<?php

namespace UkrSolution\WpLabelsPrinting4\LabelDataMakers\Shortcodes\Woocommerce;

use UkrSolution\WpLabelsPrinting4\Database;
use UkrSolution\WpLabelsPrinting4\Helpers\Variables;

class MainGallery extends ProductImageUrl
{
    const SHOW_IN_MATCHING = 0;
    const DOC_LINES = array(
        'Main gallery image url:' => '[main_gallery image-number="1" use_main_if_no_gallery=true]',
    );

    public $display_name = 'Main gallery image url';

    public function getValue($post, $field)
    {
        $imageSize = get_option(Database::$optionPostImageSize, 'medium');
        $galleryImageIndex = isset($field['args']['image-number']) && !empty(intval($field['args']['image-number']))
            ? intval($field['args']['image-number']) - 1
            : 0;

        if (in_array($post->post_type, array('product_variation', 'product'))) {
            $galleryImagesIds = (new \WC_product('product_variation' === $post->post_type ? $post->post_parent : $post->ID))->get_gallery_image_ids();
        } else {
            $galleryImagesIds = array();
        }

        $useMainIfNoGallery = isset($field['args']['use_main_if_no_gallery']) && 'true' === $field['args']['use_main_if_no_gallery'];

        return isset($galleryImagesIds[$galleryImageIndex])
            ? wp_get_attachment_image_url($galleryImagesIds[$galleryImageIndex], $imageSize)
            : ($useMainIfNoGallery ? $this->getProductImageUrl($post, $field) : Variables::$A4B_PLUGIN_BASE_URL . 'assets/img/no-gallery-image.png');
    }
}