using DemoUI.Common;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;
using System.Xml;

namespace DemoUI
{
	class VersionUpdate
	{
		/// <summary>
		/// 版本更新
		/// </summary>
		public static void UpdateVersion()
		{
			string downUrl = "";
			QMLog log = new QMLog();
			try
			{
				string filepath = AppInit.GetApp().AppConfig.SmallBackUrl + @"/update/update.xml";
				//下载更新XML
				WebClientPro mywebclient = new WebClientPro(5000);
				string downloadPath = AppInit.GetApp().AppConfig.DownloadUrlXML + @"/temp/update.xml";
				if (!Directory.Exists(AppInit.GetApp().AppConfig.DownloadUrlXML + @"/temp/"))
				{
					Directory.CreateDirectory(AppInit.GetApp().AppConfig.DownloadUrlXML + @"/temp/");
				}
				mywebclient.DownloadFile(filepath, downloadPath);
				//解析更新XML,读取信息
				XmlDocument xmlDoc = new XmlDocument();
				string xmlString = ReadContext(downloadPath);
				xmlDoc.LoadXml(xmlString);
				var updateVersion = xmlDoc.SelectSingleNode("//updateVersion");
				if (updateVersion != null)
				{
					double version = Convert.ToDouble(updateVersion.InnerXml);
					double nowVersion = Convert.ToDouble(AppInit.GetApp().AppConfig.updateVersion);
					if (version > nowVersion)
					{
						////更新App.config中的版本号
						AppInit.SetConfig("updateVersion", updateVersion.InnerXml);
						string fullName = AppInit.GetApp().AppConfig.CurrentPath + "../Update/update.exe";
						var processInfo = new ProcessStartInfo(fullName);
						processInfo.WindowStyle = ProcessWindowStyle.Hidden;
						processInfo.UseShellExecute = false;
						processInfo.WorkingDirectory = Path.GetDirectoryName(fullName);
						Process.Start(processInfo);
						Environment.Exit(0);
						return;
					}
				}
				//var list = xmlDoc.SelectNodes("//Version");
			}
			catch (Exception ex)
			{
				log.WriteLogFile("更新版本出错(" + downUrl + "):" + ex.Message + "|" + ex.StackTrace, "versionUpdate");
			}
		}

		private static string ReadContext(string path)
		{
			FileStream fs = new FileStream(path, FileMode.Open);
			StreamReader sr = new StreamReader(fs, System.Text.Encoding.UTF8);

			string context = sr.ReadToEnd();
			fs.Close();
			sr.Close();
			sr.Dispose();
			fs.Dispose();

			return context;
		}
	}
	/// <summary>
	/// 系统初始化
	/// </summary>
	public class AppInit
	{
		static AppInit _instance = null;
		public Config AppConfig { get; private set; }
		private AppInit()
		{
			InitConfig();
		}
		public static AppInit GetApp()
		{
			if (_instance == null)
			{
				_instance = new AppInit();
			}
			return _instance;
		}
		/// <summary>
		/// 初始化配置文件
		/// </summary>
		public void InitConfig()
		{
			try
			{
				AppConfig = new Config();
				DirectoryInfo di = new DirectoryInfo(AppDomain.CurrentDomain.BaseDirectory);
				//初始化配置参数，因参数暂时较少，可手动填装，若后期配置项变多，可分一个专门的JSON配置文件出来，使用JsonConvert.DeserializeObject<Config>(System.IO.File.ReadAllText(ConfigPath))进行实体填充
				//AppConfig.ServiceName = ConfigurationManager.AppSettings["ServiceName"];//服务名称
				//AppConfig.ServiceDescribe = ConfigurationManager.AppSettings["ServiceDescirbe"];//服务描述
				//AppConfig.ApiUrl = ConfigurationManager.AppSettings["ApiUrl"];//请求的接口地址
				//AppConfig.BigBackUrl = ConfigurationManager.AppSettings["BigBackUrl"];//大后台地址
				AppConfig.SmallBackUrl = ConfigurationManager.AppSettings["HttpUrl"];//后台地址
				AppConfig.updateVersion = ConfigurationManager.AppSettings["updateVersion"];//版本号

				AppConfig.DownloadUrlXML = ConfigurationManager.AppSettings["DownloadUrlXML"];//XML下载路径        
				AppConfig.ParentPath = di.Parent.FullName;//当前路径
				AppConfig.CurrentPath = di.FullName;//当前路径
				AppConfig.UpdateReleasePath = di.Parent.FullName + ConfigurationManager.AppSettings["UpdateReleasePath"];//更新包解压路径     

			}
			catch (Exception e)
			{
				throw e;
			}
		}

		public static bool SetConfig(string Key, string Value)
		{
			try
			{
				Configuration config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
				if (config.AppSettings.Settings[Key] != null)
					config.AppSettings.Settings[Key].Value = Value;
				else
					config.AppSettings.Settings.Add(Key, Value);
				config.Save(ConfigurationSaveMode.Modified);
				ConfigurationManager.RefreshSection("appSettings");
				return true;
			}
			catch
			{
				return false;
			}
		}
	}

	/// <summary>
	/// 配置项
	/// </summary>
	public class Config
	{
		/// <summary>
		/// 服务名称
		/// </summary>
		public string ServiceName { get; set; }

		/// <summary>
		/// 服务描述
		/// </summary>
		public string ServiceDescribe { get; set; }

		/// <summary>
		/// 接口地址
		/// </summary>
		public string ApiUrl { get; set; }

		/// <summary>
		/// 大后台地址
		/// </summary>
		public string BigBackUrl { get; set; }

		/// <summary>
		/// 小后台地址
		/// </summary>
		public string SmallBackUrl { get; set; }

		/// <summary>
		/// 下载图片文件夹路径
		/// </summary>
		public string DownloadUrlImage { get; set; }


		/// <summary>
		/// 正式图片文件夹路径
		/// </summary>
		public string FormalUrlImage { get; set; }

		/// <summary>
		/// 下载Json文件夹路径
		/// </summary>
		public string DownloadUrlJson { get; set; }

		/// <summary>
		/// 正式Json文件夹路径
		/// </summary>
		public string FormalUrlJson { get; set; }

		/// <summary>
		/// Json文件名
		/// </summary>
		public string JsonFileName { get; set; }

		/// <summary>
		/// 离线应用版本号
		/// </summary>
		public string updateVersion { get; set; }

		/// <summary>
		/// 版本号
		/// </summary>
		public string Version { get; set; }

		/// <summary>
		/// 版本类型(横板H/竖版S)
		/// </summary>
		public string VersionType { get; set; }

		/// <summary>
		/// 更新XML文件下载地址
		/// </summary>
		public string DownloadUrlXML { get; set; }

		/// <summary>
		/// 当前路径
		/// </summary>
		public string CurrentPath { get; set; }
		/// <summary>
		/// 父目录
		/// </summary>
		public string ParentPath { get; set; }
		/// <summary>
		/// 更新包解压路径
		/// </summary>
		public string UpdateReleasePath { get; set; }

		/// <summary>
		/// 正式DIST路径
		/// </summary>
		public string FormalDistPath { get; set; }

		/// <summary>
		/// 备份DIST路径
		/// </summary>
		public string BackDistPath { get; set; }
	}
}