<?php
/**
 * The multiple select customize control extends the WP_Customize_Control class.  This class allows
 * developers to create a `<select>` form field with the `multiple` attribute within the WordPress
 * theme customizer.
 *
 * @package    hestia
 * @author     Justin Tadlock <justin@justintadlock.com>
 */

/**
 * Multiple select customize control class.
 *
 * @since  1.1.40
 * @access public
 */
class Hestia_Select_Multiple extends WP_Customize_Control {
	/**
	 * The type of customize control being rendered.
	 *
	 * @since  1.1.40
	 * @access public
	 * @var    string
	 */
	public $type = 'select-multiple';

	/**
	 * Custom classes to apply on select.
	 *
	 * @since 1.1.40
	 * @access public
	 * @var string
	 */
	public $custom_class = '';

	/**
	 * Hestia_Select_Multiple constructor.
	 *
	 * @param WP_Customize_Manager $manager Customize manager object.
	 * @param string               $id Control id.
	 * @param array                $args Control arguments.
	 */
	public function __construct( WP_Customize_Manager $manager, $id, array $args = array() ) {
		parent::__construct( $manager, $id, $args );
		if ( array_key_exists( 'custom_class', $args ) ) {
			$this->custom_class = esc_attr( $args['custom_class'] );
		}
	}

	/**
	 * Loads the framework scripts/styles.
	 *
	 * @since  1.1.40
	 * @access public
	 * @return void
	 */
	public function enqueue() {
		wp_enqueue_script( 'hestia-customizer-select-multiple', get_template_directory_uri() . '/inc/customizer/controls/custom-controls/multi-select/script.js', array( 'jquery', 'customize-base' ), HESTIA_VERSION, true );

	}
	/**
	 * Add custom parameters to pass to the JS via JSON.
	 *
	 * @since  1.1.40
	 * @access public
	 * @return array
	 */
	public function json() {
		$json                 = parent::json();
		$json['choices']      = $this->choices;
		$json['link']         = $this->get_link();
		$json['value']        = (array) $this->value();
		$json['id']           = $this->id;
		$json['custom_class'] = $this->custom_class;

		return $json;
	}


	/**
	 * Underscore JS template to handle the control's output.
	 *
	 * @since  1.1.40
	 * @access public
	 * @return void
	 */
	public function content_template() {
		?>
		<#
		if ( ! data.choices ) {
			return;
		} #>

		<label>
			<# if ( data.label ) { #>
				<span class="customize-control-title">{{ data.label }}</span>
			<# } #>

			<# if ( data.description ) { #>
				<span class="description customize-control-description">{{{ data.description }}}</span>
			<# } #>

			<#
			var custom_class = ''
			if ( data.custom_class ) {
				custom_class = 'class='+data.custom_class
			} #>
			<select multiple="multiple" {{{ data.link }}} {{ custom_class }}>
				<# _.each( data.choices, function( label, choice ) {
					var selected = ( data.value.indexOf( choice.toString() ) !== -1 ) ? 'selected="selected"' : ''
					#>
					<option value="{{ choice }}" {{ selected }} >{{ label }}</option>
				<# } ) #>
			</select>
		</label>
		<?php
	}

	/**
	 * Render the control's content.
	 *
	 * @access protected
	 */
	protected function render_content() {
		$input_id         = '_customize-input-' . $this->id;
		$description_id   = '_customize-description-' . $this->id;
		$describedby_attr = ( ! empty( $this->description ) ) ? ' aria-describedby="' . esc_attr( $description_id ) . '" ' : '';
		$value            = $this->value();

		if ( is_array( $value ) ) {
			$value = implode( ',', $value );
		}

		if ( ! empty( $this->label ) ) :
			?>
			<label for="<?php echo esc_attr( $input_id ); ?>" class="customize-control-title"><?php echo esc_html( $this->label ); ?></label>
		<?php endif; ?>
		<?php if ( ! empty( $this->description ) ) : ?>
			<span id="<?php echo esc_attr( $description_id ); ?>" class="description customize-control-description"><?php echo $this->description; ?></span>
		<?php endif; ?>
		<input
			id="<?php echo esc_attr( $input_id ); ?>"
			type="<?php echo esc_attr( $this->type ); ?>"
			<?php echo $describedby_attr; ?>
			<?php $this->input_attrs(); ?>
			<?php if ( ! isset( $this->input_attrs['value'] ) ) : ?>
				value="<?php echo esc_attr( $value ); ?>"
			<?php endif; ?>
			<?php $this->link(); ?>
			/>
		<?php
	}
}
