<?php
/**
 * The admin-specific functionality of the plugin.
 *
 * @link       https://raiolanetworks.es
 * @since      1.0.0
 *
 * @package    Wp_Database_Tools
 * @subpackage Wp_Database_Tools/admin
 */

/**
 * 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    Wp_Database_Tools
 * @subpackage Wp_Database_Tools/admin
 * @author     Raiola Networks <info@raiolanetworks.es>
 */
class Wp_Database_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;

	/**
	 * Databse object.
	 *
	 * @since    1.0.0
	 * @access   private
	 * @var      Wp_Database_Tools_Database    $database    Class manage database functions.
	 */
	private $database;

	/**
	 * The class responsible for logic of manage license.
	 *
	 * @since    1.0.0
	 * @access   protected
	 * @var      Wp_Database_Tools_License   $license    Manage the license functionalities.
	 */
	protected $license;

	/**
	 * The class responsible for logic of manage cronjobs.
	 *
	 * @since    1.0.0
	 * @access   protected
	 * @var      Wp_Database_Tools_Cronjobs   $cronjobs    Manage the cronjobs functionalities.
	 */
	protected $cronjobs;

	/**
	 * The class responsible for logic of manage scanner.
	 *
	 * @since    1.0.0
	 * @access   protected
	 * @var      Wp_Database_Tools_Scanner   $scanner    Manage the scanner functionalities.
	 */
	protected $scanner;

	/**
	 * The class responsible for logic of manage feedback.
	 *
	 * @since    1.0.0
	 * @access   protected
	 * @var      Wp_Database_Tools_Feedback   $feedback    Manage the feedback functionalities.
	 */
	protected $feedback;

	/**
	 * Initialize the class and set its properties.
	 *
	 * @since    1.0.0
	 * @param      string                     $plugin_name  The name of this plugin.
	 * @param      string                     $version      The version of this plugin.
	 * @param      Wp_Database_Tools_Database $database     Database class.
	 * @param      Wp_Database_Tools_License  $license      Licence class.
	 * @param      Wp_Database_Tools_Scanner  $scanner      Scanner class.
	 * @param      Wp_Database_Tools_Cronjobs $cronjobs     Cronjobs class.
	 * @param      Wp_Database_Tools_Feedback $feedback     Feedbacl class.
	 */
	public function __construct( $plugin_name, $version, $database, $license, $scanner, $cronjobs, $feedback ) {

		require_once plugin_dir_path( dirname( __FILE__ ) ) . 'includes/class-wp-database-tools-logger.php';

		$this->plugin_name = $plugin_name;
		$this->version     = $version;
		$this->database    = $database;
		$this->license     = $license;
		$this->scanner     = $scanner;
		$this->cronjobs    = $cronjobs;
		$this->feedback    = $feedback;

	}

	/**
	 * Register the stylesheets for the admin area.
	 *
	 * @since    1.0.0
	 */
	public function enqueue_styles() {
		wp_enqueue_style( $this->plugin_name, plugin_dir_url( __FILE__ ) . 'css/wp-database-tools-admin.css', array(), $this->version, 'all' );
		wp_enqueue_style( $this->plugin_name . '-choices.min.css', plugin_dir_url( __FILE__ ) . 'css/choices.min.css', array(), $this->version, 'all' );
	}

	/**
	 * Register the JavaScript for the admin area.
	 *
	 * @since    1.0.0
	 */
	public function enqueue_scripts() {

		if ( str_contains( get_current_screen()->base, 'wp-db-tools' ) || str_contains( get_current_screen()->base, 'wp-database-tools' ) ) {

			$settings_page = $this->get_settings_pages();

			if ( 'YES' === $settings_page['force_execute_scanner'] ) {

				// If not is dashboard and license.
				if ( 'toplevel_page_wp-database-tools' !== get_current_screen()->base && 'wp-db-tools_page_license' !== get_current_screen()->base ) {

					$name_script = 'wp-database-tools-force-scanner-status.js';
					wp_enqueue_script( $this->plugin_name . $name_script, plugin_dir_url( __FILE__ ) . 'js/admin-ajax/' . $name_script, array( 'jquery' ), $this->version, true );
					wp_register_script( $this->plugin_name . $name_script, plugin_dir_url( __FILE__ ) . 'js/admin-ajax/' . $name_script, array( 'jquery' ), $this->version, true );
					wp_localize_script(
						$this->plugin_name . $name_script,
						'ajax_var_check_force_scanner',
						array(
							'url'          => admin_url( 'admin-ajax.php?script=check_force_scanner' ),
							'nonce'        => wp_create_nonce( 'nonce_check_force_scanner' ),
							'action'       => 'check_force_scanner',
							'image_error'  => plugin_dir_url( __DIR__ ) . 'admin/img/eye-scanner-red.jpg',
							'translations' => array(
								'errors'  => array(
									'cron'     => __( 'There seem to be problems running the cronjobs for this installation', 'wp-database-tools' ),
									'attempts' => __( 'The number of attempts has been exceeded', 'wp-database-tools' ),
								),
								'success' => array(
									'scanner' => __( "The scan was successful. Let's refresh your website", 'wp-database-tools' ),
								),
							),

						)
					);

				}
			}

			if ( 'toplevel_page_wp-database-tools' !== get_current_screen()->base && 'wp-db-tools_page_license' !== get_current_screen()->base && 'YES' !== $settings_page['force_execute_scanner'] ) {

