<?php

namespace FQP\Form;

use FQP;

class Step2 extends FQP\FormAbstract {

    protected static $fields = [
        'prefix'             => [],
        'first_name'         => [ 'type' => 'text',  'label' => 'First Name', 'attribs' => [ 'required' => true ] ],
        'last_name'          => [ 'type' => 'text',  'label' => 'Last Name',  'attribs' => [ 'required' => true ] ],
        'street'             => [ 'type' => 'text',  'label' => 'Street',     'attribs' => [ 'required' => true ] ],
        'zip'                => [ 'type' => 'text',  'label' => 'Zip',        'attribs' => [ 'required' => true ] ],
        'city'               => [ 'type' => 'text',  'label' => 'City',       'attribs' => [ 'required' => true ] ],
        'email'              => [ 'type' => 'email', 'label' => 'Email',      'attribs' => [ 'required' => true ] ],
        'phone'              => [ 'type' => 'phone', 'label' => 'Phone',      'attribs' => [ 'required' => true ] ],
    ];

    public static function get_fields() {
        if ( empty( static::$fields['prefix'] ) ) {
            $prefix = [
                'type'          => 'radio',
                'multi_options' => ( 'en' == FQP\FQP::get_curr_lang() )
                                        ? [ 'Mr' => 'Mr', 'Ms' => 'Ms', 'Mrs' => 'Mrs' ]
                                        : [ 'Herr' => 'Herr', 'Frau' => 'Frau' ],
                'attribs'      => [ 'required' => true ],
            ];
            static::$fields['prefix'] = $prefix;

            if ( FQP\FQP::is_short_forms() ) {
                static::$fields['email_subscription'] = [
                    'type'        => 'checkbox',
                    'label'       => 'EN Ja, ich möchte über Tipps und News rund um die Firmengründung und das Unternehmertum informiert werden. (Keine Angst, wir werden Sie nicht mit Unmengen an E-Mails belästigen und Sie können die Informationen jederzeit wieder abbestellen.)',
                    'attribs'     => []
                ];

                $lang = FQP\FQP::get_curr_lang();
                $url = get_site_url();
                if ( 'de' == $lang ) {
                    $url = "{$url}/{$lang}/agb/";
                } else {
                    $url = "{$url}/{$lang}/agb/"; // англійська має мити власний урл
                }
                static::$fields['agree'] = [
                    'type'         => 'checkbox',
                    'label'        => sprintf( fqp__( 'EN Ja, ich akzeptiere die <a href="%s">AGB\'s</a>' ), $url ),
                    'escape_label' => false,
                    'attribs'      => [
                        'required' => true,
                    ]
                ];
            }
        }

        return static::$fields;
    }

    public static function sanitize_data( &$data ) {
        if ( !is_array( $data ) ) {
            $data = [];
        }

        $errors = [];

        $fields = [
            'prefix'     => fqp__('Prefix'),
            'first_name' => fqp__('First Name'),
            'last_name'  => fqp__('Last Name'),
            'street'     => fqp__('Street'),
            'zip'        => fqp__('Zip'),
            'city'       => fqp__('City'),
            'email'      => fqp__('Email'),
            'phone'      => fqp__('Phone'),
        ];

        $field_messages = [
            'required'     => fqp__('%s is required'),
            'wrong_format' => fqp__('%s is in wrong format'),
        ];

        $email_regex = '/^(?!(?:(?:\x22?\x5C[\x00-\x7E]\x22?)|(?:\x22?[^\x5C\x22]\x22?)){255,})(?!(?:(?:\x22?\x5C[\x00-\x7E]\x22?)|(?:\x22?[^\x5C\x22]\x22?)){65,}@)(?:(?:[\x21\x23-\x27\x2A\x2B\x2D\x2F-\x39\x3D\x3F\x5E-\x7E]+)|(?:\x22(?:[\x01-\x08\x0B\x0C\x0E-\x1F\x21\x23-\x5B\x5D-\x7F]|(?:\x5C[\x00-\x7F]))*\x22))(?:\.(?:(?:[\x21\x23-\x27\x2A\x2B\x2D\x2F-\x39\x3D\x3F\x5E-\x7E]+)|(?:\x22(?:[\x01-\x08\x0B\x0C\x0E-\x1F\x21\x23-\x5B\x5D-\x7F]|(?:\x5C[\x00-\x7F]))*\x22)))*@(?:(?:(?!.*[^.]{64,})(?:(?:(?:xn--)?[a-z0-9]+(?:-[a-z0-9]+)*\.){1,126}){1,}(?:(?:[a-z][a-z0-9]*)|(?:(?:xn--)[a-z0-9]+))(?:-[a-z0-9]+)*)|(?:\[(?:(?:IPv6:(?:(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){7})|(?:(?!(?:.*[a-f0-9][:\]]){7,})(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,5})?::(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,5})?)))|(?:(?:IPv6:(?:(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){5}:)|(?:(?!(?:.*[a-f0-9]:){5,})(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,3})?::(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,3}:)?)))?(?:(?:25[0-5])|(?:2[0-4][0-9])|(?:1[0-9]{2})|(?:[1-9]?[0-9]))(?:\.(?:(?:25[0-5])|(?:2[0-4][0-9])|(?:1[0-9]{2})|(?:[1-9]?[0-9]))){3}))\]))$/iD';

        foreach ( $fields as $name => $title ) {
            if ( !array_key_exists( $name, $data ) || empty( $data[$name] ) ) {
                $errors[] = esc_html( sprintf( $field_messages['required'],  $title ) );
            } else if ( in_array( $name, [ 'email' ] ) ) {
                if ( !preg_match( $email_regex, $data[$name] ) ) {
                    $errors[] = esc_html( sprintf( $field_messages['wrong_format'], $title ) );
                }
            }
        }

        if ( $data['phone'] ) {
            $phoneUtil = \libphonenumber\PhoneNumberUtil::getInstance();
            try {
                $number = $phoneUtil->parse( $data['phone'], 'LI' );
                if ( !$phoneUtil->isValidNumber( $number ) ) {
                    $errors[] = esc_html( sprintf( $field_messages['wrong_format'],  $fields['phone'] ) );
                }
            } catch ( \libphonenumber\NumberParseException $e ) {
                $errors[] = esc_html( sprintf( $field_messages['wrong_format'],  $fields['phone'] ) );
            }
        }

        return ( empty( $errors ) ) ? true : $errors;
    }

}