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

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

		if ($this->customer->isLogged() && isset($this->session->data['payment_address_id'])) {
			$payment_address = $this->model_account_address->getAddress($this->session->data['payment_address_id']);
		} else{
			  if (isset($this->session->data['payment_temp']["active"])){
			  	 if (isset($this->session->data['payment_temp'][$this->session->data['payment_temp']["active"]]["data"])){
			  	 	$payment_address = $this->session->data['payment_temp'][$this->session->data['payment_temp']["active"]]["data"];
			  	 }

			  }else {
					if (isset($this->session->data['guest'])) {
					$payment_address = $this->session->data['guest']['payment'];
			      }
			  }
		}
		$first_payment_code = "";
		if (!empty($payment_address)) {
			// Totals
			$total_data = array();
			$total = 0;
			$taxes = $this->cart->getTaxes();

			$this->load->model('setting/extension');

			$sort_order = array();

			$results = $this->model_setting_extension->getExtensions('total');

			foreach ($results as $key => $value) {
				$sort_order[$key] = $this->config->get($value['code'] . '_sort_order');
			}

			array_multisort($sort_order, SORT_ASC, $results);

			foreach ($results as $result) {
				if ($this->config->get($result['code'] . '_status')) {
					$this->load->model('total/' . $result['code']);

					$this->{'model_total_' . $result['code']}->getTotal($total_data, $total, $taxes);
				}
			}

			// Payment Methods
			$method_data = array();

			$this->load->model('setting/extension');

			$results = $this->model_setting_extension->getExtensions('payment');

			foreach ($results as $result) {
				if ($this->config->get($result['code'] . '_status')) {
					$this->load->model('payment/' . $result['code']);

					$method = $this->{'model_payment_' . $result['code']}->getMethod($payment_address, $total);

					if ($method) {
						$method_data[$result['code']] = $method;

					}
				}
			}

			$sort_order = array();

			foreach ($method_data as $key => $value) {
				$sort_order[$key] = $value['sort_order'];
			}

			array_multisort($sort_order, SORT_ASC, $method_data);

			if(empty($first_payment_code)){
				reset($method_data);
				$first_payment_code = key($method_data);
			}

			$this->session->data['payment_methods'] = $method_data;

		}

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

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

		if (empty($this->session->data['payment_methods'])) {
			$this->data['error_warning'] = sprintf($this->language->get('error_no_payment'), $this->url->link('information/contact'));
		} else {
			$this->data['error_warning'] = '';
		}

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

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

		if ($this->data['code'] == ''){
			if (!empty($first_payment_code)){
				$this->session->data['payment_method'] = $this->session->data['payment_methods'][$first_payment_code];
				$this->data['code']==$first_payment_code;
			 }

		}

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

		if ($this->config->get('config_checkout_id')) {
			$this->load->model('catalog/information');

			$information_info = $this->model_catalog_information->getInformation($this->config->get('config_checkout_id'));

			if ($information_info) {
				$this->data['text_agree'] = sprintf($this->language->get('text_agree'), $this->url->link('information/information/info', 'information_id=' . $this->config->get('config_checkout_id'), 'SSL'), $information_info['title'], $information_info['title']);
			} else {
				$this->data['text_agree'] = '';
			}
		} else {
			$this->data['text_agree'] = '';
		}

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

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

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

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

		$json = array();

		// Validate if payment address has been set.
		$this->load->model('account/address');

		if ($this->customer->isLogged() && isset($this->session->data['payment_address_id'])) {
			$payment_address = $this->model_account_address->getAddress($this->session->data['payment_address_id']);
		} elseif (isset($this->session->data['guest'])) {
			$payment_address = $this->session->data['guest']['payment'];
		}

		if (empty($payment_address)) {
			$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_method'])) {
				$json['error']['warning'] = $this->language->get('error_payment');
			} elseif (!isset($this->session->data['payment_methods'][$this->request->post['payment_method']])) {
				$json['error']['warning'] = $this->language->get('error_payment');
			}

			if ($this->config->get('config_checkout_id')) {
				$this->load->model('catalog/information');

				$information_info = $this->model_catalog_information->getInformation($this->config->get('config_checkout_id'));

				if ($information_info && !isset($this->request->post['agree'])) {
					$json['error']['warning'] = sprintf($this->language->get('error_agree'), $information_info['title']);
				}
			}

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

				$this->session->data['comment'] = strip_tags($this->request->post['comment']);
			}
		}

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