<?php
class ControllerCheckoutGuestShipping extends Controller {

    public function index() {
        $this->load->language('checkout/checkout');

        $data['text_select'] = $this->language->get('text_select');
        $data['text_none'] = $this->language->get('text_none');
        $data['text_loading'] = $this->language->get('text_loading');

        $data['entry_firstname'] = $this->language->get('entry_firstname');
        $data['entry_lastname'] = $this->language->get('entry_lastname');
        $data['entry_company'] = $this->language->get('entry_company');
        $data['entry_address_1'] = $this->language->get('entry_address_1');
        $data['entry_address_2'] = $this->language->get('entry_address_2');
        $data['entry_postcode'] = $this->language->get('entry_postcode');
        $data['entry_city'] = $this->language->get('entry_city');
        $data['entry_country'] = $this->language->get('entry_country');
        $data['entry_zone'] = $this->language->get('entry_zone');

        $data['button_continue'] = $this->language->get('button_continue');
        $data['button_upload'] = $this->language->get('button_upload');

        if (isset($this->session->data['shipping_address']['firstname'])) {
            $data['firstname'] = $this->session->data['shipping_address']['firstname'];
        } else {
            $data['firstname'] = '';
        }

        if (isset($this->session->data['shipping_address']['lastname'])) {
            $data['lastname'] = $this->session->data['shipping_address']['lastname'];
        } else {
            $data['lastname'] = '';
        }

        if (isset($this->session->data['shipping_address']['company'])) {
            $data['company'] = $this->session->data['shipping_address']['company'];
        } else {
            $data['company'] = '';
        }

        if (isset($this->session->data['shipping_address']['address_1'])) {
            $data['address_1'] = $this->session->data['shipping_address']['address_1'];
        } else {
            $data['address_1'] = '';
        }

        if (isset($this->session->data['shipping_address']['address_2'])) {
            $data['address_2'] = $this->session->data['shipping_address']['address_2'];
        } else {
            $data['address_2'] = '';
        }

        if (isset($this->session->data['shipping_address']['postcode'])) {
            $data['postcode'] = $this->session->data['shipping_address']['postcode'];
        } else {
            $data['postcode'] = '';
        }

        if (isset($this->session->data['shipping_address']['city'])) {
            $data['city'] = $this->session->data['shipping_address']['city'];
        } else {
            $data['city'] = '';
        }

        if (isset($this->session->data['shipping_address']['country_id'])) {
            $data['country_id'] = $this->session->data['shipping_address']['country_id'];
        } else {
            $data['country_id'] = $this->config->get('config_country_id');
        }

        if (isset($this->session->data['shipping_address']['zone_id'])) {
            $data['zone_id'] = $this->session->data['shipping_address']['zone_id'];
        } else {
            $data['zone_id'] = '';
        }

        $this->load->model('localisation/country');

        $data['countries'] = $this->model_localisation_country->getCountries();

        // Custom Fields
        $this->load->model('account/custom_field');

        $data['custom_fields'] = $this->model_account_custom_field->getCustomFields($this->session->data['guest']['customer_group_id']);

        if (isset($this->session->data['shipping_address']['custom_field'])) {
            $data['address_custom_field'] = $this->session->data['shipping_address']['custom_field'];
        } else {
            $data['address_custom_field'] = array();
        }

        $this->response->setOutput($this->load->view('checkout/guest_shipping', $data));
    }

    public function save() {
        $this->load->language('checkout/checkout');

        $json = array();

        // Validate if customer is logged in.
        if ($this->customer->isLogged()) {
            $json['redirect'] = $this->url->link('checkout/checkout', '', true);
        }

        // Validate cart has products and has stock.
        if ((!$this->cart->hasProducts() && empty($this->session->data['vouchers'])) || (!$this->cart->hasStock() && !$this->config->get('config_stock_checkout'))) {
            $json['redirect'] = $this->url->link('checkout/cart');
        }

        // Check if guest checkout is available.
        if (!$this->config->get('config_checkout_guest') || $this->config->get('config_customer_price') || $this->cart->hasDownload()) {
            $json['redirect'] = $this->url->link('checkout/checkout', '', true);
        }

        if (!$json) {
            if ((utf8_strlen(trim($this->request->post['firstname'])) < 1) || (utf8_strlen(trim($this->request->post['firstname'])) > 32)) {
                $json['error']['firstname'] = $this->language->get('error_firstname');
            }

            if ((utf8_strlen(trim($this->request->post['lastname'])) < 1) || (utf8_strlen(trim($this->request->post['lastname'])) > 32)) {
                $json['error']['lastname'] = $this->language->get('error_lastname');
            }

            if ((utf8_strlen(trim($this->request->post['address_1'])) < 3) || (utf8_strlen(trim($this->request->post['address_1'])) > 128)) {
                $json['error']['address_1'] = $this->language->get('error_address_1');
            }

            if ((utf8_strlen(trim($this->request->post['city'])) < 2) || (utf8_strlen(trim($this->request->post['city'])) > 128)) {
                $json['error']['city'] = $this->language->get('error_city');
            }

