<?php
/**
 * TMDO_Adapter_Comment - Comment 實體適配器
 *
 * @package WP_Data_Optimizer
 */

// phpcs:disable Squiz.Commenting,Generic.Commenting,WordPress.DB.PreparedSQL.NotPrepared,WordPress.DB.PreparedSQL.InterpolatedNotPrepared,WordPress.DB.PreparedSQLPlaceholders.ReplacementsWrongNumber,Generic.CodeAnalysis.UnusedFunctionParameter,Generic.CodeAnalysis.EmptyStatement,Squiz.PHP.DisallowMultipleAssignments,Squiz.PHP.DisallowSizeFunctionsInLoops,WordPress.WP.I18n.MissingTranslatorsComment,WordPress.PHP.NoSilencedErrors,WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents,Squiz.PHP.CommentedOutCode,Universal.NamingConventions.NoReservedKeywordParameterNames,WordPress.PHP.YodaConditions,Squiz.Commenting.InlineComment.InvalidEndChar -- PR-1 ported from UAE; cleanup PR scheduled.


defined( 'ABSPATH' ) || exit;

final class TMDO_Adapter_Comment implements TMDO_Entity_Adapter_Interface {

	public function get_entity_type(): string {
		return 'comment';
	}

	public function get_native_meta_table(): string {
		global $wpdb;
		return $wpdb->commentmeta;
	}

	public function get_entity_id_column(): string {
		return 'comment_id';
	}

	public function get_primary_table(): string {
		global $wpdb;
		return $wpdb->comments;
	}

	public function get_primary_id_column(): string {
		return 'comment_ID';
	}

	public function get_cache_group(): string {
		return 'wpdo_comment_profile';
	}

	public function get_delete_hook(): string {
		return 'delete_comment';
	}

	public function extend_native_query( $query_object ): void {
		if ( ! ( $query_object instanceof WP_Comment_Query ) ) {
			return;
		}

		$wpdo_query = $query_object->query_vars['wpdo_meta_query'] ?? null;
		if ( empty( $wpdo_query ) || ! is_array( $wpdo_query ) ) {
			return;
		}

		// WP_Comment_Query 使用 comments_clauses filter
		add_filter(
			'comments_clauses',
			function ( $clauses ) use ( $wpdo_query ) {
				$compiled = TMDO_Query_Compiler::compile( 'comment', $wpdo_query );

				if ( ! empty( $compiled['joins'] ) ) {
					$clauses['join'] .= ' ' . implode( ' ', $compiled['joins'] );
				}

				if ( ! empty( $compiled['where'] ) ) {
					$clauses['where'] .= ' AND (' . implode( ' AND ', $compiled['where'] ) . ')';
				}

				return $clauses;
			},
			10,
			1
		);
	}

	public function get_entity_ids_after( int $after_id, int $limit ): array {
		global $wpdb;

		return array_map(
			'intval',
			$wpdb->get_col(
				$wpdb->prepare(
					"SELECT comment_ID FROM `{$wpdb->comments}` WHERE comment_ID > %d ORDER BY comment_ID ASC LIMIT %d",
					$after_id,
					$limit
				)
			) ?: array()
		);
	}
}

// 註冊 pre_get_comments hook(unit test 下 add_action 未載入時跳過)
if ( function_exists( 'add_action' ) ) {
	add_action(
		'pre_get_comments',
		function ( $query ) {
			$adapter = TMDO_Entity_Registry::get_adapter( 'comment' );
			if ( $adapter ) {
				$adapter->extend_native_query( $query );
			}
		},
		10,
		1
	);
}