<?php

/**
 * Class LP_REST_Admin_Tools_Controller
 *
 * @since 4.0.3
 * @author tungnx
 * @version 1.0.1
 */
class LP_REST_Admin_Tools_Controller extends LP_Abstract_REST_Controller {
	public function __construct() {
		$this->namespace = 'lp/v1/admin';
		$this->rest_base = 'tools';
		parent::__construct();
	}

	/**
	 * Register rest routes.
	 */
	public function register_routes() {
		$this->routes = array(
			'create-indexs'      => array(
				array(
					'methods'             => WP_REST_Server::CREATABLE,
					'callback'            => array( $this, 'create_indexs' ),
					'permission_callback' => '__return_true',
				),
			),
			'list-tables-indexs' => array(
				array(
					'methods'             => WP_REST_Server::CREATABLE,
					'callback'            => array( $this, 'get_list_tables_indexs' ),
					'permission_callback' => '__return_true',
				),
			),
			'clean-tables'       => array(
				array(
					'methods'             => WP_REST_Server::CREATABLE,
					'callback'            => array( $this, 'clean_tables' ),
					'permission_callback' => '__return_true',
				),
			),
			'admin-notices'      => array(
				array(
					'methods'             => WP_REST_Server::ALLMETHODS,
					'callback'            => array( $this, 'admin_notices' ),
					'permission_callback' => '__return_true',
				),
			),
		);

		parent::register_routes();
	}

	/**
	 * Create indexs.
	 *
	 * @param WP_REST_Request $request .
	 *
	 * @return void
	 */
	public function create_indexs( WP_REST_Request $request ) {
		$response = new LP_REST_Response();
		$lp_db    = LP_Database::getInstance();

		try {
			$tables     = $request->get_param( 'tables' );
			$table      = $request->get_param( 'table' );
			$table_keys = array();

			$lp_db->wpdb->query( 'SET autocommit = 0' );

			if ( empty( $tables ) ) {
				throw new Exception( 'Param invalid!' );
			} else {
				$table_keys = array_keys( $tables );
			}

			if ( empty( $table ) ) {
				$table = $lp_db->tb_lp_user_items;
			} elseif ( array_key_exists( $table, $table_keys ) ) {
				throw new Exception( 'Table invalid!' );
			}

			// Create Indexs for a table.
			if ( $table === $lp_db->tb_lp_question_answermeta ) {
				$lp_db->drop_indexs_table( $lp_db->tb_lp_question_answermeta );
				$lp_db->wpdb->query(
					"
					ALTER TABLE {$lp_db->tb_lp_question_answermeta}
					ADD INDEX question_answer_meta (`learnpress_question_answer_id`, `meta_key`(150))
					"
				);
				$lp_db->check_execute_has_error();
			} elseif ( $table === $lp_db->tb_lp_section_items ) {
				$lp_db->drop_indexs_table( $lp_db->tb_lp_section_items );

				$lp_db->wpdb->query(
					"
					ALTER TABLE {$lp_db->tb_lp_section_items}
					ADD INDEX section_item (`section_id`, `item_id`)
					"
				);
				$lp_db->check_execute_has_error();
			} else {
				$lp_db->add_indexs_table( $table, $tables[ $table ] );
			}

			// Set next table key.
			$index_key = array_search( $table, $table_keys );
			++ $index_key;

			if ( ! array_key_exists( $index_key, $table_keys ) ) {
				$response->status        = 'finished';
				$response->data->percent = 100;
			} else {
				$response->data->table   = $table_keys[ $index_key ];
				$response->data->percent = 100;
				$response->status        = 'success';
			}
		} catch ( Exception $e ) {
			$response->message = $e->getMessage();
		}

		wp_send_json( $response );
	}

	public function get_list_tables_indexs( WP_REST_Request $request ) {
		$response = new LP_REST_Response();
		$lp_db    = LP_Database::getInstance();

		$tables_indexs = array(
			$lp_db->tb_lp_user_items          => array( 'user_id', 'item_id', 'item_type', 'status', 'ref_type', 'ref_id', 'parent_id' ),
			$lp_db->tb_lp_user_itemmeta       => array( 'learnpress_user_item_id', 'meta_key', 'meta_value' ),
			$lp_db->tb_lp_quiz_questions      => array( 'quiz_id', 'question_id' ),
			$lp_db->tb_lp_question_answers    => array( 'question_id' ),
			$lp_db->tb_lp_question_answermeta => '',
			$lp_db->tb_lp_order_items         => array( 'order_id', 'item_id', 'item_type' ),
			$lp_db->tb_lp_order_itemmeta      => array( 'learnpress_order_item_id', 'meta_key', 'meta_value' ),
			$lp_db->tb_lp_sections            => array( 'section_course_id' ),
			$lp_db->tb_lp_section_items       => '',
		);

