using AIProofread.Controls;
using AIProofread.core;
using AIProofread.Model;
using AIProofread.Util;
using Microsoft.Office.Interop.Word;
using Microsoft.Office.Tools.Word;
using Microsoft.Web.WebView2.Core;
using Microsoft.Web.WebView2.WinForms;
using Newtonsoft.Json;
using NPOI.XSSF.UserModel;
using NPOI.XWPF.UserModel;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
using System.IO;
using System.Runtime.InteropServices;
using System.Text.RegularExpressions;
using System.Windows.Forms;
using UtilLib;
using Document = Microsoft.Office.Interop.Word.Document;
using Task = System.Threading.Tasks.Task;

namespace AIProofread
{
    public enum BridgeEvent
    {
        LoginSuccess,
        WindowClose
    }
    public delegate void BridgeEventHandler(object sender, EventArgs e);


    [ClassInterface(ClassInterfaceType.AutoDual)]
    [ComVisible(true)]
    public class Bridge
    {
        public static Bridge bridge = new Bridge();

        private static readonly Dictionary<string, WebView2> webViewDict = new Dictionary<string, WebView2>();

        private static readonly Dictionary<BridgeEvent, List<BridgeEventHandler>> eventHandlers = new Dictionary<BridgeEvent, List<BridgeEventHandler>>();

        public static Dictionary<int, ProofreadItem> marks;

        private static int selectProofreadId = -1;

        private static object missing = System.Reflection.Missing.Value;

        private static UpgradeData CurrentUpgrade = null;

        public void ShowUpgradeView()
        {
            var needUpgrade = CurrentUpgrade.NeedUpgrade(Config.APP_VERSION);
            if (!needUpgrade)
            {
                showDialog("当前版本为最新版本，无需升级");
                return;
            }
            if (CurrentUpgrade.Ext == 1)
            {
                var ret = MessageBox.Show(CurrentUpgrade.Message, "是否确认更新", System.Windows.Forms.MessageBoxButtons.YesNo, System.Windows.Forms.MessageBoxIcon.Question);
                if (ret == DialogResult.Yes)
                {
                    OpenUrlWithOsBrowser(CurrentUpgrade.DownloadUrl);
                }
            }
            else
            {
                StartUpgradeProcess();
            }
        }

        public bool ShouldUpgradeForced()
        {
            return CurrentUpgrade != null && CurrentUpgrade.NeedUpgrade(Config.APP_VERSION) && CurrentUpgrade.UpgradeType == 1;
        }

        /// <summary>
        /// 检查插件更新信息
        /// </summary>
        public void CheckPluginUpgrade()
        {
            try
            {
                string source = HttpUtil.GetHttpSource(Config.WEB_PATH + "api/v1/common/download/version");
                if (source == null) return;

                UpgradeSource data = JsonConvert.DeserializeObject<UpgradeSource>(source);
                if (data == null || data.Code != 0) return;
                CurrentUpgrade = data.Data;

                // 是否需要强制升级
                //if (ShouldUpgradeForced())
                //{
                //    // 显示升级框
                //    ShowUpgradeView();
                //}
            }
            catch (Exception ex)
            {
                Logger.Log(ex);
            }
        }

        public string GetAppVersion()
        {

            Dictionary<string, object> data = new Dictionary<string, object>();
            data["version"] = Config.APP_VERSION;
            data["platform"] = Config.IS_WPS ? "wps" : "word";
            data["environment"] = Config.APP_ENV.ToString();
            return JsonConvert.SerializeObject(data);
        }


        public void showDialog(string message)
        {
            MessageBox.Show(message);
        }

        public int getMinWIdth()
        {
            return Globals.ThisAddIn.GetMinWidth();
        }

