<?php
/**
 * Product display helper functions.
 */

function matreshka_get_sale_percentage( $product ) {
	if ( ! $product instanceof WC_Product ) {
		return false;
	}

	$regular_price = (float) $product->get_regular_price();
	$sale_price = (float) $product->get_sale_price();

	if ( ! $sale_price || ! $regular_price || $sale_price >= $regular_price ) {
		return false;
	}

	$percentage = round( ( ( $regular_price - $sale_price ) / $regular_price ) * 100 );

	return $percentage > 0 ? $percentage : false;
}

function matreshka_get_product_price_html( $product, $wrapper_class = 'product-card-price' ) {
	if ( ! $product instanceof WC_Product ) {
		return '';
	}

	$regular_price = $product->get_regular_price();
	$sale_price = $product->get_sale_price();

	$output = '<div class="' . esc_attr( $wrapper_class ) . '">';

	if ( $sale_price ) {
		$output .= '<h3 class="montserrat-bold text-red-primary">';
		$output .= matreshka_format_price( $sale_price, true, 'text-red-primary' );
		$output .= '</h3>';

		$output .= '<span class="montserrat-semibold text-dark-opacity price-old">' . matreshka_format_price( $regular_price ) . '</span>';
	} else {
		$output .= '<h3 class="montserrat-bold">';
		$output .= matreshka_format_price( $regular_price );
		$output .= '</h3>';
	}

	$output .= '</div>';

	return $output;
}

function matreshka_get_product_card_image_html( $product, $alt = '' ) {
	if ( ! $product instanceof WC_Product ) {
		return matreshka_get_product_card_placeholder_html();
	}

	$alt       = $alt ?: $product->get_name();
	$image_id  = (int) $product->get_image_id();
	$image_url = matreshka_get_product_card_image_url( $product );

	if ( $image_id && $image_url ) {
		$image_html = wp_get_attachment_image(
			$image_id,
			'woocommerce_thumbnail',
			false,
			array(
				'alt'                     => $alt,
				'class'                   => 'product-card-image',
				'loading'                 => 'lazy',
				'data-product-card-image' => 'true',
			)
		);

		if ( $image_html ) {
			return $image_html . matreshka_get_product_card_placeholder_html( 'product-card-placeholder product-card-placeholder-fallback' );
		}
	}

	return matreshka_get_product_card_placeholder_html();
}

function matreshka_get_product_card_image_url( $product, $size = 'woocommerce_thumbnail' ) {
	if ( ! $product instanceof WC_Product ) {
		return '';
	}

	$image_id = (int) $product->get_image_id();

	if ( ! $image_id ) {
		return '';
	}

	return wp_get_attachment_image_url( $image_id, $size ) ?: '';
}

function matreshka_get_product_card_placeholder_html( $class = 'product-card-placeholder' ) {
	$logo_url = get_template_directory_uri() . '/assets/icons/matreshka.svg';

	return sprintf(
		'<div class="%s" role="img" aria-label="%s"><img class="product-card-placeholder-logo" src="%s" alt=""></div>',
		esc_attr( $class ),
		esc_attr__( 'Изображение товара отсутствует', 'matreshka' ),
		esc_url( $logo_url )
	);
}

function matreshka_get_history_product_image_html( $product, $alt = '', $size = 'woocommerce_thumbnail' ) {
	$alt         = $alt ?: ( $product instanceof WC_Product ? $product->get_name() : __( 'Товар', 'matreshka' ) );
	$media_html  = '';
	$media_class = 'history-product-media';

	if ( $product instanceof WC_Product ) {
		$image_id = (int) $product->get_image_id();

		if ( $image_id && wp_get_attachment_image_url( $image_id, $size ) ) {
			$media_html = wp_get_attachment_image(
				$image_id,
				$size,
				false,
				array(
					'alt'                        => $alt,
					'class'                      => 'history-product-image',
					'loading'                    => 'lazy',
					'data-history-product-image' => 'true',
				)
			);
		}
	}

	if ( $media_html ) {
		$media_html .= matreshka_get_product_card_placeholder_html( 'product-card-placeholder history-product-placeholder history-product-placeholder-fallback' );
	} else {
		$media_html = matreshka_get_product_card_placeholder_html( 'product-card-placeholder history-product-placeholder' );
	}

	return sprintf(
		'<div class="%s">%s</div>',
		esc_attr( $media_class ),
		$media_html
	);
}

function matreshka_get_sale_badge( $product, $position = 'card' ) {
	$percentage = matreshka_get_sale_percentage( $product );

	if ( ! $percentage ) {
		return '';
	}

	$class = $position === 'single' ? 'sale-badge sale-badge-single' : 'sale-badge sale-badge-card';

	return '<span class="' . esc_attr( $class ) . '">-' . esc_html( $percentage ) . '%</span>';
}