using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using PDF_Master.Properties;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;

namespace PDF_Master.Helper
{
    public static class ChatGTPAIHelper
    {
        private static string host = "http://api-us-east-1.compdf.com:8082";

        private static string translate = "http://101.132.103.13:8030";

        /// <summary>
        /// 翻译文档Key接口
        /// </summary>
        private static string Uri_fileKeytranslate = translate + "/v1/translate/fileUpload";

        /// <summary>
        /// 翻译文档接口
        /// </summary>
        private static string Uri_filetranslate = translate + "/v1/translate/fileTranslateHandle";

        /// <summary>
        /// 翻译文本接口
        /// </summary>
        private static string Uri_texttranslate = translate + "/v1/translate/textTrans";

        ///// <summary>
        ///// FAQ接口
        ///// </summary>
        //private static string Uri_FAQ = host + "/find-faq";

        ///// <summary>
        ///// 跳转接口
        ///// </summary>
        //private static string Uri_GoToView = host + "/recognition";

        ///// <summary>
        ///// 摘要接口
        ///// </summary>
        //private static string Uri_Summary = host + "/summary";

        /// <summary>
        /// 错别字纠正
        /// </summary>
        private static string Uri_Correction = host + "/api/correct-typos";

        /// <summary>
        /// 错别字纠正
        /// </summary>
        private static string Uri_Rewrite = host + "/api/rewrite";

        /// <summary>
        /// 翻译指定内容，可以指定语言
        /// </summary>
        /// <param name="content"></param>
        /// <param name="language">1=中文 2=英文 3=法语 4=汉语</param>
        /// <returns></returns>
        public async static Task<string> fileKeyTranslate(string content, int language)
        {
            System.Collections.Specialized.NameValueCollection namevalue = new System.Collections.Specialized.NameValueCollection();
            //需要翻译的内容
            namevalue["file"] = content;
            //1=中文 2=英文 3=法语 4=汉语
            namevalue["projectId"] = "2";
            namevalue["version"] = "1.0.1";
            if (!string.IsNullOrEmpty(Settings.Default.UserDate.id))
            {
                namevalue["userId"] = Settings.Default.UserDate.id;
            }
            return await PostString(Uri_fileKeytranslate, namevalue);
        }

        /// <summary>
        /// 翻译指定内容，可以指定语言
        /// </summary>
        /// <param name="fileKey">文本Key</param>
        /// <param name="fromlanguage">文本语言</param>
        /// <param name="tolanguage">需要翻译的语言</param>
        /// <returns></returns>
        public static String fileTranslate(string fileKey, string fromlanguage, string tolanguage)
        {

            HttpWebResponse response = null;
            ServicePointManager.DefaultConnectionLimit = 200;
            HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(Uri_filetranslate);
            request.Method = "Post";
            request.ContentType = "application/json";
            //request.Accept = "application/vnd.api+json;version=1";
            request.UserAgent = "Apifox/1.0.0 (https://www.apifox.cn)";
            request.Timeout = 20000;
            request.ServicePoint.Expect100Continue = false;
            StringWriter sw = new StringWriter();
            using (JsonWriter writer = new JsonTextWriter(sw))
            {
                writer.WriteStartObject();
                writer.WritePropertyName("fileKey");
                writer.WriteValue(fileKey);
                writer.WritePropertyName("from");
                writer.WriteValue(fromlanguage);
                writer.WritePropertyName("to");
                writer.WriteValue(tolanguage);
                writer.WritePropertyName("projectId");
                writer.WriteValue("2");
                writer.WritePropertyName("version");
                writer.WriteValue("1.0.1");
                writer.WritePropertyName("userId");
                writer.WriteValue(Settings.Default.UserDate.id);
                writer.WriteEndObject();
            }
            try
            {
                string postBody = sw.ToString();
                using (StreamWriter writer = new StreamWriter(request.GetRequestStream()))
                {
                    writer.Write(postBody);
                    writer.Close();
                }

                response = (HttpWebResponse)request.GetResponse();
                using (StreamReader reader = new StreamReader(response.GetResponseStream()))
                {
                    string responseData = reader.ReadToEnd();
                    Console.WriteLine(responseData);
                    reader.Close();
                    JObject jobject = (JObject)JsonConvert.DeserializeObject(responseData);
                    if (response != null)
                    {
                        response.Close();
                    }
                    if (request != null)
                    {
                        request.Abort();
                    }

                    if (jobject["code"].ToObject<string>().ToLower() == "200")
                    {

                    }
                    //return jobject["code"].ToObject<string>().ToLower();

                    return "200";
                }
            }
            catch
            {
                return "300";
            }

        }


        /// <summary>
        /// 翻译指定内容，可以指定语言
        /// </summary>
        /// <param name="content">翻译内容</param>
        /// <param name="fromlanguage">文本语言</param>
        /// <param name="tolanguage">需要翻译的语言</param>
        /// <returns></returns>
        public static String textTranslate(string content, string fromlanguage, string tolanguage)
        {

