using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Threading;

namespace WoL_Manager
	{
	public partial class MainWindow : Form
		{
		private Host selectedHost;
		private int hostIndex;

		public MainWindow()
			{
			InitializeComponent();
			}


		public void rebuildDataView()
			{
			Host[] hostList = Host.getHostList();
			DataGridViewRowCollection rowsColl = DataGridHosts.Rows;
			if (hostList != null && hostList.Length > 0)
				{
				for (int t = 0; t < hostList.Length; t++)
					{
					object[] temp = new object[5];
					temp[0] = hostList[t].getStatusIcon();
					temp[1] = hostList[t].Name;
					temp[2] = hostList[t].IP.ToString();
					temp[3] = hostList[t].getStatusString();
					temp[4] = hostList[t];
					if (rowsColl.Count > t)
						{
						rowsColl[t].SetValues(temp);
						}
					else
						{
						rowsColl.Insert(t, temp);
						}
					}
				if (rowsColl.Count > hostList.Length)
					{
					for (int t = hostList.Length; t < rowsColl.Count; t++)
						{
						rowsColl.RemoveAt(t);
						}
					}
				}
			else
				{
				rowsColl.Clear();
				}
			DataGridViewSelectedRowCollection tempRows = DataGridHosts.SelectedRows;
			if (tempRows != null && tempRows.Count > 0)
				{
				hostIndex = tempRows[0].Index;
				DataGridViewCellCollection cells = tempRows[0].Cells;
				selectedHost = (Host)cells[4].Value;
				}
			}


		public void updateDataView()
			{
			DataGridViewRowCollection rowsColl = DataGridHosts.Rows;
			for (int t = 0; t < rowsColl.Count; t++)
				{
				DataGridViewCellCollection cells = rowsColl[t].Cells;
				Host host = (Host)cells[4].Value;
				if (host != null)
					{
					cells[0].Value = host.getStatusIcon();
					cells[1].Value = host.Name;
					cells[2].Value = host.IP.ToString();
					cells[3].Value = host.getStatusString();
					}
				}
			}


		private void createPingThreads()
			{
			Host[] hostList = Host.getHostList();
			for (int t = 0; t < hostList.Length; t++)
				{
				PingThread temp = new PingThread(hostList[t].IP, ManagerSettings.PingWaitTime, ManagerSettings.PingTimeOut, hostList[t]);
				hostList[t].pingThread = temp;
				Thread thread = new Thread(new ThreadStart(temp.threadFunction));
				thread.Start();
				}
			}

		public void deletePingThreads()
			{
			Host[] hostList = Host.getHostList();
			for (int t = 0; t < hostList.Length; t++)
				{
				hostList[t].pingThread.stopThread();
				hostList[t].pingThread = null;
				}
			}

		private void updatePingThreads()
			{
			
			Host[] hostList = Host.getHostList();
			for (int t = 0; t < hostList.Length; t++)
				{
				if (hostList[t].pingThread == null)
					{
					PingThread temp = new PingThread(hostList[t].IP, ManagerSettings.PingWaitTime, ManagerSettings.PingTimeOut, hostList[t]);
					hostList[t].pingThread = temp;
					Thread thread = new Thread(new ThreadStart(temp.threadFunction));
					thread.Start();
					}
				}
			}

		private void MainWindow_Load(object sender, EventArgs e)
			{
			QuitMenuItem1.Click += new System.EventHandler(this.quitEventHandler);
			AboutMenuItem1.Click += new EventHandler(aboutEventHandler);
			AddMenuItem1.Click += new EventHandler(newHostEventHandler);
			DataGridHosts.SelectionChanged += new EventHandler(this.selectionEventHandler);
			DeleteMenuItem1.Click += new EventHandler(this.deleteEventHandler);
			EditMenuItem1.Click += new EventHandler(this.editHostEventHandler);
			WakeMenuItem1.Click += new EventHandler(wakeHostEventHandler);
			SettingsMenuItem1.Click += new EventHandler(settingsEventHandler);
			AddMenuItem2.Click +=new EventHandler(newHostEventHandler);
			EditMenuItem2.Click += new EventHandler(editHostEventHandler);
			DeleteMenuItem2.Click += new EventHandler(deleteEventHandler);
			WakeMenuItem2.Click += new EventHandler(wakeHostEventHandler);
			createPingThreads();
			selectedHost = null;
			rebuildDataView();
			this.Resize += new EventHandler(resizeEventHandler);
			TaskBarIcon.Click += new EventHandler(taskBarIconEventHandler);
			System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(MainWindow));
			Icon[] tempList = new Icon[4];
			tempList[0] = new Icon((Icon)resources.GetObject("icon_gray"),new Size(24, 24));
			tempList[1] = new Icon((Icon)resources.GetObject("icon_green"), new Size(24, 24));
			tempList[2] = new Icon((Icon)resources.GetObject("icon_red"), new Size(24, 24));
			tempList[3] = new Icon((Icon)resources.GetObject("icon_yellow"), new Size(24, 24));
			Host.IconList = tempList;
			}