        /// <summary>
        /// 添加事件
        /// </summary>
        /// <param name="eventName"></param>
        /// <param name="handler"></param>
        public static void AddEventHandler(BridgeEvent eventName, BridgeEventHandler handler)
        {
            if (!eventHandlers.ContainsKey(eventName))
            {
                eventHandlers.Add(eventName, new List<BridgeEventHandler>());
            }
            eventHandlers[eventName].Add(handler);
        }
        public static void RemoveEventHandler(BridgeEvent eventName, BridgeEventHandler handler)
        {
            if (eventHandlers.ContainsKey(eventName))
            {
                eventHandlers[eventName].Remove(handler);
            }
        }

        public void SetCurrentDocumentId(int id)
        {
            SetDocumentId(id, Globals.ThisAddIn.Application.ActiveDocument);
        }


        public void SetDocumentId(int id, Document document)
        {
            Globals.ThisAddIn.SetDocumentId(document, id);
        }
        public DocumentInfo GetDocumentById(int id)
        {
            return Globals.ThisAddIn.GetDocumentById(id);
        }

        public int GetCurrentDocumentId()
        {
            return Globals.ThisAddIn.ActiveDocument.Id;
        }

        public int GeIdBytDocument(Document document)
        {
            var doc = Globals.ThisAddIn.documentList.Get(document);
            if (doc != null)
            {
                return doc.Id;
            }
            return doc != null ? doc.Id : 0;
        }

        // 打开网页
        public void OpenUrlWithOsBrowser(string url)
        {
            try
            {
                Process.Start(url);
            }
            catch
            {
                showDialog("打开网页失败");
            }
        }

        public static void StartUpgradeProcess()
        {
            try
            {
                string applicationBase = AppDomain.CurrentDomain.SetupInformation.ApplicationBase;
                string path = "updater.exe";
                ProcessStartInfo processStartInfo = new ProcessStartInfo(Path.Combine(applicationBase, Path.GetFileName(path)))
                {
                    WorkingDirectory = applicationBase,
                };
                Process.Start(processStartInfo);
            }
            catch (Exception e)
            {
                Logger.Log(e);
                MessageBox.Show("启动升级程序失败,请重试");
            }
        }

        public void StartProofread()
        {
            Globals.ThisAddIn.SendMessageToWeb("start", "login");
        }

        public void ShowCurrentPane()
        {
            Globals.ThisAddIn.ShowPanel();
        }
        public void HideCurrentPane()
        {
            Globals.ThisAddIn.HidePanel();
        }


        public void ShowLoginForm(string action)
        {
            Globals.ThisAddIn.ShowLoginForm(action);
        }
        public void Logout(string action)
        {
            // web同步注销到ribbon
            Globals.ThisAddIn.SyncLogout();
            // ribbon 发送注销动作到 web
            Globals.ThisAddIn.SendMessageToWeb("logout", null);
        }

        /// <summary>
        /// 登录成功后通知后端
        /// </summary>
        public void loginSuccess(string userinfo)
        {
            if (userinfo == null || userinfo.Length == 0) return;
            //
            Userinfo info = JsonConvert.DeserializeObject<Userinfo>(userinfo);
            // 登录成功 展示
            Globals.ThisAddIn.ribbon.ProcessLoginInfo(info);
        }

        // 获取文档所有文本数据
        public Dictionary<string, object> getAllText()
        {
            return Tools.GetAllText(Globals.ThisAddIn.Application.ActiveDocument);
        }

        /// <summary>
        /// 获取文档数据
        /// </summary>
        /// <returns></returns>
        public string getDocumentData()
        {

            Dictionary<string, object> data = new Dictionary<string, object>();
            var documentInfo = Globals.ThisAddIn.ActiveDocument;

            var doc = documentInfo.CurrentDocument;
            //string ext = doc.FullName.ToLower();
            // 如果是
            //var shouldCheckSaved = ext.EndsWith(".wps") || doc.Paragraphs.Count < 200 || doc.Tables.Count < 20;
            // !shouldCheckSaved && 
            if (!documentInfo.Saved())
            {
                data.Add("code", 1);
                data.Add("message", "请保存文档后再进行校对");
            }
            else if (ShouldUpgradeForced())
            {
                data.Add("code", 2);
                data.Add("message", "请升级插件后再进行校对");
            }
            else if (doc.ProtectionType != WdProtectionType.wdNoProtection)
            {
                data.Add("code", 3);
                data.Add("message", "文档受保护，无法编辑");
            }
            else
            {
                documentInfo.hasProcessMark = false;
                data.Add("code", 0);
                data.Add("message", "success");
                data.Add("name", doc.Name);
                //data.Add("documentId", Globals.ThisAddIn.ActiveDocument.Id);
                data.Add("fullName", doc.FullName);
                data.Add("documentId", GeIdBytDocument(doc));
                data.Add("wordsCount", doc.Words.Count);
                data.Add("charactersCount", doc.Characters.Count);
                data.Add("content", Tools.GetAllText(doc));
            }
            return Tools.GetJSONString(data);
        }