            $this->load->model('localisation/country');

            $country_info = $this->model_localisation_country->getCountry($this->request->post['country_id']);

            if ($country_info && $country_info['postcode_required'] && (utf8_strlen(trim($this->request->post['postcode'])) < 2 || utf8_strlen(trim($this->request->post['postcode'])) > 10)) {
                $json['error']['postcode'] = $this->language->get('error_postcode');
            }

            if ($this->request->post['country_id'] == '') {
                $json['error']['country'] = $this->language->get('error_country');
            }

            if (!isset($this->request->post['zone_id']) || $this->request->post['zone_id'] == '' || !is_numeric($this->request->post['zone_id'])) {
                $json['error']['zone'] = $this->language->get('error_zone');
            }

            // Custom field validation
            $this->load->model('account/custom_field');

            $custom_fields = $this->model_account_custom_field->getCustomFields($this->session->data['guest']['customer_group_id']);

            foreach ($custom_fields as $custom_field) {
                if (($custom_field['location'] == 'address') && $custom_field['required'] && empty($this->request->post['custom_field'][$custom_field['custom_field_id']])) {
                    $json['error']['custom_field' . $custom_field['custom_field_id']] = sprintf($this->language->get('error_custom_field'), $custom_field['name']);
                } elseif (($custom_field['location'] == 'address') && ($custom_field['type'] == 'text') && !empty($custom_field['validation']) && !filter_var($this->request->post['custom_field'][$custom_field['custom_field_id']], FILTER_VALIDATE_REGEXP, array(
                        'options' => array( 'regexp' => $custom_field['validation'] ) ))) {
                    $json['error']['custom_field' . $custom_field['custom_field_id']] = sprintf($this->language->get('error_custom_field'), $custom_field['name']);
                }
            }
        }

        if (!$json) {
            $this->session->data['shipping_address']['firstname'] = $this->request->post['firstname'];
            $this->session->data['shipping_address']['lastname'] = $this->request->post['lastname'];
            $this->session->data['shipping_address']['company'] = $this->request->post['company'];
            $this->session->data['shipping_address']['address_1'] = $this->request->post['address_1'];
            $this->session->data['shipping_address']['address_2'] = $this->request->post['address_2'];
            $this->session->data['shipping_address']['postcode'] = $this->request->post['postcode'];
            $this->session->data['shipping_address']['city'] = $this->request->post['city'];
            $this->session->data['shipping_address']['country_id'] = $this->request->post['country_id'];
            $this->session->data['shipping_address']['zone_id'] = $this->request->post['zone_id'];

            $this->load->model('localisation/country');

            $country_info = $this->model_localisation_country->getCountry($this->request->post['country_id']);

            if ($country_info) {
                $this->session->data['shipping_address']['country'] = $country_info['name'];
                $this->session->data['shipping_address']['iso_code_2'] = $country_info['iso_code_2'];
                $this->session->data['shipping_address']['iso_code_3'] = $country_info['iso_code_3'];
                $this->session->data['shipping_address']['address_format'] = $country_info['address_format'];
            } else {
                $this->session->data['shipping_address']['country'] = '';
                $this->session->data['shipping_address']['iso_code_2'] = '';
                $this->session->data['shipping_address']['iso_code_3'] = '';
                $this->session->data['shipping_address']['address_format'] = '';
            }

            $this->load->model('localisation/zone');

            $zone_info = $this->model_localisation_zone->getZone($this->request->post['zone_id']);

            if ($zone_info) {
                $this->session->data['shipping_address']['zone'] = $zone_info['name'];
                $this->session->data['shipping_address']['zone_code'] = $zone_info['code'];
            } else {
                $this->session->data['shipping_address']['zone'] = '';
                $this->session->data['shipping_address']['zone_code'] = '';
            }

            if (isset($this->request->post['custom_field'])) {
                $this->session->data['shipping_address']['custom_field'] = $this->request->post['custom_field'];
            } else {
                $this->session->data['shipping_address']['custom_field'] = array();
            }

            unset($this->session->data['shipping_method']);
            unset($this->session->data['shipping_methods']);
        }

        $this->response->addHeader('Content-Type: application/json');
        $this->response->setOutput(json_encode($json));
    }

}