<?php

/*
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 */

/**
 * Description of ApiClass
 *
 * @author Maroš
 */

namespace app\classes;

class ApiClass {

    /** @var UrlReader */
    protected $urlReader;

    /** @var RestApi */
    protected $restApi;

    /** @var \App */
    protected $app;

    /** @var Translator */
    protected $translator;

    /** @var ModuleConfig */
    protected $cnfg;

    /** @var BasicUser */
    protected $loggedUser;
    protected $requiresAuth = true;
    protected $table;

    public function __construct() {
        $this->app = \App::getInstance();
        $this->urlReader = UrlReader::getInstance();
        $this->restApi = RestApi::getInstance();
        $rc = new \ReflectionClass(get_class($this));
        $this->cnfg = new ModuleConfig($rc->getFileName());
        $this->translator = Translator::getInstance();
        if ($this->requiresAuth) {
            usleep(150000);
            $this->verifyAuth();
        } else {
            usleep(rand(15000, 20000) * 100);
        }
    }

    protected function verifyAuth() {
        try {
            $this->loggedUser = BasicUser::getLoggedUser();
        } catch (\Exception $ex) {
            try {
                if (!isset(getallheaders()["Authorization"])) {
                    throw new \Exception(\app\constants\ResponseCodes::UNAUTHORIZED, \app\constants\ResponseCodes::UNAUTHORIZED);
                }
                $token = getallheaders()["Authorization"];
                $tokenParse = explode("|", $token);
                if (count($tokenParse) !== 2) {
                    throw new \Exception(\app\constants\ResponseCodes::INVALID_AUTH_TOKEN, \app\constants\ResponseCodes::INVALID_AUTH_TOKEN);
                }

                $user = new \app\classes\BasicUser($tokenParse[0], false, false, false, array(\app\constants\UserType::ENGINEER, \app\constants\UserType::ENGINEER_OPERATOR));

                if ($user->authorize($token) === false) {
                    throw new \Exception(\app\constants\ResponseCodes::INVALID_AUTH_TOKEN, \app\constants\ResponseCodes::INVALID_AUTH_TOKEN);
                }
                $this->loggedUser = $user;
            } catch (\Exception $ex) {
                $errCode = $ex->getCode();
                if ($errCode === 404) {
                    $errCode = \app\constants\ResponseCodes::INVALID_AUTH_TOKEN;
                }
                $this->restApi->setCode($errCode);
                $this->restApi->setHttpResponseCode($errCode);
                $this->restApi->ajaxResponse();
            }
        }
    }

    protected function setUnlockAlways(\modules\locks\code\Lock $lock) {
        $unlockFunc = function () use ($lock) {
            $lock->unlock();
        };
        $this->restApi->setAlwaysFunction($unlockFunc);
    }

    protected function verifyLock($lockColumn = "id", $lockId = false, $lockTable = false) {
        $lock = \modules\locks\code\Lock::getLock($lockId === false ? $this->urlReader->getPost($lockColumn) : $lockId, $lockTable === false ? $this->table : $lockTable);
        $lock->lock();
        $this->setUnlockAlways($lock);
    }

    protected function verifyRights($element, $array, $function = "in_array") {

        if ($function === "in_array") {
            if (!in_array($element, $array)) {
                throw new \Exception(\app\constants\ResponseCodes::ACCESS_DENIED, \app\constants\ResponseCodes::ACCESS_DENIED);
            }
        } else {
            if (!key_exists($element, $array)) {
                throw new \Exception(\app\constants\ResponseCodes::ACCESS_DENIED, \app\constants\ResponseCodes::ACCESS_DENIED);
            }
        }
    }

}