<?php
class ControllerCheckoutPaymentAddress extends Controller {

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

        $data['text_address_existing'] = $this->language->get('text_address_existing');
        $data['text_address_new'] = $this->language->get('text_address_new');
        $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['payment_address']['address_id'])) {
            $data['address_id'] = $this->session->data['payment_address']['address_id'];
        } else {
            $data['address_id'] = $this->customer->getAddressId();
        }

        $this->load->model('account/address');

        $data['addresses'] = $this->model_account_address->getAddresses();

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

        if (isset($this->session->data['payment_address']['zone_id'])) {
            $data['zone_id'] = $this->session->data['payment_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->config->get('config_customer_group_id'));

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

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

        // Validate minimum quantity requirements.
        $products = $this->cart->cartProducts;

        foreach ($products as $product) {
            $product_total = 0;

            foreach ($products as $product_2) {
                if ($product_2['product_id'] == $product['product_id']) {
                    $product_total += $product_2['quantity'];
                }
            }

            if ($product['minimum'] > $product_total) {
                $json['redirect'] = $this->url->link('checkout/cart');

                break;
            }
        }

        if (!$json) {
            if (isset($this->request->post['payment_address']) && $this->request->post['payment_address'] == 'existing') {
                $this->load->model('account/address');

                if (empty($this->request->post['address_id'])) {
                    $json['error']['warning'] = $this->language->get('error_address');
                } elseif (!in_array($this->request->post['address_id'], array_keys($this->model_account_address->getAddresses()))) {
                    $json['error']['warning'] = $this->language->get('error_address');
                }

                if (!$json) {
                    // Default Payment Address
                    $this->load->model('account/address');

                    $this->session->data['payment_address'] = $this->model_account_address->getAddress($this->request->post['address_id']);

                    unset($this->session->data['payment_method']);
                    unset($this->session->data['payment_methods']);
                }
            } else {
                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($this->request->post['city']) < 2) || (utf8_strlen($this->request->post['city']) > 32)) {
                    $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->config->get('config_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) {
                    // Default Payment Address
                    $this->load->model('account/address');

                    $address_id = $this->model_account_address->addAddress($this->request->post);

                    $this->session->data['payment_address'] = $this->model_account_address->getAddress($address_id);

                    unset($this->session->data['payment_method']);
                    unset($this->session->data['payment_methods']);

                    if ($this->config->get('config_customer_activity')) {
                        $this->load->model('account/activity');

                        $activity_data = array(
                            'customer_id' => $this->customer->getId(),
                            'name'        => $this->customer->getFirstName() . ' ' . $this->customer->getLastName()
                        );

                        $this->model_account_activity->addActivity('address_add', $activity_data);
                    }
                }
            }
        }

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

}