using PDF_Master.CustomControl;
using PDF_Master.Helper;
using PDF_Master.Model;
using PDF_Master.Properties;
using Prism.Commands;
using Prism.Mvvm;
using Prism.Regions;
using Prism.Services.Dialogs;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Forms;
using System.Windows.Threading;

namespace PDF_Master.ViewModels.HomePanel.ChatGPTAI
{
    public class ChatGPTAIRewritingContentViewModel : 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_limitTip;

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

        private string T_textBoxWatermark;

        public string T_TextBoxWatermark
        {
            get { return T_textBoxWatermark; }
            set
            {
                SetProperty(ref T_textBoxWatermark, value);
            }
        }

        private string T_copy;

        public string T_Copy
        {
            get { return T_copy; }
            set
            {
                SetProperty(ref T_copy, value);
            }
        }

        private string T_result;

        public string T_Result
        {
            get { return T_result; }
            set
            {
                SetProperty(ref T_result, value);
            }
        }

        private string T_rewritingBtn;

        public string T_RewritingBtn
        {
            get { return T_rewritingBtn; }
            set
            {
                SetProperty(ref T_rewritingBtn, value);
            }
        }

        private string T_copied;

        public string T_Copied
        {
            get { return T_copied; }
            set
            {
                SetProperty(ref T_copied, value);
            }
        }

        private void InitString()
        {
            T_Title = App.HomePageLoader.GetString("AIRewriteBtn_Title");
            T_LimitTip = App.HomePageLoader.GetString("ChatGTPAI_LimitTip");
            T_TextBoxWatermark = App.HomePageLoader.GetString("ChatGTPAI_TextBoxWatermark");
            T_Copy = App.HomePageLoader.GetString("ChatGTPAI_Copy");
            T_Result = App.HomePageLoader.GetString("ChatGTPAI_Result");
            T_RewritingBtn = App.HomePageLoader.GetString("AIRewriteBtn_RewritingBtn");
            T_Copied = App.HomePageLoader.GetString("ChatGTPAI_Copied");
        }
        #endregion

        #region 参数和属性
        public HomeContentViewModel homeContentViewModel = null;

        private string inputText;

        public string InputText
        {
            get { return inputText; }
            set
            {
                SetProperty(ref inputText, value);
            }
        }

        private string rewriteText;

        public string RewriteText
        {
            get { return rewriteText; }
            set
            {
                SetProperty(ref rewriteText, value);
            }
        }

        private Visibility showTip = Visibility.Collapsed;
        public Visibility ShowTip
        {
            get
            {
                return showTip;
            }
            set
            {
                SetProperty(ref showTip, value);
            }
        }

        private string errorTipText= App.HomePageLoader.GetString("ChatGTPLimit150");

        public string ErrorTipText
        {
            get { return errorTipText; }
            set
            {
                SetProperty(ref errorTipText, value);
            }
        }

        private Visibility errorVisible = Visibility.Collapsed;
        public Visibility ErrorVisible
        {
            get
            {
                return errorVisible;
            }
            set
            {
                SetProperty(ref errorVisible, value);
            }
        }
        #endregion

        #region 委托声明

        public DelegateCommand CopyCommand { get; set; }

        public DelegateCommand RewriteCommand { get; set; }

        public DelegateCommand<object> textBoxEnterCharactersTextChangedCommad { get; set; }

        #endregion

        public ChatGPTAIRewritingContentViewModel()
        {
            CopyCommand = new DelegateCommand(copy);
            RewriteCommand = new DelegateCommand(rewrite);
            textBoxEnterCharactersTextChangedCommad = new DelegateCommand<object>(textBoxEnterCharactersTextChanged);
            InitString();
        }

        #region 逻辑函数

        /// <summary>
        /// 检查文字是否超出范围
        /// </summary>
        /// <param name="e"></param>
        private void textBoxEnterCharactersTextChanged(object e)
        {
            var ConverterPreview = e as TextBoxEx;
            if (ConverterPreview != null)
            {
                //结果置空
                RewriteText = "";
                if (ConverterPreview.Text.Length > 150)
                {
                    ErrorTipText = App.HomePageLoader.GetString("ChatGTPLimit150"); ;
                    ErrorVisible = Visibility.Visible;
                }
                else
                {
                    ErrorVisible = Visibility.Collapsed;
                }

            }
        }

        /// <summary>
        /// 复制到剪切板
        /// </summary>
        public void copy()
        {
            try
            {
                System.Windows.Forms.Clipboard.SetText(RewriteText);
                //Copy成功显示
                ShowTip=Visibility.Visible;
            }
            catch { }

        }

        /// <summary>
        /// 重写逻辑
        /// </summary>
        public async void rewrite() 
        {
            //添加付费拦截锁
            if (!ServiceHelper.IAPBeforeFunction())
            {
                return;
            }
            if (Settings.Default.UserDate.subscribestatus != 1)
            {
                App.mainWindowViewModel.dialogs.ShowDialog(DialogNames.IAPCompareDialog);
                return;
            }
            ErrorVisible = Visibility.Collapsed;
            await Task.Run(async delegate
            {
                RewriteText = await ChatGTPAIHelper.Rewrite(InputText);
            });
            if (ChatGTPAIHelper.ChatGPTCode != "200")
            {
                //错误码文案，报错样式
                ErrorTipText = ChatGTPAIHelper.GetChatGPTCode(ChatGTPAIHelper.ChatGPTCode); 
                ErrorVisible = 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
    }
}