<?php

namespace DgoraWcas\Analytics;

use DgoraWcas\Helpers;
use DgoraWcas\Multilingual;

// Exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

class Recorder {

	public function listen() {

		Database::registerTables();

		add_action( 'dgwt/wcas/analytics/after_searching', array( $this, 'listener' ), 10, 3 );
	}

	/**
	 * Validate input data and save them to the index
	 *
	 * @param string $phrase
	 * @param int $hits
	 * @param string $lang
	 *
	 * @return void
	 */
	public function listener( $phrase, $hits, $lang ) {
		$autocomplete = true;

		// Break early the search phrase is empty or has a specific shape
		if ( empty( $phrase ) || ! is_string( $phrase ) || $phrase === 'fibotests' ) {
			return;
		}

		if ( ! is_numeric( $hits ) || $hits < 0 ) {
			return;
		}

		// Save only critical searches.
		if (
			defined( 'DGWT_WCAS_ANALYTICS_ONLY_CRITICAL' ) &&
			DGWT_WCAS_ANALYTICS_ONLY_CRITICAL &&
			$hits > 0
		) {
			return;
		}

		// Allow to exclude critical phrases.
		if ( $hits === 0 ) {
			$excludedPhrases = apply_filters( 'dgwt/wcas/analytics/excluded_critical_phrases', array() );
			if ( is_array( $excludedPhrases ) && in_array( $phrase, $excludedPhrases, true ) ) {
				return;
			}
		}

		// Break early when a user has specific roles.
		$roles = apply_filters( 'dgwt/wcas/analytics/exclude_roles', array() );
		if ( ! empty( $roles ) ) {

			if ( dgoraAsfwFs()->is__premium_only() ) {
				if ( defined( 'SHORTINIT' ) && SHORTINIT ) {
					Helpers::loadUserFiles__premium_only();
				}
			}

			foreach ( $roles as $role ) {
				if ( current_user_can( $role ) ) {
					return;
				}
			}
		}

		if ( Helpers::isProductSearchPage() ) {
			$autocomplete = false;
		}

		$phrase = strtolower( substr( $phrase, 0, 255 ) );
		$lang   = ! empty( $lang ) && Multilingual::isLangCode( $lang ) ? $lang : '';

		$this->push( $phrase, $hits, $autocomplete, $lang );
	}

	/**
	 * Push a record to the index.
	 *
	 * @param string $phrase
	 * @param int $hits
	 * @param bool $autocomplete
	 * @param string $lang
	 *
	 * @return void
	 */
	public function push( $phrase, $hits, $autocomplete, $lang ) {
		global $wpdb;

		$data = array(
			'phrase'       => $phrase,
			'hits'         => $hits,
			'created_at'   => date( 'Y-m-d H:i:s', current_time( 'timestamp', true ) ),
			'autocomplete' => $autocomplete
		);

		$format = array(
			'%s',
			'%d',
			'%s',
			'%d',
		);

		if ( ! empty( $lang ) ) {
			$data['lang'] = $lang;
			$format[]     = '%s';
		}

		$wpdb->insert( $wpdb->dgwt_wcas_stats, $data, $format );
	}
}
