using System;

public class LifeWindow
{
    private LifeBoard lifeBoard;
    private LifeRender lifeRender;

    void ResizeEvt(object sender, EventArgs ev)
    {
        lifeRender.RenderLayout((efl.ui.IWin)sender);
    }

    void QuitEvt(object sender, EventArgs ev)
    {
        // quit the mainloop
        efl.ui.Config.Exit();
    }

    void TouchEvt(object sender, efl.input.Interface.PointerDownEvt_Args ev)
    {
        int cellx, celly;
        efl.ui.IWin win = (efl.ui.IWin)sender;
        var position = ev.arg.GetPosition();
        lifeRender.CellForCoords(win, position, out cellx, out celly);

        int i = LifeBoard.IndexForPosition(cellx, celly);
        lifeBoard.Cells[i] = !lifeBoard.Cells[i];
        lifeRender.RenderCell(win, cellx, celly);
    }

    void KeyDownEvt(object sender, efl.input.Interface.KeyDownEvt_Args ev)
    {
        efl.ui.IWin win = (efl.ui.IWin)sender;
        if (ev.arg.GetKey() == "space")
            lifeBoard.TogglePause(win);
    }

    public LifeWindow()
    {
        efl.ui.IWin win = new efl.ui.Win(null, (efl.ui.IWin ewin) => {
            ewin.SetWinType(efl.ui.Win_Type.Basic);
            ewin.SetText("EFL Life");
            ewin.SetAutohide(true);
        });

        // when the user clicks "close" on a window there is a request to hide
        win.HideEvt += QuitEvt;

        eina.Size2D sz;
        sz.W = (int)(10 * LifeBoard.Width * win.GetScale());
        sz.H = (int)(10 * LifeBoard.Height * win.GetScale());

        lifeBoard = new LifeBoard();
        lifeRender = new LifeRender(win, lifeBoard);
        lifeRender.Refresh(win);

        win.ResizeEvt += ResizeEvt;
        win.PointerDownEvt += TouchEvt;
        win.KeyDownEvt += KeyDownEvt;

        win.SetSize(sz);

        lifeBoard.Run(win);
    }
}

public class Example
{
    public static void Main()
    {
        efl.All.Init(efl.Components.Ui);

        var lifeWin = new LifeWindow();

        // start the mainloop
        efl.ui.Config.Run();

        efl.All.Shutdown();
    }
}