<?php

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}
// 1. PHP Version Requirement Guard (PHP 8.0+)
if ( ! version_compare( PHP_VERSION, '8.0', '>=' ) ) {
	add_action(
		'all_admin_notices',
		static function () {
			printf(
				'<div class="notice notice-error"><p>%s</p></div>',
				esc_html__( 'The Ad Fuz plugin requires PHP version 8.0 or higher.', 'ad-fuz' )
			);
		}
	);
	return false;
}

do_action( 'adfuz/core/autoload:before' );

// 2. Built-in PSR-4 fallback autoloader for AdFuz and bundled MaxMind\Db classes.
spl_autoload_register(
	static function ( $class ) {
		if ( 0 === strpos( $class, 'AdFuz\\' ) ) {
			$relative = substr( $class, strlen( 'AdFuz\\' ) );
			$file     = ADFUZ_PLUGIN_DIR . '/src/' . str_replace( '\\', '/', $relative ) . '.php';
			if ( file_exists( $file ) ) {
				require_once $file;
			}
		} elseif ( 0 === strpos( $class, 'MaxMind\\Db\\' ) ) {
			$file = ADFUZ_PLUGIN_DIR . '/includes/vendor/' . str_replace( '\\', '/', $class ) . '.php';
			if ( file_exists( $file ) ) {
				require_once $file;
			}
		}
	}
);

// 3. Optional initial validation helper (case-resilient for Linux file systems)
$validation_file = ADFUZ_PLUGIN_DIR . '/src/Notifications/AdFuzInitialValidation.php';
if ( ! file_exists( $validation_file ) ) {
	$validation_file = ADFUZ_PLUGIN_DIR . '/src/notifications/AdFuzInitialValidation.php';
}
if ( file_exists( $validation_file ) ) {
	require_once $validation_file;
}

if ( class_exists( 'AdFuzInitialValidation' ) && ! AdFuzInitialValidation::get_instance()->validate() ) {
	return false;
}

do_action( 'adfuz/core/autoload:after' );

do_action( 'adfuz/vendor/autoload:before' );

if ( file_exists( ADFUZ_PLUGIN_DIR . '/vendor/autoload.php' ) ) {
	require_once ADFUZ_PLUGIN_DIR . '/vendor/autoload.php';
}

do_action( 'adfuz/vendor/autoload:after' );

if ( ! function_exists( 'AdFuz' ) ) {
	/**
	 * The below class will trigger the __construct to load the hooks.
	 *
	 * @return mixed
	 */
	function AdFuz() {
		$adfuz = (object) array(
			'core'     => array(
				'hook'     => array(
					'action' => \AdFuz\Hooks\Action\Action::get_instance(),
					'filter' => \AdFuz\Hooks\Filter\Filter::get_instance(),
				),
				'database' => array(
					'install' => \AdFuz\Database\Install::get_instance(),
				),
				'debug'    => array(
					'type' => 'test', // test, live.
				),
			),
			'frontend' => array(
				'shortcode' => \AdFuz\Hooks\Action\Shortcode::get_instance(),
			),
			'request'  => new \AdFuz\Requests\Request(),
		);

		return apply_filters( 'adfuz/core', $adfuz );
	}
}


add_action(
	'init',
	static function () {
		load_plugin_textdomain( 'ad-fuz', false, dirname( plugin_basename( ADFUZ_PLUGIN ) ) . '/languages' );
	}
);

add_action(
	'plugins_loaded',
	function () {
		global $AdFuz;
		do_action( 'adfuz/function/core:before' );
		$AdFuz = AdFuz();
		do_action( 'adfuz/function/core:after' );
	},
	10
);

if ( defined( 'ADFUZ_PLUGIN' ) ) {
	register_activation_hook(
		ADFUZ_PLUGIN,
		array( \AdFuz\Controllers\Core\Lifecycle::class, 'activate' )
	);

	register_deactivation_hook(
		ADFUZ_PLUGIN,
		array( \AdFuz\Controllers\Core\Lifecycle::class, 'deactivate' )
	);
}