<?php
namespace BooklyPro\Lib\ProxyProviders;

use Bookly\Lib as BooklyLib;
use Bookly\Lib\DataHolders\Details;
use Bookly\Lib\Entities\Appointment;
use Bookly\Lib\Entities\Customer;
use Bookly\Lib\Entities\CustomerAppointment;
use Bookly\Lib\Entities\Payment;
use Bookly\Lib\Entities\Staff;
use Bookly\Lib\Slots\DatePoint;
use Bookly\Lib\Slots\Range;
use Bookly\Lib\Slots\RangeCollection;
use Bookly\Backend\Modules\Settings;
use BooklyPro\Lib;
use BooklyPro\Lib\Config;
use BooklyPro\Lib\Entities\GiftCardType;
use BooklyPro\Lib\Google;
use BooklyPro\Lib\Utils;
use BooklyPro\Lib\Zoom;
use BooklyPro\Backend\Modules;

class Local extends BooklyLib\Proxy\Pro
{
    /**
     * @inheritDoc
     */
    public static function addLicenseBooklyMenuItem()
    {
        add_submenu_page(
            'bookly-menu',
            __( 'License verification', 'bookly' ),
            __( 'License verification', 'bookly' ),
            'read',
            Settings\Page::pageSlug(),
            function () { Modules\License\Page::render(); }
        );
    }

    /**
     * @inheritDoc
     */
    public static function deleteGoogleCalendarEvent( Appointment $appointment )
    {
        if ( $appointment->hasGoogleCalendarEvent() ) {
            $google = new Google\Client();
            if ( $google->authWithStaffId( $appointment->getStaffId() ) ) {
                // Delete existing event in Google Calendar.
                $google->calendar()->deleteEvent( $appointment->getGoogleEventId() );
            }
        }
    }

    /**
     * @inheritDoc
     */
    public static function deleteOnlineMeeting( Appointment $appointment )
    {
        // Zoom.
        if ( $appointment->getOnlineMeetingProvider() == 'zoom' ) {
            $zoom = new Zoom\Meetings( Staff::find( $appointment->getStaffId() ) );
            $zoom->remove( $appointment->getOnlineMeetingId() );
        }
    }

    /**
     * @inheritDoc
     */
    public static function getLastCustomerTimezone( $customer_id )
    {
        $timezone = CustomerAppointment::query( 'ca' )
            ->select( 'ca.time_zone, ca.time_zone_offset' )
            ->where( 'ca.customer_id', $customer_id )
            ->whereNot( 'ca.time_zone_offset', null )
            ->sortBy( 'created_at' )
            ->order( 'DESC' )
            ->limit( 1 )
            ->fetchArray();

        if ( ! empty( $timezone ) ) {
            $timezone = current( $timezone );

            return self::getCustomerTimezone( $timezone['time_zone'], $timezone['time_zone_offset'] );
        }

        return false;
    }

    /**
     * @inheritDoc
     */
    public static function getCustomerTimezone( $time_zone, $time_zone_offset )
    {
        if ( $time_zone ) {
            return $time_zone;
        } elseif ( $time_zone_offset !== null ) {
            return sprintf( 'UTC%s%s', $time_zone_offset > 0 ? '-' : '+', abs( $time_zone_offset ) / 60 );
        } else {
            return null;
        }
    }

    /**
     * @inheritDoc
     */
    public static function getTimeZoneOffset( $time_zone_value )
    {
        $time_zone        = null;
        $time_zone_offset = null;  // in minutes

        // WordPress value.
        if ( $time_zone_value ) {
            if ( preg_match( '/^UTC[+-]/', $time_zone_value ) ) {
                $offset           = preg_replace( '/UTC\+?/', '', $time_zone_value );
                $time_zone        = null;
                $time_zone_offset = - $offset * 60;
            } else {
                $time_zone        = $time_zone_value;
                $time_zone_offset = - timezone_offset_get( timezone_open( $time_zone_value ), new \DateTime() ) / 60;
            }
        }

        return compact( 'time_zone', 'time_zone_offset' );
    }

    /**
     * @inheritDoc
     */
    public static function getGoogleCalendarBookings( array $staff_ids, DatePoint $dp )
    {
        $result = array();

        if ( Config::getGoogleCalendarSyncMode() == '1.5-way' ) {
            $query = Staff::query()
                ->whereIn( 'id', $staff_ids )
                ->whereNot( 'google_data', null );
            /** @var Staff $staff */
            foreach ( $query->find() as $staff ) {
                $google = new Google\Client();
                if ( $google->auth( $staff ) ) {
                    $bookings = $google->calendar()->getBookings( $dp );
                    if ( $bookings ) {
                        $result[ $staff->getId() ] = $bookings;
                    }
                }
            }
        }

        return $result;
    }

    /**
     * @inheritDoc
     */
    public static function getGoogleCalendarSyncMode()
    {
        return Config::getGoogleCalendarSyncMode();
    }

