<?php

namespace XproElementorAddons\Modules\Swatches;

defined( 'ABSPATH' ) || exit;

class Frontend {

	private static $instance = null;

	public static function instance() {

		if ( is_null( self::$instance ) ) {
			self::$instance = new self();
			self::$instance->init();
		}

		return self::$instance;
	}

	public function init() {

		add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
		add_filter( 'woocommerce_dropdown_variation_attribute_options_html', array( $this, 'get_swatch_html' ), 100, 2 );
		add_filter( 'xpro_filter_html_swatch_hook', array( $this, 'swatch_html' ), 5, 4 );
	}


	public function enqueue_scripts() {
		wp_enqueue_style( 'xpro-swatch-frontend', Swatches::asset_source( 'css', 'frontend.css' ), array(), XPRO_ELEMENTOR_ADDONS_VERSION );
		wp_enqueue_script( 'xpro-swatch-frontend', Swatches::asset_source( 'js', 'frontend.js' ), array( 'jquery' ), XPRO_ELEMENTOR_ADDONS_VERSION, true );
	}


	public function get_swatch_html( $html, $args ) {

		$swatch_types = Swatches::instance()->get_available_types();

		$attr = Swatches::get_tax_attribute( $args['attribute'] );

		// Return if this is normal attribute
		if ( empty( $attr ) ) {
			return $html;
		}

		if ( ! array_key_exists( $attr->attribute_type, $swatch_types ) ) {
			return $html;
		}

		$options   = $args['options'];
		$product   = $args['product'];
		$attribute = $args['attribute'];
		$class     = "variation-selector variation-select-{$attr->attribute_type}";
		$swatches  = '';

		$args['tooltip'] = $this->is_tooltip_enabled();

		if ( empty( $options ) && ! empty( $product ) && ! empty( $attribute ) ) {
			$attributes = $product->get_variation_attributes();
			$options    = $attributes[ $attribute ];
		}

		if ( array_key_exists( $attr->attribute_type, $swatch_types ) ) {
			if ( ! empty( $options ) && $product && taxonomy_exists( $attribute ) ) {
				$terms = wc_get_product_terms( $product->get_id(), $attribute, array( 'fields' => 'all' ) );

				foreach ( $terms as $term ) {
					if ( in_array( $term->slug, $options ) ) {
						$swatches .= apply_filters( 'xpro_filter_html_swatch_hook', '', $term, $attr->attribute_type, $args );
					}
				}
			}

			if ( ! empty( $swatches ) ) {
				$class   .= ' hidden';
				$swatches = '<div class="xpro_swatches" data-attribute_name="attribute_' . esc_attr( $attribute ) . '">' . $swatches . '</div>';
				$html     = '<div class="' . esc_attr( $class ) . '">' . $html . '</div>' . $swatches;
			}
		}

		return $html;
	}


	public function swatch_html( $html, $term, $type, $args ) {

		$selected = sanitize_title( $args['selected'] ) == $term->slug ? 'selected' : '';
		$name     = esc_html( apply_filters( 'woocommerce_variation_option_name', $term->name ) );
		$tooltip  = '';

		if ( ! empty( $args['tooltip'] ) ) {
			$tooltip = '<span class="xpro_swatch__tooltip">' . ( $term->description ? $term->description : $name ) . '</span>';
		}

		switch ( $type ) {
			case Swatches::PA_COLOR:
				$color           = get_term_meta( $term->term_id, $type, true );
				list($r, $g, $b) = sscanf( $color, '#%02x%02x%02x' );
				$html            = sprintf(
					'<span class="swatch swatch_color swatch-%s %s" style="background-color:%s;color:%s;" data-value="%s">%s%s</span>',
					esc_attr( $term->slug ),
					$selected,
					esc_attr( $color ),
					"rgba($r,$g,$b,0.5)",
					esc_attr( $term->slug ),
					$name,
					$tooltip
				);
				break;

			case Swatches::PA_IMAGE:
				$image = get_term_meta( $term->term_id, $type, true );
				$image = $image ? wp_get_attachment_image_src( $image ) : '';
				$image = $image ? $image[0] : Swatches::get_dummy();
				$html  = sprintf(
					'<span class="swatch swatch_image swatch-%s %s" data-value="%s"><img src="%s" alt="%s">%s%s</span>',
					esc_attr( $term->slug ),
					$selected,
					esc_attr( $term->slug ),
					esc_url( $image ),
					esc_attr( $name ),
					$name,
					$tooltip
				);
				break;

			case Swatches::PA_LABEL:
				$label = get_term_meta( $term->term_id, $type, true );
				$label = $label ? $label : $name;
				$html  = sprintf(
					'<span class="swatch swatch_label swatch-%s %s" data-value="%s">%s%s</span>',
					esc_attr( $term->slug ),
					$selected,
					esc_attr( $term->slug ),
					esc_html( $label ),
					$tooltip
				);
				break;
		}

		return $html;
	}


	public function is_tooltip_enabled() {

		return true;
	}
}

Frontend::instance();