<?php
/**
 * Plugin bootstrap (singleton), activation, hooks.
 *
 * @package Gcco\AiViewSync
 */

namespace Gcco\AiViewSync;

defined( 'ABSPATH' ) || exit;

/**
 * Main plugin class.
 */
class Plugin {

	/**
	 * @var self|null
	 */
	protected static $instance = null;

	/**
	 * @var Output|null
	 */
	protected $output;

	/**
	 * @var Admin|null
	 */
	protected $admin;

	/**
	 * @var Connector|null
	 */
	protected $connector;

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

	protected function __construct() {
		$this->output    = new Output();
		$this->connector = new Connector();
		$this->admin     = new Admin( $this->connector );

		$this->output->register();
		add_filter( 'allowed_redirect_hosts', array( $this->connector, 'filter_allowed_redirect_hosts' ) );
		add_action( 'admin_init', array( $this->connector, 'handle_connect_request' ) );
		add_action( 'admin_init', array( $this->connector, 'handle_callback_request' ), 1 );

		add_action( 'admin_post_aivisy_save_manual', array( $this->admin, 'handle_save_manual' ) );
		add_action( 'admin_post_aivisy_set_mode', array( $this->admin, 'handle_set_mode' ) );
		add_action( 'admin_post_aivisy_disconnect', array( $this->admin, 'handle_disconnect' ) );
		add_action( 'admin_post_aivisy_sync', array( $this->admin, 'handle_sync' ) );
		add_action( 'admin_post_aivisy_bind_property', array( $this->admin, 'handle_bind_property' ) );
		add_action( 'admin_post_aivisy_save_exclusions', array( $this->admin, 'handle_save_exclusions' ) );
		add_action( 'admin_post_aivisy_save_root_file', array( $this->admin, 'handle_save_root_file' ) );
		add_action( 'admin_post_aivisy_merge_wordpress', array( $this->admin, 'handle_merge_wordpress_only' ) );

		Sync_Remote::register();
	}

	/**
	 * Activation: ensure defaults + rewrite rules.
	 */
	public static function activate() {
		$opt = get_option( Settings::OPTION_KEY, null );
		if ( null === $opt ) {
			add_option( Settings::OPTION_KEY, Settings::sanitize_all( Settings::defaults() ), '', false );
		}
		Output::flush_rewrite_rules();
	}

	/**
	 * Deactivation: flush rewrite rules.
	 */
	public static function deactivate() {
		flush_rewrite_rules( false );
	}
}