<?php
class ControllerSaleVoucher extends Controller {
    private $error = array();

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

        $this->document->setTitle($this->language->get('heading_title'));

        $this->load->model('sale/voucher');

        $this->getList();
    }

    public function add() {
        $this->load->language('sale/voucher');

        $this->document->setTitle($this->language->get('heading_title'));

        $this->load->model('sale/voucher');

        if (($this->request->server['REQUEST_METHOD'] == 'POST') && $this->validateForm()) {
            $this->model_sale_voucher->addVoucher($this->request->post);

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

            $url = '';

            if (isset($this->request->get['sort'])) {
                $url .= '&sort=' . $this->request->get['sort'];
            }

            if (isset($this->request->get['order'])) {
                $url .= '&order=' . $this->request->get['order'];
            }

            if (isset($this->request->get['page'])) {
                $url .= '&page=' . $this->request->get['page'];
            }

            $this->response->redirect($this->url->link('sale/voucher', 'token=' . $this->session->data['token'] . $url, true));
        }

        $this->getForm();
    }

    public function edit() {
        $this->load->language('sale/voucher');

        $this->document->setTitle($this->language->get('heading_title'));

        $this->load->model('sale/voucher');

        if (($this->request->server['REQUEST_METHOD'] == 'POST') && $this->validateForm()) {
            $this->model_sale_voucher->editVoucher($this->request->get['voucher_id'], $this->request->post);

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

            $url = '';

            if (isset($this->request->get['sort'])) {
                $url .= '&sort=' . $this->request->get['sort'];
            }

            if (isset($this->request->get['order'])) {
                $url .= '&order=' . $this->request->get['order'];
            }

            if (isset($this->request->get['page'])) {
                $url .= '&page=' . $this->request->get['page'];
            }

            $this->response->redirect($this->url->link('sale/voucher', 'token=' . $this->session->data['token'] . $url, true));
        }

        $this->getForm();
    }

    public function delete() {
        $this->load->language('sale/voucher');

        $this->document->setTitle($this->language->get('heading_title'));

        $this->load->model('sale/voucher');

        if (isset($this->request->post['selected']) && $this->validateDelete()) {
            foreach ($this->request->post['selected'] as $voucher_id) {
                $this->model_sale_voucher->deleteVoucher($voucher_id);
            }

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

            $url = '';

            if (isset($this->request->get['sort'])) {
                $url .= '&sort=' . $this->request->get['sort'];
            }

            if (isset($this->request->get['order'])) {
                $url .= '&order=' . $this->request->get['order'];
            }

            if (isset($this->request->get['page'])) {
                $url .= '&page=' . $this->request->get['page'];
            }

            $this->response->redirect($this->url->link('sale/voucher', 'token=' . $this->session->data['token'] . $url, true));
        }

        $this->getList();
    }

    protected function getList() {
        if (isset($this->request->get['sort'])) {
            $sort = $this->request->get['sort'];
        } else {
            $sort = 'v.date_added';
        }

        if (isset($this->request->get['order'])) {
            $order = $this->request->get['order'];
        } else {
            $order = 'DESC';
        }

        if (isset($this->request->get['page'])) {
            $page = $this->request->get['page'];
        } else {
            $page = 1;
        }

        $url = '';

        if (isset($this->request->get['sort'])) {
            $url .= '&sort=' . $this->request->get['sort'];
        }

        if (isset($this->request->get['order'])) {
            $url .= '&order=' . $this->request->get['order'];
        }

        if (isset($this->request->get['page'])) {
            $url .= '&page=' . $this->request->get['page'];
        }

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

        $data['breadcrumbs'][] = array(
            'text' => $this->language->get('text_home'),
            'href' => $this->url->link('common/dashboard', 'token=' . $this->session->data['token'], true)
        );

        $data['breadcrumbs'][] = array(
            'text' => $this->language->get('heading_title'),
            'href' => $this->url->link('sale/voucher', 'token=' . $this->session->data['token'] . $url, true)
        );

        $data['add'] = $this->url->link('sale/voucher/add', 'token=' . $this->session->data['token'] . $url, true);
        $data['delete'] = $this->url->link('sale/voucher/delete', 'token=' . $this->session->data['token'] . $url, true);

