package net.sabi.pester;

import danger.app.Application;
import danger.app.Event;
import danger.internal.Date;
import danger.system.Hardware;
import danger.ui.AlertWindow;
import danger.ui.Container;
import danger.ui.Control;
import danger.ui.Font;
import danger.ui.Layout;
import danger.ui.RecordingPen;
import danger.ui.ScreenWindow;
import danger.ui.StaticText;
import danger.ui.TextField;
import danger.util.DEBUG;
import danger.util.TextInputFilter;

public class Pester extends Application implements Resources, Commands {
    private static ScreenWindow sAlarmListWindow;
    private static danger.app.Alarm sMidnightAlarm;

    public Pester() {
	sAlarmListWindow = (ScreenWindow)getResources().getScreen(ID_ALARM_LIST_SCREEN);
	sAlarmListWindow.show();
	sMidnightAlarm = new danger.app.Alarm(0, this, null);
	resetMidnightCheck();
    }

    void resetMidnightCheck() {
	int now = Hardware.getDate();
	Date midnight = new Date();
	midnight.addDays(1);
	midnight.setTime(0);
	sMidnightAlarm.resetWake(midnight.getDangerTimeGMT() - now);
	DEBUG.p("Pester.resetMidnightCheck");
    }

    private void showAlertForAlarm(Alarm alarm) {
	AlertWindow alert = (AlertWindow)getAlert(ID_ALARM_ALERT, this);
	alert.setTitle(alarm.getDateTimeString());
	alert.setMessage(alarm.getMessage());
	alert.setShowTone(alarm.getAlert());

	Font font = Font.findBoldSystemFont();
	StaticText label = new StaticText(getString(ID_SNOOZE_LABEL_LEFT), font);
	TextField field = new TextField();
	field.setAlignment(TextField.JUSTIFY_RIGHT);
	field.attachInputFilter(TextInputFilter.newLengthFilter(2));
	field.attachInputFilter(TextInputFilter.newNumericFilter());
	label.setLeft(35); // XXX alert.getMessageView().getLeft()
	Layout.positionToRight(field, label, 3);
	Layout.alignBaseline(label, field);
	alert.addChildBelowMessageArea(label, label.getLeft(), label.getTop());
	alert.addChildBelowMessageArea(field, field.getLeft(), field.getTop());
	label = new StaticText(getString(ID_SNOOZE_LABEL_RIGHT), font);
	Layout.positionToRight(label, field, 3);
	Layout.alignBaseline(label, field);
	alert.addChildBelowMessageArea(label, label.getLeft(), label.getTop());
	
	alert.setEventArgForControlWithID(ID_RESCHEDULE_BUTTON, alarm);
	alert.setEventArgForControlWithID(ID_DISMISS_BUTTON, alarm);
	alert.setDefaultFocus(field);

	alert.paint(new RecordingPen()); // force layout
	int fieldID = alert.incrementMaxChildID();
	alert.removeChild(field);
	alert.addChild(field, fieldID);
	Control snoozeButton = alert.getControlWithID(ID_SNOOZE_BUTTON);
	Event event = snoozeButton.getEvent();
	event.argument = alert;
	event.data = fieldID;
	snoozeButton.setEvent(event);
	alert.disableButtonOnEmptyField(ID_SNOOZE_BUTTON, fieldID);

	alert.show(AlertWindow.SYSTEM_ALERT_TYPE_ALARM);
    }

    public boolean receiveEvent(Event e) {
	switch (e.type) {
	case Event.EVENT_ALARM:
	    if (e.argument == null) { // midnight
		updatePreviewScreen();
		// update alarm list
		sAlarmListWindow.receiveEvent(event(Event.EVENT_TIME_CHANGED, 0));
		resetMidnightCheck();
		return true;
	    }
	    showAlertForAlarm((Alarm)e.argument);
	    return true;
	case EVENT_SET_ALARM:
	    AlarmSetDialog.getDialog().rescheduleAlarm((Alarm)e.argument);
	    return true;
	case EVENT_SNOOZE_ALARM:
	    AlertWindow alert = (AlertWindow)e.argument;
	    int snoozeMinutes =
		Integer.parseInt(alert.getControlWithID(e.data).toString());
	    Control dismissButton = alert.getControlWithID(ID_DISMISS_BUTTON);
	    Alarm alarm = (Alarm)dismissButton.getEvent().argument;
	    alarm.snoozeForMinutes(snoozeMinutes);
	    return true;
	case EVENT_DISMISS_ALARM:
	    ((Alarm)e.argument).dismiss();
	    return true;
	}
	return super.receiveEvent(e);
    }
}