<?php
/**
 * Main plugin bootstrap and service wiring.
 *
 * @package ActionPanelAI
 */

namespace ActionPanelAI;

use ActionPanelAI\Admin\ActivationDisclaimerNotice;
use ActionPanelAI\Admin\Assets;
use ActionPanelAI\Admin\MainPage;
use ActionPanelAI\Admin\Menu;
use ActionPanelAI\Admin\PrivacyDataHooks;
use ActionPanelAI\Admin\PrivacyPolicy;
use ActionPanelAI\Admin\RestNonceAjax;
use ActionPanelAI\Rest\AttachmentController;
use ActionPanelAI\Rest\CommandController;
use ActionPanelAI\Rest\PrivacyProofController;
use ActionPanelAI\Rest\RoutesRegistrar;
use ActionPanelAI\Rest\SettingsController;
use ActionPanelAI\Grammar\CommandPolicy;
use ActionPanelAI\Grammar\CommandRuntime;
use ActionPanelAI\Services\PageStyles;
use ActionPanelAI\Services\SettingsMigrator;
use ActionPanelAI\Services\SettingsRepository;
use ActionPanelAI\Support\ApiEndpointResolver;
use ActionPanelAI\Support\PrivacyApiClient;

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

/**
 * Registers WordPress hooks and connects controllers to their dependencies.
 */
class Plugin {
	/**
	 * Admin menu registrar.
	 *
	 * @var Menu
	 */
	private Menu $menu;

	/**
	 * Admin asset loader.
	 *
	 * @var Assets
	 */
	private Assets $assets;

	/**
	 * AJAX handler for refreshing REST nonces.
	 *
	 * @var RestNonceAjax
	 */
	private RestNonceAjax $rest_nonce_ajax;

	/**
	 * REST route registrar.
	 *
	 * @var RoutesRegistrar
	 */
	private RoutesRegistrar $routes;

	/**
	 * Plugin settings repository.
	 *
	 * @var SettingsRepository
	 */
	private SettingsRepository $settings_repo;

	/**
	 * One-time activation safety notice renderer.
	 *
	 * @var ActivationDisclaimerNotice
	 */
	private ActivationDisclaimerNotice $activation_disclaimer_notice;

	/**
	 * Privacy policy text integration.
	 *
	 * @var PrivacyPolicy
	 */
	private PrivacyPolicy $privacy_policy;

	/**
	 * WordPress personal data export and erasure hooks.
	 *
	 * @var PrivacyDataHooks
	 */
	private PrivacyDataHooks $privacy_data_hooks;

	/**
	 * Page-scoped CSS integration.
	 *
	 * @var PageStyles
	 */
	private PageStyles $page_styles;

	/**
	 * Instantiate the plugin service graph.
	 */
	public function __construct() {
		$this->settings_repo   = new SettingsRepository();
		$api_endpoint_resolver = new ApiEndpointResolver();

		$this->menu                         = new Menu( new MainPage() );
		$this->assets                       = new Assets( $this->settings_repo, $api_endpoint_resolver );
		$this->rest_nonce_ajax              = new RestNonceAjax();
		$this->activation_disclaimer_notice = new ActivationDisclaimerNotice( $this->settings_repo );
		$this->privacy_policy               = new PrivacyPolicy();
		$this->privacy_data_hooks           = new PrivacyDataHooks( new PrivacyApiClient( $this->settings_repo, $api_endpoint_resolver ) );
		$this->page_styles                  = new PageStyles();

		$attachment_ctrl    = new AttachmentController( $this->settings_repo );
		$settings_ctrl      = new SettingsController( $this->settings_repo );
		$privacy_proof_ctrl = new PrivacyProofController( $this->settings_repo );
		$command_runtime    = new CommandRuntime( null, null, null, null, null, null, new CommandPolicy( $this->settings_repo ) );
		$this->maybe_load_dev_mode_module( $command_runtime );
		$command_ctrl = new CommandController( $this->settings_repo, $command_runtime );

		$this->routes = new RoutesRegistrar( $attachment_ctrl, $settings_ctrl, $privacy_proof_ctrl, $command_ctrl );
	}

	/**
	 * Attach plugin services to WordPress hooks.
	 */
	public function register(): void {
		add_action( 'admin_menu', array( $this->menu, 'register' ) );
		add_action( 'admin_init', array( $this->privacy_policy, 'register' ) );
		$this->privacy_data_hooks->register();
		add_action( 'admin_enqueue_scripts', array( $this->assets, 'enqueue' ), 99 );
		add_action( 'wp_ajax_actionpanel_ai_refresh_rest_nonce', array( $this->rest_nonce_ajax, 'handle' ) );
		add_action( 'rest_api_init', array( $this->routes, 'register_routes' ) );
		add_action( 'plugins_loaded', array( $this, 'migrate_settings' ), 1 );
		add_action( 'admin_notices', array( $this->activation_disclaimer_notice, 'maybe_render' ) );
		$this->page_styles->register();
	}

	/**
	 * Apply idempotent settings migrations.
	 */
	public function migrate_settings(): void {
		( new SettingsMigrator( $this->settings_repo ) )->migrate();
	}

	/**
	 * Remove retired scheduled work when the plugin is deactivated.
	 */
	public function deactivate(): void {
		wp_clear_scheduled_hook( 'actionpanel_ai_disable_log_reads' );
	}

	/**
	 * Load the internal dev module when its files are present.
	 *
	 * Presence of `internal/dev-mode/` is the activation: internal builds copy
	 * the directory in, the public WordPress.org SVN release omits it. No
	 * wp-config constant is required, and the core plugin never hard-depends on
	 * the module (graceful absence on public builds).
	 */
	private function maybe_load_dev_mode_module( CommandRuntime $runtime ): void {
		$module_path = ACTIONPANEL_AI_PLUGIN_PATH . 'internal/dev-mode/class-devmodemodule.php';
		if ( ! file_exists( $module_path ) ) {
			return;
		}
		require_once $module_path;
		$module_class = 'ActionPanelAI\\Internal\\DevMode\\DevModeModule';
		if ( is_callable( array( $module_class, 'load' ) ) ) {
			call_user_func( array( $module_class, 'load' ), $runtime );
		}
	}
}