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

        $filter_data = array(
            'sort'  => $sort,
            'order' => $order,
            'start' => ($page - 1) * $this->config->get('config_limit_admin'),
            'limit' => $this->config->get('config_limit_admin')
        );

        $voucher_total = $this->model_sale_voucher->getTotalVouchers();

        $results = $this->model_sale_voucher->getVouchers($filter_data);

        foreach ($results as $result) {
            if ($result['order_id']) {
                $order_href = $this->url->link('sale/order/info', 'token=' . $this->session->data['token'] . '&order_id=' . $result['order_id'] . $url, true);
            } else {
                $order_href = '';
            }

            $data['vouchers'][] = array(
                'voucher_id' => $result['voucher_id'],
                'code'       => $result['code'],
                'from'       => $result['from_name'],
                'to'         => $result['to_name'],
                'theme'      => $result['theme'],
                'amount'     => $this->currency->format($result['amount'], $this->config->get('config_currency')),
                'status'     => ($result['status'] ? $this->language->get('text_enabled') : $this->language->get('text_disabled')),
                'date_added' => date($this->language->get('date_format_short'), strtotime($result['date_added'])),
                'edit'       => $this->url->link('sale/voucher/edit', 'token=' . $this->session->data['token'] . '&voucher_id=' . $result['voucher_id'] . $url, true),
                'order'      => $order_href
            );
        }

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

        $data['text_list'] = $this->language->get('text_list');
        $data['text_no_results'] = $this->language->get('text_no_results');
        $data['text_confirm'] = $this->language->get('text_confirm');

        $data['column_code'] = $this->language->get('column_code');
        $data['column_from'] = $this->language->get('column_from');
        $data['column_to'] = $this->language->get('column_to');
        $data['column_theme'] = $this->language->get('column_theme');
        $data['column_amount'] = $this->language->get('column_amount');
        $data['column_status'] = $this->language->get('column_status');
        $data['column_date_added'] = $this->language->get('column_date_added');
        $data['column_action'] = $this->language->get('column_action');

        $data['button_add'] = $this->language->get('button_add');
        $data['button_edit'] = $this->language->get('button_edit');
        $data['button_delete'] = $this->language->get('button_delete');
        $data['button_send'] = $this->language->get('button_send');
        $data['button_order'] = $this->language->get('button_order');

        $data['token'] = $this->session->data['token'];

        if (isset($this->error['warning'])) {
            $data['error_warning'] = $this->error['warning'];
        } else {
            $data['error_warning'] = '';
        }

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

            unset($this->session->data['success']);
        } else {
            $data['success'] = '';
        }

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

        $url = '';

        if ($order == 'ASC') {
            $url .= '&order=DESC';
        } else {
            $url .= '&order=ASC';
        }

        if (isset($this->request->get['page'])) {
            $url .= '&page=' . $this->request->get['page'];
        }

        $data['sort_code'] = $this->url->link('sale/voucher', 'token=' . $this->session->data['token'] . '&sort=v.code' . $url, true);
        $data['sort_from'] = $this->url->link('sale/voucher', 'token=' . $this->session->data['token'] . '&sort=v.from_name' . $url, true);
        $data['sort_to'] = $this->url->link('sale/voucher', 'token=' . $this->session->data['token'] . '&sort=v.to_name' . $url, true);
        $data['sort_theme'] = $this->url->link('sale/voucher', 'token=' . $this->session->data['token'] . '&sort=theme' . $url, true);
        $data['sort_amount'] = $this->url->link('sale/voucher', 'token=' . $this->session->data['token'] . '&sort=v.amount' . $url, true);
        $data['sort_status'] = $this->url->link('sale/voucher', 'token=' . $this->session->data['token'] . '&sort=v.status' . $url, true);
        $data['sort_date_added'] = $this->url->link('sale/voucher', 'token=' . $this->session->data['token'] . '&sort=v.date_added' . $url, true);

        $url = '';

        if (isset($this->request->get['sort'])) {
            $url .= '&sort=' . $this->request->get['sort'];
        }

        if (isset($this->request->get['order'])) {
            $url .= '&order=' . $this->request->get['order'];
        }

