class LLMS_Reviews {

	/**
	 * This is the constructor for this class.
	 *
	 * It takes care of attaching the functions in this file to the
	 * appropriate actions.
	 * These actions are:
	 * 1) Output after course info.
	 * 2) Output after membership info.
	 * 3 & 4) Add function call to the proper AJAX call.
	 *
	 * @since 3.1.3
	 *
	 * @return void
	 */
	public function __construct() {
		add_action( 'wp_ajax_LLMSSubmitReview', array( $this, 'process_review' ) );
		add_action( 'wp_ajax_nopriv_LLMSSubmitReview', array( $this, 'process_review' ) );
	}

	/**
	 * This function handles the HTML output of the reviews and review form.
	 * If the option is enabled, the review form will be output,
	 * if not, nothing will happen. This function also checks to
	 * see if a user is allowed to review more than once.
	 *
	 * @since 1.2.7
	 * @since 3.24.0 Unknown.
	 * @since 7.1.3 Improve inline styles, escape output.
	 *
	 * @return void
	 */
	public static function output() {

		/**
		 * Check to see if we are supposed to output the code at all.
		 */
		if ( get_post_meta( get_the_ID(), '_llms_display_reviews', true ) ) {

			/**
			 * Filters the reviews section title.
			 *
			 * @since 1.2.7
			 *
			 * @param string $section_title The section title.
			 */
			$section_title = apply_filters( 'lifterlms_reviews_section_title', __( 'What Others Have Said', 'lifterlms' ) );

			?>
			<div id="old_reviews">
				<h3><?php echo esc_html( $section_title ); ?></h3>
				<?php
				$args = array(
					'posts_per_page'   => get_post_meta( get_the_ID(), '_llms_num_reviews', true ),
					'post_type'        => 'llms_review',
					'post_status'      => 'publish',
					'post_parent'      => get_the_ID(),
					'suppress_filters' => true,
				);

				$posts_array = get_posts( $args );

				/**
				 * Allow review custom styles to be filtered.
				 *
				 * @since 1.2.7
				 *
				 * @param array $styles Array of custom styles.
				 */
				$styles = apply_filters(
					'llms_review_custom_styles',
					array(
						'background-color' => '#efefef',
						'title-color'      => 'inherit',
						'text-color'       => 'inherit',
						'custom-css'       => '',
					)
				);

				$inline_styles = '';

				if ( $styles['background-color'] ?? '' ) {
					$inline_styles .= '.llms_review{background-color:' . $styles['background-color'] . '}';
				}

				if ( $styles['title-color'] ?? '' ) {
					$inline_styles .= '.llms_review h5{color:' . $styles['title-color'] . '}';
				}

				if ( $styles['text-color'] ?? '' ) {
					$inline_styles .= '.llms_review h6,.llms_review p{color:' . $styles['text-color'] . '}';
				}

				if ( $styles['custom-css'] ?? '' ) {

					// Remove style tags in case they were added with the filter.
					$inline_styles .= str_replace( array( '<style>', '</style>' ), '', $styles['custom-css'] );
				}

				if ( $inline_styles ) {
					echo '<style id="llms_review_custom_styles">' . $inline_styles . '</style>';
				}

				foreach ( $posts_array as $post ) {
					?>
					<div class="llms_review">
						<h5><strong><?php echo get_the_title( $post->ID ); ?></strong></h5>
						<h6>
							<?php
							// Translators: %s = The author display name.
							echo esc_html( sprintf( __( 'By: %s', 'lifterlms' ), get_the_author_meta( 'display_name', get_post_field( 'post_author', $post->ID ) ) ) );
							?>
						</h6>
						<p><?php echo esc_html( get_post_field( 'post_content', $post->ID ) ); ?></p>
					</div>
					<?php
				}
				?>
				<hr>
			</div>
			<?php
		}

		/**
		 * Check to see if reviews are open.
		 */
		if ( get_post_meta( get_the_ID(), '_llms_reviews_enabled', true ) && is_user_logged_in() ) {

			/**
			 * Look for previous reviews that we have written on this course.
			 *
			 * @var array $posts_array Array of posts.
			 */
			$args        = array(
				'posts_per_page'   => 1,
				'post_type'        => 'llms_review',
				'post_status'      => 'publish',
				'post_parent'      => get_the_ID(),
				'author'           => get_current_user_id(),
				'suppress_filters' => true,
			);
			$posts_array = get_posts( $args );

			/**
			 * Filters the thank you text.
			 *
			 * @since 1.2.7
			 *
			 * @param string $thank_you_text The thank you text.