namespace Silverstone.Manticore.BrowserWindow
{
  using System;
  using System.ComponentModel;
  using System.Drawing;
  using System.Windows.Forms;

  using Silverstone.Manticore.App;
  using Silverstone.Manticore.Toolkit.Menus;
  using Silverstone.Manticore.AboutDialog;
  using Silverstone.Manticore.OpenDialog;

  using Silverstone.Manticore.LayoutAbstraction;

  public class BrowserWindow : System.Windows.Forms.Form 
  {
    private System.ComponentModel.Container components;

    protected internal BrowserMenuBuilder menuBuilder;
    protected internal WebBrowser webBrowser;

    protected internal StatusBar statusBar;

    protected internal ManticoreApp application;

    public BrowserWindow(ManticoreApp app)
    {
      application = app;

      // Set up UI
      InitializeComponent();

      // Perform post-window show startup tasks
      LayoutStartup();
    }

    public override void Dispose()
    {
      base.Dispose();
      components.Dispose();
    }

    private void InitializeComponent()
    {
      this.components = new System.ComponentModel.Container();

      // XXX read these from a settings file
      this.Width = 640;
      this.Height = 480;
      
      this.Text = "Manticore"; // XXX localize

      menuBuilder = new BrowserMenuBuilder("browser\\browser-menu.xml", this);
      menuBuilder.Build();
      this.Menu = menuBuilder.mainMenu;

      // Show the resize handle
      this.SizeGripStyle = SizeGripStyle.Auto;

      webBrowser = new WebBrowser();
      this.Controls.Add(webBrowser);

      // Set up the Status Bar
      statusBar = new StatusBar();
      
      StatusBarPanel docStatePanel = new StatusBarPanel();
      StatusBarPanel statusPanel = new StatusBarPanel();
      StatusBarPanel progressPanel = new StatusBarPanel();
      StatusBarPanel zonePanel = new StatusBarPanel();

      docStatePanel.Text = "X";
      progressPanel.Text = "[|||||     ]";
      zonePanel.Text = "Internet Region";
      statusPanel.Text = "Document Done";
      statusPanel.AutoSize = StatusBarPanelAutoSize.Spring;
      
      statusBar.Panels.AddRange(new StatusBarPanel[] {docStatePanel, statusPanel, progressPanel, zonePanel});
      statusBar.ShowPanels = true;

      this.Controls.Add(statusBar);
    }

    private void LayoutStartup()
    {
      // XXX - add a pref to control this, blank, or last page visited.
      // Visit the homepage
      String homepageURL = "http://www.silverstone.net.nz/";
      webBrowser.LoadURL(homepageURL, false);
    }

    ///////////////////////////////////////////////////////////////////////////
    // Menu Command Handlers
    public void OpenNewBrowser()
    {
      application.OpenNewBrowser();
    }

    public void Open()
    {
      OpenDialog dlg = new OpenDialog(0);
      if (dlg.ShowDialog() == DialogResult.OK)
        Console.WriteLine(dlg.URL);
    }
  }

  public class BrowserMenuBuilder : MenuBuilder
  {
    private BrowserWindow browserWindow;

    public BrowserMenuBuilder(String file, BrowserWindow window) : base(file)
    {
      browserWindow = window;
    }

    public override void OnCommand(Object sender, EventArgs e)
    {
      CommandMenuItem menuitem = (CommandMenuItem) sender;
      Console.WriteLine(menuitem.Command);
      switch (menuitem.Command) {
      case "file-new-window":
        browserWindow.OpenNewBrowser();
        break;
      case "file-open":
        browserWindow.Open();
        break;
      case "help-about":
        AboutDialog dlg = new AboutDialog(browserWindow);
        break;
      }
    }
  }
}