        $pagination = new Pagination();
        $pagination->total = $voucher_total;
        $pagination->page = $page;
        $pagination->limit = $this->config->get('config_limit_admin');
        $pagination->url = $this->url->link('sale/voucher', 'token=' . $this->session->data['token'] . $url . '&page={page}', true);

        $data['pagination'] = $pagination->render();

        $data['results'] = sprintf($this->language->get('text_pagination'), ($voucher_total) ? (($page - 1) * $this->config->get('config_limit_admin')) + 1 : 0, ((($page - 1) * $this->config->get('config_limit_admin')) > ($voucher_total - $this->config->get('config_limit_admin'))) ? $voucher_total : ((($page - 1) * $this->config->get('config_limit_admin')) + $this->config->get('config_limit_admin')), $voucher_total, ceil($voucher_total / $this->config->get('config_limit_admin')));

        $data['sort'] = $sort;
        $data['order'] = $order;

        $data['header'] = $this->load->controller('common/header');
        $data['column_left'] = $this->load->controller('common/column_left');
        $data['footer'] = $this->load->controller('common/footer');

        $this->response->setOutput($this->load->view('sale/voucher_list', $data));
    }

    protected function getForm() {
        $data['heading_title'] = $this->language->get('heading_title');

        $data['text_form'] = !isset($this->request->get['voucher_id']) ? $this->language->get('text_add') : $this->language->get('text_edit');
        $data['text_enabled'] = $this->language->get('text_enabled');
        $data['text_disabled'] = $this->language->get('text_disabled');

        $data['entry_code'] = $this->language->get('entry_code');
        $data['entry_from_name'] = $this->language->get('entry_from_name');
        $data['entry_from_email'] = $this->language->get('entry_from_email');
        $data['entry_to_name'] = $this->language->get('entry_to_name');
        $data['entry_to_email'] = $this->language->get('entry_to_email');
        $data['entry_theme'] = $this->language->get('entry_theme');
        $data['entry_message'] = $this->language->get('entry_message');
        $data['entry_amount'] = $this->language->get('entry_amount');
        $data['entry_status'] = $this->language->get('entry_status');

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

        $data['button_save'] = $this->language->get('button_save');
        $data['button_cancel'] = $this->language->get('button_cancel');
        $data['button_send'] = $this->language->get('button_send');

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

        if (isset($this->request->get['voucher_id'])) {
            $data['voucher_id'] = $this->request->get['voucher_id'];
        } else {
            $data['voucher_id'] = 0;
        }

        if (isset($this->error['warning'])) {
            $data['error_warning'] = $this->error['warning'];
        } else {
            $data['error_warning'] = '';
        }

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

        if (isset($this->error['from_name'])) {
            $data['error_from_name'] = $this->error['from_name'];
        } else {
            $data['error_from_name'] = '';
        }

        if (isset($this->error['from_email'])) {
            $data['error_from_email'] = $this->error['from_email'];
        } else {
            $data['error_from_email'] = '';
        }

        if (isset($this->error['to_name'])) {
            $data['error_to_name'] = $this->error['to_name'];
        } else {
            $data['error_to_name'] = '';
        }

        if (isset($this->error['to_email'])) {
            $data['error_to_email'] = $this->error['to_email'];
        } else {
            $data['error_to_email'] = '';
        }

        if (isset($this->error['amount'])) {
            $data['error_amount'] = $this->error['amount'];
        } else {
            $data['error_amount'] = '';
        }

        $url = '';

        if (isset($this->request->get['sort'])) {
            $url .= '&sort=' . $this->request->get['sort'];
        }

        if (isset($this->request->get['order'])) {
            $url .= '&order=' . $this->request->get['order'];
        }

        if (isset($this->request->get['page'])) {
            $url .= '&page=' . $this->request->get['page'];
        }

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

        $data['breadcrumbs'][] = array(
            'text' => $this->language->get('text_home'),
            'href' => $this->url->link('common/dashboard', 'token=' . $this->session->data['token'], true)
        );

        $data['breadcrumbs'][] = array(
            'text' => $this->language->get('heading_title'),
            'href' => $this->url->link('sale/voucher', 'token=' . $this->session->data['token'] . $url, true)
        );

        if (!isset($this->request->get['voucher_id'])) {
            $data['action'] = $this->url->link('sale/voucher/add', 'token=' . $this->session->data['token'] . $url, true);
        } else {
            $data['action'] = $this->url->link('sale/voucher/edit', 'token=' . $this->session->data['token'] . '&voucher_id=' . $this->request->get['voucher_id'] . $url, true);
        }

