<?php
class ControllerQuickCheckoutGuest extends Controller {
  	public function index() {
    	$this->language->load('quickcheckout/checkout');

		$data['text_select'] = $this->language->get('text_select');
		$data['text_none'] = $this->language->get('text_none');
		$data['text_your_details'] = $this->language->get('text_your_details');
		$data['text_your_account'] = $this->language->get('text_your_account');
		$data['text_your_address'] = $this->language->get('text_your_address');
		$data['text_create_account'] = $this->language->get('text_create_account');
		$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_email'] = $this->language->get('entry_email');
		$data['entry_telephone'] = $this->language->get('entry_telephone');
		$data['entry_fax'] = $this->language->get('entry_fax');
		$data['entry_company'] = $this->language->get('entry_company');
		$data['entry_customer_group'] = $this->language->get('entry_customer_group');
		$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['entry_shipping'] = $this->language->get('entry_shipping');

		$data['guest_checkout'] = ($this->config->get('config_checkout_guest') && !$this->config->get('config_customer_price') && !$this->cart->hasDownload());

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

		$data['customer_groups'] = array();

		if (is_array($this->config->get('config_customer_group_display'))) {
			$this->load->model('account/customer_group');

			$customer_groups = $this->model_account_customer_group->getCustomerGroups();

			foreach ($customer_groups as $customer_group) {
				if (in_array($customer_group['customer_group_id'], $this->config->get('config_customer_group_display'))) {
					$data['customer_groups'][] = $customer_group;
				}
			}
		}

		if (isset($this->session->data['guest']['customer_group_id'])) {
			$data['customer_group_id'] = $this->session->data['guest']['customer_group_id'];
		} else {
			$data['customer_group_id'] = $this->config->get('config_customer_group_id');
		}
		
		if (isset($this->session->data['guest']['firstname'])) {
			$data['firstname'] = $this->session->data['guest']['firstname'];
		} else {
			$data['firstname'] = '';
		}

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

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

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

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

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

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

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

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

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

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

			$data['country_id'] = $country['default'];
		}

		if (isset($this->session->data['payment_address']['zone_id'])) {
			$data['zone_id'] = $this->session->data['payment_address']['zone_id'];
		} elseif (isset($this->session->data['payment_address']['zone_id'])) {
			$data['zone_id'] = $this->session->data['payment_address']['zone_id'];
		} else {
			$zone = $this->config->get('quickcheckout_field_zone');

			$data['zone_id'] = $zone['default'];
		}

		$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();

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

		$data['shipping_required'] = $this->cart->hasShipping();

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

		// Fields
		$fields = array(
			'firstname',
			'lastname',
			'email',
			'telephone',
			'fax',
			'company',
			'customer_group',
			'address_1',
			'address_2',
			'city',
			'postcode',
			'country',
			'zone'
		);

		// All variables
		$data['debug'] = $this->config->get('quickcheckout_debug');
		$data['country_reload'] = $this->config->get('quickcheckout_country_reload');
		$data['field_register'] = $this->config->get('quickcheckout_field_register');

		$sort_order = array();

		foreach ($fields as $key => $field) {
			$field_data = $this->config->get('quickcheckout_field_' . $field);

			$data['field_' . $field] = $field_data;

			$sort_order[$key] = $field_data['sort_order'];
		}

		array_multisort($sort_order, SORT_ASC, $fields);

		$data['fields'] = $fields;

		if (file_exists(DIR_TEMPLATE . $this->config->get('config_template') . '/template/quickcheckout/guest.tpl')) {
			$this->response->setOutput($this->load->view($this->config->get('config_template') . '/template/quickcheckout/guest.tpl', $data));
		} else {
			$this->response->setOutput($this->load->view('default/template/quickcheckout/guest.tpl', $data));
		}
  	}

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

		$json = array();

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

		if (!$json) {
			$firstname = $this->config->get('quickcheckout_field_firstname');

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

			$lastname = $this->config->get('quickcheckout_field_lastname');

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

			$email = $this->config->get('quickcheckout_field_email');

			if (!empty($email['required'])) {
				if ((utf8_strlen($this->request->post['email']) > 96) || !preg_match('/^[^\@]+@.*\.[a-z]{2,6}$/i', $this->request->post['email'])) {
					$json['error']['email'] = $this->language->get('error_email');
				}
			}

			$telephone = $this->config->get('quickcheckout_field_telephone');

			if (!empty($telephone['required'])) {
				if ((utf8_strlen($this->request->post['telephone']) < 3) || (utf8_strlen($this->request->post['telephone']) > 32)) {
					$json['error']['telephone'] = $this->language->get('error_telephone');
				}
			}