				// Vars.
				wp_enqueue_script( $this->plugin_name . '-admin-vars.js', array(), plugin_dir_url( __FILE__ ) . 'js/wp-database-tools-admin-vars.js', array( 'jquery' ), $this->version, true );
				wp_register_script( $this->plugin_name . '-admin-vars.js', plugin_dir_url( __FILE__ ) . 'js/wp-database-tools-admin-vars.js', array( 'jquery' ), $this->version, true );
				wp_localize_script(
					$this->plugin_name . '-admin-vars.js',
					'wpdbt_admin_vars',
					array(
						'data' => $this->set_data_wpdbt_admin_vars(),
					)
				);

				// Libraries.
				wp_enqueue_script( $this->plugin_name . '-modal-js', plugin_dir_url( __FILE__ ) . 'js/libraries/micromodal.min.js', array(), $this->version, true );
				wp_enqueue_script( $this->plugin_name . '-choices.min.js', plugin_dir_url( __FILE__ ) . 'js/libraries/choices.min.js', array(), '6.5.3', true );
				wp_enqueue_script( $this->plugin_name . '-list-js', plugin_dir_url( __FILE__ ) . 'js/libraries/list.min.js', array(), '2.3.1', true );

				// Main.
				wp_enqueue_script( $this->plugin_name, plugin_dir_url( __FILE__ ) . 'js/wp-database-tools-admin.js', array( 'jquery' ), $this->version, true );

				// Templates.
				wp_enqueue_script( $this->plugin_name . '-templates.js', plugin_dir_url( __FILE__ ) . 'js/templates.js', array( 'jquery' ), $this->version, true );

				// Admin ajax.
				wp_enqueue_script( $this->plugin_name . '-scanner-js', array(), plugin_dir_url( __FILE__ ) . 'js/admin-ajax/wp-database-tools-scanner.js', array( $this->plugin_name . '-admin-vars.js' ), $this->version, true );
				wp_enqueue_script( $this->plugin_name . '-feedback-js', array(), plugin_dir_url( __FILE__ ) . 'js/admin-ajax/wp-database-tools-feedback.js', array( $this->plugin_name . '-admin-vars.js' ), $this->version, true );
				wp_enqueue_script( $this->plugin_name . '-remove-all-transients', array(), plugin_dir_url( __FILE__ ) . 'js/admin-ajax/wp-database-tools-remove-all-transients.js', array( $this->plugin_name . '-admin-vars.js' ), $this->version, true );

				// Register admin ajax.
				wp_register_script( $this->plugin_name . '-scanner-js', plugin_dir_url( __FILE__ ) . 'js/admin-ajax/wp-database-tools-scanner.js', array( 'jquery' ), $this->version, true );
				wp_register_script( $this->plugin_name . '-feedback-js', plugin_dir_url( __FILE__ ) . 'js/admin-ajax/wp-database-tools-feedback.js', array( 'jquery' ), $this->version, true );
				wp_register_script( $this->plugin_name . '-remove-all-transients', plugin_dir_url( __FILE__ ) . 'js/admin-ajax/wp-database-tools-remove-all-transients.js', array( 'jquery' ), $this->version, true );

				// Localiza admin ajax.
				// Scanner.
				wp_localize_script(
					$this->plugin_name . '-scanner-js',
					'ajax_var_scanner',
					array(
						'url'    => admin_url( 'admin-ajax.php?script=init_scanner' ),
						'nonce'  => wp_create_nonce( 'nonce_scanner' ),
						'action' => 'init_scanner',
					)
				);

				// Save feedback.
				wp_localize_script(
					$this->plugin_name . '-feedback-js',
					'ajax_var',
					array(
						'url'    => admin_url( 'admin-ajax.php?script=feedback-user' ),
						'nonce'  => wp_create_nonce( 'feedback-user' ),
						'action' => 'save_feedback_user',
					)
				);

				// Remove all transients.
				wp_localize_script(
					$this->plugin_name . '-remove-all-transients',
					'ajax_var',
					array(
						'url'    => admin_url( 'admin-ajax.php?script=remove-all-transients' ),
						'nonce'  => wp_create_nonce( 'remove-all-transients' ),
						'action' => 'remove_all_transients',
					)
				);

				// List.
				if ( 'wp-db-tools_page_general' === get_current_screen()->base ) {

					wp_enqueue_script( $this->plugin_name . '-main-list-common', plugin_dir_url( __FILE__ ) . 'js/main-list-common.js', array( $this->plugin_name . '-list-js' ), $this->version, true );
					wp_enqueue_script( $this->plugin_name . '-main-list-js', plugin_dir_url( __FILE__ ) . 'js/main-list-general.js', array( $this->plugin_name . '-list-js' ), $this->version, true );

				} elseif ( 'wp-db-tools_page_license' !== get_current_screen()->base ) {

					wp_enqueue_script( $this->plugin_name . '-main-list-common', plugin_dir_url( __FILE__ ) . 'js/main-list-common.js', array( $this->plugin_name . '-list-js' ), $this->version, true );

					wp_enqueue_script( $this->plugin_name . '-templates-item-list-js', plugin_dir_url( __FILE__ ) . 'js/templates/item-list.js', array( $this->plugin_name . '-list-js' ), $this->version, true );
					wp_enqueue_script( $this->plugin_name . '-main-list-js', plugin_dir_url( __FILE__ ) . 'js/main-list.js', array( $this->plugin_name . '-templates-item-list-js' ), $this->version, true );

					wp_enqueue_script( $this->plugin_name . '-loading-status.js', plugin_dir_url( __FILE__ ) . 'js/admin-ajax/wp-database-tools-loading-status.js', array( $this->plugin_name . '-loading.js' ), $this->version, true );
					wp_enqueue_script( $this->plugin_name . '-loading.js', plugin_dir_url( __FILE__ ) . 'js/admin-ajax/wp-database-tools-loading.js', array( 'jquery' ), $this->version, true );

