using SCI.CursesWrapper;
using ANSI_Fahrplan.Screens;
using Mindmagma.Curses;

namespace ANSI_Fahrplan;

class Program {
    private static void Main (string [] args) {
		//Playground.Run (args);

		/**
		 * General procedure:
		 * - Draw welcome screen
		 * - User picks the view they want to see
		 * - Data is being pulled from server
		 * - Data is being read, processed and displayed in the selected view
		 * - User can scroll up and down with Up and Down the view if it is longer than one page
		 * - User can change date, room, speaker etc. by pressing left and right
		 * - User can change the list type with function keys
		 **/

		var screen = CursesWrapper.InitNCurses ();

		// -- Screen-wide input handler -- //
		var inputHandler = new InputHandler (screen);
		inputHandler.StartListening ();

		// Register quit key on main screen
		inputHandler.OnKeyPress += (object sender, NCursesKeyPressEventArgs e) => {
			if (e.SourceWindow is not null) return;
			if (e.KeyCode != 'q') return;

			NCurses.EndWin ();
			Console.WriteLine ("Bye-bye!");
			Environment.Exit (0);
		};

		// -- Create menu bar -- //
		//var topMenu = new TopMenu (screen, CreateMenuItems (screen, screenInputHandler));

		// -- Show introduction screen -- //
		// NCurses.GetMaxYX (screen, out int height, out int width);

		// var innerWindow = NCurses.NewWindow (height - 2, width - 4, 1, 2);
		// NCurses.Box (innerWindow, (char) 0, (char) 0);

		var introScreen = new IntroScreen (screen);
		introScreen.SetBorder (true);
		introScreen.Redraw ();

		var parentWindow = new Window (3, 3, 10 * 2, 10) {
			BackgroundColorId = ColorSchemes.TextInputField ()
		};
		parentWindow.SetBorder (true);
		parentWindow.Redraw ();

		var childWindow = new Window (1, 1, 3, 3, parentWindow);
		childWindow.SetBorder (true);
		childWindow.Redraw ();

		inputHandler.OnKeyPress += (object sender, NCursesKeyPressEventArgs e) => {
			if (e.SourceWindow is not null) {
				NCurses.WindowAddChar (e.SourceWindow.WindowId, e.KeyCode);
				return;
			} else {
				NCurses.AddChar (e.KeyCode);
			}
			
			if (e.KeyCode != 'd') return;

			parentWindow.Destroy ();
		};

		NCurses.AddString ("Done drawing");
		NCurses.Refresh ();

		// Wait until the input handler routine stops
		while (true) Thread.Sleep (500);

		NCurses.EndWin ();
		Console.WriteLine ("Oh wow, the input handler crashed, that's not supposed to happen. Sorry!");
		Environment.Exit (1);
	}

	// private static List<MenuItem> CreateMenuItems (nint screen, InputHandler inputHandler) {
	// 	var helpItem      = new MenuItem ("Help", "F1", inputHandler);
	// 	var upcomingItem  = new MenuItem ("Upcoming", "F2", inputHandler);
	// 	var byDayItem     = new MenuItem ("By Day", "F3", inputHandler);
	// 	var byRoomItem    = new MenuItem ("By Room", "F4", inputHandler);
	// 	var bySpeakerItem = new MenuItem ("By Speaker", "F5", inputHandler);
	// 	var quitItem      = new MenuItem ("Quit", "q", inputHandler);
		
	// 	quitItem.OnItemActivated += (object? sender, EventArgs e) => {
	// 		NCurses.EndWin ();
	// 		Console.WriteLine ("Bye-bye!");
	// 		Environment.Exit (0);
	// 	};

	// 	helpItem.OnItemActivated += (object? sender, EventArgs e) => {
	// 		InputBox.InputCompleted callback = (string ee) => {
	// 			NCurses.MoveAddString (3, 3, $"<{ee}>");
	// 		};
	// 		new InputBox().RequestInput (screen, inputHandler, callback, "Please enter some text now:");
	// 	};

	// 	return new List<MenuItem> {
	// 		helpItem,
	// 		upcomingItem,
	// 		byDayItem,
	// 		byRoomItem,
	// 		bySpeakerItem,
	// 		quitItem
	// 	};
	// }
}