using Newtonsoft.Json;
using System.Net;
using System.Net.Http.Headers;
using System.Text;
using WIDESEA_Common.Log;

namespace WIDESEA_Comm.Http
{
    public class HttpHelper
    {
        private const int Timeout = 10 * 1000;


        public static async Task<string> GetAsync(string serviceAddress, Dictionary<string, object> parameters, string contentType = "application/json", Dictionary<string, string>? headers = null)
        {
            try
            {
                string result = string.Empty;
                using HttpClient httpClient = new HttpClient();
                httpClient.Timeout = new TimeSpan(0, 0, 60);
                // 将参数拼接到URL中
                string queryString = string.Join("&", parameters.Select(x => $"{x.Key}={x.Value}"));
                serviceAddress += "?" + queryString;

                if (headers != null)
                {
                    foreach (var header in headers)
                        httpClient.DefaultRequestHeaders.Add(header.Key, header.Value);
                }

                result = await httpClient.GetAsync(serviceAddress).Result.Content.ReadAsStringAsync();
                return result;
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
            }
            return null;
        }


        // 用于追踪每个请求的调用次数和最后请求时间。
        private static readonly Dictionary<string, (int Count, DateTime LastRequestTime)> requestTracker = new();

        public static async Task<string> PostAsync(string serviceAddress, string requestJson = null, string contentType = "application/json", Dictionary<string, string>? headers = null)
        {
            try
            {
                if (serviceAddress.Contains("http://c24-cellmi3:12020"))
                {
                    // 将 JSON 字符串转换为字典
                    var parameters = JsonConvert.DeserializeObject<Dictionary<string, object>>(requestJson);

                    // 创建一个新的字典，排除 RequestTime 和 SessionId
                    var filteredParameters = parameters.Where(p => p.Key != "RequestTime" && p.Key != "SessionId").ToDictionary(p => p.Key, p => p.Value);

                    string requestKey = $"{serviceAddress}:{JsonConvert.SerializeObject(filteredParameters)}";

                    // 检查请求次数和时间限制
                    if (requestTracker.TryGetValue(requestKey, out var requestInfo))
                    {
                        if (requestInfo.Count >= 5 && DateTime.Now < requestInfo.LastRequestTime.AddMinutes(3))
                        {
                            // 如果请求次数超过限制且未超过10分钟，抛出异常
                            throw new InvalidOperationException("请求次数已达到限制，请稍后再试。");
                        }
                    }

                    // 更新请求跟踪信息
                    if (requestTracker.ContainsKey(requestKey))
                    {
                        requestTracker[requestKey] = (requestInfo.Count + 1, DateTime.Now);
                    }
                    else
                    {
                        requestTracker[requestKey] = (1, DateTime.Now);
                    }
                }
                string result = string.Empty;
                using (HttpContent httpContent = new StringContent(requestJson))
                {
                    httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");
                    using HttpClient httpClient = new HttpClient();
                    httpClient.Timeout = new TimeSpan(0, 0, 120);

                    if (headers != null)
                    {
                        foreach (var header in headers)
                            httpClient.DefaultRequestHeaders.Add(header.Key, header.Value);
                    }
                    result = await httpClient.PostAsync(serviceAddress, httpContent).Result.Content.ReadAsStringAsync();
                }
                return result;
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
            }
            return null;
        }

        public static string Get(string serviceAddress, string contentType = "application/json", Dictionary<string, string>? headers = null)
        {
            try
            {
                string result = string.Empty;
                using HttpClient httpClient = new HttpClient();
                httpClient.Timeout = new TimeSpan(0, 0, 60);

                foreach (var header in headers)
                    httpClient.DefaultRequestHeaders.Add(header.Key, header.Value);

                result = httpClient.GetStringAsync(serviceAddress).Result;
                return result;
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
            }
            return null;
        }

        public static string Post(string serviceAddress, string requestJson = null, string contentType = "application/json", Dictionary<string, string>? headers = null)
        {
            try
            {
                string result = string.Empty;
                using (HttpContent httpContent = new StringContent(requestJson))
                {
                    httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");
                    using HttpClient httpClient = new HttpClient();
                    httpClient.Timeout = new TimeSpan(0, 0, 60);

                    foreach (var header in headers)
                        httpClient.DefaultRequestHeaders.Add(header.Key, header.Value);

                    result = httpClient.PostAsync(serviceAddress, httpContent).Result.Content.ReadAsStringAsync().Result;
                }
                return result;
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
            }
            return null;
        }