        $data['cancel'] = $this->url->link('sale/voucher', 'token=' . $this->session->data['token'] . $url, true);

        if (isset($this->request->get['voucher_id']) && (!$this->request->server['REQUEST_METHOD'] != 'POST')) {
            $voucher_info = $this->model_sale_voucher->getVoucher($this->request->get['voucher_id']);
        }

        $data['token'] = $this->session->data['token'];

        if (isset($this->request->post['code'])) {
            $data['code'] = $this->request->post['code'];
        } elseif (!empty($voucher_info)) {
            $data['code'] = $voucher_info['code'];
        } else {
            $data['code'] = '';
        }

        if (isset($this->request->post['from_name'])) {
            $data['from_name'] = $this->request->post['from_name'];
        } elseif (!empty($voucher_info)) {
            $data['from_name'] = $voucher_info['from_name'];
        } else {
            $data['from_name'] = '';
        }

        if (isset($this->request->post['from_email'])) {
            $data['from_email'] = $this->request->post['from_email'];
        } elseif (!empty($voucher_info)) {
            $data['from_email'] = $voucher_info['from_email'];
        } else {
            $data['from_email'] = '';
        }

        if (isset($this->request->post['to_name'])) {
            $data['to_name'] = $this->request->post['to_name'];
        } elseif (!empty($voucher_info)) {
            $data['to_name'] = $voucher_info['to_name'];
        } else {
            $data['to_name'] = '';
        }

        if (isset($this->request->post['to_email'])) {
            $data['to_email'] = $this->request->post['to_email'];
        } elseif (!empty($voucher_info)) {
            $data['to_email'] = $voucher_info['to_email'];
        } else {
            $data['to_email'] = '';
        }

        $this->load->model('sale/voucher_theme');

        $data['voucher_themes'] = $this->model_sale_voucher_theme->getVoucherThemes();

        if (isset($this->request->post['voucher_theme_id'])) {
            $data['voucher_theme_id'] = $this->request->post['voucher_theme_id'];
        } elseif (!empty($voucher_info)) {
            $data['voucher_theme_id'] = $voucher_info['voucher_theme_id'];
        } else {
            $data['voucher_theme_id'] = '';
        }

        if (isset($this->request->post['message'])) {
            $data['message'] = $this->request->post['message'];
        } elseif (!empty($voucher_info)) {
            $data['message'] = $voucher_info['message'];
        } else {
            $data['message'] = '';
        }

        if (isset($this->request->post['amount'])) {
            $data['amount'] = $this->request->post['amount'];
        } elseif (!empty($voucher_info)) {
            $data['amount'] = $voucher_info['amount'];
        } else {
            $data['amount'] = '';
        }

        if (isset($this->request->post['status'])) {
            $data['status'] = $this->request->post['status'];
        } elseif (!empty($voucher_info)) {
            $data['status'] = $voucher_info['status'];
        } else {
            $data['status'] = true;
        }

        $data['header'] = $this->load->controller('common/header');
        $data['column_left'] = $this->load->controller('common/column_left');
        $data['footer'] = $this->load->controller('common/footer');

        $this->response->setOutput($this->load->view('sale/voucher_form', $data));
    }

    protected function validateForm() {
        if (!$this->user->hasPermission('modify', 'sale/voucher')) {
            $this->error['warning'] = $this->language->get('error_permission');
        }

        if ((utf8_strlen($this->request->post['code']) < 3) || (utf8_strlen($this->request->post['code']) > 10)) {
            $this->error['code'] = $this->language->get('error_code');
        }