        /// <summary>
        /// 根据位置获取文档区域文本
        /// </summary>
        /// <param name="start"></param>
        /// <param name="end"></param>
        /// <returns></returns>
        public string getParagraphTextByRange(int start, int end)
        {
            var list = Tools.GetTextListByParagraphRange(start, end);
            return Tools.GetJSONString(list);
        }
        /// <summary>
        /// 获取文档所有段落文本
        /// </summary>
        /// <returns></returns>
        public string getAllParagraphs()
        {
            var doc = Globals.ThisAddIn.ActiveDocument;
            if (doc == null)
            {
                return "";
            }
            return Tools.GetJSONString(doc.GetAllParagraphs());
        }


        public void getParagraphTextByRangeSync(int start, int end)
        {
            Task.Run(() =>
            {
                var list = Tools.GetTextListByParagraphRange(start, end);
                Globals.ThisAddIn.SendMessageToWeb("getParagraphTextByRange", Tools.GetJSONString(list));
            });
        }

        public int getTotalParagraphNumber() => Globals.ThisAddIn.ActiveDocument?.GetTotalParagraphNumber() ?? -1;

        /// <summary>
        /// 读取文档原始文件并转换成base64
        /// </summary>
        /// <returns></returns>
        public string getDocumentFileData() => Globals.ThisAddIn.ActiveDocument?.GetOriginFileData() ?? "";

        public void ShowUpgrade(string data)
        {
            //var upgradeData = JsonConvert.DeserializeObject<UpgradeData>(data);
            //var needUpgrade = upgradeData.NeedUpgrade(Config.APP_VERSION);
            //if (upgradeData.Ext == 1)
            //{
            //    if (!needUpgrade)
            //    {
            //        showDialog("当前版本为最新版本，无需升级");
            //    }
            //    else
            //    {
            //        var ret = MessageBox.Show(upgradeData.Message, "是否确认更新", System.Windows.Forms.MessageBoxButtons.YesNo, System.Windows.Forms.MessageBoxIcon.Question);
            //        if (ret == DialogResult.Yes)
            //        {
            //            OpenUrlWithOsBrowser(upgradeData.DownloadUrl);
            //        }
            //    }
            //}
            //else
            //{
            //    StartUpgradeProcess();
            //}
        }

        public void noticeOtherWeb(string json, string targetWebName)
        {
            if (targetWebName != null)
            {
                if (webViewDict.ContainsKey(targetWebName))
                {
                    SendMessageToWeb(webViewDict[targetWebName], json);
                }
            }
            else
            {
                // 如果没有指定 则向所有 webview 发送消息
                foreach (var item in webViewDict)
                {
                    SendMessageToWeb(item.Value, json);
                }
            }
        }

        private void SendMessageToWeb(WebView2 webView, string json)
        {
            webView.CoreWebView2.PostWebMessageAsJson(json);
        }

        public async static void InitWebEnvAsync(string name, WebView2 webView)
        {
            try
            {
                webView.Name = name;
                if (webViewDict.ContainsKey(webView.Name))
                {
                    webViewDict[name] = webView;
                }
                else
                {
                    webViewDict.Add(name, webView);
                }