					// Save status.
					wp_localize_script(
						$this->plugin_name . '-loading-status.js',
						'ajax_var_load_status',
						array(
							'url'    => admin_url( 'admin-ajax.php?script=load_data_status' ),
							'nonce'  => wp_create_nonce( 'load_data_status' ),
							'action' => 'load_data_status',
						)
					);

					// Loading.
					wp_localize_script(
						$this->plugin_name . '-loading.js',
						'ajax_var_load_data',
						array(
							'url'    => admin_url( 'admin-ajax.php?script=load_data' ),
							'nonce'  => wp_create_nonce( 'load_data' ),
							'action' => 'load_data',
						)
					);
				}
			}
		}
	}

	/**
	 * Return an array with the data to be used in the js files.
	 *
	 * @return array $data
	 */
	public function set_data_wpdbt_admin_vars() {

		$key = WPDBT_PREFIX . 'admin_nonce';

		if ( ! isset( $_REQUEST[ $key ] ) ) {
			Wp_Database_Tools_Logger::error( 'Nonce error' );
			wp_die( esc_html( __( 'Missing nonce', 'wp-database-tools' ) ) );
		}

		if ( ! wp_verify_nonce( sanitize_key( $_REQUEST[ $key ] ), $key ) ) {
			Wp_Database_Tools_Logger::error( 'Nonce error' );
			wp_die( esc_html( __( 'Nonce error', 'wp-database-tools' ) ) );
		}

		global $wpdb;
		$license_key  = $this->license->get_license_key_encrypt();
		$api_domain   = ( WPDBT_ENV === 'DEV' ) ? WPDBT_DEV_DOMAIN : WPDBT_PROD_DOMAIN;
		$current_page = isset( $_GET['page'] ) ? sanitize_text_field( wp_unslash( $_GET['page'] ) ) : '';
		if ( isset( $_GET['details'] ) ) {
			$current_page = 'details';
		}

		$data = array(
			'version'      => WPDBT_VERSION,
			'current_page' => $current_page,
			'license_url'  => home_url(),
			'license_key'  => $license_key,
			'api_domain'   => $api_domain,
			'prefix'       => $wpdb->prefix,
			'admin_url'    => plugin_dir_url( __DIR__ ) . 'admin/',
			'pagination'   => WPDBT_LIST_PAGINATION[0],
			'translations' => array(
				'thank_vote'     => __( 'Thank you for your cooperation. Your choice has been registered', 'wp-database-tools' ),
				'marketplace'    => __( 'Marketplace', 'wp-database-tools' ),
				'users_feedback' => __( 'Users feedback', 'wp-database-tools' ),
				'reliability'    => __( 'Reliability', 'wp-database-tools' ),
				'votes'          => __( 'Votes', 'wp-database-tools' ),
				'likes'          => __( 'Likes', 'wp-database-tools' ),
				'dislikes'       => __( 'Dislikes', 'wp-database-tools' ),
				'rating'         => __( 'Rating', 'wp-database-tools' ),
				'website'        => __( 'Website', 'wp-database-tools' ),
				'download'       => __( 'Download', 'wp-database-tools' ),
				'remove'         => __( 'Remove', 'wp-database-tools' ),
				'edit'           => __( 'Edit', 'wp-database-tools' ),
				'empty'          => __( 'Empty', 'wp-database-tools' ),
				'optimize'       => __( 'Optimize', 'wp-database-tools' ),
				'repair'         => __( 'Repair', 'wp-database-tools' ),
				'details'        => __( 'Details', 'wp-database-tools' ),
				'refreshing'     => __( 'Refreshing page', 'wp-database-tools' ),
				'multiple'       => __( 'Multiple', 'wp-database-tools' ),
				'active'         => __( 'Active', 'wp-database-tools' ),
				'inactive'       => __( 'Inactive', 'wp-database-tools' ),
				'uninstalled'    => __( 'Uninstalled', 'wp-database-tools' ),
				'unknown'        => __( 'Unknown', 'wp-database-tools' ),
				'uncategorized'  => __( 'Uncategorized', 'wp-database-tools' ),
			),
		);

		return $data;
	}

	/**
	 * Register the menu for the admin area.
	 *
	 * @since    1.0.0
	 */
	public function add_admin_menu() {

		$this->create_request_nonce();

