using LogLibrary.Log;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using System.Xml;
using WIDESEA.Common;
using Formatting = System.Xml.Formatting;

namespace WIDESEA_Common;

public class HttpsClient
{
    private static readonly LogFactory LogFactory = new LogFactory();

    // 封装一个用HttpClient发送GET请求的方法有参数
    public static async Task<string> GetAsync(string url, Dictionary<string, object> parameters)
    {
        // 记录请求参数
        LogRequestParameters(parameters, url);

        // 将参数拼接到URL中
        string queryString = string.Join("&", parameters.Select(x => $"{x.Key}={x.Value}"));
        url += "?" + queryString;

        // 创建HttpClient实例
        using (HttpClient client = new HttpClient())
        {
            // 发送GET请求并获取响应
            HttpResponseMessage response = await client.GetAsync(url);

            // 确保响应成功
            response.EnsureSuccessStatusCode();

            // 读取响应内容
            string responseBody = await response.Content.ReadAsStringAsync();

            // 记录响应参数
            LogResponseParameters(responseBody, url);

            // 返回响应内容
            return responseBody;
        }
    }

    // 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();
    // 封装一个用HttpClient发送Post请求的方法有参数
    public static async Task<string> PostAsync(string url, Dictionary<string, object> parameters)
    {
        // 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 = $"{url}:{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(10))
            {
                // 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);
        }


        // 记录请求参数
        LogRequestParameters(parameters, url);

        // 创建HttpClient实例
        using (HttpClient client = new HttpClient())
        {
            // 将参数转换为FormUrlEncodedContent
            //string content = JsonConvert.SerializeObject(parameters);
            var content = new FormUrlEncodedContent(ConvertToKeyValuePairs(parameters));

            //client.Timeout = TimeSpan.from;

            var request = new HttpRequestMessage(HttpMethod.Post, url);
            request.Content = content;

            //request.Content = new StringContent(content, Encoding.UTF8, "application/json");

            //// 发送POST请求并获取响应
            //HttpResponseMessage response = await client.PostAsync(url, content);
            HttpResponseMessage response = await client.SendAsync(request);

            // 确保响应成功
            response.EnsureSuccessStatusCode();

            // 读取响应内容
            string responseBody = await response.Content.ReadAsStringAsync();

            // 记录响应参数
            LogResponseParameters(responseBody, url);

            // 返回响应内容
            return responseBody;
        }
    }

    // 封装一个用HttpClient发送Post请求的方法有参数
    public static string Post(string url)
    {
        // 记录请求参数
        //LogRequestParameters(null, url);

        // 创建HttpClient实例
        using (HttpClient client = new HttpClient())
        {
            // 将参数转换为FormUrlEncodedContent
            //string content = JsonConvert.SerializeObject(parameters);
            //var content = new FormUrlEncodedContent(ConvertToKeyValuePairs(parameters));

            //client.Timeout = TimeSpan.from;

            var request = new HttpRequestMessage(HttpMethod.Post, url);
            //request.Content = content;

            //request.Content = new StringContent(content, Encoding.UTF8, "application/json");

            //// 发送POST请求并获取响应
            //HttpResponseMessage response = await client.PostAsync(url, content);
            HttpResponseMessage response = client.Send(request);

            // 确保响应成功
            response.EnsureSuccessStatusCode();
            // 读取响应内容
            Stream stream = response.Content.ReadAsStream();
            StreamReader streamReader = new StreamReader(stream);
            string webResponse = streamReader.ReadToEnd();

            // 记录响应参数
            LogResponseParameters(webResponse, url);

            // 返回响应内容
            return webResponse;
        }
    }

    public static string PostXml(string url, Dictionary<string, object> parameters)
    {
        // 记录请求参数
        LogRequestParameters(parameters, url);

        // 创建HttpClient实例
        using (HttpClient client = new HttpClient())
        {
            // 将参数转换为FormUrlEncodedContent
            //string content = JsonConvert.SerializeObject(parameters);
            var content = new FormUrlEncodedContent(ConvertToKeyValuePairs(parameters));

            //十秒超时
            client.Timeout = new TimeSpan(0, 0, 10);

            var request = new HttpRequestMessage(HttpMethod.Post, url);
            request.Content = content;

            //request.Content = new StringContent(content, Encoding.UTF8, "application/json");

            //// 发送POST请求并获取响应
            //HttpResponseMessage response = await client.PostAsync(url, content);
            HttpResponseMessage response = client.Send(request);

            // 确保响应成功
            response.EnsureSuccessStatusCode();
            //string xmlContent = await response.Content.ReadAsStringAsync();

