using COSXML.Auth;
using COSXML.CosException;
using COSXML.Model.Object;
using COSXML;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Text;
using Newtonsoft.Json;
using System.Windows.Markup;
using System;
using System.Security.Cryptography;
using System.Diagnostics;

namespace Program
{
    class Updater
    {
        public static string Dir = Directory.GetCurrentDirectory();
        public static string InstallerName = "Installer.exe";
        public static string jsonKey = "installerHash.json";
        public static string KeyHead = "Installer/";

        public static bool UpdateInstaller()
        {
            string json;
            try
            {
                using (StreamReader r = new StreamReader(System.IO.Path.Combine(Dir, "updateList.json")))
                    json = r.ReadToEnd();
                json = json.Replace("\r", string.Empty).Replace("\n", string.Empty);
                List<string> jsonList = JsonConvert.DeserializeObject<List<string>>(json);
                foreach (string todo in jsonList)
                {
                    File.Delete(Path.Combine(Dir, todo));
                    download(Path.Combine(Dir, todo), KeyHead + todo);
                }
            }
            catch
            {
                return false;
            }
            return true;
        }

        public static void download(string download_dir, string key)
        {
            // download_dir标记根文件夹路径，key为相对根文件夹的路径（不带./）
            // 初始化CosXmlConfig（提供配置SDK接口）
            string appid = "1314234950";   // 设置腾讯云账户的账户标识（APPID）
            string region = "ap-beijing";  // 设置一个默认的存储桶地域
            CosXmlConfig config = new CosXmlConfig.Builder()
                                      .IsHttps(true)      // 设置默认 HTTPS 请求
                                      .SetAppid(appid)    // 设置腾讯云账户的账户标识 APPID
                                      .SetRegion(region)  // 设置一个默认的存储桶地域
                                      .SetDebugLog(true)  // 显示日志
                                      .Build();           // 创建 CosXmlConfig 对象

            // 永久密钥访问凭证
            string secretId = "***"; //"云 API 密钥 SecretId";
            string secretKey = "***"; //"云 API 密钥 SecretKey";

            long durationSecond = 1000;  // 每次请求签名有效时长，单位为秒
            QCloudCredentialProvider cosCredentialProvider = new DefaultQCloudCredentialProvider(
                secretId, secretKey, durationSecond
            );
            // 初始化 CosXmlServer
            CosXmlServer cosXml = new CosXmlServer(config, cosCredentialProvider);

            // 创建存储桶
            try
            {
                string bucket = "thuai6-1314234950";                              // 格式：BucketName-APPID
                string localDir = System.IO.Path.GetDirectoryName(download_dir);  // 本地文件夹
                string localFileName = System.IO.Path.GetFileName(download_dir);  // 指定本地保存的文件名
                GetObjectRequest request = new GetObjectRequest(bucket, key, localDir, localFileName);

                Dictionary<string, string> test = request.GetRequestHeaders();
                request.SetCosProgressCallback(delegate (long completed, long total)
                {
                    //Console.WriteLine(String.Format("progress = {0:##.##}%", completed * 100.0 / total));
                });
                // 执行请求
                GetObjectResult result = cosXml.GetObject(request);
                // 请求成功
            }
            catch (CosClientException clientEx)
            {
                throw clientEx;
            }
            catch (CosServerException serverEx)
            {
                throw serverEx;
            }
        }
    }
}