		add_menu_page( $this->plugin_name, 'WP DB Tools', 'manage_options', $this->plugin_name, array( $this, 'display_plugin_admin_page' ), '/wp-content/plugins/' . $this->plugin_name . '/admin/img/wp-database-tools-icon-admin.png' );
		add_submenu_page( $this->plugin_name, __( 'Dashboard', 'wp-database-tools' ), __( 'Dashboard', 'wp-database-tools' ), 'manage_options', $this->plugin_name, array( $this, 'display_plugin_admin_page' ) );
		add_submenu_page( $this->plugin_name, __( 'General', 'wp-database-tools' ), __( 'General', 'wp-database-tools' ), 'manage_options', 'general', array( $this, 'display_plugin_admin_page_general' ) );
		add_submenu_page( $this->plugin_name, __( 'Tables', 'wp-database-tools' ), __( 'Tables', 'wp-database-tools' ), 'manage_options', 'tables', array( $this, 'display_plugin_admin_page_tables' ) );
		add_submenu_page( $this->plugin_name, __( 'Options', 'wp-database-tools' ), __( 'Options', 'wp-database-tools' ), 'manage_options', 'options', array( $this, 'display_plugin_admin_page_options' ) );
		add_submenu_page( $this->plugin_name, __( 'Transients', 'wp-database-tools' ), __( 'Transients', 'wp-database-tools' ), 'manage_options', 'transients', array( $this, 'display_plugin_admin_page_transients' ) );
		add_submenu_page( $this->plugin_name, __( 'Cronjobs', 'wp-database-tools' ), __( 'Cronjobs', 'wp-database-tools' ), 'manage_options', 'cronjobs', array( $this, 'display_plugin_admin_page_cronjobs' ) );
		add_submenu_page( $this->plugin_name, __( 'License', 'wp-database-tools' ), __( 'License', 'wp-database-tools' ), 'manage_options', 'license', array( $this, 'display_plugin_admin_page_license' ) );
	}

	/**
	 * Create a nonce for processing data
	 *
	 * @since 1.1.0
	 */
	public function create_request_nonce() {
		$key              = WPDBT_PREFIX . 'admin_nonce';
		$_REQUEST[ $key ] = wp_create_nonce( $key );
	}


	/**
	 * Callback to WP Database Tools admin menu.
	 *
	 * @since    1.0.0
	 */
	public function display_plugin_admin_page() {
		require_once plugin_dir_path( dirname( __FILE__ ) ) . 'admin/partials/' . $this->plugin_name . '-admin-display.php';
	}


	/**
	 * Callback to General admin menu.
	 *
	 * @since    1.0.0
	 */
	public function display_plugin_admin_page_general() {
		require_once plugin_dir_path( dirname( __FILE__ ) ) . 'admin/partials/' . $this->plugin_name . '-admin-display-general.php';
	}

	/**
	 * Callback to Tables admin menu.
	 *
	 * @since    1.0.0
	 */
	public function display_plugin_admin_page_tables() {
		require_once plugin_dir_path( dirname( __FILE__ ) ) . 'admin/partials/' . $this->plugin_name . '-admin-display-tables.php';
	}

	/**
	 * Callback to Options admin menu.
	 *
	 * @since    1.0.0
	 */
	public function display_plugin_admin_page_options() {
		require_once plugin_dir_path( dirname( __FILE__ ) ) . 'admin/partials/' . $this->plugin_name . '-admin-display-options.php';
	}

	/**
	 * Callback to Transients admin menu.
	 *
	 * @since    1.0.0
	 */
	public function display_plugin_admin_page_transients() {
		require_once plugin_dir_path( dirname( __FILE__ ) ) . 'admin/partials/' . $this->plugin_name . '-admin-display-transients.php';
	}

	/**
	 * Callback to License admin menu.
	 *
	 * @since    1.0.0
	 */
	public function display_plugin_admin_page_cronjobs() {
		require_once plugin_dir_path( dirname( __FILE__ ) ) . 'admin/partials/' . $this->plugin_name . '-admin-display-cronjobs.php';
	}

	/**
	 * Callback to License admin menu.
	 *
	 * @since    1.0.0
	 */
	public function display_plugin_admin_page_scheduled() {
		require_once plugin_dir_path( dirname( __FILE__ ) ) . 'admin/partials/' . $this->plugin_name . '-admin-display-scheduled.php';
	}

	/**
	 * Callback to License admin menu.
	 *
	 * @since    1.0.0
	 */
	public function display_plugin_admin_page_license() {
		require_once plugin_dir_path( dirname( __FILE__ ) ) . 'admin/partials/' . $this->plugin_name . '-admin-display-license.php';
	}

	/**
	 * Active form license
	 *
	 * @since    1.0.0
	 */
	public function active_plugin() {
		$this->license->form_action_license();
	}

	/**
	 * Call action forms
	 *
	 * @since    1.0.0
	 */
	public function process_general() {
		$this->database->action_form_general();
	}

	/**
	 * Call tables action forms
	 *
	 * @since    1.0.0
	 */
	public function process_tables() {
		$this->database->action_form_tables();
	}

	/**
	 * Call options action forms
	 *
	 * @since    1.0.0
	 */
	public function process_options() {
		$this->database->action_form_options();
	}

	/**
	 * Call options action forms
	 *
	 * @since    1.0.0
	 */
	public function process_transients() {
		$this->database->action_form_transients();
	}

	/**
	 * Call cronjobs action forms
	 *
	 * @since    1.0.0
	 */
	public function process_cronjobs() {
		$this->database->action_form_cronjobs();
	}

	/**
	 * Register notifications
	 *
	 * @since    1.0.0
	 */
	public function custom_notices() {

		$key = WPDBT_PREFIX . 'admin_nonce';

		if ( ! isset( $_REQUEST[ $key ] ) ) {
			Wp_Database_Tools_Logger::error( 'Nonce error' );
			wp_die( esc_html( __( 'Missing nonce', 'wp-database-tools' ) ) );
		}

		if ( ! wp_verify_nonce( sanitize_key( $_REQUEST[ $key ] ), $key ) ) {
			Wp_Database_Tools_Logger::error( 'Nonce error' );
			wp_die( esc_html( __( 'Nonce error', 'wp-database-tools' ) ) );
		}