    /**
     * @inheritDoc
     */
    public static function graceExpired()
    {
        return Config::graceExpired();
    }

    /**
     * @inheritDoc
     */
    public static function prepareNotificationMessage( $message, $recipient, $gateway )
    {
        $remaining_days = Config::graceRemainingDays();

        if ( $remaining_days !== false ) {
            if ( $remaining_days === 0 ) {
                if ( $recipient == 'staff' ) {
                    return $gateway == 'email'
                        ? __( 'A new appointment has been created. To view the details of this appointment, please contact your website administrator in order to verify Bookly Pro license.', 'bookly' )
                        : __( 'You have a new appointment. To view it, contact your admin to verify Bookly Pro license.', 'bookly' );
                } else {
                    return $gateway == 'email'
                        ? __( 'A new appointment has been created. To view the details of this appointment, please verify Bookly Pro license in the administrative panel.', 'bookly' )
                        : __( 'You have a new appointment. To view it, please verify Bookly Pro license.', 'bookly' );
                }
            } else {
                $days_text = sprintf( _n( '%d day', '%d days', $remaining_days, 'bookly' ), $remaining_days );
                $replace = array( '{days}' => $days_text, '{site_url}' => site_url() );
                if ( $recipient == 'staff' ) {
                    return $message . PHP_EOL . ( $gateway == 'email'
                        ? strtr( __( 'Please contact your website administrator of {site_url} in order to verify the license for Bookly add-ons.', 'bookly' ) . ' ' . __( 'If you do not verify the license within {days}, the respective add-ons will be disabled.', 'bookly' ), $replace )
                        : strtr( __( 'Contact your admin to verify Bookly add-ons license; {days} remaining.', 'bookly' ), $replace ) );
                } else {
                    return $message . PHP_EOL . ( $gateway == 'email'
                        ? strtr( __( 'Please verify Bookly Pro license in the administrative panel on {site_url}.', 'bookly' ) . ' ' . __( 'If you do not verify the license within {days}, the respective add-ons will be disabled.', 'bookly' ), $replace )
                        : strtr( __( 'Please verify Bookly add-ons license; {days} remaining.', 'bookly' ), $replace ) );
                }
            }
        }

        return $message;
    }

    /**
     * @inheritDoc
     */
    public static function revokeGoogleCalendarToken( Staff $staff )
    {
        $google = new Google\Client();
        if ( $google->auth( $staff ) ) {
            if ( BooklyLib\Config::advancedGoogleCalendarActive() ) {
                $google->calendar()->stopWatching( false );
            }
            $google->revokeToken();
        }
    }

    /**
     * @inheritDoc
     */
    public static function syncGoogleCalendarEvent( Appointment $appointment )
    {
        if ( ! Config::graceExpired() && $appointment->getStartDate() ) {
            $google = new Google\Client();
            if ( $google->authWithStaffId( $appointment->getStaffId() ) ) {
                $google->calendar()->syncAppointment( $appointment );
            }
        }
    }

    /**
     * @inerhitDoc
     */
    public static function isValidForCartItem( $default, BooklyLib\CartItem $item, BooklyLib\CartInfo $cart_info )
    {
        static $gct = null;
        if ( $gct === null && $cart_info->getGiftCard() ) {
            $gct = GiftCardType::find( $cart_info->getGiftCard()->getGiftCardTypeId() );
        }
        if ( $gct ) {
            return $gct->validForCartItem( $item );
        }

        return $default;
    }

    /**
     * @inheritDoc
     */
    public static function createWPUser( Customer $customer )
    {
        if ( get_option( 'bookly_cst_create_account', 0 ) && ! $customer->getWpUserId() ) {
            $wp_user_id = get_current_user_id();
            if ( BooklyLib\Config::wooCommerceEnabled() && is_admin() ) {
                // If WC administrator manually changes the order status,
                // it is not allowed for new client to tie administrator's ID,
                // but create a new wp_user
                $wp_user_id = 0;
            }

            if ( $wp_user_id == 0 ) {
                $params = array(
                    'first_name' => $customer->getFirstName(),
                    'last_name' => $customer->getLastName(),
                    'full_name' => $customer->getFullName(),
                    'email' => $customer->getEmail(),
                );
                // Create new WP user and send email notification.
                try {
                    $wp_user = Utils\Common::createWPUser( $params, $password, 'client' );
                    $wp_user->set_role( get_option( 'bookly_cst_new_account_role' ) );
                    $wp_user_id = $wp_user->ID;

