import Toybox.Lang;
import Toybox.WatchUi;



class KittieCatsSettingsView extends WatchUi.Menu2 
{
    private var themeMenuItem;


    function initialize()
    {
        Menu2.initialize(null);
        Menu2.setTitle(Rez.Strings.SettingsTitle);

        self.themeMenuItem = new WatchUi.MenuItem(Rez.Strings.SettingsTheme, "", "theme", null);
		Menu2.addItem(self.themeMenuItem);

        // TODO add settings for low power mode
    }


    function onShow()
    {
        var currentTheme = ThemeManager.getInstance().getLocalizedCurrentTheme();
        self.themeMenuItem.setSubLabel(currentTheme.Name);
    }
}


class KittieCatsSettingsMenuDelegate extends WatchUi.Menu2InputDelegate 
{
    function initialize() 
    {
        Menu2InputDelegate.initialize();
    }


  	function onSelect(item) 
    {
  		var id = item.getId();

        switch (id)
        {
            case "theme":
            {
                var themes = ThemeManager.getInstance().getLocalizedThemes();
                var currentTheme = ThemeManager.getInstance().getLocalizedCurrentTheme();

                // Not sure if I like the picker UI, but it'll do for now
                WatchUi.pushView(new Picker({
                    :title => new WatchUi.Text({ :text => Rez.Strings.SettingsTheme }),
                    :pattern => [new ThemePickerFactory(themes)],
                    :defaults => [themes.indexOf(currentTheme)]
                }), new ThemePickerDelegate(), WatchUi.SLIDE_LEFT);

                break;
            }
        }
  	}
  	

  	function onBack()
    {
        WatchUi.popView(WatchUi.SLIDE_IMMEDIATE);
    }
}



class ThemePickerFactory extends WatchUi.PickerFactory
{
    private var themes as Array<ThemeInfo>;


    function initialize(themes)
    {
        PickerFactory.initialize();

        self.themes = themes;
    }


    function getDrawable(item, isSelected)
    {
        return new WatchUi.Text({
            :text => self.themes[item].Name,
            :color => Graphics.COLOR_WHITE,
            :font => Graphics.FONT_SMALL,
            :justification => Graphics.TEXT_JUSTIFY_LEFT
        });
    }


    function getSize() 
    {
        return self.themes.size(); 
    }
    

    function getValue(item)
    {
        return self.themes[item].Id;
    }
}


class ThemePickerDelegate extends WatchUi.PickerDelegate
{
    function initialize()
    {
        PickerDelegate.initialize();
    }


    function onAccept(values)
    {
        ThemeManager.getInstance().setCurrentThemeId(values[0]);

        WatchUi.popView(WatchUi.SLIDE_DOWN);
        return true;
    }

    function onCancel()
    { 
        return true;
    }
}