		// Pugin activation.
		$sl_activation = isset( $_GET[ WPDBT_PREFIX . 'sl_activation' ] ) ? sanitize_text_field( wp_unslash( $_GET[ WPDBT_PREFIX . 'sl_activation' ] ) ) : '';
		$message       = isset( $_GET['message'] ) ? sanitize_text_field( wp_unslash( $_GET['message'] ) ) : '';

		$allowed_tags = array(
			'br'     => array(),
			'p'      => array(),
			'strong' => array(),
			'span'   => array(),
		);

		if ( ! empty( $sl_activation ) && ! empty( $message ) ) {

			switch ( $_GET[ WPDBT_PREFIX . 'sl_activation' ] ) {

				case 'false':
					$message = urldecode( $message );?>
					<div class="wpdb error notice-error is-dismissible">
						<p><?php echo wp_kses( $message, $allowed_tags ); ?></p>
					</div>
					<?php
					break;

				case 'true':
					$message = urldecode( $message );
					?>
					<div class="wpdb notice notice-success is-dismissible">
						<p><?php echo wp_kses( $message, $allowed_tags ); ?></p>
					</div>
					<?php
					break;
			}
		}

		// General actions.
		if ( isset( $_GET[ WPDBT_PREFIX . 'notice' ] ) ) {

			$pages = array( 'general', 'cronjobs', 'tables', 'options', 'transients' );

			if ( in_array( $_GET[ WPDBT_PREFIX . 'notice' ], $pages, true ) ) {

				if ( ! empty( get_transient( WPDBT_PREFIX . 'errors' ) ) ) {
					$message = get_transient( WPDBT_PREFIX . 'errors' );
					?>
					<div class="wpdb notice notice-error is-dismissible">
						<p><?php echo wp_kses( $message, $allowed_tags ); ?></p>
					</div>
					<?php
				}

				if ( ! empty( get_transient( WPDBT_PREFIX . 'successes' ) ) ) {
					$message = get_transient( WPDBT_PREFIX . 'successes' );
					?>
					<div class="wpdb notice notice-success is-dismissible">
						<p><?php echo wp_kses( $message, $allowed_tags ); ?></p>
					</div>
					<?php
				}

				if ( ! empty( get_transient( WPDBT_PREFIX . 'warning' ) ) ) {
					$message = get_transient( WPDBT_PREFIX . 'warning' );
					?>
					<div class="wpdb notice notice-warning is-dismissible">
						<p><?php echo esc_html( __( 'Some records have been retained because they do not comply with the date range', 'wp-database-tools' ) ); ?></p>
					</div>
					<?php
				}

				set_transient( WPDBT_PREFIX . 'errors', '' );
				set_transient( WPDBT_PREFIX . 'successes', '' );
				set_transient( WPDBT_PREFIX . 'warning', '' );
			}
		}
	}

	/**
	 * Prepares some variables used in the pages
	 *
	 * @since    1.0.0
	 */
	public function get_settings_pages() {

		$key = WPDBT_PREFIX . 'admin_nonce';

		if ( ! isset( $_REQUEST[ $key ] ) ) {
			Wp_Database_Tools_Logger::error( 'Nonce error' );
			wp_die( esc_html( __( 'Missing nonce', 'wp-database-tools' ) ) );
		}

		if ( ! wp_verify_nonce( sanitize_key( $_REQUEST[ $key ] ), $key ) ) {
			Wp_Database_Tools_Logger::error( 'Nonce error' );
			wp_die( esc_html( __( 'Nonce error', 'wp-database-tools' ) ) );
		}

		$settings =
			array(
				'title'     => 'WP Database Tools',
				'admin_url' => plugin_dir_url( __DIR__ ) . 'admin/',
			);

		// CONFIG INFO PLUGIN.
		$domain   = ( WPDBT_ENV === 'DEV' ) ? WPDBT_DEV_DOMAIN : WPDBT_PROD_DOMAIN;
		$url      = $domain . '/api/v2/config';
		$response = wp_remote_get( $url );

		if ( is_wp_error( $response ) ) {
			$settings['config'] = false;
		} else {
			$config             = wp_remote_retrieve_body( $response );
			$settings['config'] = json_decode( $config );
		}

		$settings['bulk_actions'] = $this->set_bulk_actions();

		// SCANNER STATUS.
		$settings['scanner']               = json_decode( get_transient( WPDBT_PREFIX . 'scanner_last_status' ) );
		$settings['force_execute_scanner'] = get_option( WPDBT_PREFIX . 'force_execute_scanner' );

		// Current page.
		$current_page             = isset( $_GET['page'] ) ? sanitize_text_field( wp_unslash( $_GET['page'] ) ) : '';
		$settings['current_page'] = $current_page;

		// Force execute cron scanner.
		if ( 'YES' === $settings['force_execute_scanner'] ) {
			spawn_cron();
		}

		$settings['filters'] =
			array(
				'name'     => ( isset( $_GET['name'] ) ) ? sanitize_text_field( wp_unslash( $_GET['name'] ) ) : '',
				'cat'      => ( isset( $_GET['category'] ) ) ? sanitize_text_field( wp_unslash( $_GET['category'] ) ) : 'all',
				'status'   => ( isset( $_GET['status'] ) ) ? sanitize_text_field( wp_unslash( $_GET['status'] ) ) : 'all',
				'autoload' => ( isset( $_GET['autoload'] ) ) ? sanitize_text_field( wp_unslash( $_GET['autoload'] ) ) : 'all',
			);

		if ( get_admin_page_title() === __( 'General', 'wp-database-tools' ) ) {
			$this->database->init_general();
		}

		if ( get_admin_page_title() === __( 'Dashboard', 'wp-database-tools' ) ) {

			// Change.
			global $wp_version;