			$fax = $this->config->get('quickcheckout_field_fax');

			if (!empty($fax['required'])) {
				if ((utf8_strlen($this->request->post['fax']) < 3) || (utf8_strlen($this->request->post['fax']) > 32)) {
					$json['error']['fax'] = $this->language->get('error_fax');
				}
			}

			$company = $this->config->get('quickcheckout_field_company');

			if (!empty($company['required'])) {
				if ((utf8_strlen($this->request->post['company']) < 3) || (utf8_strlen($this->request->post['company']) > 32)) {
					$json['error']['company'] = $this->language->get('error_company');
				}
			}

			$address_1 = $this->config->get('quickcheckout_field_address_1');

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

			$address_2 = $this->config->get('quickcheckout_field_address_2');

			if (!empty($address_2['required'])) {
				if ((utf8_strlen($this->request->post['address_2']) < 3) || (utf8_strlen($this->request->post['address_2']) > 128)) {
					$json['error']['address_2'] = $this->language->get('error_address_2');
				}
			}

			$city = $this->config->get('quickcheckout_field_city');

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

			$country = $this->config->get('quickcheckout_field_country');

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

			$zone = $this->config->get('quickcheckout_field_zone');

			if (!empty($zone['required'])) {
				if ($this->request->post['zone_id'] == '') {
					$json['error']['zone'] = $this->language->get('error_zone');
				}
			}
			
			// Customer Group
			if (isset($this->request->post['customer_group_id']) && is_array($this->config->get('config_customer_group_display')) && in_array($this->request->post['customer_group_id'], $this->config->get('config_customer_group_display'))) {
				$customer_group_id = $this->request->post['customer_group_id'];
			} else {
				$customer_group_id = $this->config->get('config_customer_group_id');
			}

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

			$custom_fields = $this->model_account_custom_field->getCustomFields($customer_group_id);

			foreach ($custom_fields as $custom_field) {
				if ($custom_field['required'] && empty($this->request->post['custom_field'][$custom_field['location']][$custom_field['custom_field_id']])) {
					$json['error']['custom_field' . $custom_field['custom_field_id']] = sprintf($this->language->get('error_custom_field'), $custom_field['name']);
				}
			}
		}

		if (!$json) {
			$this->session->data['account'] = 'guest';
			
			$this->session->data['guest']['customer_group_id'] = $customer_group_id;
			$this->session->data['guest']['firstname'] = $this->request->post['firstname'];
			$this->session->data['guest']['lastname'] = $this->request->post['lastname'];
			$this->session->data['guest']['email'] = $this->request->post['email'];
			$this->session->data['guest']['telephone'] = $this->request->post['telephone'];
			$this->session->data['guest']['fax'] = $this->request->post['fax'];

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

			$this->session->data['payment_address']['firstname'] = $this->request->post['firstname'];
			$this->session->data['payment_address']['lastname'] = $this->request->post['lastname'];
			$this->session->data['payment_address']['company'] = $this->request->post['company'];
			$this->session->data['payment_address']['address_1'] = $this->request->post['address_1'];
			$this->session->data['payment_address']['address_2'] = $this->request->post['address_2'];
			$this->session->data['payment_address']['postcode'] = $this->request->post['postcode'];
			$this->session->data['payment_address']['city'] = $this->request->post['city'];
			$this->session->data['payment_address']['country_id'] = $this->request->post['country_id'];
			$this->session->data['payment_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['payment_address']['country'] = $country_info['name'];
				$this->session->data['payment_address']['iso_code_2'] = $country_info['iso_code_2'];
				$this->session->data['payment_address']['iso_code_3'] = $country_info['iso_code_3'];
				$this->session->data['payment_address']['address_format'] = $country_info['address_format'];
			} else {
				$this->session->data['payment_address']['country'] = '';
				$this->session->data['payment_address']['iso_code_2'] = '';
				$this->session->data['payment_address']['iso_code_3'] = '';
				$this->session->data['payment_address']['address_format'] = '';
			}
			
			if (isset($this->request->post['custom_field']['address'])) {
				$this->session->data['payment_address']['custom_field'] = $this->request->post['custom_field']['address'];
			} else {
				$this->session->data['payment_address']['custom_field'] = array();
			}

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

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

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

			if (!empty($this->request->post['shipping_address'])) {
				$this->session->data['guest']['shipping_address'] = $this->request->post['shipping_address'];
			} else {
				$this->session->data['guest']['shipping_address'] = false;
			}

			// Default Payment Address
			if ($this->session->data['guest']['shipping_address']) {
				$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'];

				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'] = '';
				}

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

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