<?php

function callAPI($url){
        $curl = curl_init($url);
        curl_setopt($curl, CURLOPT_FAILONERROR, true);
        curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);  
        curl_setopt($curl, CURLOPT_HTTPHEADER, array(
                'x-api-key: bpEUTJEBTf74oGRWxaIcW7aeZMzDDODe1yBoSxi2',
                'Content-Type: application/json',
        )); // set the api key
        curl_setopt($curl, CURLOPT_USERAGENT,'ProductionRelease/3.8.2 (app.tier.sharing; build:3.8.2.0; iOS 12.4.4) Alamofire/4.9.1'); // set user-agent to that of the Tier.app, sniffed by burpsuite

        $result = curl_exec($curl);
        //echo $result;
        if(!$result){return 'api connection failed'.PHP_EOL;}
        curl_close($curl);
        return $result;
};

function getactiveSooters(){
    $berlin = 'https://platform.tier-services.io/v1/vehicle?zoneId=BERLIN';
    $getJSON = callAPI($berlin); //abstract callAPI for neater reuse
    $saveData = file_put_contents("activescooters.json", $getJSON);
    if (file_put_contents("activescooters.json", $getJSON))
        echo "JSON file created successfully...";
    else 
        echo "Oops! Error creating json file...";
    return $saveData; //return array
};

function parseJSON($id){
    $readJSON = file_get_contents('./activescooters.json'); //read latest data
    $latestData = json_decode($readJSON, true);
    $scooter = $latestData["data"][$id];
    $scooter_UUID = $scooter["id"];
    return $scooter_UUID;
};

function append_UUID(){
    $filename = "./scooter_UUID.json";
    $scooterUUID_JSON = file_get_contents($filename);
    $scooterUUID_Array = json_decode($scooterUUID_JSON,true);
    //print_r($scooterUUID_Array);
    $activescooterJSON = file_get_contents('./activescooters.json'); //read latest data
    $activescooterArray = json_decode($activescooterJSON, true);
    //print_r($activescooterArray);
    $scooters = $activescooterArray["data"];
    //print_r($scooters);
    $id = 0; //start id
    //$api_call = "https://platform.tier-services.io/v1/vehicle/";
    foreach ($scooters as $item) {
        $UUID = parseJSON($id);
        $UUID_Entry = array('UUID' => $UUID);
        if (in_array($UUID_Entry, $scooterUUID_Array)) {
            echo "matched".PHP_EOL;
        } else {
            $additionalUUID = array('UUID' => $UUID);
            $scooterUUID_Array[] = $additionalUUID ;
            $jsonData = json_encode($scooterUUID_Array);
            file_put_contents('./scooter_UUID.json', $jsonData);
            echo "new Entry added".PHP_EOL; 
        }
        //$json_entry = "{" . "\"URL\":" . "\"" . $api_call . $UUID . "\"" . "},";
        //file_put_contents($filename, $json_entry, FILE_APPEND | LOCK_EX);
        $id++;
    }
};

getactiveSooters();
append_UUID();

?>