        $voucher_info = $this->model_sale_voucher->getVoucherByCode($this->request->post['code']);

        if ($voucher_info) {
            if (!isset($this->request->get['voucher_id'])) {
                $this->error['warning'] = $this->language->get('error_exists');
            } elseif ($voucher_info['voucher_id'] != $this->request->get['voucher_id']) {
                $this->error['warning'] = $this->language->get('error_exists');
            }
        }

        if ((utf8_strlen($this->request->post['to_name']) < 1) || (utf8_strlen($this->request->post['to_name']) > 64)) {
            $this->error['to_name'] = $this->language->get('error_to_name');
        }

        if ((utf8_strlen($this->request->post['to_email']) > 96) || !filter_var($this->request->post['to_email'], FILTER_VALIDATE_EMAIL)) {
            $this->error['to_email'] = $this->language->get('error_email');
        }

        if ((utf8_strlen($this->request->post['from_name']) < 1) || (utf8_strlen($this->request->post['from_name']) > 64)) {
            $this->error['from_name'] = $this->language->get('error_from_name');
        }

        if ((utf8_strlen($this->request->post['from_email']) > 96) || !filter_var($this->request->post['from_email'], FILTER_VALIDATE_EMAIL)) {
            $this->error['from_email'] = $this->language->get('error_email');
        }

        if ($this->request->post['amount'] < 1) {
            $this->error['amount'] = $this->language->get('error_amount');
        }

        return !$this->error;
    }

    protected function validateDelete() {
        if (!$this->user->hasPermission('modify', 'sale/voucher')) {
            $this->error['warning'] = $this->language->get('error_permission');
        }

        $this->load->model('sale/order');

        foreach ($this->request->post['selected'] as $voucher_id) {
            $order_voucher_info = $this->model_sale_order->getOrderVoucherByVoucherId($voucher_id);

            if ($order_voucher_info) {
                $this->error['warning'] = sprintf($this->language->get('error_order'), $this->url->link('sale/order/info', 'token=' . $this->session->data['token'] . '&order_id=' . $order_voucher_info['order_id'], true));

                break;
            }
        }

        return !$this->error;
    }

    public function history() {
        $this->load->language('sale/voucher');

        $this->load->model('sale/voucher');

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

        $data['column_order_id'] = $this->language->get('column_order_id');
        $data['column_customer'] = $this->language->get('column_customer');
        $data['column_amount'] = $this->language->get('column_amount');
        $data['column_date_added'] = $this->language->get('column_date_added');

        if (isset($this->request->get['page'])) {
            $page = $this->request->get['page'];
        } else {
            $page = 1;
        }

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

        $results = $this->model_sale_voucher->getVoucherHistories($this->request->get['voucher_id'], ($page - 1) * 10, 10);

        foreach ($results as $result) {
            $data['histories'][] = array(
                'order_id'   => $result['order_id'],
                'customer'   => $result['customer'],
                'amount'     => $this->currency->format($result['amount'], $this->config->get('config_currency')),
                'date_added' => date($this->language->get('date_format_short'), strtotime($result['date_added']))
            );
        }

        $history_total = $this->model_sale_voucher->getTotalVoucherHistories($this->request->get['voucher_id']);

        $pagination = new Pagination();
        $pagination->total = $history_total;
        $pagination->page = $page;
        $pagination->limit = 10;
        $pagination->url = $this->url->link('sale/voucher/history', 'token=' . $this->session->data['token'] . '&voucher_id=' . $this->request->get['voucher_id'] . '&page={page}', true);

        $data['pagination'] = $pagination->render();

        $data['results'] = sprintf($this->language->get('text_pagination'), ($history_total) ? (($page - 1) * 10) + 1 : 0, ((($page - 1) * 10) > ($history_total - 10)) ? $history_total : ((($page - 1) * 10) + 10), $history_total, ceil($history_total / 10));

        $this->response->setOutput($this->load->view('sale/voucher_history', $data));
    }

    public function send() {
        $this->load->language('sale/voucher');

        $json = array();

        if (!$this->user->hasPermission('modify', 'sale/voucher')) {
            $json['error'] = $this->language->get('error_permission');
        }

        if (!$json) {
            $this->load->model('sale/voucher');

            $vouchers = array();

            if (isset($this->request->post['selected'])) {
                $vouchers = $this->request->post['selected'];
            } elseif (isset($this->request->post['voucher_id'])) {
                $vouchers[] = $this->request->post['voucher_id'];
            }

            if ($vouchers) {
                foreach ($vouchers as $voucher_id) {
                    $this->model_sale_voucher->sendVoucher($voucher_id);
                }

                $json['success'] = $this->language->get('text_sent');
            } else {
                $json['error'] = $this->language->get('error_selection');
            }
        }

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

}