                // 禁用web安全，允许跨域 否则需要web编译为umd加载模式
                var ops = new CoreWebView2EnvironmentOptions("--disable-web-security");
                var env = await CoreWebView2Environment.CreateAsync(null, Config.WEB_DATA_PATH, ops);
                await webView.EnsureCoreWebView2Async(env);
                //webView.CoreWebView2.Settings.AreDevToolsEnabled = false;
                //webView.CoreWebView2.Settings.AreDefaultScriptDialogsEnabled = false;
                //webView.CoreWebView2.Settings.AreHostObjectsAllowed = true;
                // 添加 js与客户端代理

                webView.CoreWebView2.AddHostObjectToScript("bridge", bridge);
            }
            catch (Exception ex)
            {
                Logger.Log(ex);
            }
        }


        public void clearAllProofreadMarkById(int documentId) => Globals.ThisAddIn.GetDocumentById(documentId)?.ClearAllProofreadMark();
        public void ClearCurrentDocumentMarks() => Globals.ThisAddIn.ActiveDocument?.ClearAllProofreadMark();
        public void removeBookmark(string markId) => DocumentUtil.RemoveBookmark(markId);


        public string getAllBookmark()
        {
            return ToJSON(DocumentUtil.GetAllBookmark());
        }
        public string getSectionText()
        {
            return ToJSON(DocumentUtil.GetSectionText());
        }

        private static string ToJSON(object data)
        {
            return JsonConvert.SerializeObject(data);
        }

        public string GetCheckText()
        {
            var document = Globals.ThisAddIn.Application.ActiveDocument;
            int count = Globals.ThisAddIn.Application.ActiveDocument.Paragraphs.Count;
            if (count > 10000)
            {
                return document.Content.Text;
            }
            string text = "";
            for (int i = 0; i < count; i++)
            {
                string input = document.Paragraphs[i + 1].Range.Text.Replace("\f\r", "");
                string pattern = "[\\r\\f\\n]";
                string replacement = "\t";
                string text2 = Regex.Replace(input, pattern, replacement);
                if (text2.EndsWith("\t"))
                {
                    text2 = text2.Substring(0, text2.Length - 1);
                }
                text2 += "\r";
                text += text2;
            }
            return text;
        }

        public string GetSelectedText()
        {
            // 文档对象
            var document = Globals.ThisAddIn.Application.ActiveDocument;
            // 获取选区
            var selection = Globals.ThisAddIn.Application.Selection;
            // 段落数
            int count = selection.Paragraphs.Count;
            if (count > 10000)
            {
                return selection.Text;
            }
            string text = "";
            if (count == 1)
            {
                string input = selection.Text.Replace("\f\r", "");
                string pattern = "[\\r\\f\\n]";
                string replacement = "\t";
                string text2 = Regex.Replace(input, pattern, replacement);
                return text + text2;
            }
            for (int i = 0; i < count; i++)
            {
                string input;
                if (i == 0)
                {
                    int start = selection.Range.Start;
                    int end = selection.Paragraphs[i + 1].Range.End;
                    Document obj = document;
                    object Start = start;
                    object End = end;
                    input = obj.Range(ref Start, ref End).Text;
                }
                else if (i == count - 1)
                {
                    int start2 = selection.Paragraphs[i + 1].Range.Start;
                    int end2 = selection.Range.End;
                    Document obj2 = document;
                    object End = start2;
                    object Start = end2;
                    input = obj2.Range(ref End, ref Start).Text;
                }
                else
                {
                    input = selection.Paragraphs[i + 1].Range.Text;
                }
                input = input.Replace("\f\r", "");
                string pattern2 = "[\\r\\f\\n]";
                string replacement2 = "\t";
                string text3 = Regex.Replace(input, pattern2, replacement2);
                if (text3.EndsWith("\t"))
                {
                    text3 = text3.Substring(0, text3.Length - 1);
                }
                text3 += "\r";
                text += text3;
            }
            return text;
        }
        public void ShowSettingForm()
        {
            FormSetting frm = new FormSetting();
            frm.Show();
        }

        public void MoveCursor(int pos)
        {
            var rng = Globals.ThisAddIn.Application.ActiveDocument.Range(pos, pos);
            rng.Select();
        }

        public void SelectMarkById(int proofreadId, int documentId)
        {

            Globals.ThisAddIn.ActiveDocument?.SelectMarkById(proofreadId,false);
        }

        public void processMark(int proofreadId, int status)
        {
            Globals.ThisAddIn.ActiveDocument?.ProcessMark(proofreadId, status);
        }
        public string InitContent(string content, int documentId)
        {
            return InitContent(content, documentId, true);
        }
        public string InitContent(string content, int documentId, bool clearOriginMark)
        {
            try
            {
                // 根据文档编号 获取当前文档避免数据混乱
                var document = Globals.ThisAddIn.GetDocumentById(documentId) ?? throw new Exception("没有找到校对文档对象");