        /// <summary>
        /// post请求
        /// </summary>
        /// <param name="url"></param>
        /// <param name="parm">参数</param>
        /// <param name="rquestName">接口名称,用于日志分类</param>
        /// <returns></returns>
        public static string Post(string url, object parm, string rquestName = "")
        {
            HttpWebResponse response = null;
            StreamReader resultReader = null;
            string responseContent = string.Empty;
            try
            {
                HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
                request.Timeout = Timeout;
                request.Method = "POST";
                request.ContentType = "application/json; charset=UTF-8";
                parm = parm ?? "";
                byte[] data = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(parm));
                request.ContentLength = data.Length;
                using (Stream newStream = request.GetRequestStream())
                {
                    newStream.Write(data, 0, data.Length);
                };

                response = (HttpWebResponse)request.GetResponse();
                Stream webStream = response.GetResponseStream();
                if (webStream == null)
                {
                    throw new Exception("Network error");
                }

                int statsCode = (int)response.StatusCode;
                resultReader = new StreamReader(webStream, Encoding.UTF8);
                responseContent = resultReader.ReadToEnd();

                if (response != null)
                    response.Close();
                if (resultReader != null)
                    resultReader.Close();

                if (statsCode != 200)
                {
                    throw new Exception("异常，响应码：" + statsCode.ToString());
                }

                //WriteLog.Write_Log("System/API请求", rquestName, "请求成功", new { 请求报文 = parm, 接收报文 = responseContent });
                return responseContent;
            }
            catch (Exception ex)
            {
                WriteLog.Write_Log("System/API请求", rquestName, "请求异常", new { 请求报文 = parm, 接收报文 = responseContent, 错误 = ex.Message });
                throw ex;
            }
        }

        /// <summary>
        /// post请求
        /// </summary>
        /// <param name="url"></param>
        /// <param name="parm">参数</param>
        /// <param name="rquestName">接口名称,用于日志分类</param>
        /// <returns></returns>
        public static T Post<T>(string url, object parm, string rquestName = "") where T : class
        {
            HttpWebResponse response = null;
            StreamReader resultReader = null;
            string responseContent = string.Empty;
            try
            {
                HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
                request.Timeout = Timeout;
                request.Method = "POST";
                request.ContentType = "application/json; charset=UTF-8";
                parm = parm ?? "";
                byte[] data = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(parm));
                request.ContentLength = data.Length;
                using (Stream newStream = request.GetRequestStream())
                {
                    newStream.Write(data, 0, data.Length);
                };

                response = (HttpWebResponse)request.GetResponse();
                Stream webStream = response.GetResponseStream();
                if (webStream == null)
                {
                    throw new Exception("Network error");
                }

                int statsCode = (int)response.StatusCode;
                resultReader = new StreamReader(webStream, Encoding.UTF8);
                responseContent = resultReader.ReadToEnd();

                if (response != null)
                    response.Close();
                if (resultReader != null)
                    resultReader.Close();

                if (statsCode != 200)
                {
                    throw new Exception("异常，响应码：" + statsCode.ToString());
                }

                //WriteLog.Write_Log("System/API请求", rquestName, "请求成功", new { 请求报文 = parm, 接收报文 = responseContent });
                return JsonConvert.DeserializeObject<T>(responseContent);
            }
            catch (Exception ex)
            {
                WriteLog.Write_Log("System/API请求", rquestName, "请求异常", new { 请求报文 = parm, 接收报文 = responseContent, 错误 = ex.Message });
                throw ex;
            }
        }


        /// <summary>
        /// get请求
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="url"></param>
        /// <param name="parm">请求参数，添加在url</param>
        /// <param name="rquestName"></param>
        /// <returns></returns>
        public static T Get<T>(string url, object parm = null, string rquestName = "") where T : class
        {
            HttpWebResponse response = null;
            StreamReader resultReader = null;
            string responseContent = string.Empty;
            try
            {
                if (parm != null)
                {
                    var datas = JsonConvert.DeserializeObject<Dictionary<string, string>>(JsonConvert.SerializeObject(parm));
                    var keyList = datas.Keys;
                    int index = 0;
                    foreach (var key in datas.Keys)
                    {
                        if (index == 0)
                        {
                            url += $"?{key}={datas[key]}";
                        }
                        else
                        {
                            url += $"&{key}={datas[key]}";
                        }
                        index++;
                    }
                }
                HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
                request.Timeout = Timeout;
                request.Method = "GET";
                request.ContentType = "application/json; charset=UTF-8";

                response = (HttpWebResponse)request.GetResponse();
                Stream webStream = response.GetResponseStream();
                if (webStream == null)
                {
                    throw new Exception("Network error");
                }

                int statsCode = (int)response.StatusCode;
                resultReader = new StreamReader(webStream, Encoding.UTF8);
                responseContent = resultReader.ReadToEnd();

                if (response != null)
                    response.Close();
                if (resultReader != null)
                    resultReader.Close();

                if (statsCode != 200)
                {
                    throw new Exception("异常，响应码：" + statsCode.ToString());
                }

                WriteLog.Write_Log("System/API请求", rquestName, "请求成功", new { 请求报文 = parm, 接收报文 = responseContent });
                return JsonConvert.DeserializeObject<T>(responseContent);
            }
            catch (Exception ex)
            {
                WriteLog.Write_Log("System/API请求", rquestName, "请求异常", new { 请求报文 = parm, 接收报文 = responseContent, 错误 = ex.Message });
                throw ex;
            }
        }

    }
}