<?php
/**
 * Review block
 *
 * @package ThemeIsle\GutenbergBlocks\Render
 */

namespace ThemeIsle\GutenbergBlocks\Render;

use ThemeIsle\GutenbergBlocks\Pro;

/**
 * Class Review_Block
 */
class Review_Block {

	/**
	 * Static variable to track if the schema has already been added.
	 *
	 * This is used to prevent adding the same schema multiple times on the same page.
	 *
	 * @var array
	 */
	private static $added_schemas = array();

	/**
	 * Block render function for server-side.
	 *
	 * This method will pe passed to the render_callback parameter and it will output
	 * the server side output of the block.
	 *
	 * @param array $attributes Blocks attrs.
	 * @return mixed|string
	 */
	public function render( $attributes ) {
		if ( isset( $attributes['product'] ) && intval( $attributes['product'] ) >= 0 && Pro::is_pro_installed() && class_exists( 'WooCommerce' ) ) {
			$attributes = apply_filters( 'otter_blocks_review_block_woocommerce', $attributes );
		}

		// Add a static variable to track if the schema has already been added.
		if ( isset( $attributes['title'] ) && ! empty( $attributes['title'] ) && isset( $attributes['features'] ) && count( $attributes['features'] ) > 0 && get_option( 'themeisle_blocks_settings_disable_review_schema', true ) ) {
			$post_id = get_the_ID();

			add_action(
				'wp_footer',
				function () use ( $attributes, $post_id ) {
					$added_schemas = &Review_Block::$added_schemas; // Reference the static property explicitly.

					if ( ! isset( $added_schemas[ $post_id ] ) ) {
						echo '<script type="application/ld+json">' . wp_json_encode( $this->get_json_ld( $attributes, $post_id ) ) . '</script>';
						$added_schemas[ $post_id ] = true; // Mark schema as added for this post ID.
					}
				}
			);
		}

		$id            = isset( $attributes['id'] ) ? esc_attr( $attributes['id'] ) : 'wp-block-themeisle-blocks-review-' . wp_rand( 10, 100 );
		$class         = '';
		$details_class = ( isset( $attributes['image'] ) && isset( $attributes['description'] ) && ! empty( $attributes['description'] ) ) ? '' : 'is-single ';
		$scale         = get_option( 'themeisle_blocks_settings_review_scale', false ) ? 2 : 1;

		if ( ! ( ( isset( $attributes['pros'] ) && count( $attributes['pros'] ) > 0 ) || ( isset( $attributes['cons'] ) && count( $attributes['cons'] ) > 0 ) ) ) {
			$class = 'no-pros-cons';
		}

		if ( ! ( isset( $attributes['links'] ) && count( $attributes['links'] ) > 0 ) ) {
			$class .= ' no-footer';
		}

		$details_width = array(
			25  => 'is-quarter',
			50  => 'is-half',
			100 => 'is-full',
		);

		$details_class .= isset( $attributes['imageWidth'] ) && 33 !== $attributes['imageWidth'] ? $details_width[ $attributes['imageWidth'] ] : '';

		$wrapper_attributes = get_block_wrapper_attributes(
			array(
				'id'    => $id,
				'class' => $class,
			)
		);

		$is_one_colum_layout = strpos( $wrapper_attributes, 'is-style-single-column' ) !== false;
		$is_inline_features  = strpos( $wrapper_attributes, 'is-style-inline-features' ) !== false;

		$main_heading = isset( $attributes['mainHeading'] ) ? esc_attr( $attributes['mainHeading'] ) : 'h2';
		$sub_heading  = isset( $attributes['subHeading'] ) ? esc_attr( $attributes['subHeading'] ) : 'h3';

		$html  = '<div ' . $wrapper_attributes . '>';
		$html .= '  <div class="o-review__header">';

		if ( isset( $attributes['title'] ) && ! empty( $attributes['title'] ) ) {
			$html .= '<' . $main_heading . '>' . esc_html( $attributes['title'] ) . '</' . $main_heading . '>';
		}

