<?php

/**
 * The admin-specific functionality of the plugin.
 *
 * @link       https://www.shost.vn
 * @since      1.0
 *
 * @package    AIO_Tools
 * @subpackage AIO_Tools/admin
 */
// If this file is called directly, abort.
use AIOTools\AIO_Notice_Manager;
use AIOTools\AIO_Utils;


if ( ! defined( 'WPINC' ) ) {
	die;
}

/**
 * The admin-specific functionality of the plugin.
 *
 * Defines the plugin name, version, and two examples hooks for how to
 * enqueue the admin-specific stylesheet and JavaScript.
 *
 * @package    AIO_Tools
 * @subpackage AIO_Tools/admin
 * @author     AIO Corp <info@shost.vn>
 */
class AIO_Tools_Admin {

	/**
	 * The ID of this plugin.
	 *
	 * @since    1.0.0
	 * @access   private
	 * @var      string $plugin_name The ID of this plugin.
	 */
	private $plugin_name;

	/**
	 * The version of this plugin.
	 *
	 * @since    1.0.0
	 * @access   private
	 * @var      string $version The current version of this plugin.
	 */
	private $version;

	/**
	 * Initialize the class and set its properties.
	 *
	 * @param string $plugin_name The name of this plugin.
	 * @param string $version The version of this plugin.
	 *
	 * @since    1.0.0
	 */
	public function __construct( $plugin_name, $version ) {

		$this->plugin_name = $plugin_name;
		$this->version     = $version;

		$this->load_dependencies_frameworks();
		
		add_filter('plugin_action_links_'. AIO_BASE_NAME, [ $this,'aio_add_plugin_page_settings_link'], 10, 2);
		
		add_action( 'admin_bar_menu', [ $this, 'aio_add_admin_bar_links' ], 90 );

		//add_action( 'init', [ $this, 'aio_set_notices' ] );

		$this->create_settings_page();
		
		add_action( 'wp_dashboard_setup', [ $this, 'aio_add_dashboard_widgets' ] );

		add_action( 'admin_enqueue_scripts', 'add_thickbox' );
		
		add_action( 'wp_ajax_aio_get_settings', [ $this, 'aio_get_settings_ajax' ] );
		add_action( 'wp_ajax_aio_update_settings', [ $this, 'aio_update_settings_ajax' ] );
		add_action( 'wp_ajax_aio_get_system_status', [ $this, 'aio_get_system_status_ajax' ] );

		// Load sub-modules
		require_once AIO_ADMIN_PATH . 'modules/class-aio-security-admin.php';
		require_once AIO_ADMIN_PATH . 'modules/class-aio-utility-admin.php';
		require_once AIO_ADMIN_PATH . 'modules/class-aio-smtp-admin.php';
		
		new AIO_Security_Admin();
		new AIO_Utility_Admin();
		new AIO_Smtp_Admin();
	}

	/**
	 * Register the stylesheets for the admin area.
	 *
	 * @since    1.0.0
	 */
	public function enqueue_styles() {
		// Enqueue Phosphor Icons
		wp_enqueue_style( 'phosphor-icons', 'https://unpkg.com/@phosphor-icons/web@2.1.1/src/regular/style.css', array(), '2.1.1', 'all' );
		wp_enqueue_style( 'phosphor-icons-fill', 'https://unpkg.com/@phosphor-icons/web@2.1.1/src/fill/style.css', array(), '2.1.1', 'all' );

		wp_enqueue_style( $this->plugin_name, AIO_URL . 'assets/css/aio-tools-admin.css', array(), $this->version, 'all' );
		wp_enqueue_style( 'mobile', AIO_URL . 'assets/css/responsive.css', array(), $this->version, 'all' );
	}