		void settingsEventHandler(object sender, EventArgs e)
			{
			SettingsWindow window = new SettingsWindow();
			window.StartPosition = FormStartPosition.CenterParent;
			window.ShowDialog(this);
			window.Activate();
			deletePingThreads();
			updatePingThreads();
			}


		private void taskBarIconEventHandler(object sender, EventArgs e)
			{
			this.WindowState = FormWindowState.Normal;
			this.Show();
			this.Focus();
			this.BringToFront();
			}


		private int resizeState = 0;

		private void resizeEventHandler(object sender, EventArgs e)
			{
			if (this.WindowState == FormWindowState.Minimized)
				{
				resizeState = 1;
				this.ShowInTaskbar = false;
				}
			else if (resizeState == 1)
				{
				resizeState = 0;
				this.ShowInTaskbar = true;
				}
			}

		private void wakeHostEventHandler(object sender, EventArgs e)
			{
			if (selectedHost == null)
				return;
			selectedHost.wakeHost();

			}

		private void quitEventHandler(object sender, EventArgs e)
			{
			this.Close();
			}

		private void aboutEventHandler(object sender, EventArgs e)
			{
			AboutWindow window = new AboutWindow();
			window.StartPosition = FormStartPosition.CenterParent;
			window.ShowDialog(this);
			window.Activate();
			}

		private void newHostEventHandler(object sender, EventArgs e)
			{
			NewHostWindow window = new NewHostWindow();
			window.StartPosition = FormStartPosition.CenterParent;
			window.ShowDialog(this);
			window.Activate();
			rebuildDataView();
			updatePingThreads();
			}

		private void editHostEventHandler(object sender, EventArgs e)
			{
			if (selectedHost == null)
				{
				return;
				}
			EditHostWindow window = new EditHostWindow(selectedHost);
			window.StartPosition = FormStartPosition.CenterParent;
			window.ShowDialog(this);
			window.Activate();
			updateDataView();
			updatePingThreads();
			}


		private void deleteEventHandler(object sender, EventArgs e)
			{
			if (selectedHost == null)
				{
				return;
				}
			DialogResult result = MessageBox.Show("Are you sure?", "Delete Host", MessageBoxButtons.OKCancel);
			if (result == DialogResult.OK)
				{
				Host.deleteHost(selectedHost);
				rebuildDataView();
				}
			}


		private void selectionEventHandler(object sender, EventArgs e)
			{
			DataGridViewSelectedRowCollection tempRows = DataGridHosts.SelectedRows;
			if (tempRows != null && tempRows.Count > 0)
				{
				hostIndex = tempRows[0].Index;
				DataGridViewCellCollection cells = tempRows[0].Cells;
				selectedHost = (Host)cells[4].Value;
				WakeMenuItem1.Enabled = true;
				DeleteMenuItem1.Enabled = true;
				EditMenuItem1.Enabled = true;
				EditMenuItem2.Enabled = true;
				DeleteMenuItem2.Enabled = true;
				WakeMenuItem2.Enabled = true;
				Host host = (Host)cells[4].Value;
				if (host.Description == null)
					{
					host.Description = "";
					}
				OutputTextBox.Text = String.Format(" Name:\t\t{0}\n IP-Address:\t{1}\n Broadcast:\t{2}\n MAC-Address:\t{3}\n===========================================\n Description:\n\n{4}",
					host.Name, host.IP.ToString(), host.Broadcast.ToString(), host.MAC, host.Description);
				}
			else
				{
				selectedHost = null;
				WakeMenuItem1.Enabled = false;
				DeleteMenuItem1.Enabled = false;
				EditMenuItem1.Enabled = false;
				EditMenuItem2.Enabled = false;
				DeleteMenuItem2.Enabled = false;
				WakeMenuItem2.Enabled = false;
				OutputTextBox.Text = "";
				}
			}

		public static bool checkMAC(string mac)
			{
			if (mac.Length != 12)
				{
				return false;
				}
			else
				{
				for (int t = 0; t < mac.Length; t++)
					{
					if (Char.IsLetterOrDigit(mac[t]))
						{
						if (Char.IsLetter(mac[t]))
							{
							switch (mac[t])
								{
								case 'A':
									break;
								case 'B':
									break;
								case 'C':
									break;
								case 'D':
									break;
								case 'E':
									break;
								case 'F':
									break;
								default:
									return false;
								}
							}
						}
					else
						{
						return false;
						}
					}
				}
			return true;
			}

		}
	}