<?php

class ApiController {
    
    /**
     * method for pretty jsonsuccess output
     *
     * @param array $data
     * @return string
     */
    public function jsonSuccess($data) {
        return json_encode(
            [
                'status' => 'success',
                'data' => $data,
            ], 
            JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE
        );
    }

    /**
     * method for pretty jsonerror output
     *
     * @param array $error
     * @return string
     */
    public function jsonError ($error) {
        echo json_encode(
            [
                'status' => 'failed',
                'data' => 'none',
                'error' => $error
            ], 
            JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE
        );
    }

    /**
     * get authentication key out database
     *
     * @return array
     */
    private function getAuthKey () {
        $validTokens = DatabaseShow(
            "API_Credentials",
            "TOKEN"
        );

        return array_column($validTokens, 'TOKEN');
    }

    /**
     * url authentication method via token and optional parameter function
     *
     * @param string $token
     * @param string $function
     * @return void
     */
    public function urlAuth ($token, $function = '') {

        $validTokens = $this->getAuthKey();
        if (!in_array($token, $validTokens)) {
            http_response_code(401);
            $error = json_encode([
                "error" => "Unauthorized",
                "debug_received_token" => $token,
            ]);

            echo $this->jsonError($error);

            DatabaseInsert(
                "API_LOGS",
                "CLIENT_IP, TOKEN, API, FUNKTION, JSON",
                (new getSpecificData())->getClientIP(),
                $token,
                (new getSpecificData())->getRequestURL(),
                $function,
                $error
            );

            errorMail(
                "API Login failed",
                $error,
                true,
            );
            return false;
        }
        return true;
    }
}