	/**
	 * Register the JavaScript for the admin area.
	 *
	 * @since    1.0.0
	 */
	public function enqueue_scripts( $hook_suffix ) {
		if ( strpos( $hook_suffix, 'aio-settings' ) !== false ) {
			wp_enqueue_media();
		}
		wp_enqueue_script( $this->plugin_name, AIO_URL . 'assets/js/aio-tools-admin.js', array( 'jquery' ), $this->version, true );
		wp_localize_script( $this->plugin_name , 'aio_smtp_param', array(
			'ajaxurl'  => admin_url( 'admin-ajax.php' ),
			'nonce'    => wp_create_nonce( 'aio-smtp-check-nonce' ),
			'settings_nonce' => wp_create_nonce( 'aio-settings-nonce' ),
			'message'  => array(
				'sending' => __('Sending...','aio'),
				'success' => __('Success! Please check your email inbox.','aio'),
				'error' => __('The following error occured: ','aio'),
				'alertdata' => __('You have entered an invalid email address!','aio'),
			),
		) );
	}

	public function load_dependencies_frameworks() {
		require_once AIO_VENDOR_PATH . 'announce4wp/announce4wp-client.php';		
	}

	public function create_settings_page() {		
		add_action( 'admin_menu', [ $this, 'aio_add_admin_menu' ] );
	}

	public function aio_add_admin_menu() {
		$plugin_name = aio_get_option('txtWhiteLabelName', __('AIO Tools', 'aio'));
		$menu_title  = aio_get_option('txtWhiteLabelMenu', 'AIO Tools');
		if (empty($plugin_name)) $plugin_name = __('AIO Tools', 'aio');
		if (empty($menu_title)) $menu_title = 'AIO Tools';

		add_menu_page(
			$plugin_name,
			$menu_title,
			'manage_options',
			'aio-settings',
			[ $this, 'aio_display_settings_page' ],
			AIO_URL . 'assets/images/favicon.png',
			4
		);

		add_submenu_page(
			'aio-settings',
			__('Audit Logs', 'aio'),
			__('Audit Logs', 'aio'),
			'manage_options',
			'aio-audit-logs',
			[ $this, 'aio_display_audit_logs_page' ]
		);
	}

	public function aio_display_audit_logs_page() {
		require_once AIO_ADMIN_PATH . 'partials/aio-audit-logs-display.php';
	}

	public function aio_display_settings_page() {
		require_once AIO_ADMIN_PATH . 'partials/aio-tools-admin-display.php';
	}

	public function aio_add_admin_bar_links( WP_Admin_Bar $admin_bar ) {

		if ( current_user_can( 'manage_options' ) ) {
			$menu_title  = aio_get_option('txtWhiteLabelMenu', 'AIO Tools');
			if (empty($menu_title)) $menu_title = 'AIO Tools';

			$admin_bar->add_menu( [
				'id'    => 'aio-tools',
				'title' => $menu_title,
				'href'  => admin_url( 'admin.php?page=aio-settings' ),
				'meta'  => [
					'target' => '_self',
					'html'   => '<style>#wpadminbar #wp-admin-bar-aio-tools .ab-item{background:url("' . AIO_URL . 'assets/images/favicon.png") no-repeat 5px center;padding-left:30px;}#wpadminbar #wp-admin-bar-aio-tools .ab-item:hover{color:yellow;}</style>',
				],
			] );
			
		}
	}
	
	public function aio_add_dashboard_widgets() {
		if ( !current_user_can('manage_options') ) return;
		
		$plugin_name = aio_get_option('txtWhiteLabelName', __('AIO Tools', 'aio'));
		if (empty($plugin_name)) $plugin_name = __('AIO Tools', 'aio');

		wp_add_dashboard_widget(
			'aio_tools_dashboard_widget',
			$plugin_name . ' - ' . __('Overview', 'aio'),
			[ $this, 'aio_dashboard_widget_render' ]
		);
	}

	public function aio_dashboard_widget_render() {
		$plugin_name = aio_get_option('txtWhiteLabelName', __('AIO Tools', 'aio'));
		if (empty($plugin_name)) $plugin_name = __('AIO Tools', 'aio');
		?>
		<div class="main">
			<p><?php printf(esc_html__('Welcome to %s! Your all-in-one suite is actively optimizing and securing your website.', 'aio'), esc_html($plugin_name)); ?></p>
			
