<?php
declare(strict_types=1);

namespace Imagify\Media\Upload;

/**
 * Upload Media Class.
 */
class Upload {
	/**
	 * Adds a dropdown that allows filtering on the attachments Imagify status.
	 *
	 * @return void
	 */
	public function add_imagify_filter_to_attachments_dropdown() {
		$data = [];

		/**
		 * Tell if imagify stats query should run.
		 *
		 * @param bool  $boolean True if the query should be run. False otherwise.
		 */
		if ( wpm_apply_filters_typed( 'boolean', 'imagify_display_library_stats', false ) ) {
			$data['optimized']   = imagify_count_optimized_attachments();
			$data['unoptimized'] = imagify_count_unoptimized_attachments();
			$data['errors']      = imagify_count_error_attachments();

		}

		$status  = isset( $_GET['imagify-status'] ) ? sanitize_text_field( wp_unslash( $_GET['imagify-status'] ) ) : 0;
		$options = [
			'optimized'   => _x( 'Optimized', 'Media Files', 'imagify' ),
			'unoptimized' => _x( 'Unoptimized', 'Media Files', 'imagify' ),
			'errors'      => _x( 'Errors', 'Media Files', 'imagify' ),
		];

		/**
		 * Nothing can be missing a next-gen version when no next-gen format is being generated,
		 * so the filter would only ever return an empty list. Offer it when it can do something.
		 */
		if ( ! empty( imagify_nextgen_images_formats() ) ) {
			$options['missing-nextgen'] = _x( 'Missing Next-Gen', 'Media Files', 'imagify' );
		}

		echo '<label class="screen-reader-text" for="filter-by-optimization-status">' . esc_html__( 'Filter by status', 'imagify' ) . '</label>';
		echo '<select id="filter-by-optimization-status" name="imagify-status">';
		echo '<option value="0" selected="selected">' . esc_html__( 'All Media Files', 'imagify' ) . '</option>';

		foreach ( $options as $value => $label ) {
			$filter_value = isset( $data[ $value ] ) ? ' (' . $data[ $value ] . ')' : '';
			echo '<option value="' . esc_attr( $value ) . '" ' . selected( $status, $value, false ) . '>' . esc_html( $label ) . esc_html( $filter_value ) . '</option>';
		}
		echo '</select>&nbsp;';
	}
}