                    // Save entity for fill name, first_name, last_name
                    $customer->setWpUserId( $wp_user_id )->save();

                    // Send email/sms notification.
                    Lib\Notifications\NewWpUser\Sender::sendAuthToClient( $customer, $wp_user->user_login, $password );
                } catch ( \Exception $e ) {
                    $wp_user_id = null;
                }
            }

            $customer->setWpUserId( $wp_user_id );
        }
    }

    /**
     * @inheritDoc
     */
    public static function getMinimumTimePriorBooking( $service_id = null )
    {
        return Config::getMinimumTimePriorBooking( $service_id );
    }

    /**
     * @inheritDoc
     */
    public static function getMinimumTimePriorCancel( $service_id = null )
    {
        return Config::getMinimumTimePriorCancel( $service_id );
    }

    /**
     * @inheritDoc
     */
    public static function getStaffCategoryName( $category_id )
    {
        $name = $category_id ? Lib\Entities\StaffCategory::query()->where( 'id', $category_id )->fetchVar( 'name' ) : null;

        return $name === null
            ? ( Lib\Entities\StaffCategory::query()->fetchVar( 'id' ) ? __( 'Uncategorized', 'bookly' ) : '' )
            : $name;
    }

    /**
     * @inheritDoc
     */
    public static function getStaffDataForDropDown( $exclude_visibility = null )
    {
        if ( $exclude_visibility === null ) {
            // Default value
            $exclude_visibility = array( 'archive' );
        }
        $result = array();

        $query = Staff::query( 's' )
            ->select( 'sc.id AS category_id, sc.name, s.id, s.full_name' )
            ->leftJoin( 'StaffCategory', 'sc', 'sc.id = s.category_id', '\BooklyPro\Lib\Entities' )
            ->sortBy( 'COALESCE(sc.position,99999), s.position, s.id' );
        if ( $exclude_visibility ) {
            $query->whereNotIn( 's.visibility', $exclude_visibility );
        }
        $rows = $query->fetchArray();

        foreach ( $rows as $row ) {
            $category_id = (int) $row['category_id'];
            if ( ! isset ( $result[ $category_id ] ) ) {
                $result[ $category_id ] = array(
                    'name' => $category_id ? $row['name'] : __( 'Uncategorized', 'bookly' ),
                    'items' => array(),
                );
            }
            $result[ $category_id ]['items'][] = array(
                'id' => $row['id'],
                'full_name' => $row['full_name'],
            );
        }

        return $result;
    }

    /**
     * @inheritDoc
     */
    public static function showFacebookLoginButton()
    {
        return Config::showFacebookLoginButton();
    }

    /**
     * @inheritDoc
     */
    public static function getFullAddressByCustomerData( array $data )
    {
        return Lib\Utils\Common::getFullAddressByCustomerData( $data );
    }

    /**
     * @inheritDoc
     */
    public static function createBackendPayment( array $data, CustomerAppointment $ca )
    {
        if ( isset( $data['payment_action'], $data['payment_for'] ) && $data['payment_action'] === 'create' && $data['payment_for'] === 'current' ) {
            $total = $data['payment_price'];

            if ( get_option( 'bookly_taxes_in_price' ) == 'excluded' ) {
                $total += $data['payment_tax'];
            }
            $payment = new Payment();
            $payment
                ->setType( Payment::TYPE_LOCAL )
                ->setTotal( $total )
                ->setPaid( 0 )
                ->setTax( $data['payment_tax'] )
                ->setStatus( Payment::STATUS_PENDING )
                ->save();

            $customer = Customer::find( $ca->getCustomerId() );
            $app_details = new Details\Appointment();
            $app_details
                ->setCa( $ca )
                ->setData( array(
                    'service_price' => $data['payment_price'],
                    'service_tax' => $payment->getTax(),
                ) )
                ->setPrice( $data['payment_price'] );
            $details = $payment->getDetailsData();
            $details
                ->setCustomer( $customer )
                ->addDetails( $app_details )
                ->setData( array(
                    'extras_multiply_nop' => (int) get_option( 'bookly_service_extras_multiply_nop', 1 ),
                    'tax_in_price' => get_option( 'bookly_taxes_in_price' ),
                    'from_backend' => true
                ) );

            $ca->setPaymentId( $payment->getId() )->save();

            if ( Config::needCreateWCOrder( $total ) ) {
                $appointment = Appointment::find( $ca->getAppointmentId() );
                $wc_order = Utils\Common::createWCOrder( $appointment->getServiceId(), $payment->getTotal(), $payment->getTax(), $customer->getWpUserId() );
                $details->setData( array( 'gateway_ref_id' => $wc_order->get_id() ) );

