<?php
/**
 * Plugin Name: Accordly – Smart FAQ Schema
 * Description: Advanced FAQ management with FAQPage schema markup, 5 accordion UI styles, per-post controls, bulk checker, and full customisation options — built for Classic Editor, Block Editor, and Elementor.
 * Version:     1.1.5
 * Author:      syedmaasif
 * Author URI:  https://profiles.wordpress.org/syedmaasif/
 * License:     GPL v2 or later
 * Text Domain: accordly-smart-faq-schema
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

define( 'SFAQ_VERSION',     '1.1.5' );
define( 'SFAQ_PLUGIN_FILE', __FILE__ );
define( 'SFAQ_PLUGIN_DIR',  plugin_dir_path( __FILE__ ) );
define( 'SFAQ_PLUGIN_URL',  plugin_dir_url( __FILE__ ) );

require_once SFAQ_PLUGIN_DIR . 'includes/class-sfaq-settings.php';
require_once SFAQ_PLUGIN_DIR . 'includes/class-sfaq-admin.php';
require_once SFAQ_PLUGIN_DIR . 'includes/class-sfaq-frontend.php';
require_once SFAQ_PLUGIN_DIR . 'includes/class-sfaq-schema.php';
require_once SFAQ_PLUGIN_DIR . 'includes/class-sfaq-bulk.php';

final class SFAQ_Plugin {

	private static $instance = null;

	public static function get_instance() {
		if ( null === self::$instance ) {
			self::$instance = new self();
		}
		return self::$instance;
	}

	private function __construct() {
		register_activation_hook( SFAQ_PLUGIN_FILE,   [ $this, 'activate' ] );
		register_deactivation_hook( SFAQ_PLUGIN_FILE, [ $this, 'deactivate' ] );
		add_action( 'plugins_loaded', [ $this, 'init' ] );
	}

	public function init() {
		SFAQ_Settings::get_instance();
		SFAQ_Admin::get_instance();
		SFAQ_Frontend::get_instance();
		SFAQ_Schema::get_instance();
		SFAQ_Bulk::get_instance();
	}

	public function activate() {
		if ( ! get_option( 'sfaq_settings' ) ) {
			update_option( 'sfaq_settings', SFAQ_Settings::get_defaults() );
		}
		update_option( 'sfaq_show_guide', '1' );
	}

	public function deactivate() {
		// intentionally empty
	}

	/**
	 * Helper: read a single global setting with fallback to default.
	 */
	public static function get_setting( $key, $fallback = null ) {
		static $cache = null;
		if ( null === $cache ) {
			$cache = get_option( 'sfaq_settings', [] );
		}
		$defaults = SFAQ_Settings::get_defaults();
		if ( isset( $cache[ $key ] ) && $cache[ $key ] !== '' ) {
			return $cache[ $key ];
		}
		if ( isset( $defaults[ $key ] ) ) {
			return $defaults[ $key ];
		}
		return $fallback;
	}

	/**
	 * Helper: get FAQ items for a post (returns array of [question, answer]).
	 */
	public static function get_faq_items( $post_id ) {
		$items = get_post_meta( $post_id, '_sfaq_items', true );
		if ( ! is_array( $items ) ) {
			return [];
		}
		// filter out rows with no question
		return array_values( array_filter( $items, function( $row ) {
			return ! empty( trim( $row['question'] ?? '' ) );
		} ) );
	}

	/**
	 * Helper: does this post have at least one FAQ?
	 */
	public static function has_faqs( $post_id ) {
		return count( self::get_faq_items( $post_id ) ) > 0;
	}
}

SFAQ_Plugin::get_instance();