using System;
using System.Threading;
using System.IO;
using MonitorSystem.FtpClient;
using MonitorSystem.BasicClass;

namespace MonitorSystem.MonitorCenter
{
	/// <summary>
	/// ScanFTPThread 的摘要說明。
	/// </summary>
	public class ScanFTPThread
	{
		private Thread m_Thread;
		private bool m_Pause;
		private bool m_Exit;

		private FileSystemWatcher FileWatcher;
		private static LogFileQueue m_InitLogQueue;
		private static ConfigFile m_ConfigFile;
		private SystemLog m_SysLog;
		private FTPClass ftpClient;
		private FTPSite InterftpSite;

		private string WatchDir;				//設定監控產生LOG文件的目錄	
		private string WatchFilter;			//監控目錄文件過濾器

		public void Init(ref LogFileQueue iLogFileQueue, ref ConfigFile iConfigFile)
		{
			m_InitLogQueue = iLogFileQueue;
			m_ConfigFile = iConfigFile;
			m_SysLog = new SystemLog();
		}

		public void Run()
		{
			try
			{

				WatchDir = m_ConfigFile.MonitorLogPath ;
				if(WatchDir[WatchDir.Length-1]!='\\')
					WatchDir+="\\";
				WatchFilter = m_ConfigFile.MonitorLogFilter;
							
				FileWatcher = new FileSystemWatcher();
				FileWatcher.Path = WatchDir;	// 通過配置文件來進行指定 
				FileWatcher.Filter = WatchFilter;	
				FileWatcher.NotifyFilter = NotifyFilters.LastAccess | NotifyFilters.LastWrite 
					| NotifyFilters.FileName | NotifyFilters.DirectoryName;
				// 添加事件響應，監控到LOG目錄有新文件產生時，將文件名加入待處理隊列
				FileWatcher.Created += new FileSystemEventHandler(OnChanged);
				FileWatcher.EnableRaisingEvents = true;	

				while(true)
				{
					#region 控制標志
					while(m_Pause)
					{
						try
						{
							Thread.Sleep(1000);
						}
						catch(Exception)
						{						
						}
						continue;
					}
					if(m_Exit)
					{
						break;
					}
					#endregion

					#region 下載SP流量文件
					try
					{
						InterftpSite = new FTPSite();
						ftpClient = new FTPClass();
						ftpClient.setRemoteHost(m_ConfigFile.InterfaceIP);
						ftpClient.setRemotePort(m_ConfigFile.InterfacePort);
						ftpClient.setRemoteUser(m_ConfigFile.FtpUser);
						ftpClient.setRemotePass(m_ConfigFile.FtpPsw);
						ftpClient.setRemotePath(m_ConfigFile.Download_Path);

						InterftpSite.FTPControl=ftpClient;

						

						string[] fileList = InterftpSite.GetFileListFromRemote("CNT????????????.txt",m_ConfigFile.Download_Path,0);
						foreach(string str in fileList)
						{
							InterftpSite.DealDownLoadORUpLoadFile(str,m_ConfigFile.MonitorLogPath + "\\bak\\",0,0);
							File.Move(m_ConfigFile.MonitorLogPath + "\\bak\\" + str,m_ConfigFile.MonitorLogPath + "\\" + str);
							File.Delete(m_ConfigFile.MonitorLogPath + "\\bak\\" + str);
						}				
					}
					catch(Exception ex)
					{
						m_SysLog.WriteToSysLog(ex.Message + ex.StackTrace);
					}
					finally
					{
						if(InterftpSite!=null)
						{
							InterftpSite=null;
						}
						if(ftpClient!=null)
						{
							ftpClient.close();
							ftpClient=null;
						}
					}
					#endregion

					#region 睡眠
					try
					{
						Thread.Sleep(60 * 1000);
					}
					catch(Exception)
					{						
					}
					#endregion
				}
								
			}
			catch(Exception ex)
			{
				m_SysLog.WriteToSysLog(ex.Message);
			}
			
		}

		public static void OnChanged(object source, FileSystemEventArgs e)
		{
			if(e.ChangeType == WatcherChangeTypes.Created  )
			{
				if(e.Name.ToUpper().StartsWith("MONITOR"))
				{
					string PlatformID = e.Name.Substring(8,4);

					for(int i=0; i<m_ConfigFile.PlatformID.Length; i++)
					{
						if(m_ConfigFile.PlatformID[i]==Convert.ToInt32(PlatformID))
						{
							CenterService.m_bPlatformCheck[i] = true;
							m_InitLogQueue.Enqueue(e.FullPath);
						}
					}
				}
				else
				{
					m_InitLogQueue.Enqueue(e.FullPath);
				}
			}
		}

		public void Startup()
		{ 				
			m_Thread = new Thread(new ThreadStart(this.Run));
			// Start the thread
			m_Pause = false;
			m_Exit = false;		
			m_Thread.Start();			
		}
		public void Join()
		{
			if(m_Thread != null)
			{
				m_Thread.Interrupt();
				m_Thread.Join();
			}
			else
			{
				return;
			}
		}
		public bool IsAlive()
		{
			if(m_Thread != null)
			{
				return m_Thread.IsAlive;
			}
			else
			{
				return false;
			}
		}
		public void Suspend()
		{
			if(m_Pause == false)
				m_Pause = true;
		}
		public void Resume()
		{
			if(m_Pause == true)
				m_Pause = false;		
		}
		public void SetExit()
		{
			if(m_Exit == false)
				m_Exit = true;		
		}
	}
}