using System.Drawing;
using System.Windows.Forms;

namespace WorldOfPeacecraft
{
	public class ChatPanel :  Panel
	{
		private ChatInputBox ChatInput;
		private ChatOutputBox ChatOutput;
		private IBackend Backend;

		public ChatPanel (IBackend backend)
		{
			Backend = backend;
			ChatInput = new ChatInputBox ();
			ChatInput.ChatMessageSubmitted += OnChatMessageSent;
			ChatOutput = new ChatOutputBox (backend);

			this.Controls.Add (ChatInput);
			this.Controls.Add (ChatOutput);
		}

		protected override void OnLayout (LayoutEventArgs levent)
		{
			int outputHeight = this.ClientSize.Height - ChatInput.Height;
			ChatOutput.Location = new Point (0, 0);
			ChatOutput.Size = new Size (this.ClientSize.Width, outputHeight);
			ChatInput.Location = new Point (0, outputHeight);
			ChatInput.Size = new Size (this.ClientSize.Width, ChatInput.ClientSize.Width);
			base.OnLayout (levent);
		}



		private void OnChatMessageSent (string message)
		{
			if (message.StartsWith ("/")) {
				string command = message.Substring (1);
				Backend.SendCommand(command);
			} else {
				Backend.SendChatMessage(message);
			}
			// TODO Move focus to board?
		}

		public void UpdateData()
		{
			ChatOutput.UpdateData ();
		}
	}
}