			<ul style="margin-top: 15px; margin-bottom: 15px;">
				<li style="margin-bottom: 8px;"><span class="dashicons dashicons-shield" style="color: #10b981;"></span> <?php echo esc_html__('Security module is active.', 'aio'); ?></li>
				<li style="margin-bottom: 8px;"><span class="dashicons dashicons-performance" style="color: #3b82f6;"></span> <?php echo esc_html__('Performance module is active.', 'aio'); ?></li>
				<li style="margin-bottom: 8px;"><span class="dashicons dashicons-email" style="color: #8b5cf6;"></span> <?php echo esc_html__('SMTP is configured.', 'aio'); ?></li>
			</ul>

			<hr style="border: 0; border-top: 1px solid #e5e7eb; margin: 15px 0;">
			<a href="<?php echo esc_url(admin_url('admin.php?page=aio-settings')); ?>" class="button button-primary"><?php echo esc_html__('Go to Dashboard', 'aio'); ?></a>
		</div>
		<?php
	}
	
	public function aio_set_notices() {		
		if ( AIO_Utils::is_plugin_active( 'wp-mail-smtp/wp_mail_smtp.php' ) ) {
			AIO_Notice_Manager::display_notice( 'smtp_plugin', '<p>' . sprintf( __( 'It looks like <strong>WP Mail SMTP</strong> is active on your site. <strong>WP Mail SMTP</strong> feature may cause conflict with %1$s.', 'aio' ), AIO_PLUGIN_NAME ) . '</p>', 'warning' );
		}
	}

	public function aio_add_plugin_page_settings_link( $links ) {
		$aio_links[] = '<a href="' .
			admin_url( 'admin.php?page=aio-settings' ) .
			'">' . esc_html__('Settings', 'aio') . '</a>';

		return $aio_links + $links;
	}

	// SMTP functions moved to class-aio-smtp-admin.php

	public function aio_get_settings_ajax() {
		check_ajax_referer( 'aio-settings-nonce', 'security' );
		if ( ! current_user_can( 'manage_options' ) ) {
			wp_send_json_error( __( 'Unauthorized', 'aio' ) );
		}
		$options = get_option( 'aio_options', [] );
		
		// Hide sensitive data before sending to frontend
		if (isset($options['txtSmtpPassword']) && !empty($options['txtSmtpPassword'])) {
			$options['txtSmtpPassword'] = '********';
		}
		if (isset($options['txtOAuthClientSecret']) && !empty($options['txtOAuthClientSecret'])) {
			$options['txtOAuthClientSecret'] = '********';
		}

		wp_send_json_success( $options );
	}

	// Moved functions out to sub-modules

	public function aio_update_settings_ajax() {
		check_ajax_referer( 'aio-settings-nonce', 'security' );
		if ( ! current_user_can( 'manage_options' ) ) {
			wp_send_json_error( __( 'Unauthorized', 'aio' ) );
		}
		
		$raw_settings = isset($_POST['settings']) ? $_POST['settings'] : '';
		$params = json_decode(wp_unslash($raw_settings), true);
		if ( !is_array($params) && !empty($raw_settings) ) {
			$params = json_decode($raw_settings, true);
		}
		if ( !is_array($params) ) {
			$params = [];
		}
		if ( is_array($params) ) {
			$sanitized_params = [];
			foreach ($params as $key => $value) {
				if (in_array($key, ['optHeader', 'optFooter', 'txtTawktoScript', 'txtChativeScript'])) {
					if ( current_user_can( 'unfiltered_html' ) ) {
						$sanitized_params[$key] = $value;
					} else {
						$sanitized_params[$key] = wp_kses_post($value);
					}
				} else if (is_array($value)) {
					$sanitized_params[$key] = $this->aio_sanitize_array_recursive($value);
				} else {
					// Strict validation for specific fields
					if (in_array($key, ['txtSmtpPort', 'optLimitLoginMax', 'optLimitLoginDuration', 'optHeartbeatInterval', 'optRevisionsLimit', 'optAutosaveInterval'])) {
						$sanitized_params[$key] = absint($value);
					} else {
						$sanitized_params[$key] = sanitize_text_field($value);
					}

