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

    public function index() {
        $this->load->language('user/api');

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

        $this->load->model('user/api');

        $this->getList();
    }

    public function add() {
        $this->load->language('user/api');

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

        $this->load->model('user/api');

        if (($this->request->server['REQUEST_METHOD'] == 'POST') && $this->validateForm()) {
            $this->model_user_api->addApi($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('user/api', 'token=' . $this->session->data['token'] . $url, true));
        }

        $this->getForm();
    }

    public function edit() {
        $this->load->language('user/api');

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

        $this->load->model('user/api');

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

            if(!empty($this->request->post['api_ip'])) {
                $this->request->post['api_ip'] = array_unique( $this->request->post['api_ip'] );
            }

            $this->model_user_api->editApi($this->request->get['api_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('user/api', 'token=' . $this->session->data['token'] . $url, true));
        }

        $this->getForm();
    }

    public function delete() {
        $this->load->language('user/api');

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

        $this->load->model('user/api');

        if (isset($this->request->post['selected']) && $this->validateDelete()) {
            foreach ($this->request->post['selected'] as $api_id) {
                $this->model_user_api->deleteApi($api_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('user/api', '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 = 'name';
        }

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

        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('user/api', 'token=' . $this->session->data['token'] . $url, true)
        );

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

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

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

        $user_total = $this->model_user_api->getTotalApis();

        $results = $this->model_user_api->getApis($filter_data);

        foreach ($results as $result) {
            $data['apis'][] = array(
                'api_id'     => $result['api_id'],
                'name'       => $result['name'],
                'status'     => ($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('user/api/edit', 'token=' . $this->session->data['token'] . '&api_id=' . $result['api_id'] . $url, true)
            );
        }

        $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_name'] = $this->language->get('column_name');
        $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');

        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_name'] = $this->url->link('user/api', 'token=' . $this->session->data['token'] . '&sort=name' . $url, true);
        $data['sort_status'] = $this->url->link('user/api', 'token=' . $this->session->data['token'] . '&sort=status' . $url, true);
        $data['sort_date_added'] = $this->url->link('user/api', 'token=' . $this->session->data['token'] . '&sort=date_added' . $url, true);
        $data['sort_date_modified'] = $this->url->link('user/api', 'token=' . $this->session->data['token'] . '&sort=date_modified' . $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 = $user_total;
        $pagination->page = $page;
        $pagination->limit = $this->config->get('config_limit_admin');
        $pagination->url = $this->url->link('user/api', 'token=' . $this->session->data['token'] . $url . '&page={page}', true);

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

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

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

        $data['http_client_ip'] = $this->request->server['HTTP_CLIENT_IP'];

        $data['text_form'] = !isset($this->request->get['api_id']) ? $this->language->get('text_add') : $this->language->get('text_edit');
        $data['text_no_results'] = $this->language->get('text_no_results');
        $data['text_enabled'] = $this->language->get('text_enabled');
        $data['text_disabled'] = $this->language->get('text_disabled');
        $data['text_ip'] = sprintf($this->language->get('text_ip'), $this->request->server['HTTP_CLIENT_IP']);

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

        $data['column_token'] = $this->language->get('column_token');
        $data['column_ip'] = $this->language->get('column_ip');
        $data['column_date_added'] = $this->language->get('column_date_added');
        $data['column_date_modified'] = $this->language->get('column_date_modified');
        $data['column_action'] = $this->language->get('column_action');

        $data['entry_name'] = $this->language->get('entry_name');
        $data['entry_key'] = $this->language->get('entry_key');
        $data['entry_status'] = $this->language->get('entry_status');
        $data['entry_ip'] = $this->language->get('entry_ip');

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

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

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

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

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

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

        $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('user/api', 'token=' . $this->session->data['token'] . $url, true)
        );

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

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

        if (isset($this->request->get['api_id']) && ($this->request->server['REQUEST_METHOD'] != 'POST')) {
            $api_info = $this->model_user_api->getApi($this->request->get['api_id']);
        }

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

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

        if (isset($this->request->post['status'])) {
            $data['status'] = $this->request->post['status'];
        } elseif (!empty($api_info)) {
            $data['status'] = $api_info['status'];
        } else {
            $data['status'] = 0;
        }

        // IP
        if (isset($this->request->post['api_ip'])) {
            $data['api_ips'] = $this->request->post['api_ip'];
        } elseif (isset($this->request->get['api_id'])) {
            $data['api_ips'] = $this->model_user_api->getApiIps($this->request->get['api_id']);
        } else {
            $data['api_ips'] = array();
        }

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

        if (isset($this->request->get['api_id'])) {
            $results = $this->model_user_api->getApiSessions($this->request->get['api_id']);

            foreach ($results as $result) {
                $data['api_sessions'][] = array(
                    'api_session_id' => $result['api_session_id'],
                    'token'          => $result['token'],
                    'ip'             => $result['ip'],
                    'date_added'     => date($this->language->get('datetime_format'), strtotime($result['date_added'])),
                    'date_modified'  => date($this->language->get('datetime_format'), strtotime($result['date_modified']))
                );
            }
        }

        $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('user/api_form', $data));
    }

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

        if ((utf8_strlen(trim($this->request->post['name'])) < 3) || (utf8_strlen(trim($this->request->post['name'])) > 64)) {
            $this->error['name'] = $this->language->get('error_name');
        }

        if ((utf8_strlen($this->request->post['key']) < 64) || (utf8_strlen($this->request->post['key']) > 256)) {
            $this->error['key'] = $this->language->get('error_key');
        }

        return !$this->error;
    }

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

        return !$this->error;
    }

    public function addIp() {
        $this->load->language('user/api');

        $json = array();

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

            $this->model_user_api->addApiIp($this->request->get['api_id'], $this->request->post['ip']);

            $json['success'] = $this->language->get('text_success');
        }

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

    public function deleteSession() {
        $this->load->language('user/api');

        $json = array();

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

            $this->model_user_api->deleteApiSession($this->request->get['api_session_id']);

            $json['success'] = $this->language->get('text_success');
        }

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

}