		$html .= '		<div class="o-review__header_meta">';
		$html .= '			<div class="o-review__header_ratings">';
		$html .= '			    <div class="o-review__header_ratings__stars">';
		$html .= $this->get_overall_stars( $this->get_overall_ratings( $attributes['features'] ), $scale );
		$html .= '			    </div>';
		$html .= '				<span>' . sprintf(
			// translators: %1$g is the overall rating, %2$g is the maximum rating.
			__( '%1$g out of %2$g', 'otter-blocks' ),
			$this->get_overall_ratings( $attributes['features'], $scale ), 
			10 / $scale 
		) . '</span>';
		$html .= '			</div>';

		if ( ( isset( $attributes['price'] ) && ! empty( $attributes['price'] ) ) || isset( $attributes['discounted'] ) ) {
			$html .= '			<span class="o-review__header_price">';

			if ( ( isset( $attributes['price'] ) && ! empty( $attributes['price'] ) ) && isset( $attributes['discounted'] ) ) {
				$html .= '			<del>' . self::get_currency( isset( $attributes['currency'] ) ? $attributes['currency'] : 'USD' ) . esc_html( $attributes['price'] ) . '</del>';
			}

			$html .= self::get_currency( isset( $attributes['currency'] ) ? $attributes['currency'] : 'USD' ) . ( isset( $attributes['discounted'] ) ? $attributes['discounted'] : $attributes['price'] );
			$html .= '			</span>';
		}

		$html .= '		</div>';
		if ( ( isset( $attributes['image'] ) || ( isset( $attributes['description'] ) && ! empty( $attributes['description'] ) ) ) ) {
			$html .= '	<div class="o-review__header_details ' . trim( esc_attr( $details_class ) ) . '">';
			if ( isset( $attributes['image'] ) ) {
				if ( isset( $attributes['image']['id'] ) && wp_attachment_is_image( $attributes['image']['id'] ) ) {
					// The alt stored on the block is editable in the inspector, so it wins over the Media Library one.
					$html .= wp_get_attachment_image(
						$attributes['image']['id'],
						isset( $attributes['imageSize'] ) ? esc_attr( $attributes['imageSize'] ) : 'medium',
						false,
						array( 'alt' => isset( $attributes['image']['alt'] ) ? $attributes['image']['alt'] : '' )
					);
				} else {
					$html .= '	<img src="' . esc_url( $attributes['image']['url'] ) . '" alt="' . ( isset( $attributes['image']['alt'] ) ? esc_attr( $attributes['image']['alt'] ) : '' ) . '"/>';
				}
			}

			if ( isset( $attributes['description'] ) && ! empty( $attributes['description'] ) ) {
				$html .= '	<p>' . wp_kses( $attributes['description'], array( 'br' => array() ) ) . '</p>';
			}
			$html .= '	</div>';
		}
		$html .= '  </div>';

		$html .= '	<div class="o-review__left">';

		if ( isset( $attributes['features'] ) && count( $attributes['features'] ) > 0 ) {
			$html .= '	<div class="o-review__left_features">';
			foreach ( $attributes['features'] as $feature ) {
				$html .= '	<div class="o-review__left_feature">';
				if ( isset( $feature['title'] ) ) {
					$html .= '	<span class="o-review__left_feature_title">' . esc_html( $feature['title'] ) . '</span>';
				}

				$html .= '		<div class="o-review__left_feature_ratings">';

				$html .= '         <div class="o-review__left_feature_ratings__stars">';
				$html .= $this->get_overall_stars( $feature['rating'], $scale );
				$html .= '         </div>';
				$html .= '			<span class="o-review__left_feature_num">' . sprintf(
					// translators: %1$g is the overall rating, %2$g is the maximum rating.
					__( '%1$g out of %2$g', 'otter-blocks' ),
					1 <= round( $feature['rating'] / $scale, 1 ) ? round( $feature['rating'] / $scale, 1 ) : 1, 
					10 / $scale
				) . '</span>';

