using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Http.Headers;
using System.Text;
using System.Threading.Tasks;
using WIDESEA_Core.LogHelper;

namespace WIDESEA_Core.Helper
{
    public class HttpHelper
    {
        public static async Task<string> GetAsync(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 = await httpClient.GetAsync(serviceAddress).Result.Content.ReadAsStringAsync();
                return result;
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
            }
            return null;
        }

        public static async Task<string> PostAsync(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 = 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;
        }

        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 = 30 * 1000;
                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());
                }

                Logger1.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)
            {
                Logger1.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;
            }
        }
    }
}