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

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

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

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

		if (isset($this->session->data['payment_address_id'])) {
			$this->data['address_id'] = $this->session->data['payment_address_id'];
		} else {
			$this->data['address_id'] = $this->customer->getAddressId();
		}

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

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

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

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

		$customer_group_info = $this->model_account_customer_group->getCustomerGroup($this->customer->getCustomerGroupId());

		if ($customer_group_info) {
			$this->data['company_id_display'] = $customer_group_info['company_id_display'];
		} else {
			$this->data['company_id_display'] = '';
		}

		if ($customer_group_info) {
			$this->data['company_id_required'] = $customer_group_info['company_id_required'];
		} else {
			$this->data['company_id_required'] = '';
		}

		if ($customer_group_info) {
			$this->data['tax_id_display'] = $customer_group_info['tax_id_display'];
		} else {
			$this->data['tax_id_display'] = '';
		}

		if ($customer_group_info) {
			$this->data['tax_id_required'] = $customer_group_info['tax_id_required'];
		} else {
			$this->data['tax_id_required'] = '';
		}

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

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

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

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

		if (file_exists(DIR_TEMPLATE . $this->config->get('config_template') . '/template/checkout/payment_address.tpl')) {
			$this->template = $this->config->get('config_template') . '/template/checkout/payment_address.tpl';
		} else {
			$this->template = 'default/template/checkout/payment_address.tpl';
		}

		$this->response->setOutput($this->render());			
	}

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

		$json = array();

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

		// 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 requirments.			
		$products = $this->cart->getProducts();

		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');
				} else {
					// Default Payment Address
					$this->load->model('account/address');

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

					if ($address_info) {				
						$this->load->model('account/customer_group');

						$customer_group_info = $this->model_account_customer_group->getCustomerGroup($this->customer->getCustomerGroupId());

						// Company ID
						if ($customer_group_info['company_id_display'] && $customer_group_info['company_id_required'] && !$address_info['company_id']) {
							$json['error']['warning'] = $this->language->get('error_company_id');
						}					

						// Tax ID
						if ($customer_group_info['tax_id_display'] && $customer_group_info['tax_id_required'] && !$address_info['tax_id']) {
							$json['error']['warning'] = $this->language->get('error_tax_id');
						}						
					}					
				}

				if (!$json) {			
					$this->session->data['payment_address_id'] = $this->request->post['address_id'];

					if ($address_info) {
						$this->session->data['payment_country_id'] = $address_info['country_id'];
						$this->session->data['payment_zone_id'] = $address_info['zone_id'];
					} else {
						unset($this->session->data['payment_country_id']);	
						unset($this->session->data['payment_zone_id']);	
					}

					unset($this->session->data['payment_method']);	
					unset($this->session->data['payment_methods']);
				}
			} else {
				if ((utf8_strlen($this->request->post['firstname']) < 1) || (utf8_strlen($this->request->post['firstname']) > 32)) {
					$json['error']['firstname'] = $this->language->get('error_firstname');
				}

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

				// Customer Group
				$this->load->model('account/customer_group');

				$customer_group_info = $this->model_account_customer_group->getCustomerGroup($this->customer->getCustomerGroupId());

				if ($customer_group_info) {	
					// Company ID
					if ($customer_group_info['company_id_display'] && $customer_group_info['company_id_required'] && empty($this->request->post['company_id'])) {
						$json['error']['company_id'] = $this->language->get('error_company_id');
					}

					// Tax ID
					if ($customer_group_info['tax_id_display'] && $customer_group_info['tax_id_required'] && empty($this->request->post['tax_id'])) {
						$json['error']['tax_id'] = $this->language->get('error_tax_id');
					}						
				}

				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');
				}

				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 ($country_info) {
					if ($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');
					}

					// VAT Validation
					$this->load->helper('vat');

					if ($this->config->get('config_vat') && !empty($this->request->post['tax_id']) && (vat_validation($country_info['iso_code_2'], $this->request->post['tax_id']) == 'invalid')) {
						$json['error']['tax_id'] = $this->language->get('error_vat');
					}						
				}

				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'] == '') {
					$json['error']['zone'] = $this->language->get('error_zone');
				}

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

					$this->session->data['payment_address_id'] = $this->model_account_address->addAddress($this->request->post);
					$this->session->data['payment_country_id'] = $this->request->post['country_id'];
					$this->session->data['payment_zone_id'] = $this->request->post['zone_id'];

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

		$this->response->setOutput(json_encode($json));
	}
}
?>