                // 先清除所有数据
                if (clearOriginMark) document.ClearAllProofreadMark();
                List<CorrectContext> list = JsonConvert.DeserializeObject<List<CorrectContext>>(content);
                document.InitProofread(list);
            }
            catch (Exception ex)
            {
                Logger.Log("Initial Content error:" + ex.Message + "\n" + ex.StackTrace + "\n\n");
                return "false";
            }
            return "true";
        }

        /// <summary>
        /// 新增校对项 查找时的偏移量
        /// </summary>
        //private static readonly int INSERT_FIND_OFFSET = 5;

        public string MarkSentence(string content, int documentId)
        {
            // 初始化话
            return InitContent(content, documentId, false);
        }

        public string ShowDialogMessage(string message)
        {
            var result = FormMessage.ShowMessage(message);
            if (result == DialogResult.Retry)
            {
                return "retry";
            }
            return "ok";
        }

        // 保存文件
        public string WriteText(string content, string path)
        {
            try
            {
                File.WriteAllText(path, content);
                return BridgeResult.Success("ok");
            }
            catch (Exception ex)
            {
                return BridgeResult.Error(-1, ex.Message);
            }
        }

        public string ExportProofreadResult()
        {
            try
            {
                DocumentUtil.ExportProofreadResult();
                return BridgeResult.Success();
            }
            catch (Exception ex)
            {
                return BridgeResult.Error(-1, ex.Message);
            }
        }

        public string ReadText(string path)
        {
            try
            {
                if (!File.Exists(path)) return BridgeResult.Error(-1, "文件不存在");
                return BridgeResult.Success(File.ReadAllText(path));
            }
            catch (Exception ex)
            {
                return BridgeResult.Error(-1, ex.Message);
            }
        }

        public string SaveCache(string cache, bool silent)
        {
            if (!silent)
            {
                if (!Globals.ThisAddIn.Application.ActiveDocument.Saved)
                {
                    MessageBox.Show("请先保存文档");
                    return BridgeResult.Error(1, "请先保存文档");
                }
            }
            try
            {
                File.WriteAllText(Globals.ThisAddIn.ActiveDocument.ProofreadCachePath, cache);
                return BridgeResult.Success("ok");
            }
            catch (Exception ex)
            {
                return BridgeResult.Error(-1, ex.Message);
            }
        }

        public bool CacheExists()
        {
            return File.Exists(Globals.ThisAddIn.ActiveDocument.ProofreadCachePath);
        }

        public string LoadCache()
        {
            if (!File.Exists(Globals.ThisAddIn.ActiveDocument.ProofreadCachePath))
            {
                return BridgeResult.Error(1, "cache-not-exists");
            }
            try
            {
                return BridgeResult.Success(File.ReadAllText(Globals.ThisAddIn.ActiveDocument.ProofreadCachePath));
            }
            catch (Exception ex)
            {
                return BridgeResult.Error(ex.Message);
            }
        }

        public string ShowConfirm(string message, string caption, string yesButtonText, string noButtonText)
        {
            var result = FormDialog.Show(message, caption, yesButtonText, noButtonText);
            return BridgeResult.Success(result == DialogResult.Yes ? "yes" : "no");
        }

        public string InitProofreadCacheList(string content)
        {
            try
            {
                List<CorrectContext> list = JsonConvert.DeserializeObject<List<CorrectContext>>(content);
                Globals.ThisAddIn.InitProofreadCacheList(list);
                return BridgeResult.Success();
            }
            catch (Exception ex)
            {
                return BridgeResult.Error(ex);
            }
        }
    }
}