<?php

$USERNAME = "FILLIN";
$PASSOWRD = "FILLIN";

function extractTrackIdsFromApiResponse($response)
{
    return array_map(function ($play) {
        return $play['track']['id'];
    }, $response['results']);
}

function apiRequest($method, $path, $content = null)
{
    $HOST = "https://funkwhale.xn--kll-sna.net";
    return json_decode(file_get_contents($HOST . $path, false, stream_context_create([
        'http' => [
            'header' => 'Content-type: application/json',
            'method' => $method,
            'content' => json_encode($content)
        ]
    ])), true);
}

function sortByOccurances($input){
    $array = array_count_values($input); //get all occurrences of each values
    arsort($array);
    print_r($array);//print occurrences array
    $final_array = array();

    foreach($array as $key=>$val){ // iterate over occurrences array
        for($i=0;$i<$val;$i++){ //apply loop based on occurrences number
            $final_array[] = $key; // assign same name to the final array
        }
    }

    print_r($final_array); // print final array
    return $final_array;
}
function authenticatedApiRequest($token, $method, $path, $content = null)
{
    $HOST = "https://funkwhale.xn--kll-sna.net";
    return json_decode(file_get_contents($HOST . $path, false, stream_context_create([
        'http' => [
            'method' => $method,
            'header' =>
                'Authorization: JWT ' . $token . PHP_EOL
                . 'Content-Type: application/json',
            'content' => json_encode($content)
        ]
    ])), true);
}

$token = apiRequest('POST', '/api/v1/token', [
    'username' => $USERNAME,
    'password' => $PASSOWRD
])['token'];

$PAGE_SIZE = 50;
$qres = authenticatedApiRequest($token, 'GET', '/api/v1/history/listenings/?scope=me&ordering=creation_date&page_size=' . $PAGE_SIZE);
$TOTAL_RESULTS = $qres['count'];
$TRACK_IDS = extractTrackIdsFromApiResponse($qres);
//var_dump($TRACK_IDS);
$NUM_PAGES = ($TOTAL_RESULTS + $PAGE_SIZE - 1) / $PAGE_SIZE;

for ($n = 2; $n <= $NUM_PAGES; $n++) {
    $path = '/api/v1/history/listenings/?scope=me&ordering=creation_date&page_size=' . $PAGE_SIZE . '&page=' . $n;
    var_dump($path);
    $loopRes = authenticatedApiRequest($token, 'GET', $path);
    $TRACK_IDS = array_merge($TRACK_IDS, extractTrackIdsFromApiResponse($loopRes));
}

$newPlayListData = authenticatedApiRequest($token, 'POST', '/api/v1/playlists/', [
    'name' => 'PLGEN_TOP_100',
    'privacy_level' => 'me'
]);
$newPlaylistId = $newPlayListData['id'];

$res = authenticatedApiRequest($token, 'POST', '/api/v1/playlists/' . $newPlaylistId . '/add', [
    'tracks' => array_slice(array_unique(sortByOccurances($TRACK_IDS)), 0, 50),
    'allow_duplicates' => false
]);