				$html .= '		</div>';

				if ( isset( $feature['description'] ) ) {
					$html .= '	<span class="o-review__left_feature_description">' . esc_html( $feature['description'] ) . '</span>';
				}

				$html .= '	</div>';
			}
			$html .= '	</div>';
		}
		$html .= '	</div>';

		if ( ( isset( $attributes['pros'] ) && count( $attributes['pros'] ) > 0 ) || ( isset( $attributes['cons'] ) && count( $attributes['cons'] ) > 0 ) ) {
			$html .= '	<div class="o-review__right">';
			if ( isset( $attributes['pros'] ) && count( $attributes['pros'] ) > 0 ) {
				$html .= '	<div class="o-review__right_pros">';
				if ( isset( $attributes['prosLabel'] ) && ! empty( $attributes['prosLabel'] ) ) {
					$html .= '		<' . $sub_heading . '>' . esc_html( $attributes['prosLabel'] ) . '</' . $sub_heading . '>';
				}

				foreach ( $attributes['pros'] as $pro ) {
					$html .= '	<div class="o-review__right_pros_item">';
					$html .= '		<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M18.3 5.6L9.9 16.9l-4.6-3.4-.9 2.4 5.8 4.3 9.3-12.6z" /></svg>';
					$html .= '		<p>' . esc_html( $pro ) . '</p>';
					$html .= '	</div>';
				}
				$html .= '	</div>';
			}

			if ( isset( $attributes['cons'] ) && count( $attributes['cons'] ) > 0 ) {
				$html .= '	<div class="o-review__right_cons">';
				if ( isset( $attributes['consLabel'] ) && ! empty( $attributes['consLabel'] ) ) {
					$html .= '		<' . $sub_heading . '>' . esc_html( $attributes['consLabel'] ) . '</' . $sub_heading . '>';
				}

				foreach ( $attributes['cons'] as $con ) {
					$html .= '	<div class="o-review__right_cons_item">';
					$html .= '		<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M13 11.8l6.1-6.3-1-1-6.1 6.2-6.1-6.2-1 1 6.1 6.3-6.5 6.7 1 1 6.5-6.6 6.5 6.6 1-1z" /></svg>';
					$html .= '		<p>' . esc_html( $con ) . '</p>';
					$html .= '	</div>';
				}
				$html .= '	</div>';
			}
			$html .= '	</div>';
		}

		if ( isset( $attributes['links'] ) && count( $attributes['links'] ) > 0 ) {
			$html .= '	<div class="o-review__footer">';
			if ( isset( $attributes['buttonsLabel'] ) && ! empty( $attributes['buttonsLabel'] ) ) {
				$html .= '		<' . $sub_heading . ' class="o-review__footer_label">' . esc_html( $attributes['buttonsLabel'] ) . '</' . $sub_heading . '>';
			}

			$html .= '		<div class="o-review__footer_buttons">';

			foreach ( $attributes['links'] as $link ) {
				$rel   = ( isset( $link['isSponsored'] ) && true === $link['isSponsored'] ) ? 'sponsored' : 'nofollow';
				$html .= '	<a href="' . esc_url( $link['href'] ) . '" rel="' . $rel . '" target="' . ( empty( $link['target'] ) ? '_blank' : esc_attr( $link['target'] ) ) . '">' . esc_html( $link['label'] ) . '</a>';
			}
			$html .= '		</div>';
			$html .= '	</div>';
		}
		$html .= '</div>';

		return wp_kses_post( $html );
	}

	/**
	 * Get overall ratings
	 *
	 * @param array $features An array of features.
	 * @param int   $divide The scale of ratings.
	 *
	 * @return int
	 */
	public function get_overall_ratings( $features, $divide = 1 ) {
		if ( count( $features ) <= 0 ) {
			return 0;
		}