			$settings['dashboard']['info'] =
				array(
					array(
						'data'  => $this->database->get_size()['format'],
						'label' => __( 'Database Size', 'wp-database-tools' ),
						'icon'  => WPDBT_ADMIN_URL . 'img/icon-db.svg',
					),
					array(
						'data'  => $this->database->get_tables_obj()->get_count(),
						'label' => __( 'Total Tables', 'wp-database-tools' ),
						'icon'  => WPDBT_ADMIN_URL . 'img/icon-db.svg',
					),
					array(
						'data'  => $this->database->get_options_obj()->get_count(),
						'label' => __( 'Total Options', 'wp-database-tools' ),
						'icon'  => WPDBT_ADMIN_URL . 'img/icon-db.svg',
					),
					array(
						'data'  => count( wp_load_alloptions() ),
						'label' => __( 'Total Autoload', 'wp-database-tools' ),
						'icon'  => WPDBT_ADMIN_URL . 'img/icon-db.svg',
					),
					array(
						'data'  => $this->database->get_transients_obj()->get_count(),
						'label' => __( 'Total Transient', 'wp-database-tools' ),
						'icon'  => WPDBT_ADMIN_URL . 'img/icon-db.svg',
					),
					array(
						'data'  => $this->database->get_cronjobs_obj()->get_count(),
						'label' => __( 'Total Cronjobs', 'wp-database-tools' ),
						'icon'  => WPDBT_ADMIN_URL . 'img/icon-db.svg',
					),
					array(
						'data'  => phpversion(),
						'label' => __( 'PHP Version', 'wp-database-tools' ),
						'icon'  => WPDBT_ADMIN_URL . 'img/icon-db.svg',
					),
					array(
						'data'  => $wp_version,
						'label' => __( 'WordPress Version', 'wp-database-tools' ),
						'icon'  => WPDBT_ADMIN_URL . 'img/icon-db.svg',
					),
				);
		}

		return $settings;
	}

	/**
	 * Set an array with the bulk actions to be applied depending on each page.
	 *
	 * @since    1.0.0
	 */
	public function set_bulk_actions() {

		$key = WPDBT_PREFIX . 'admin_nonce';

		if ( ! isset( $_REQUEST[ $key ] ) ) {
			Wp_Database_Tools_Logger::error( 'Nonce error' );
			wp_die( esc_html( __( 'Missing nonce', 'wp-database-tools' ) ) );
		}

		if ( ! wp_verify_nonce( sanitize_key( $_REQUEST[ $key ] ), $key ) ) {
			Wp_Database_Tools_Logger::error( 'Nonce error' );
			wp_die( esc_html( __( 'Nonce error', 'wp-database-tools' ) ) );
		}

		$bulk_actions =
		array(
			'delete'        => array(
				'label' => 'Delete',
				'txt'   => __( 'Remove', 'wp-database-tools' ),
			),
			'empty'         => array(
				'label' => 'Empty',
				'txt'   => __( 'Empty', 'wp-database-tools' ),
			),
			'edit'          => array(
				'label' => 'Edit',
				'txt'   => __( 'Edit', 'wp-database-tools' ),
			),
			'repair'        => array(
				'label' => 'Repair',
				'txt'   => __( 'Repair', 'wp-database-tools' ),
			),
			'optimize'      => array(
				'label' => 'Optimize',
				'txt'   => __( 'Optimize', 'wp-database-tools' ),
			),
			'uncategorized' => array(
				'label' => 'Category',
				'txt'   => __( 'Category', 'wp-database-tools' ),
			),
		);

		$page = isset( $_GET['page'] ) ? sanitize_text_field( wp_unslash( $_GET['page'] ) ) : '';

		if ( 'tables' === $page ) {
			unset( $bulk_actions['edit'] );
		}

		if ( 'options' === $page ) {
			unset( $bulk_actions['empty'] );
			unset( $bulk_actions['optimize'] );
			unset( $bulk_actions['repair'] );
		}

		if ( 'transients' === $page ) {
			unset( $bulk_actions['empty'] );
			unset( $bulk_actions['optimize'] );
			unset( $bulk_actions['repair'] );
		}

		if ( 'cronjobs' === $page ) {
			unset( $bulk_actions['empty'] );
			unset( $bulk_actions['optimize'] );
			unset( $bulk_actions['repair'] );
			unset( $bulk_actions['edit'] );
		}

		if ( 'general' === $page ) {
			unset( $bulk_actions['empty'] );
			unset( $bulk_actions['optimize'] );
			unset( $bulk_actions['repair'] );
			unset( $bulk_actions['uncategorized'] );

			if ( isset( $_GET['details'] ) ) {
				unset( $bulk_actions['edit'] );
			}
		}

		return $bulk_actions;
	}

	/**
	 * This method is defined in the WordPress cronjob call.
	 *
	 * @since    1.0.0
	 */
	public function cron_scanner() {

		Wp_Database_Tools_Logger::info( 'INIT CRON SCANNER: init process' );

		// Check transients data.
		$key = 'transients';
		delete_transient( $key . '_data_loop' );
		do {
			$this->database->init_transients();
			$status_loading = get_transient( WPDBT_PREFIX . 'status_loading' );
		} while ( false === $status_loading['cache'] && false === $status_loading['data_loop']['is_finish'] );
		$transients       = $this->database->get_transients_data();
		$transients_count = isset( $transients['data'] ) ? count( $transients['data'] ) : 'no data';
		Wp_Database_Tools_Logger::info( 'INIT CRON SCANNER: ending transients data ' . $transients_count );
		delete_transient( $key . '_data_loop' );

