<?php

namespace CodeflistBlockKit\Blocks\Testimonials;

use CodeflistBlockKit\Core\Traits\SanitizesLayout;

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

class Helpers {

	use SanitizesLayout;

	const LAYOUTS        = array( 'template-1', 'template-2', 'template-3', 'template-4', 'template-5', 'template-6' );
	const DEFAULT_LAYOUT = 'template-1';

	/**
	 * The 5 social platforms this block supports, in the order they render.
	 * Keys match `testimonials[].social` attribute keys; values are the
	 * Font Awesome 4.6.3 icon class suffix for each. Font Awesome is
	 * bundled the same way every other block in this plugin does it (see
	 * styles/_fontawesome.scss) -- compiled directly into
	 * style-index.css / index.css rather than enqueued as a separate
	 * stylesheet, which is what reliably reaches both the front end and
	 * the block editor's iframed canvas.
	 */
	public static function social_platforms(): array {
		return array(
			'facebook'  => 'fa-facebook',
			'twitter'   => 'fa-twitter',
			'linkedin'  => 'fa-linkedin',
			'instagram' => 'fa-instagram',
			'youtube'   => 'fa-youtube',
		);
	}

	/**
	 * Resolves the image URL for a testimonial's `image` attribute value,
	 * falling back to the URL captured at selection time if the attachment
	 * no longer exists.
	 *
	 * @param array  $image Item image data: [ 'id' => int, 'url' => string ].
	 * @param string $size  Registered image size name.
	 */
	public static function image_url( array $image, string $size = 'thumbnail' ): string {
		if ( ! empty( $image['id'] ) ) {
			$url = wp_get_attachment_image_url( (int) $image['id'], $size );

			if ( $url ) {
				return $url;
			}
		}

		return $image['url'] ?? '';
	}

	public static function format_date( string $raw_date ): string {
		if ( '' === trim( $raw_date ) ) {
			return '';
		}

		$timestamp = strtotime( $raw_date );

		if ( false === $timestamp ) {
			return $raw_date;
		}

		return date_i18n( get_option( 'date_format', 'F j, Y' ), $timestamp );
	}

	/**
	 * Filters the configured social platforms down to only the ones this
	 * testimonial has a non-empty URL for.
	 */
	public static function active_social_links( array $item ): array {
		$social = is_array( $item['social'] ?? null ) ? $item['social'] : array();
		$active = array();

		foreach ( self::social_platforms() as $key => $icon_class ) {
			if ( ! empty( $social[ $key ] ) ) {
				$active[ $key ] = array(
					'url'  => $social[ $key ],
					'icon' => $icon_class,
				);
			}
		}

		return $active;
	}

	/**
	 * Builds the class list for a testimonial's `.cfbk-testimonial-display-wrapper`
	 * card, shared by every template (templates/template-1.php etc.) so the
	 * "no image" reflow class doesn't have to be duplicated in each one.
	 *
	 * @param array $item  A single testimonials[] entry.
	 * @param array $extra Extra classes specific to the calling template
	 *                     (e.g. template-3's 'cfbk-alt-left' / 'cfbk-alt-right').
	 */
	public static function wrapper_classes( array $item, array $extra = array() ): string {
		$classes = array_merge( array( 'cfbk-testimonial-display-wrapper', 'cfbk-grid-boxes' ), $extra );

		if ( empty( $item['image']['url'] ) && empty( $item['image']['id'] ) ) {
			$classes[] = 'cfbk-no-img-class';
		}

		return implode( ' ', $classes );
	}
}