		$rating = array_reduce(
			$features,
			function ( $carry, $feature ) {
				$carry += $feature['rating'];
				return $carry;
			},
			0
		);

		$rating = round( ( $rating / count( $features ) ) / $divide, 1 );

		return 1 <= $rating ? $rating : 1;
	}

	/**
	 * Get overall ratings stars
	 *
	 * @param int $ratings Overall ratings of features.
	 * @param int $divide The scale of ratings.
	 *
	 * @return string
	 */
	public function get_overall_stars( $ratings = 0, $divide = 1 ) {
		$stars = '';

		for ( $i = 0; $i < 10 / $divide; $i++ ) {
			$class = '';

			if ( $i < round( $ratings / $divide ) ) {
				$class = 'filled';
			}

			$stars .= '<svg xmlns="http://www.w3.org/2000/svg" class="' . esc_attr( $class ) . '" viewbox="0 0 24 24"><path d="M11.776 4.454a.25.25 0 01.448 0l2.069 4.192a.25.25 0 00.188.137l4.626.672a.25.25 0 01.139.426l-3.348 3.263a.25.25 0 00-.072.222l.79 4.607a.25.25 0 01-.362.263l-4.138-2.175a.25.25 0 00-.232 0l-4.138 2.175a.25.25 0 01-.363-.263l.79-4.607a.25.25 0 00-.071-.222L4.754 9.881a.25.25 0 01.139-.426l4.626-.672a.25.25 0 00.188-.137l2.069-4.192z" /></svg>';
		}

		return $stars;
	}

	/**
	 * Generate JSON-LD schema
	 *
	 * @param array $attributes Block attributes.
	 * @param int   $post_id Post ID.
	 *
	 * @return array
	 */
	public function get_json_ld( $attributes, $post_id ) {
		$json = array(
			'@context' => 'https://schema.org/',
			'@type'    => 'Product',
			'name'     => esc_attr( $attributes['title'] ),
		);

		if ( isset( $attributes['image'] ) && isset( $attributes['image']['url'] ) ) {
			$json['image'] = esc_url( $attributes['image']['url'] );
		}

		if ( isset( $attributes['description'] ) && ! empty( $attributes['description'] ) ) {
			$json['description'] = esc_attr( $attributes['description'] );
		}

		$json['review'] = array(
			'@type'        => 'Review',
			'reviewRating' => array(
				'@type'       => 'Rating',
				'ratingValue' => $this->get_overall_ratings( $attributes['features'], 2 ),
				'bestRating'  => 5,
			),
			'author'       => array(
				'@type' => 'Person',
				'name'  => get_the_author_meta( 'display_name', intval( get_post_field( 'post_author', $post_id ) ) ),
			),
		);

		if ( isset( $attributes['pros'] ) && count( $attributes['pros'] ) > 0 ) {
			$count = 1;
			$items = array();

			foreach ( $attributes['pros'] as $pro ) {
				$item = array(
					'@type'    => 'ListItem',
					'position' => $count,
					'name'     => esc_html( $pro ),
				);

				++$count;

				array_push( $items, $item );
			}

			$json['review']['positiveNotes'] = array(
				'@type'           => 'ItemList',
				'itemListElement' => $items,
			);
		}

		if ( isset( $attributes['cons'] ) && count( $attributes['cons'] ) > 0 ) {
			$count = 1;
			$items = array();

			foreach ( $attributes['cons'] as $con ) {
				$item = array(
					'@type'    => 'ListItem',
					'position' => $count,
					'name'     => esc_html( $con ),
				);

				++$count;

				array_push( $items, $item );
			}

			$json['review']['negativeNotes'] = array(
				'@type'           => 'ItemList',
				'itemListElement' => $items,
			);
		}

		if ( isset( $attributes['links'] ) && count( $attributes['links'] ) > 0 ) {
			$offers = array();

			foreach ( $attributes['links'] as $link ) {
				if ( ! isset( $link['href'] ) || empty( $link['href'] ) ) {
					continue;
				}

				if ( ! isset( $attributes['price'] ) && ! isset( $attributes['discounted'] ) ) {
					continue;
				}