            // 读取响应内容
            Stream stream = response.Content.ReadAsStream();
            StreamReader streamReader = new StreamReader(stream);
            string respon = streamReader.ReadToEnd();

            //string webResponse = XmlToJson(respon);

            string webResponse = ReplaceXmlStyle(respon);

            // 读取响应内容
            //Stream stream = response.Content.ReadAsStream();
            //StreamReader streamReader = new StreamReader(stream);
            //string webResponse = streamReader.ReadToEnd();

            // 记录响应参数
            LogResponseParameters(webResponse, url);

            // 返回响应内容
            return webResponse;
        }
    }

    static string XmlToJson(string xmlContent)
    {
        // 提取内层 XML 内容
        int startIndex = xmlContent.IndexOf("<?xml");
        string innerXml = xmlContent.Substring(startIndex);
        // 去除外层多余的内容（假设外层只有 <string> 相关内容）
        innerXml = Regex.Replace(innerXml, @"^.*?<ROOT>", "<ROOT>");

        // 去除内层 XML 声明
        innerXml = innerXml.Replace("<?xml version=\"1.0\" encoding=\"utf-8\"?>", "");
        innerXml = innerXml.Replace("<string xmlns=\"http://tempuri.org/\">", "");

        innerXml = innerXml.Replace("<?xml version=\"1.0\" encoding=\"GB2312\"?>", "");
        // 处理转义字符
        innerXml = innerXml.Replace("&lt;", "<");
        innerXml = innerXml.Replace("&gt;", ">");
        innerXml = innerXml.Replace("</string>", "");

        innerXml = innerXml.Replace("<?xml version=\"1.0\" encoding=\"GB2312\"?>", "");

        //innerXml = innerXml.Replace("<ROOT>", "");
        //innerXml = innerXml.Replace("</ROOT>", "");

        XmlDocument xmlDoc = new XmlDocument();
        xmlDoc.LoadXml(innerXml);

        // 将XML转换为JSON
        string json = JsonConvert.SerializeXmlNode(xmlDoc);

        return json;
    }

    static string ReplaceXmlStyle(string xmlContent)
    {
        // 提取内层 XML 内容
        int startIndex = xmlContent.IndexOf("<?xml");
        string innerXml = xmlContent.Substring(startIndex);
        // 去除外层多余的内容（假设外层只有 <string> 相关内容）
        innerXml = Regex.Replace(innerXml, @"^.*?<ROOT>", "<ROOT>");

        // 去除内层 XML 声明
        innerXml = innerXml.Replace("<?xml version=\"1.0\" encoding=\"utf-8\"?>", "");
        innerXml = innerXml.Replace("<string xmlns=\"http://tempuri.org/\">", "");

        innerXml = innerXml.Replace("<?xml version=\"1.0\" encoding=\"GB2312\"?>", "");
        // 处理转义字符
        innerXml = innerXml.Replace("&lt;", "<");
        innerXml = innerXml.Replace("&gt;", ">");
        innerXml = innerXml.Replace("</string>", "");

        innerXml = innerXml.Replace("<?xml version=\"1.0\" encoding=\"GB2312\"?>", "");

        //innerXml = innerXml.Replace("<ROOT>", "");
        //innerXml = innerXml.Replace("</ROOT>", "");

        XmlDocument xmlDoc = new XmlDocument();
        xmlDoc.LoadXml(innerXml);

        return xmlDoc.InnerXml;
        //return xmlContent;
    }


    private static void LogRequestParameters(Dictionary<string, object> parameters, string url = "")
    {
        StringBuilder builder = new StringBuilder();
        builder.Append(Environment.NewLine);
        builder.Append("---------------------------------------------");
        builder.Append(Environment.NewLine);
        builder.Append("url:" + url + "请求参数: " + JsonConvert.SerializeObject(parameters));
        LogFactory.GetLog("API接口").Info(true, builder);
    }

    private static void LogResponseParameters(string responseBody, string url = "")
    {
        StringBuilder builder = new StringBuilder();
        builder.Append(Environment.NewLine);
        builder.Append("url:" + url + "响应参数: " + responseBody);
        builder.Append(Environment.NewLine);
        builder.Append("---------------------------------------------");
        builder.Append(Environment.NewLine);
        LogFactory.GetLog("API接口").Info(true, builder);
    }

    private static IEnumerable<KeyValuePair<string, string>> ConvertToKeyValuePairs(Dictionary<string, object> parameters)
    {
        foreach (var kvp in parameters)
        {
            yield return new KeyValuePair<string, string>(kvp.Key, kvp.Value?.ToString());
        }
    }

}