                $payment
                    ->setType( Payment::TYPE_WOOCOMMERCE )
                    ->setStatus( Payment::STATUS_COMPLETED )
                    ->setPaid( $total );
            } else {
                $payment
                    ->setType( Payment::TYPE_LOCAL )
                    ->setStatus( Payment::STATUS_PENDING );
            }
            $payment->save();
        }
    }

    /**
     * @inheritDoc
     */
    public static function prepareGeneratorRanges( $ranges, $staff, $duration )
    {
        $limit = $staff->getWorkingTimeLimit();
        if ( $limit !== null ) {
            $result_ranges = new RangeCollection();
            foreach ( $ranges->all() as $range ) {
                $new_ranges = new RangeCollection();
                if ( $range->state() == Range::AVAILABLE ) {
                    $start_date = $range->start()->value()->format( 'Y-m-d' );
                    $end_date   = $range->end()->value()->format( 'Y-m-d' );
                    if ( $start_date == $end_date ) {
                        if ( $staff->getWorkload( $start_date ) + $duration > $limit ) {
                            $range = $range->replaceState( Range::FULLY_BOOKED );
                        }
                    } else {
                        if ( $staff->getWorkload( $start_date ) + $staff->getWorkload( $end_date ) + $duration > $limit * 2 ) {
                            $range = $range->replaceState( Range::FULLY_BOOKED );
                        } else {
                            if ( $staff->getWorkload( $start_date ) + $duration > $limit ) {
                                $new_ranges = $range->subtract( Range::fromDates( $range->start()->value()->format( 'Y-m-d H:i:s' ), date_create( $end_date )->modify( sprintf( '-%d seconds', $limit - $staff->getWorkload( $start_date ) ) )
                                    ->format( 'Y-m-d H:i:s' ) ) );
                                if ( $new_ranges->has( 1 ) ) {
                                    $new_ranges->get( 1 )->replaceState( Range::FULLY_BOOKED );
                                }
                            }
                            if ( $staff->getWorkload( $end_date ) + $duration > $limit ) {
                                $new_ranges = $range->subtract( Range::fromDates( date_create( $end_date )->modify( sprintf( '+%d seconds', $limit - $staff->getWorkload( $end_date ) ) )->format( 'Y-m-d H:i:s' ), $range->end()->value()
                                    ->format( 'Y-m-d H:i:s' ) ) );
                                if ( $new_ranges->has( 1 ) ) {
                                    $new_ranges->get( 0 )->replaceState( Range::FULLY_BOOKED );
                                }
                            }
                        }
                    }
                }
                if ( $new_ranges->isEmpty() ) {
                    $result_ranges->push( $range );
                } else {
                    $result_ranges = $result_ranges->merge( $new_ranges );
                }
            }
            $ranges = $result_ranges;
        }

        return $ranges;
    }

    /**
     * @inheritDoc
     */
    public static function getWorkingTimeLimitError( $staff, $start_date, $end_date, $duration, $appointment_id )
    {
        $limit = $staff->getWorkingTimeLimit();
        if ( $limit !== null ) {
            $start_day = date_create( $start_date )->format( 'Y-m-d' );
            $end_day   = date_create( $end_date )->format( 'Y-m-d' );
            if ( $start_day == $end_day ) {
                if ( $staff->getWorkload( $start_day, $appointment_id ? array( $appointment_id ) : array() ) + $duration > $limit ) {
                    return true;
                }
            } else {
                $start_day_workload = $staff->getWorkload( $start_day, $appointment_id ? array( $appointment_id ) : array() );
                $end_day_workload   = $staff->getWorkload( $end_day, $appointment_id ? array( $appointment_id ) : array() );

                if ( $start_day_workload + $end_day_workload + $duration > $limit * 2 ) {
                    return true;
                }
                if ( $start_day_workload + $duration - strtotime( $end_date ) + strtotime( $end_day ) > $limit ) {
                    return true;
                }
                if ( $end_day_workload + $duration - strtotime( $end_day ) + strtotime( $start_date ) > $limit ) {
                    return true;
                }
            }
        }

        return false;
    }

    /**
     * @inheritDoc
     */
    public static function getDisplayedAddressFields()
    {
        return Lib\Utils\Common::getDisplayedAddressFields();
    }

    /**
     * @inheritDoc
     */
    public static function logEmail( $to, $subject, $body, $headers, $attachments, $type_id )
    {
        $log = new Lib\Entities\EmailLog();
        $log->setTo( $to )
            ->setSubject( $subject )
            ->setBody( $body )
            ->setHeaders( json_encode( $headers ) )
            ->setAttach( json_encode( $attachments ) )
            ->setType( BooklyLib\Entities\Notification::getTypeString( $type_id ) )
            ->setCreatedAt( current_time( 'mysql' ) )
            ->save();
    }
}