				$offer = array(
					'@type'         => 'Offer',
					'url'           => esc_url( $link['href'] ),
					'priceCurrency' => isset( $attributes['currency'] ) ? esc_attr( $attributes['currency'] ) : 'USD',
					'price'         => isset( $attributes['discounted'] ) ? esc_attr( $attributes['discounted'] ) : esc_attr( $attributes['price'] ),
				);

				array_push( $offers, $offer );
			}

			if ( count( $offers ) > 1 ) {
				$json['offers'] = $offers;
			} elseif ( count( $offers ) === 1 ) {
				$json['offers'] = $offers[0];
			}
		}

		return apply_filters( 'otter_blocks_review_block_schema', $json, $attributes );
	}

	/**
	 * Get currency symbol
	 *
	 * @param string $currency Currency.
	 *
	 * @return string
	 */
	public static function get_currency( $currency = 'USD' ) {
		$symbols = apply_filters(
			'themeisle_gutenberg_currency_symbols',
			array(
				'AED' => '&#x62f;.&#x625;',
				'AFN' => '&#x60b;',
				'ALL' => 'L',
				'AMD' => 'AMD',
				'ANG' => '&fnof;',
				'AOA' => 'Kz',
				'ARS' => '&#36;',
				'AUD' => '&#36;',
				'AWG' => 'Afl.',
				'AZN' => 'AZN',
				'BAM' => 'KM',
				'BBD' => '&#36;',
				'BDT' => '&#2547;&nbsp;',
				'BGN' => '&#1083;&#1074;.',
				'BHD' => '.&#x62f;.&#x628;',
				'BIF' => 'Fr',
				'BMD' => '&#36;',
				'BND' => '&#36;',
				'BOB' => 'Bs.',
				'BRL' => '&#82;&#36;',
				'BSD' => '&#36;',
				'BTC' => '&#3647;',
				'BTN' => 'Nu.',
				'BWP' => 'P',
				'BYR' => 'Br',
				'BYN' => 'Br',
				'BZD' => '&#36;',
				'CAD' => '&#36;',
				'CDF' => 'Fr',
				'CHF' => '&#67;&#72;&#70;',
				'CLP' => '&#36;',
				'CNY' => '&yen;',
				'COP' => '&#36;',
				'CRC' => '&#x20a1;',
				'CUC' => '&#36;',
				'CUP' => '&#36;',
				'CVE' => '&#36;',
				'CZK' => '&#75;&#269;',
				'DJF' => 'Fr',
				'DKK' => 'DKK',
				'DOP' => 'RD&#36;',
				'DZD' => '&#x62f;.&#x62c;',
				'EGP' => 'EGP',
				'ERN' => 'Nfk',
				'ETB' => 'Br',
				'EUR' => '&euro;',
				'FJD' => '&#36;',
				'FKP' => '&pound;',
				'GBP' => '&pound;',
				'GEL' => '&#x20be;',
				'GGP' => '&pound;',
				'GHS' => '&#x20b5;',
				'GIP' => '&pound;',
				'GMD' => 'D',
				'GNF' => 'Fr',
				'GTQ' => 'Q',
				'GYD' => '&#36;',
				'HKD' => '&#36;',
				'HNL' => 'L',
				'HRK' => 'kn',
				'HTG' => 'G',
				'HUF' => '&#70;&#116;',
				'IDR' => 'Rp',
				'ILS' => '&#8362;',
				'IMP' => '&pound;',
				'INR' => '&#8377;',
				'IQD' => '&#x639;.&#x62f;',
				'IRR' => '&#xfdfc;',
