
        }
        #endregion

        #region 构架行为
        public void OnNavigatedTo(NavigationContext navigationContext)
        {
            navigationContext.Parameters.TryGetValue<HomeContentViewModel>(ParameterNames.HomeContentViewModel, out homeContentViewModel);
        }

        public bool IsNavigationTarget(NavigationContext navigationContext)
        {
            return true;
        }

        public void OnNavigatedFrom(NavigationContext navigationContext)
        {

        }
        #endregion
    }
}