using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Net.Http;
using System.Configuration;
using System.Windows.Forms;
using System.Net;

using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using HXX.Scanner.Common;
using HXX.Scanner.Biz;

namespace HXX.Scanner.Starter
{
    class biz
    {
        public static async Task<ResponseEntity<entity_upgrade_info>> get_version_info()
        {
            ResponseEntity<entity_upgrade_info> result = new ResponseEntity<entity_upgrade_info>();

            try
            {
                ServicePointManager.SecurityProtocol =
                SecurityProtocolType.Ssl3 |
                SecurityProtocolType.Tls |
                SecurityProtocolType.Tls11 |
                SecurityProtocolType.Tls12;

                var url = GetConfig().AppSettings.Settings["url_upgrade_formal"].Value;
                //var url = "https://dev3.k12100.net/teaching/api/v1/client/find_last_version";          
              
                HttpResponseMessage response = await new HttpClient().GetAsync(url);
                response.EnsureSuccessStatusCode();

                var http_response = await response.Content.ReadAsStringAsync();

                var data = JsonConvert.DeserializeObject<entity_upgrade_info>(http_response);
               
                if (data.code == 200 || data.code == 500 || data.code == 401)
                {
                    if (data.data != null)
                    {
                        result.Status = 1;
                        result.Message = "ok";
                        result.Data = data;
                    }
                    else
                    {
                        result.Status = 0;
                        result.Message = "获取升级信息失败";
                        result.Data = data;
                    }
                }
                else
                {
                    result.Status = 0;
                    result.Message = "获取升级信息失败";
                    result.Data = data;
                }
            }
            catch (Exception ee)
            {
                result.Status = 0;
                result.Message = "获取升级信息失败" + Environment.NewLine + ee.Message;
            }

            return result;
        }

        public static bool check_new_version(entity_sub_upgrade_info info)
        {
            string str_current_version = GetConfig().AppSettings.Settings["appVersion"].Value;
            string str_server_version = info.version;

            info.current_version = str_current_version;

            Version v1 = new Version(str_current_version);
            Version v2 = new Version(str_server_version);

            if (v2 > v1)
            {
                return true;
            }
            else
            {
                return false;
            }
        }

        public static Configuration GetConfig()
        {
            string Path = System.IO.Directory.GetCurrentDirectory();
          
            string FullName = Path + @"\HXXScannerClient.exe.config";
           
            ExeConfigurationFileMap fileMap = new ExeConfigurationFileMap();
           
            fileMap.ExeConfigFilename = FullName;

            Configuration cfg = null;
            try
            {
                cfg = ConfigurationManager.OpenMappedExeConfiguration(fileMap, ConfigurationUserLevel.None);               
            }
            catch
            {
            }

            return cfg;
        }
    }
}