				'IRT' => '&#x062A;&#x0648;&#x0645;&#x0627;&#x0646;',
				'ISK' => 'kr.',
				'JEP' => '&pound;',
				'JMD' => '&#36;',
				'JOD' => '&#x62f;.&#x627;',
				'JPY' => '&yen;',
				'KES' => 'KSh',
				'KGS' => '&#x441;&#x43e;&#x43c;',
				'KHR' => '&#x17db;',
				'KMF' => 'Fr',
				'KPW' => '&#x20a9;',
				'KRW' => '&#8361;',
				'KWD' => '&#x62f;.&#x643;',
				'KYD' => '&#36;',
				'KZT' => '&#8376;',
				'LAK' => '&#8365;',
				'LBP' => '&#x644;.&#x644;',
				'LKR' => '&#xdbb;&#xdd4;',
				'LRD' => '&#36;',
				'LSL' => 'L',
				'LYD' => '&#x644;.&#x62f;',
				'MAD' => '&#x62f;.&#x645;.',
				'MDL' => 'MDL',
				'MGA' => 'Ar',
				'MKD' => '&#x434;&#x435;&#x43d;',
				'MMK' => 'Ks',
				'MNT' => '&#x20ae;',
				'MOP' => 'P',
				'MRU' => 'UM',
				'MUR' => '&#x20a8;',
				'MVR' => '.&#x783;',
				'MWK' => 'MK',
				'MXN' => '&#36;',
				'MYR' => '&#82;&#77;',
				'MZN' => 'MT',
				'NAD' => 'N&#36;',
				'NGN' => '&#8358;',
				'NIO' => 'C&#36;',
				'NOK' => '&#107;&#114;',
				'NPR' => '&#8360;',
				'NZD' => '&#36;',
				'OMR' => '&#x631;.&#x639;.',
				'PAB' => 'B/.',
				'PEN' => 'S/',
				'PGK' => 'K',
				'PHP' => '&#8369;',
				'PKR' => '&#8360;',
				'PLN' => '&#122;&#322;',
				'PRB' => '&#x440;.',
				'PYG' => '&#8370;',
				'QAR' => '&#x631;.&#x642;',
				'RMB' => '&yen;',
				'RON' => 'lei',
				'RSD' => '&#1088;&#1089;&#1076;',
				'RUB' => '&#8381;',
				'RWF' => 'Fr',
				'SAR' => '&#x631;.&#x633;',
				'SBD' => '&#36;',
				'SCR' => '&#x20a8;',
				'SDG' => '&#x62c;.&#x633;.',
				'SEK' => '&#107;&#114;',
				'SGD' => '&#36;',
				'SHP' => '&pound;',
				'SLL' => 'Le',
				'SOS' => 'Sh',
				'SRD' => '&#36;',
				'SSP' => '&pound;',
				'STN' => 'Db',
				'SYP' => '&#x644;.&#x633;',
				'SZL' => 'L',
				'THB' => '&#3647;',
				'TJS' => '&#x405;&#x41c;',
				'TMT' => 'm',
				'TND' => '&#x62f;.&#x62a;',
				'TOP' => 'T&#36;',
				'TRY' => '&#8378;',
				'TTD' => '&#36;',
				'TWD' => '&#78;&#84;&#36;',
				'TZS' => 'Sh',
				'UAH' => '&#8372;',
				'UGX' => 'UGX',
				'USD' => '&#36;',
				'UYU' => '&#36;',
				'UZS' => 'UZS',
				'VEF' => 'Bs F',
				'VES' => 'Bs.S',
				'VND' => '&#8363;',
				'VUV' => 'Vt',
				'WST' => 'T',
				'XAF' => 'CFA',
				'XCD' => '&#36;',
				'XOF' => 'CFA',
				'XPF' => 'Fr',
				'YER' => '&#xfdfc;',
				'ZAR' => '&#82;',
				'ZMW' => 'ZK',
			)
		);

		$symbol = isset( $symbols[ $currency ] ) ? $symbols[ $currency ] : '&#36;';

		return $symbol;
	}
}
