using Admin.Core.Api.PLTBusiness.Entity;
using Admin.Core.Common;
using Admin.Core.IService;
using Admin.Core.PlcServer;
using Admin.Core.Service;
using log4net;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using NPOI.HSSF.Record;
using RabbitMQ.Client;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http;
using System.Security.Policy;
using System.Text;
using System.Text.Json;
using System.Threading;
using System.Threading.Tasks;

namespace Admin.Core.Api.PLTBusiness
{

    public class HttpService : BackgroundService
    {
        private readonly log4net.ILog log = LogManager.GetLogger(typeof(HttpService));

        private readonly IServiceScopeFactory _scopeFactory;

        private readonly IHttpClientFactory _httpClientFactory;

        private readonly string _host;

        private string _token;

        private int _tokenExpirationTime = 0;

        public HttpService(IHttpClientFactory httpClientFactory, IServiceScopeFactory scopeFactory)
        {
            _httpClientFactory = httpClientFactory;
            _scopeFactory = scopeFactory;
        }

        protected async override Task ExecuteAsync(CancellationToken stoppingToken)
        {
            int second = 1000 * 10;
            using var scope = _scopeFactory.CreateScope();
            var services = scope.ServiceProvider;
            var xlBusiness = services.GetService<XlBusiness>();
            while (!stoppingToken.IsCancellationRequested)
            {

                //执行任务
                //log.Info($"{DateTime.Now}");

                if (_tokenExpirationTime == 0)
                {
                    if (await GetToken())
                    {
                        log.Info("Token Get! Value:" + _token);
                    }
                    else
                    {
                        log.Error("Token Get Falied");
                    }

                }
                else if (_tokenExpirationTime <= 86400)
                {
                    RefreshToken();
                }
                else
                {
                    _tokenExpirationTime = _tokenExpirationTime - (second / 1000);
                }

                try
                {
                    if (_token.IsNotEmptyOrNull())
                    {
                        await xlBusiness.InsertNewMaterialData(await GetMaterialDataPageList());
                    }
                    else
                    {
                        log.Error("No Token!!!");
                    }
                }
                catch (Exception ex)
                {
                    log.Error("Error: " + ex);
                }

                await Task.Delay(second);
            }

        }

        #region Mes信息拉取

        /// <summary>
        /// 分页拉取所有Mes物料信息
        /// </summary>
        /// <returns></returns>
        private async Task<List<MaterialRecordListItem>> GetMaterialDataPageList()
        {
            int pageSize = 200;
            int pageIndex = 0;
            int pageCount = 1;
            string orgCode = "Mesnac";
            List<MaterialRecordListItem> allMaterials = new List<MaterialRecordListItem>();
            Dictionary<string, object> _pageInfo = new Dictionary<string, object>()
            {
                {"pageIndex", 200},
                {"pageSize", 0},
                {"orgCode", "Mesnac"},
            };
            try
            {
                do
                {
                    string body = JsonSerializer.Serialize(_pageInfo);
                    string materialJson = await PostAsync(_host + "/qtn/api/q7/com/inventory/page",
                        body, "application/json", "application/json",
                        new Dictionary<string, string> { { "token", _token } }, 10);
                    ResponseRoot<MaterialData> responseRoot = JsonSerializer.Deserialize<ResponseRoot<MaterialData>>(materialJson);
                    if (responseRoot == null)
                    {
                        log.Error("物料信息拉取失败！");
                        return null;
                    }
                    if (responseRoot.code != 200)
                    {
                        log.Error("ERROR 状态码：" + responseRoot.code);
                        return null;
                    }
                    pageCount = responseRoot.Data.pageCount;
                    pageIndex = responseRoot.Data.pageIndex;
                    allMaterials.AddRange(responseRoot.Data.recordList);
                    pageIndex = pageIndex + 1;
                }
                while (pageIndex < pageSize);
            }
            catch (Exception ex)
            {
                log.Error("Mes物料信息拉取失败 Error: " + ex);
                return null;
            }

            return allMaterials;
        }

        #endregion

        #region Token获取

        /// <summary>
        /// 获取Token
        /// </summary>
        private async Task<bool> GetToken()
        {
            Dictionary<string, string> _tokenDictionary = new Dictionary<string, string>()
            {
                {"authCode", "QT_XXX"},
                {"appid", "q7cloud_XXX"},
                {"secret", "f434eab8b9652524dc719e33f4ff255a45570XXX"}
            };

            try
            {
                string body = JsonSerializer.Serialize(_tokenDictionary);
                string tokenJson = await PostAsync(_host + "/qtn/api/auth/token", body, "application/json", "application/json", null, 10);
                ResponseRoot<TokenData> responseRoot = JsonSerializer.Deserialize<ResponseRoot<TokenData>>(tokenJson);
                if (responseRoot == null)
                {
                    log.Error("Token获取失败！");
                    return false;
                }
                if (responseRoot.code != 200)
                {
                    log.Error("ERROR 状态码：" + responseRoot.code);
                    return false;
                }
                _token = responseRoot.Data.token;
                _tokenExpirationTime = responseRoot.Data.expiration;
                log.Info("Token获取成功：" + _token + "超时时间：" + _tokenExpirationTime);
                return true;
            }
            catch (Exception ex)
            {
                log.Error("Token获取失败 ERROR: " + ex.ToString());
                return false;
            }
        }