		// Check the tables data.
		$key = 'tables';
		delete_transient( $key . '_data_loop' );
		do {
			$this->database->init_tables();
			$status_loading = get_transient( WPDBT_PREFIX . 'status_loading' );
		} while ( false === $status_loading['cache'] && false === $status_loading['data_loop']['is_finish'] );
		$tables       = $this->database->get_tables_data();
		$tables_count = isset( $tables['data'] ) ? count( $tables['data'] ) : 'no data';
		Wp_Database_Tools_Logger::info( 'INIT CRON SCANNER: ending tables data ' . $tables_count );
		delete_transient( $key . '_data_loop' );

		// Check options data.
		$key = 'options';
		delete_transient( $key . '_data_loop' );
		do {
			$this->database->init_options();
			$status_loading = get_transient( WPDBT_PREFIX . 'status_loading' );
		} while ( false === $status_loading['cache'] && false === $status_loading['data_loop']['is_finish'] );
		$options       = $this->database->get_options_data();
		$options_count = isset( $options['data'] ) ? count( $options['data'] ) : 'no data';
		Wp_Database_Tools_Logger::info( 'INIT CRON SCANNER: ending options data ' . $options_count );
		delete_transient( $key . '_data_loop' );

		// Check cronjobs data.
		$key = 'cronjobs';
		delete_transient( $key . '_data_loop' );
		do {
			$this->database->init_cronjobs();
			$status_loading = get_transient( WPDBT_PREFIX . 'status_loading' );
		} while ( false === $status_loading['cache'] && false === $status_loading['data_loop']['is_finish'] );
		$cronjobs = $this->database->get_cronjobs_data();
		$cronjobs_count = isset( $cronjobs['data'] ) ? count( $cronjobs['data'] ) : 'no data';
		Wp_Database_Tools_Logger::info( 'INIT CRON SCANNER: ending cronjobs data ' . $cronjobs_count );
		delete_transient( $key . '_data_loop' );

		Wp_Database_Tools_Logger::info( 'INIT CRON SCANNER: finish process' );

		$this->scanner->cron_scanner( $tables, $options, $cronjobs, $transients );
	}

	/**
	 * Method executed from ajax.
	 * It is executed recursively until the state of the scanner is success|error.
	 *
	 * Invoked from /admin/js/scanner.js
	 *
	 * @since     1.0.0
	 */
	public function init_scanner() {

		Wp_Database_Tools_Logger::info( 'INIT SCANNER: start scanner' );

		// Check if cronjobs is working.
		$cron_check = get_transient( WPDBT_PREFIX . 'cron_check' ) ?? 'NO';
		if ( 'error' === $cron_check ) {
			$scanner_status_data = array(
				'status'  => 'error',
				'message' => __( 'There seem to be problems running the cronjobs for this installation', 'wp-database-tools' ),
				'time'    => gmdate( 'Y-m-d H:i:s' ),
			);

			delete_transient( WPDBT_PREFIX . 'scanner_status' );
			set_transient( WPDBT_PREFIX . 'scanner_last_status', wp_json_encode( $scanner_status_data ) );
			wp_send_json( $scanner_status_data );
			wp_die();
		}

		// Check if nonce is misssing.
		if ( ! isset( $_POST['nonce'] ) ) {
			Wp_Database_Tools_Logger::error( 'Nonce error' );
			wp_die( esc_html( __( 'Missing nonce', 'wp-database-tools' ) ) );
		}

		// Check nonce verify.
		if ( ! wp_verify_nonce( sanitize_key( $_POST['nonce'] ), 'nonce_scanner' ) ) {
			Wp_Database_Tools_Logger::error( 'Nonce error' );
			wp_die( esc_html( __( 'Missing nonce', 'wp-database-tools' ) ) );
		}

		if ( ! isset( $_POST['first_call'] ) ) {
			Wp_Database_Tools_Logger::error( 'first_call missing' );
			wp_die( esc_html( __( 'First_call missing', 'wp-database-tools' ) ) );
		}

		$first_call = sanitize_text_field( wp_unslash( $_POST['first_call'] ) );
		Wp_Database_Tools_Logger::info( 'INIT SCANNER: fisrt call ' . wp_json_encode( $first_call ) );

		$scanner_status = get_transient( WPDBT_PREFIX . 'scanner_status' );
		Wp_Database_Tools_Logger::info( 'INIT SCANNER: status scanner ' . wp_json_encode( $scanner_status ) );

		if ( 'true' === $first_call ) {
			delete_transient( WPDBT_PREFIX . 'scanner_status' );
			wp_die();
		}

		if ( ! empty( $scanner_status ) ) {

			$decode_data = json_decode( $scanner_status );

			if ( 'success' === $decode_data->status || 'error' === $decode_data->status ) {
				wp_send_json( $scanner_status );
				delete_transient( WPDBT_PREFIX . 'scanner_status' );
				wp_die();
			}

			$scanner_status = get_transient( WPDBT_PREFIX . 'scanner_status' );
			wp_send_json( $scanner_status );
			wp_die();
		}

		if ( empty( $scanner_status ) || null === $scanner_status || false === $scanner_status ) {

			Wp_Database_Tools_Logger::info( 'INIT SCANNER: ajax init cron' );

