<?php
/**
 * Customize Default WP Comments Section (Woo-safe)
 *
 * - Adds recipe/product star rating UI to comment form on supported post types
 * - Saves rating to comment meta
 * - Renders rating above comment text
 * - Removes Woo reviews title (Woo-only)
 * - Injects average rating in a couple places (only if helper exists)
 */

/**
 * Helpers
 */
function fmc_has_is_product(): bool {
	return function_exists('is_product');
}

function fmc_is_product_page(): bool {
	return fmc_has_is_product() && is_product();
}

function fmc_is_rating_context(): bool {
	// We only show rating UI on these contexts
	if ( is_singular('recipes') ) return true;
	if ( is_singular('meal-plans') ) return true;
	if ( fmc_is_product_page() ) return true;
	return false;
}

/**
 * Rating UI HTML appended to comment form
 */
function fmc_get_rating_html(): string {
	$is_product = fmc_is_product_page();

	ob_start();
	?>

	<?php if ( ! $is_product ) : ?>
		<div class="rating-checkbox-wrap">
			<input id="use-rating" name="use-rating" type="checkbox" value="1">
			<label style="display:block" for="use-rating">
				<?php esc_html_e('I have made this recipe', 'fitmmencook'); ?>
			</label>
		</div>
	<?php endif; ?>

	<select name="rateRecipe" id="recipe-rate">
		<option value="0">Rate it</option>
		<option value="1">1</option>
		<option value="2">2</option>
		<option value="3">3</option>
		<option value="4">4</option>
		<option value="5">5</option>
	</select>

	<div class="recipe_rate-wrapper <?php echo $is_product ? '' : 'disabled'; ?>">
		<p class="recipe-rate-label"><?php esc_html_e('Rate the recipe:', 'fitmenCook'); ?></p>
		<div
			class="rateit svg"
			data-rateit-starwidth="19"
			data-rateit-starheight="16"
			data-rateit-resetable="false"
			data-rateit-backingfld="#recipe-rate"
			data-rateit-min="0"
		></div>
	</div>

	<?php if ( $is_product ) : ?>
		<input type="hidden" name="postType" value="single-product">
	<?php endif; ?>

	<?php
	return (string) ob_get_clean();
}

/**
 * Append rating UI to the comment textarea field (on supported post types)
 */
add_filter('comment_form_field_comment', 'fmc_render_stars', 99, 1);
function fmc_render_stars($comment_field) {
	if ( ! fmc_is_rating_context() ) {
		return $comment_field;
	}
	return $comment_field . fmc_get_rating_html();
}

/**
 * Save rating on comment_post
 */
add_action( 'comment_post', 'fmc_save_rating_value', 10, 3 );
function fmc_save_rating_value( $comment_id, $approved, $commentdata ) {
	// Only top-level comments
	if ( empty($commentdata['comment_parent']) || (int)$commentdata['comment_parent'] !== 0 ) {
		return;
	}

	// Only for our contexts (guarded)
	// Note: On comment_post, conditionals may still work, but we keep it simple and rely on submitted fields.
	$recipe_rating = isset($_POST['rateRecipe']) ? (int) wp_strip_all_tags($_POST['rateRecipe']) : 0;
	$use_rating    = !empty($_POST['use-rating']); // checkbox
	$post_type_tag = isset($_POST['postType']) ? wp_strip_all_tags($_POST['postType']) : '';

	// Clamp rating 0..5
	if ( $recipe_rating < 0 ) $recipe_rating = 0;
	if ( $recipe_rating > 5 ) $recipe_rating = 5;

	// Save only if user opted in (recipes) OR it's a product review context.
	if ( $use_rating || $post_type_tag === 'single-product' ) {
		update_comment_meta( $comment_id, 'rating', $recipe_rating );
	}
}

/**
 * Render rating above the comment text (front-end only, supported contexts only)
 */
add_filter( 'comment_text', 'fmc_add_rating_to_review_text', 10, 1 );
function fmc_add_rating_to_review_text( $text ) {

	// Never alter in admin
	if ( is_admin() ) return $text;

	// Only in our supported contexts
	if ( ! fmc_is_rating_context() ) return $text;

	$comment_id = get_comment_ID();
	if ( ! $comment_id ) return $text;

	$rating  = get_comment_meta( $comment_id, 'rating', true );
	$comment = get_comment( $comment_id );

	// No rating? No extra UI
	if ( $rating === '' || $rating === null || $rating === false ) return $text;

	// Only for top-level comments
	if ( $comment && (int)$comment->comment_parent !== 0 ) return $text;

	$date = get_comment_date('M d Y', $comment_id);

	$rating_val = esc_attr($rating);
	$date_html  = esc_html($date);

	$rating_html = '<div class="comment-items">
		<div class="rateit" data-rateit-starwidth="19" data-rateit-starheight="16" data-rateit-value="'.$rating_val.'" data-rateit-ispreset="true" data-rateit-readonly="true"></div>
		<p class="comment-date"> '.$date_html.' </p>
	</div>';

	return $rating_html . $text;
}

/**
 * Comment default params
 */
add_filter('comment_form_defaults', 'fmc_comment_default_params', 20);
function fmc_comment_default_params( $defaults ) {
	$defaults['title_reply'] = __('Reviews', 'fitmenCook');
	return $defaults;
}

/**
 * Woo comment title remove (Woo-only filter)
 */
if ( function_exists('add_filter') ) {
	add_filter('woocommerce_reviews_title', 'fmc_remove_woo_comments_title');
}
function fmc_remove_woo_comments_title () {
	return false;
}

/**
 * Avg rating hooks:
 * - Woo single product summary (Woo-only)
 * - Before comment form (anywhere)
 *
 * Only call if helper function exists to avoid fatals.
 */
if ( function_exists('add_action') ) {

	// Woo-only hook name is harmless to register, but the callback must not assume Woo exists.
	add_action('woocommerce_single_product_summary', function() {
		if ( function_exists('get_avarage_rating') ) {
			get_avarage_rating(get_the_ID(), "sidebar");
		}
	});

	add_action('comment_form_before', function() {
		if ( function_exists('get_avarage_rating') ) {
			get_avarage_rating(get_the_ID(), "");
		}
	});
}