<?php
class ControllerExtensionTotalCoupon extends Controller {

    public function index() {
        if ($this->config->get('coupon_status')) {
            $this->load->language('extension/total/coupon');

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

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

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

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

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

            return $this->load->view('extension/total/coupon', $data);
        }
    }

    public function coupon() {
        $this->load->language('extension/total/coupon');

        $json = array();

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

        if (isset($this->request->post['coupon'])) {
            $coupon = $this->request->post['coupon'];
        } else {
            $coupon = '';
        }

        $coupon_info = $this->model_extension_total_coupon->getCoupon($coupon);

        if (empty($this->request->post['coupon'])) {
            $json['error'] = $this->language->get('error_empty');

            unset($this->session->data['coupon']);
        } elseif ($coupon_info) {
            $this->session->data['coupon'] = $this->request->post['coupon'];

            $this->session->data['success'] = $this->language->get('text_success');

            $json['redirect'] = $this->url->link('checkout/cart');
        } else {
            $json['error'] = $this->language->get('error_coupon');
        }

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

}