            HttpWebResponse response = null;
            ServicePointManager.DefaultConnectionLimit = 200;
            HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(Uri_filetranslate);
            request.Method = "Post";
            request.ContentType = "application/json";
            //request.Accept = "application/vnd.api+json;version=1";
            request.UserAgent = "Apifox/1.0.0 (https://www.apifox.cn)";
            request.Timeout = 20000;
            request.ServicePoint.Expect100Continue = false;
            StringWriter sw = new StringWriter();
            using (JsonWriter writer = new JsonTextWriter(sw))
            {
                writer.WriteStartObject();
                writer.WritePropertyName("q");
                writer.WriteValue(content);
                writer.WritePropertyName("from");
                writer.WriteValue(fromlanguage);
                writer.WritePropertyName("to");
                writer.WriteValue(tolanguage);
                writer.WritePropertyName("projectId");
                writer.WriteValue("2");
                writer.WritePropertyName("version");
                writer.WriteValue("1.0.1");
                writer.WritePropertyName("userId");
                writer.WriteValue(Settings.Default.UserDate.id);
                writer.WriteEndObject();
            }
            try
            {
                string postBody = sw.ToString();
                using (StreamWriter writer = new StreamWriter(request.GetRequestStream()))
                {
                    writer.Write(postBody);
                    writer.Close();
                }

                response = (HttpWebResponse)request.GetResponse();
                using (StreamReader reader = new StreamReader(response.GetResponseStream()))
                {
                    string responseData = reader.ReadToEnd();
                    Console.WriteLine(responseData);
                    reader.Close();
                    JObject jobject = (JObject)JsonConvert.DeserializeObject(responseData);
                    if (response != null)
                    {
                        response.Close();
                    }
                    if (request != null)
                    {
                        request.Abort();
                    }

                    if (jobject["code"].ToObject<string>().ToLower() == "200")
                    {

                    }
                    //return jobject["code"].ToObject<string>().ToLower();

                    return "200";
                }
            }
            catch
            {
                return "300";
            }

        }

        public async static Task<string> textTranslate(string content, int language)
        {
            System.Collections.Specialized.NameValueCollection namevalue = new System.Collections.Specialized.NameValueCollection();
            //需要翻译的内容
            namevalue["q"] = content;
            //1=中文 2=英文 3=法语 4=汉语
            namevalue["from"] = "auto";
            namevalue["to"] = "en";
            namevalue["projectId"] = "2";
            namevalue["version"] = "1.0.1";
            if (!string.IsNullOrEmpty(Settings.Default.UserDate.id))
            {
                namevalue["userId"] = Settings.Default.UserDate.id;
            }
            return await PostString(Uri_filetranslate, namevalue);
        }

        


        /// <summary>
        /// 纠错
        /// </summary>
        /// <param name="content"></param>
        /// <returns></returns>
        public async static Task<string> Correction(string content)
        {
            System.Collections.Specialized.NameValueCollection namevalue = new System.Collections.Specialized.NameValueCollection();
            //需要纠错的内容
            namevalue["project_id"] = "3";
            namevalue["version"] = "1.0.1";
            if (!string.IsNullOrEmpty(Settings.Default.UserDate.id))
            {
                namevalue["user_id"] = Settings.Default.UserDate.id;
            }
            namevalue["content"] = content;
            return await PostString(Uri_Correction, namevalue);
        }

        /// <summary>
        /// 重写
        /// </summary>
        /// <param name="content"></param>
        /// <returns></returns>
        public async static Task<string> Rewrite(string content)
        {
            System.Collections.Specialized.NameValueCollection namevalue = new System.Collections.Specialized.NameValueCollection();
            //需要纠错的内容
            namevalue["project_id"] = "3";
            namevalue["version"] = "1.0.1";
            if (!string.IsNullOrEmpty(Settings.Default.UserDate.id))
            {
                namevalue["user_id"] = Settings.Default.UserDate.id;
            }
            namevalue["content"] = content;
            return await PostString(Uri_Rewrite, namevalue);
        }


        ///// <summary>
        ///// 页面跳转
        ///// </summary>
        ///// <param name="content"></param>
        ///// <returns></returns>
        //public async static Task<string> GoToView(string content)
        //{
        //    System.Collections.Specialized.NameValueCollection namevalue = new System.Collections.Specialized.NameValueCollection();
        //    //需要翻译的内容
        //    namevalue["str"] = content;
        //    return await PostString(Uri_GoToView, namevalue, "flag");
        //}

        /// <summary>
        /// 从链接中返回存在的链接(仅返回第一个找到的链接)
        /// </summary>
        /// <param name="content"></param>
        /// <returns></returns>
        public static List<string> GetLinkFromString(string content)
        {
            if (string.IsNullOrEmpty(content))
            {
                return null;
            }
            // 创建正则表达式模式
            string pattern = @"(https?://[^\s]+)";

            // 获取所有匹配项
            MatchCollection matches = Regex.Matches(content, pattern);

            List<string> list = new List<string>();
            // 遍历并打印所有匹配项
            foreach (Match match in matches)
            {
                list.Add(match.Value);
            }
            return list;
        }

        /// <summary>
        /// 从接口获取信息，获取message对应value值
        /// </summary>
        /// <param name="url"></param>
        /// <param name="namevalue"></param>
        /// <returns></returns>
        private async static Task<string> PostString(string url, System.Collections.Specialized.NameValueCollection namevalue, string key = "message")
        {
            string repsonseData = "";
            try
            {
                using (var client = new WebClient())
                {
                    byte[] bytes = await client.UploadValuesTaskAsync(url, namevalue);
                    //转换成字符串类型
                    var json = Encoding.Default.GetString(bytes);
                    //将Json格式字符串转换成键值对
                    var values = JsonConvert.DeserializeObject<Dictionary<string, string>>(json);

                    string unicode = "";
                    // 遍历字典对象输出键值对
                    foreach (KeyValuePair<string, string> item in values)
                    {
                        if (item.Key == key)
                        {
                            unicode = item.Value;
                        }
                    }
                    //将Unicode格式转换成String
                    repsonseData = Regex.Unescape(unicode);
                }
            }
            catch (Exception ex)
            {
                return null;
            }
            return repsonseData;
        }
    }
}