using Newtonsoft.Json.Linq;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Text;
using System.Threading.Tasks;
using CPF.Controls;
using AKSWebBrowser.Commen;
using System.Collections;

namespace AksWebBrowser.Common
{
    public class ChunkedUpload
    {
        private readonly HttpClient _httpClient;
        public static string callback = string.Empty;
        public ChunkedUpload(HttpClient httpClient)
        {
            _httpClient = httpClient;
        }

        public async Task<string> UploadFileAsync(string url, string filePath)
        {
            string ret = string.Empty;
            using (var fileStream = new FileStream(filePath, FileMode.Open, FileAccess.Read))
            {
                FileInfo fileInfo = new FileInfo(filePath);
                int totalParts = 1;
                int chunkNumber = 1;
                // 读取文件流其实位置
                var fileStreamPos = 0;
                var uploadUrl = $"{url}?partNumber={chunkNumber}&chunks={totalParts}&size={fileInfo.Length}&start={fileStreamPos}&end={fileInfo.Length}&total={fileInfo.Length}&FileName={Path.GetFileName(filePath)}";

                using (var client = new HttpClient())
                {

                    var formData = new MultipartFormDataContent();
                    formData.Add(new StreamContent(fileStream, (int)fileStream.Length), "file", Path.GetFileName(filePath) + ".partNumber-1");
                    var response = await client.PostAsync(uploadUrl, formData);
                    var responseString = await response.Content.ReadAsStringAsync();
                    fileStream.Close();
                    fileStream.Dispose();
                    ret = responseString;
                    JObject jo = (JObject)JsonConvert.DeserializeObject(ret);
                    if (Convert.ToBoolean(jo["IsSucceed"].ToString()) == true)
                    {
                        string result = jo["result"].ToString();
                        JObject jo1 = (JObject)JsonConvert.DeserializeObject(result);
                        ret = jo1["url"].ToString();
                    }
                }
            }
            return ret;
        }

        /// <summary>
        /// get请求 Task<string>
        /// </summary>
        /// <returns></returns>

        public async Task<string> getReq(string query)
        {
            string ret = string.Empty;
            using (var httpClient = new HttpClient())
            {
                // 构建带参数的请求URI
                var uri = Parame.gpyUrl + query;
                try
                {
                    // 发送GET请求
                    HttpResponseMessage response = await httpClient.GetAsync(uri);
                    response.EnsureSuccessStatusCode();
                    if (response.StatusCode.ToString() == "OK")
                    {
                        // 读取响应内容
                        string body = await response.Content.ReadAsStringAsync();
                        ret = body;
                    }
                }
                catch (HttpRequestException e)
                {
                    Log.Error(" get请求： " + e.Message);
                }
            }
            return ret;
        }

        /// <summary>
        /// 获取签字版数据
        /// </summary>
        /// <returns></returns>
        public async Task PostSign(string type, string _callback)
        {
            try
            {
                callback = _callback;
                var client = new HttpClient();
                var request = new HttpRequestMessage(HttpMethod.Post, Parame.signUrl);
                var content = new StringContent("{\r\n command: \"sign\",\r\n        command_num: 111,\r\n        data: {\r\n            operation: \"" + type + "\",\r\n            operation_code: 1,\r\n            parameters: {\r\n                data_type: 1,\r\n                title_name: \"\",\r\n            }\r\n        }\r\n    }", null, "text/plain");
                request.Content = content;
                var response = await client.SendAsync(request);
                response.EnsureSuccessStatusCode();
                if (response.StatusCode.ToString() == "OK")
                {
                    // 读取响应内容
                    string body = await response.Content.ReadAsStringAsync();
                    Log.Info(body);
                }
            }
            catch (Exception ex)
            {
                Log.Error("签字版post请求： " + ex.Message);
            }
        }
    }
}