<?php


use Empik\Marketplace\Adapter\ConfigurationAdapter;
use Empik\Marketplace\Adapter\LinkAdapter;
use Empik\Marketplace\Factory\EmpikClientFactory;
use Empik\Marketplace\Validator\Validator;

class AdminEmpikConnectionController extends ModuleAdminController
{
    const CONN_SUCCESS = 1;
    const CONN_ERROR_API = 2;

    public $_conf = [];
    public $_error = [];

    /** @var EmpikMarketplace */
    public $module;

    /** @var EmpikClientFactory */
    protected $empikClientFactory;

    /** @var LinkAdapter */
    protected $link;

    public function __construct()
    {
        parent::__construct();

        $this->bootstrap = true;

        $this->_conf[self::CONN_SUCCESS] = $this->l('Connection to API works fine.');
        $this->_error[self::CONN_ERROR_API] = $this->l('Unable to connect, check connection details and try again.');

        $this->empikClientFactory = $this->module->getService('empik.marketplace.factory.empikClientFactory');
        $this->link = $this->module->getService('empik.marketplace.adapter.link');
    }

    public function initProcess()
    {
        $this->display = 'edit';

        parent::initProcess();
    }

    public function postProcess()
    {
        if (Tools::getIsset('submit'.$this->controller_name)) {
            $this->handleForm();
        }

        parent::postProcess();
    }

    public function handleForm()
    {
        $environment = Tools::getValue('environment');
        $apiKey = Tools::getValue('api_key');

        if (!Validator::isValidEnvironment($environment)) {
            $this->errors[] = $this->l('Invalid environment field');
        }

        if (!Validator::isValidApiKey($apiKey)) {
            $this->errors[] = $this->l('Invalid API key field');
        }

        if (empty($this->errors)) {

            $result = true;

            $result &= Configuration::updateValue(ConfigurationAdapter::CONF_ENVIRONMENT, $environment);
            $result &= Configuration::updateValue(ConfigurationAdapter::CONF_API_KEY, $apiKey);

            if ($result) {
                Tools::redirectAdmin(
                    $this->link->getAdminLink($this->controller_name,  ['conf' => 4])
                );
            }
        }

        $this->errors[] = $this->l('Error saving form.');
    }

    public function processTestConnection()
    {
        $status = $this->getConnectionStatus();
        if ($status === self::CONN_SUCCESS) {
            $this->module->setAuthStatus();
            Tools::redirectAdmin(
                $this->link->getAdminLink($this->controller_name, ['conf' => self::CONN_SUCCESS])
            );
        }

        $this->errors[] = $this->_error[self::CONN_ERROR_API];
    }

    /**
     * @return int
     */
    public function getConnectionStatus()
    {
        try {
            $client = $this->empikClientFactory->createClient();
            $client->getAccount();
        } catch (Exception $e) {
            return self::CONN_ERROR_API;
        }

        return self::CONN_SUCCESS;
    }

    public function renderForm()
    {
        $controller = $this->controller_name;

        $this->context->smarty->assign([
            'url_test_connection' => $this->link->getAdminLink($controller, ['action' => 'testConnection'])
        ]);

        $fields = [
            'form' => [
                'legend' => [
                    'title' => $this->l('Configuration'),
                    'icon' => 'icon-cogs',
                ],
                'input' => [
                    [
                        'type' => 'select',
                        'name' => 'environment',
                        'label' => $this->l('Environment'),
                        'hint' => $this->l('Select environment'),
                        'desc' => $this->l('Use "testing" for development, switch to "production" when ready for real orders.'),
                        'options' => [
                            'query' => [
                                [
                                    'url' => ConfigurationAdapter::ENV_TEST,
                                    'name' => $this->l('testing'),
                                ],
                                [
                                    'url' => ConfigurationAdapter::ENV_PROD,
                                    'name' => $this->l('production'),
                                ],
                            ],
                            'id' => 'url',
                            'name' => 'name',
                        ],
                        'class' => 'fixed-width-xxl',
                    ],
                    [
                        'type' => 'text',
                        'label' => $this->l('API key'),
                        'hint' => $this->l('API key'),
                        'desc' => $this->l('Generate API key in EmpikPlace panel (Marketplace > API settings). After entering key and testing connection, CRON URLs will be available in Help tab.'),
                        'name' => 'api_key',
                    ],
                    [
                        'label' => '',
                        'type' => 'html',
                        'name' => 'html_data',
                        'html_content' => $this->context->smarty->fetch(
                            $this->module->getLocalPath().'/views/templates/admin/_partials/test_connection_button.tpl'
                        ),
                    ],
                    [
                        'label' => '',
                        'type' => 'html',
                        'name' => 'custom_html',
                        'html_content' => $this->context->smarty->fetch(
                            $this->module->getLocalPath().'/views/templates/admin/_partials/test_connection_footer.tpl'
                        ),
                    ],
                    ],
            ],
        ];

        $helper = new HelperForm();

        $helper->show_toolbar = false;
        $helper->default_form_language = (int)Configuration::get('PS_LANG_DEFAULT');
        $helper->module = $this->module;
        $helper->allow_employee_form_lang = Configuration::get('PS_BO_ALLOW_EMPLOYEE_FORM_LANG') ? Configuration::get('PS_BO_ALLOW_EMPLOYEE_FORM_LANG') : 0;
        $helper->identifier = $this->identifier;
        $helper->submit_action = 'submit'.$controller;
        $helper->currentIndex = $this->link->getAdminLink($controller);
        $helper->token = Tools::getAdminTokenLite($controller);
        $helper->tpl_vars = [
            'languages' => $this->context->controller->getLanguages(),
            'id_language' => $this->context->language->id,
            'fields_value' => [
                'environment' => Tools::getValue('environment', Configuration::get(ConfigurationAdapter::CONF_ENVIRONMENT)),
                'api_key' => Tools::getValue('api_key', Configuration::get(ConfigurationAdapter::CONF_API_KEY))
            ]
        ];

        return $helper->generateForm([$fields]);
    }

    protected function l($string, $class = null, $addslashes = false, $htmlentities = true)
    {
        return Translate::getModuleTranslation($this->module, $string, get_class($this), null, $addslashes);
    }
}