					if (in_array($key, ['txtSmtpPassword', 'txtOAuthClientSecret'])) {
						if (empty($sanitized_params[$key]) || $sanitized_params[$key] === '********') {
							// Keep old password
							$old_options = get_option('aio_options', []);
							$sanitized_params[$key] = isset($old_options[$key]) ? $old_options[$key] : '';
						} else {
							$sanitized_params[$key] = AIO_Crypto::encrypt($sanitized_params[$key]);
						}
					}
				}
			}
			update_option( 'aio_options', $sanitized_params );
			wp_send_json_success( [ 'message' => __( 'Settings saved successfully', 'aio' ) ] );
		} else {
			wp_send_json_error( __( 'Invalid data', 'aio' ) );
		}
	}

	private function aio_sanitize_array_recursive($array) {
		$sanitized = [];
		foreach ($array as $key => $value) {
			if (is_array($value)) {
				$sanitized[$key] = $this->aio_sanitize_array_recursive($value);
			} else {
				$sanitized[$key] = sanitize_text_field($value);
			}
		}
		return $sanitized;
	}
	private function aio_get_email_message_html() {

		ob_start();
		?>
		<!doctype html>
		<html lang="en">
		<head>
			<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
			<meta http-equiv="X-UA-Compatible" content="IE=edge">
			<meta name="viewport" content="width=device-width">
			<title><?php echo AIO_OWNER_NAME ?> SMTP Test Email</title>
			<style type="text/css">@media only screen and (max-width: 599px) {table.body .container {width: 95% !important;}.header {padding: 15px 15px 12px 15px !important;}.header img {width: 200px !important;height: auto !important;}.content, .aside {padding: 30px 40px 20px 40px !important;}}</style>
		</head>
		<body style="height: 100% !important; width: 100% !important; min-width: 100%; -moz-box-sizing: border-box; -webkit-box-sizing: border-box; box-sizing: border-box; -webkit-font-smoothing: antialiased !important; -moz-osx-font-smoothing: grayscale !important; -ms-text-size-adjust: 100%; -webkit-text-size-adjust: 100%; color: #444; font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; font-weight: normal; padding: 0; margin: 0; Margin: 0; font-size: 14px; mso-line-height-rule: exactly; line-height: 140%; background-color: #f1f1f1; text-align: center;">
		<table border="0" cellpadding="0" cellspacing="0" width="100%" height="100%" class="body" style="border-collapse: collapse; border-spacing: 0; vertical-align: top; mso-table-lspace: 0pt; mso-table-rspace: 0pt; -ms-text-size-adjust: 100%; -webkit-text-size-adjust: 100%; height: 100% !important; width: 100% !important; min-width: 100%; -moz-box-sizing: border-box; -webkit-box-sizing: border-box; box-sizing: border-box; -webkit-font-smoothing: antialiased !important; -moz-osx-font-smoothing: grayscale !important; background-color: #f1f1f1; color: #444; font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; font-weight: normal; padding: 0; margin: 0; Margin: 0; text-align: left; font-size: 14px; mso-line-height-rule: exactly; line-height: 140%;">
			<tr style="padding: 0; vertical-align: top; text-align: left;">
				<td align="center" valign="top" class="body-inner wp-mail-smtp" style="word-wrap: break-word; -webkit-hyphens: auto; -moz-hyphens: auto; hyphens: auto; border-collapse: collapse !important; vertical-align: top; mso-table-lspace: 0pt; mso-table-rspace: 0pt; -ms-text-size-adjust: 100%; -webkit-text-size-adjust: 100%; color: #444; font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; font-weight: normal; padding: 0; margin: 0; Margin: 0; font-size: 14px; mso-line-height-rule: exactly; line-height: 140%; text-align: center;">
					<!-- Container -->
					<table border="0" cellpadding="0" cellspacing="0" class="container" style="border-collapse: collapse; border-spacing: 0; padding: 0; vertical-align: top; mso-table-lspace: 0pt; mso-table-rspace: 0pt; -ms-text-size-adjust: 100%; -webkit-text-size-adjust: 100%; width: 600px; margin: 0 auto 30px auto; Margin: 0 auto 30px auto; text-align: inherit;">
						<!-- Header -->
						<tr style="padding: 0; vertical-align: top; text-align: left;">