		$response->data->tables = $tables_indexs;
		$response->data->table  = $lp_db->tb_lp_user_items;
		$response->status       = 'success';

		wp_send_json( $response );
	}

	public function clean_tables( WP_REST_Request $request ) {
		$response            = new LP_REST_Response();
		$lp_db_sessions      = LP_Sessions_DB::getInstance();
		$tables              = $request->get_param( 'tables' );
		$item_before_process = $request->get_param( 'itemtotal' );
		if ( empty( $tables ) ) {
			throw new Exception( 'Param invalid!' );
		}

		if ( empty( $item_before_process ) ) {
			$item_before_process = 0;
		}

		if ( $item_before_process == 0 ) {
			$response->data->percent = 100;
			$response->status        = 'finished';
			wp_send_json( $response );
		}

		try {
			// Delete result in table select
			if ( $tables == 'learnpress_sessions' ) {
				$lp_db_sessions->delete_rows();
				// check the number of lines remaining after each query
				$item_after_process        = $lp_db_sessions->count_row_db_sessions();
				$response->data->processed = $item_before_process - $item_after_process;
				$percent                   = ( ( $item_before_process - $item_after_process ) / $item_before_process ) * 100;
				$response->data->percent   = number_format_i18n( $percent, '2' );
			}
			if ( $response->data->percent == 100 ) {
				$response->status = 'finished';
			} else {
				$response->status = 'success';
			}
		} catch ( Exception $e ) {
			$response->message = $e->getMessage();
		}
		wp_send_json( $response );
	}

	/**
	 * Show admin notices.
	 *
	 * @param WP_REST_Request $request
	 *
	 * @return void
	 * @since 4.1.7.3.2
	 * @version 1.0.0
	 */
	public function admin_notices( WP_REST_Request $request ) {
		$response = new LP_REST_Response();
		$content  = '';

		try {
			$params               = $request->get_params();
			$admin_notices        = ! empty( $_COOKIE['lp_admin_notices_dismiss'] ) ? json_decode( wp_unslash( $_COOKIE['lp_admin_notices_dismiss'] ) ) : [];
			$lp_beta_version_info = LP_Admin_Notice::check_lp_beta_version();

			if ( isset( $params['dismiss'] ) ) {
				if ( $lp_beta_version_info ) {
					// Store version of LP beta to session.
					learn_press_setcookie( 'lp_beta_version', $lp_beta_version_info['version'] ?? 0 );
				}

				$admin_notices[ $params['dismiss'] ] = $params['dismiss'];
				learn_press_setcookie( 'lp_admin_notices_dismiss', json_encode( $admin_notices ) );
				$response->message = __( 'Dismissed!', 'learnpress' );
			} else {
				$show_notice_lp_beta_version = false;
				/**
				 * Check if LP beta version is not dismissed or dismissed version lower than current version, will bet to show notice.
				 */
				if ( $lp_beta_version_info && ! isset( $_GET['tab'] ) &&
					( ! isset( $_COOKIE['lp_beta_version'] ) || version_compare( $_COOKIE['lp_beta_version'], $lp_beta_version_info['version'], '<' ) ) ) {
					$show_notice_lp_beta_version = true;
				}

				$rules = apply_filters(
					'learn-press/admin-notices',
					[
						// Check wp_remote call success.
						'check_wp_remote'   => [
							'template' => 'admin-notices/wp-remote.php',
							'check'    => LP_Admin_Notice::check_wp_remote(),
						],
						// Check name plugin base.
						'check_plugin_base' => [
							'template' => 'admin-notices/plugin-base.php',
							'check'    => LP_Admin_Notice::check_plugin_base(),
						],
						// Show beta version of LP.
						'lp-beta-version'   => [
							'template' => 'admin-notices/beta-version.php',
							'check'    => $show_notice_lp_beta_version,
							'info'     => $lp_beta_version_info,
							'dismiss'  => 1,
						],
						// Show message needs upgrades database compatible with LP version current.
						'lp-upgrade-db'     => [
							'template' => 'admin-notices/upgrade-db.php',
							'check'    => LP_Updater::instance()->check_lp_db_need_upgrade(),
						],
						// Show message wrong permalink structure.
						'lp-permalink'      => [
							'template' => 'admin-notices/permalink-wrong.php',
							'check'    => ! get_option( 'permalink_structure' ),
						],
						// Show notice setup wizard.
						'lp-setup-wizard'   => [
							'template' => 'admin-notices/setup-wizard.php',
							'check'    => ! get_option( 'learn_press_setup_wizard_completed', false ) && ! isset( $admin_notices['lp-setup-wizard'] ),
							'dismiss'  => 1,
						],
					]
				);

				foreach ( $rules as $template_data ) {
					$content .= learn_press_admin_view( $template_data['template'] ?? '', [ 'data' => $template_data ], true, true );
				}
			}

			$response->status        = 'success';
			$response->data->content = $content;
		} catch ( Exception $e ) {
			$response->message = $e->getMessage();
		}

		wp_send_json( $response );
	}
}