        /// <summary>
        /// 刷新Token
        /// </summary>
        private async Task<bool> RefreshToken()
        {
            try
            {
                string tokenJson = await PostAsync(_host + "/qtn/api/auth/token/refresh", ""
                    , "application/json", "application/x-www-form-urlencoded"
                    , new Dictionary<string, string>() { { "token", _token } }, 10);
                ResponseRoot<TokenData> responseRoot = JsonSerializer.Deserialize<ResponseRoot<TokenData>>(tokenJson);
                if (responseRoot == null)
                {
                    log.Error("Token更新失败！");
                    return false;
                }
                if (responseRoot.code != 200)
                {
                    log.Error("ERROR 状态码：" + responseRoot.code);
                    return false;
                }
                _token = responseRoot.Data.token;
                _tokenExpirationTime = responseRoot.Data.expiration;
                log.Info("Token更新成功：" + _token + "超时时间：" + _tokenExpirationTime);
                return true;
            }
            catch (Exception ex)
            {
                log.Error("Token更新失败 ERROR: " + ex.ToString());
                return false;
            }
        }

        #endregion

        #region HTTP操作

        /// <summary>
        /// 发起POST异步请求
        /// </summary>
        /// <param name="url">请求地址</param>
        /// <param name="body">POST提交的内容</param>
        /// <param name="bodyMediaType">POST内容的媒体类型，如：application/xml、application/json</param>
        /// <param name="responseContentType">HTTP响应上的content-type内容头的值,如：application/xml、application/json、application/text、application/x-www-form-urlencoded等</param>
        /// <param name="headers">请求头信息</param>
        /// <param name="timeOut">请求超时时间，单位秒</param>
        /// <returns>返回string</returns>
        private async Task<string> PostAsync(string url, string body,
            string bodyMediaType = null,
            string responseContentType = null,
            Dictionary<string, string> headers = null,
            int timeOut = 30)
        {
            try
            {
                var hostName = GetHostName(url);
                using (HttpClient client = _httpClientFactory.CreateClient(hostName))
                {
                    client.Timeout = TimeSpan.FromSeconds(timeOut);
                    if (headers?.Count > 0)
                    {
                        foreach (string key in headers.Keys)
                        {
                            client.DefaultRequestHeaders.Add(key, headers[key]);
                        }
                    }
                    StringContent content = new StringContent(body, System.Text.Encoding.UTF8, mediaType: bodyMediaType);
                    if (!string.IsNullOrWhiteSpace(responseContentType))
                    {
                        content.Headers.ContentType = System.Net.Http.Headers.MediaTypeHeaderValue.Parse(responseContentType);
                    }
                    using (HttpResponseMessage response = await client.PostAsync(url, content))
                    {
                        if (response.IsSuccessStatusCode)
                        {
                            string responseString = await response.Content.ReadAsStringAsync();
                            return responseString;
                        }
                        else
                        {
                            return string.Empty;
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                log.Error($"Post请求失败 URL：{url} ERROR: {ex.ToString()} Time: {DateTime.Now}");
                throw;
            }

        }


        /// <summary>
        /// 发起GET异步请求
        /// </summary>
        /// <typeparam name="T">返回类型</typeparam>
        /// <param name="url">请求地址</param>
        /// <param name="headers">请求头信息</param>
        /// <param name="timeOut">请求超时时间，单位秒</param>
        /// <returns>返回string</returns>
        private async Task<string> GetAsync(string url, Dictionary<string, string> headers = null, int timeOut = 30)
        {
            try
            {
                var hostName = GetHostName(url);
                using (HttpClient client = _httpClientFactory.CreateClient(hostName))
                {
                    client.Timeout = TimeSpan.FromSeconds(timeOut);
                    if (headers?.Count > 0)
                    {
                        foreach (string key in headers.Keys)
                        {
                            client.DefaultRequestHeaders.Add(key, headers[key]);
                        }
                    }
                    using (HttpResponseMessage response = await client.GetAsync(url))
                    {
                        if (response.IsSuccessStatusCode)
                        {
                            string responseString = await response.Content.ReadAsStringAsync();
                            return responseString;
                        }
                        else
                        {
                            return string.Empty;
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                log.Error($"Get请求失败 URL：{url} ERROR: {ex.ToString()} Time: {DateTime.Now}");
                throw;
            }
        }



        private async Task Post(string url, Dictionary<string, string> headers = null)
        {
            var hostName = GetHostName(url);
            // 创建 HttpClient 实例
            var client = _httpClientFactory.CreateClient(hostName);

            // 定义要发送的对象
            //var data = new
            //{
            //    Name = "John Doe",
            //    Age = 30,
            //    Email = "john.doe@example.com"
            //};

            // 序列化对象为 JSON
            var json = JsonSerializer.Serialize(headers);

            // 创建 HttpContent，设置内容为 JSON 格式
            var content = new StringContent(json, Encoding.UTF8, "application/json");

            // 发送 POST 请求
            var response = await client.PostAsync(url, content);

            // 检查响应状态码
            if (response.IsSuccessStatusCode)
            {
                // 读取响应内容
                var responseBody = await response.Content.ReadAsStringAsync();
                log.Info($"Response: {responseBody}");
            }
            else
            {
                log.Error($"Error: {response.StatusCode}");
            }
        }

        #endregion

        #region 私有函数

        /// <summary>
        /// 获取请求的主机名
        /// </summary>
        /// <param name="url"></param>
        /// <returns></returns>
        private static string GetHostName(string url)
        {
            if (!string.IsNullOrWhiteSpace(url))
            {
                return url.Replace("https://", "").Replace("http://", "").Split('/')[0];
            }
            else
            {
                return "AnyHost";
            }
        }

        #endregion


    }
}