							<td align="center" valign="middle" class="header" style="word-wrap: break-word; -webkit-hyphens: auto; -moz-hyphens: auto; hyphens: auto; border-collapse: collapse !important; vertical-align: top; mso-table-lspace: 0pt; mso-table-rspace: 0pt; -ms-text-size-adjust: 100%; -webkit-text-size-adjust: 100%; color: #444; font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; font-weight: normal; margin: 0; Margin: 0; font-size: 14px; mso-line-height-rule: exactly; line-height: 140%; text-align: center; padding: 30px 30px 22px 30px;">
								<img src="<?php echo AIO_URL; ?>/assets/images/aio-tools.png" width="250" alt="WP Mail SMTP Logo" style="outline: none; text-decoration: none; max-width: 100%; clear: both; -ms-interpolation-mode: bicubic; display: inline-block !important; width: 250px;">
							</td>
						</tr>
						<!-- Content -->
						<tr style="padding: 0; vertical-align: top; text-align: left;">
							<td align="left" valign="top" class="content" style="word-wrap: break-word; -webkit-hyphens: auto; -moz-hyphens: auto; hyphens: auto; border-collapse: collapse !important; vertical-align: top; mso-table-lspace: 0pt; mso-table-rspace: 0pt; -ms-text-size-adjust: 100%; -webkit-text-size-adjust: 100%; color: #444; font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; font-weight: normal; margin: 0; Margin: 0; text-align: left; font-size: 14px; mso-line-height-rule: exactly; line-height: 140%; background-color: #ffffff; padding: 60px 75px 45px 75px; border-right: 1px solid #ddd; border-bottom: 1px solid #ddd; border-left: 1px solid #ddd; border-top: 3px solid #28f;">
								<div class="success" style="text-align: center;">
									<p class="check" style="-ms-text-size-adjust: 100%; -webkit-text-size-adjust: 100%; color: #444; font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; font-weight: normal; padding: 0; font-size: 14px; mso-line-height-rule: exactly; line-height: 140%; margin: 0 auto 16px auto; Margin: 0 auto 16px auto; text-align: center;">
										<img src="<?php echo AIO_URL; ?>/assets/images/icon-check.png" width="70" alt="Success" style="outline: none; text-decoration: none; max-width: 100%; clear: both; -ms-interpolation-mode: bicubic; display: block; margin: 0 auto 0 auto; Margin: 0 auto 0 auto; width: 50px;">
									</p>
									<p class="text-extra-large text-center congrats" style="-ms-text-size-adjust: 100%; -webkit-text-size-adjust: 100%; color: #444; font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; font-weight: normal; padding: 0; mso-line-height-rule: exactly; line-height: 140%; font-size: 20px; text-align: center; margin: 0 0 20px 0; Margin: 0 0 20px 0;">
										Congrats, test email was sent successfully!
									</p>
									<p class="text-large" style="-ms-text-size-adjust: 100%; -webkit-text-size-adjust: 100%; color: #444; font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; font-weight: normal; padding: 0; text-align: left; mso-line-height-rule: exactly; line-height: 140%; margin: 0 0 15px 0; Margin: 0 0 15px 0; font-size: 16px;">
										Thank you for trying out <?php echo AIO_OWNER_NAME ?>. We're on a mission to make sure that your emails actually get delivered.
									</p>
									
									<p class="signature" style="-ms-text-size-adjust: 100%; -webkit-text-size-adjust: 100%; color: #444; font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; font-weight: normal; padding: 0; font-size: 14px; mso-line-height-rule: exactly; line-height: 140%; text-align: left; margin: 20px 0 0 0; Margin: 20px 0 0 0;">
										Thanks,
									</p>
									<p style="-ms-text-size-adjust: 100%; -webkit-text-size-adjust: 100%; color: #444; font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif; font-weight: normal; padding: 0; text-align: left; font-size: 14px; mso-line-height-rule: exactly; line-height: 140%; margin: 0 0 15px 0; Margin: 0 0 15px 0;">
										<strong><?php echo AIO_OWNER_NAME ?>.</strong>
									</p>
								</div>
							</td>
						</tr>
					</table>
				</td>
			</tr>
		</table>
		</body>
		</html>

		<?php
		$message = ob_get_clean();

		return $message;
	}
}