			// schedule cron job.
			if ( ! wp_next_scheduled( 'wp_database_tools_scanner_database_single' ) ) {
				wp_schedule_single_event( time() - 3600, 'wp_database_tools_scanner_database_single' );
			}

			spawn_cron();

			$scanner_status_data = array(
				'status'  => 'active',
				'message' => __( 'Performing scanner', 'wp-database-tools' ),
				'time'    => gmdate( 'Y-m-d H:i:s' ),
			);

			set_transient( WPDBT_PREFIX . 'scanner_status', wp_json_encode( $scanner_status_data ) );
			wp_send_json( $scanner_status );
			wp_die();
		}

		Wp_Database_Tools_Logger::info( 'INIT SCANNER: finish scanner' );

		wp_die();
	}


	/**
	 * Called from admin ajax gets the state of the transient containing
	 * the percentage of the data load.
	 *
	 * Invoked from /admin/js/scanner.js
	 *
	 * @since     1.0.0
	 */
	public function load_data_status() {

		if ( ! isset( $_POST['nonce'] ) ) {
			Wp_Database_Tools_Logger::error( 'Nonce error' );
			wp_die( esc_html( __( 'Missing nonce', 'wp-database-tools' ) ) );
		}

		if ( ! wp_verify_nonce( sanitize_key( $_POST['nonce'] ), 'load_data_status' ) ) {
			Wp_Database_Tools_Logger::error( 'Nonce error' );
			wp_die( esc_html( __( 'Missing nonce', 'wp-database-tools' ) ) );
		}

		$load_status = get_transient( WPDBT_PREFIX . 'status_loading' );
		echo wp_json_encode( $load_status );
		wp_die();

	}


	/**
	 * Returns the formatted data from their corresponding classes.
	 * Returns a json that will be used to load the list of values from js.
	 *
	 * Invoked from /admin/js/scanner.js
	 *
	 * @since     1.0.0
	 */
	public function load_data() {

		if ( ! isset( $_POST['nonce'] ) ) {
			Wp_Database_Tools_Logger::error( 'Missing nonce.' );
			wp_die( esc_html( __( 'Missing nonce', 'wp-database-tools' ) ) );
		}

		if ( ! wp_verify_nonce( sanitize_key( $_POST['nonce'] ), 'load_data' ) ) {
			Wp_Database_Tools_Logger::error( 'Nonce error' );
			wp_die( esc_html( __( 'Error nonce', 'wp-database-tools' ) ) );
		}

		if ( ! isset( $_POST['page'] ) ) {
			Wp_Database_Tools_Logger::error( 'Missing page.' );
			wp_die( esc_html( __( 'Missing page', 'wp-database-tools' ) ) );
		}

		$page = sanitize_key( $_POST['page'] );

		$data = array();

		// OPTIONS.
		if ( 'options' === $page ) {
			// This init the method check data.
			$this->database->init_options();
			// Return the data.
			$data = $this->database->get_options_data();
			// Return data loop.
			$data['status_loading'] = get_transient( WPDBT_PREFIX . 'status_loading' );
			echo wp_json_encode( $data );
			wp_die();
		}

		// TRANSIENTS.
		if ( 'transients' === $page ) {
			// This init the method check data.
			$this->database->init_transients();
			// Return the data.
			$data = $this->database->get_transients_data();
			// Return data loop.
			$data['status_loading'] = get_transient( WPDBT_PREFIX . 'status_loading' );
			echo wp_json_encode( $data );
			wp_die();
		}

		// TABLES.
		if ( 'tables' === $page ) {
			// This init the method check data.
			$this->database->init_tables();
			// Return the data.
			$data = $this->database->get_tables_data();
			// Return data loop.
			$data['status_loading'] = get_transient( WPDBT_PREFIX . 'status_loading' );
			echo wp_json_encode( $data );
			wp_die();
		}

		// CRONJOBS.
		if ( 'cronjobs' === $page ) {
			// This init the method check data.
			$this->database->init_cronjobs();
			// Return the data.
			$data = $this->database->get_cronjobs_data();
			// Return data loop.
			$data['status_loading'] = get_transient( WPDBT_PREFIX . 'status_loading' );
			echo wp_json_encode( $data );
			wp_die();
		}
	}

	/**
	 * Check if it is necessary to force a first scan in case
	 * there is no data saved as API response.
	 * This first scan is done partly to mitigate the performance
	 * of a first load without API data because if there is no data,
	 * it must be processed by the matching algorithm.
	 *
	 * @since     1.0.0
	 */
	public function check_force_scanner() {

		if ( ! isset( $_POST['nonce'] ) ) {
			Wp_Database_Tools_Logger::error( 'Nonce error' );
			wp_die( esc_html( __( 'Missing nonce', 'wp-database-tools' ) ) );
		}

		if ( ! wp_verify_nonce( sanitize_key( $_POST['nonce'] ), 'nonce_check_force_scanner' ) ) {
			Wp_Database_Tools_Logger::error( 'Nonce error' );
			wp_die( esc_html( __( 'Verify nonce', 'wp-database-tools' ) ) );
		}

		spawn_cron();

		$response = array(
			'cron_status'   => get_transient( WPDBT_PREFIX . 'cron_check' ) ?? 'NO',
			'force_scanner' => get_option( WPDBT_PREFIX . 'force_execute_scanner' ),
		);

		wp_send_json( wp_json_encode( $response ) );
		wp_die();

	}

	/**
	 * Return database object
	 *
	 * @access public
	 * @since 1.0.0
	 * @return Wp_Database_Tools_Database
	 */
	public function get_database() {
		return $this->database;
	}
}