Facilino.LANG_COLOUR_SCREEN = '#ACCE42';
Facilino.LANG_COLOUR_SCREEN_LEDSTRIP = '#8EAC32';

Facilino.hexToRgb = function(hex) {
				// Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF")
				var shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
				hex = hex.replace(shorthandRegex, function(m, r, g, b) {
					return r + r + g + g + b + b;
				});

				var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
				return result ? {
					r: parseInt(result[1], 16),
					g: parseInt(result[2], 16),
					b: parseInt(result[3], 16)
				} : null;
			};

Blockly.Blocks['show_mouth'] = {
    category: Facilino.locales.getKey('LANG_CATEGORY_SCREEN'),
    subcategory: Facilino.locales.getKey('LANG_SUBCATERGORY_WS2812'),
    category_colour: Facilino.LANG_COLOUR_SCREEN,
    colour: Facilino.LANG_COLOUR_SCREEN_LEDSTRIP,
    helpUrl: Facilino.getHelpUrl('show_mouth'),
    tags: [],
    examples: [],
    init: function() {
        this.appendDummyInput('').appendField("WS2812 7-Ring").appendField(new Blockly.FieldImage('img/blocks/led_strip.svg', 40 * options.zoom, 40 * options.zoom));
        this.appendValueInput('PIN').appendField(Facilino.locales.getKey('LANG_SIMPLEEXPRESSIONS_PIN')).setAlign(Blockly.ALIGN_RIGHT).setCheck(Number);
        this.appendDummyInput('').appendField('Expression').appendField(new Blockly.FieldDropdown([
            ['Zeros', 'zeros'],
            ['Happy Small', 'happySmall'],
            ['Happy Full', 'happyFull'],
            ['Sad Small', 'sadSmall'],
            ['Sad Full', 'sadFull'],
            ['Neutral', 'neutral'],
            ['Circle', 'circle'],
            ['Center', 'center'],
            ['Hook', 'hook'],
            ['Upsidedown Hook', 'upsidedownhook'],
            ['Kooh', 'kooh'],
            ['Upsidedown Kooh', 'upsidedownkooh'],
            ['Cross', 'cross'],
            ['Rect', 'rect'],
            ['Left Arrow', 'leftarrow'],
            ['Right Arrow', 'rightarrow'],
            ['Left Half', 'lefthalf'],
            ['Right Half', 'righthalf']
        ]), 'EXPRESSION').setAlign(Blockly.ALIGN_RIGHT);
        var colour = new Blockly.FieldColour('#000000');
        colour.setColours(['#000000', '#808080', '#C0C0C0', '#FFFFFF', '#800000', '#FF0000', '#808000', '#FFFF00', '#008000', '#00FF00', '#008080', '#00FFFF', '#000080', '#0000FF', '#800080', '#FF00FF']).setColumns(4);
        this.appendDummyInput('').appendField('Color').appendField(colour, 'COLOR').setAlign(Blockly.ALIGN_RIGHT);
        this.setPreviousStatement(true, 'code');
        this.setNextStatement(true, 'code');
        this.setColour(Facilino.LANG_COLOUR_SCREEN_LEDSTRIP);
        this.setTooltip("");
    }
};

Blockly.Arduino['show_mouth'] = function(block) {
    var input_expression = this.getFieldValue('EXPRESSION');
    var input_color = this.getFieldValue('COLOR');
    var input_pin = Blockly.Arduino.valueToCode(this, 'PIN', Blockly.Arduino.ORDER_ATOMIC) || '';
    Blockly.Arduino.definitions_['define_simpleexpressions_h'] = '#include <SimpleExpressions.h>';
    Blockly.Arduino.setups_['setup_simpleexpressions_mouth'] = 'SimpleExpressions.initMouth(' + input_pin + ');\n';
    var color_rgb = Facilino.hexToRgb(input_color);
    var code = 'SimpleExpressions.writeMouth("' + input_expression + '",' + color_rgb.r + ',' + color_rgb.g + ',' + color_rgb.b + ');\n';
    code += '\n';
    return code;
};

Blockly.Arduino.dyor_piezo_buzzer_predef_sounds = function() {
    var dropdown_pin = Blockly.Arduino.valueToCode(this, 'PIN', Blockly.Arduino.ORDER_ATOMIC) || '';
    var code = '';
    Blockly.Arduino.definitions_['define_simpleexpressions_h'] = '#include <SimpleExpressions.h>';
    Blockly.Arduino.setups_['setup_simpleexpressions_buzzer'] = 'SimpleExpressions.initBuzzer(' + dropdown_pin + ');\n';
    code = 'SimpleExpressions.playSound(' + this.getFieldValue('OPTION') + ');\n';
    return code;
};

Blockly.Blocks.dyor_piezo_buzzer_predef_sounds = {
    category: Facilino.locales.getKey('LANG_CATEGORY_SOUND'),
    subcategory: Facilino.locales.getKey('LANG_SUBCATEGORY_BUZZER'),
    tags: ['buzzer', 'sound'],
    helpUrl: Facilino.getHelpUrl('dyor_piezo_buzzer_predef_sounds'),
    examples: [''],
    category_colour: Facilino.LANG_COLOUR_SOUND,
    colour: Facilino.LANG_COLOUR_SOUND_BUZZER,
    //dyor_piezo_buzzer initialization
    init: function() {
        this.setColour(Facilino.LANG_COLOUR_SOUND_BUZZER);
        this.appendDummyInput('')
            .appendField(Facilino.locales.getKey('LANG_PIEZO_BUZZER'))
            .appendField(new Blockly.FieldImage('img/blocks/buzzer.svg', 52 * options.zoom, 35 * options.zoom));
        this.appendValueInput('PIN')
            .appendField(Facilino.locales.getKey('LANG_PIEZO_BUZZER_PIN')).appendField(new Blockly.FieldImage("img/blocks/pwm_signal.svg", 24 * options.zoom, 24 * options.zoom))
            .setCheck(Number)
            .setAlign(Blockly.ALIGN_RIGHT);
        this.appendDummyInput('').appendField(new Blockly.FieldImage('img/blocks/speaker.svg', 24 * options.zoom, 24 * options.zoom))
            .appendField(new Blockly.FieldDropdown([
                ['CONNECTION', '0'],
                ['DISCONNECTION', '1'],
                ['BUTTON PUSHED', '2'],
                ['MODE 1', '3'],
                ['MODE 2', '4'],
                ['MODE 3', '5'],
                ['SURPRISE', '6'],
                ['OHOOH', '7'],
                ['OHOOH2', '8'],
                ['CUDDLY', '9'],
                ['SLEEPING', '10'],
                ['HAPPY', '11'],
                ['SUPER_HAPPY', '12'],
                ['HAPPY_SHORT', '13'],
                ['SAD', '14'],
                ['CONFUSED', '15'],
                ['FART1', '16'],
                ['FART2', '17'],
                ['FART3', '18'],
                ['PIRATES', '19']
            ]), 'OPTION').setAlign(Blockly.ALIGN_RIGHT);
        this.setInputsInline(false);
        this.setPreviousStatement(true, 'code');
        this.setNextStatement(true, 'code');
        this.setTooltip(Facilino.locales.getKey('LANG_PIEZO_BUZZER_PREDEF_SOUNDS_TOOLTIP'));
    }
};