import Toybox.Attention;
import Toybox.Graphics;
import Toybox.Lang;
import Toybox.Timer;
import Toybox.WatchUi;

// Green checkmark flash after a successful event save. Vibrates
// briefly, holds for Config.SUCCESS_DISPLAY_MS, then closes the app.
class SuccessView extends WatchUi.View {

    private var _timer as Timer.Timer;

    function initialize() {
        View.initialize();
        _timer = new Timer.Timer();
    }

    function onShow() as Void {
        if (Attention has :vibrate) {
            Attention.vibrate([new Attention.VibeProfile(75, 200)] as Array<Attention.VibeProfile>);
        }
        _timer.start(method(:_dismiss), Config.SUCCESS_DISPLAY_MS, false);
    }

    function onHide() as Void {
        _timer.stop();
    }

    (:debug)
    function _dismiss() as Void {
        WatchUi.popView(WatchUi.SLIDE_RIGHT);
    }

    (:release)
    function _dismiss() as Void {
        System.exit();
    }

    function onUpdate(dc as Dc) as Void {
        dc.setColor(Config.COLOR_FG, Config.COLOR_BG);
        dc.clear();

        var cx = LayoutMetrics.centerX(dc);
        var cy = LayoutMetrics.centerY(dc);
        var min = LayoutMetrics.minDim(dc);
        var size = (min * 0.35).toNumber();

        dc.setColor(Config.COLOR_SUCCESS, Config.COLOR_BG);
        dc.setPenWidth((min * 0.035).toNumber());

        // Checkmark: two line segments forming a tick.
        var left = cx - size / 2;
        var right = cx + size / 2;
        var midX = cx - size / 6;
        dc.drawLine(left, cy, midX, cy + size / 3);
        dc.drawLine(midX, cy + size / 3, right, cy - size / 2);
    }
}