<?php
/**
 * The core plugin class.
 *
 * This is used to define core functionality of the plugin
 * including hooks, filters, and class initialization.
 *
 * @since      1.0.0
 * @package    Acumenpopup
 * @subpackage Acumenpopup/includes
 */

namespace Acumenpopup;

// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Class Plugin
 *
 * The core plugin orchestrator class (Singleton).
 * Coordinates all plugin components and initializes features.
 *
 * @since   1.0.0
 * @package Acumenpopup
 */
final class Plugin {

	/**
	 * The single instance of the class.
	 *
	 * @since  1.0.0
	 * @access private
	 * @var    Plugin|null
	 */
	private static $instance = null;

	/**
	 * Array of initialized components.
	 *
	 * @since  1.0.0
	 * @access private
	 * @var    array
	 */
	private $components = array();

	/**
	 * Private constructor to prevent direct instantiation.
	 *
	 * @since  1.0.0
	 * @access private
	 */
	private function __construct() {
		$this->init_hooks();
		$this->init_components();
	}

	/**
	 * Get the single instance of the Plugin.
	 *
	 * @since  1.0.0
	 * @access public
	 *
	 * @return Plugin The single instance.
	 */
	public static function get_instance() {
		if ( is_null( self::$instance ) ) {
			self::$instance = new self();
		}

		return self::$instance;
	}

	/**
	 * Initialize WordPress hooks.
	 *
	 * @since  1.0.0
	 * @access private
	 *
	 * @return void
	 */
	private function init_hooks() {
		// Activation hook.
		register_activation_hook( ACUMENPOPUP__FILE__, array( $this, 'activate' ) );

		// Deactivation hook.
		register_deactivation_hook( ACUMENPOPUP__FILE__, array( $this, 'deactivate' ) );
	}

	/**
	 * Initialize all plugin components.
	 *
	 * @since  1.0.0
	 * @access private
	 *
	 * @return void
	 */
	private function init_components() {
		// Settings must be first so its hooks are registered before other components.
		$this->components['settings_manager'] = Core\Settings_Manager::get_instance();

		// Core components.
		$this->components['category']      = Blocks\Category::get_instance();
		$this->components['register']      = Blocks\Register::get_instance();
		$this->components['assets']        = Core\Assets::get_instance();
		$this->components['dynamic_style'] = Core\Dynamic_Style::get_instance();
		$this->components['fonts_loader']  = Core\Fonts_Loader::get_instance();
		$this->components['svg_support']   = Core\SVG_Support::get_instance();
		$this->components['form_handler']  = Form\Handler::get_instance();
		$this->components['tracker']       = Core\Tracker::get_instance();

		// Dashboard components.
		$this->components['admin_menu']    = Dashboard\Admin_Menu::get_instance();
		$this->components['campaigns']     = Dashboard\Campaigns::get_instance();
		$this->components['ab_testing']    = Dashboard\AB_Testing::get_instance();
	}

	/**
	 * Plugin activation callback.
	 *
	 * Runs when the plugin is activated.
	 *
	 * @since  1.0.0
	 * @access public
	 *
	 * @return void
	 */
	public function activate() {
		// Set activation redirect flag.
		add_option( 'acumenpopup_do_activation_redirect', true );

		// Flush rewrite rules on activation (safe here, not on every request).
		flush_rewrite_rules();
	}

	/**
	 * Plugin deactivation callback.
	 *
	 * Runs when the plugin is deactivated.
	 *
	 * @since  1.0.0
	 * @access public
	 *
	 * @return void
	 */
	public function deactivate() {
		// Flush rewrite rules on deactivation.
		flush_rewrite_rules();
	}

	/**
	 * Get a specific component instance.
	 *
	 * @since  1.0.0
	 * @access public
	 *
	 * @param string $component The component name.
	 *
	 * @return object|null The component instance or null if not found.
	 */
	public function get_component( $component ) {
		return isset( $this->components[ $component ] ) ? $this->components[ $component ] : null;
	}

	/**
	 * Prevent cloning of the instance.
	 *
	 * @since  1.0.0
	 * @access public
	 *
	 * @return void
	 */
	public function __clone() {
		_doing_it_wrong(
			__FUNCTION__,
			esc_html__( 'Cloning is forbidden.', 'acumen-popup' ),
			'1.0.0'
		);
	}

	/**
	 * Prevent unserializing of the instance.
	 *
	 * @since  1.0.0
	 * @access public
	 *
	 * @return void
	 */
	public function __wakeup() {
		_doing_it_wrong(
			__FUNCTION__,
			esc_html__( 'Unserializing is forbidden.', 'acumen-popup' ),
			'1.0.0'
		);
	}
}