$app->group('/get', function() use ($app)
{

    if(!isset($_POST['userid'])) {
        sendFail("Please submit a POST variable called \"userid\" which should be equal to the Discord ID or Minecraft UUID of the user requesting information from the API.");
    } else {
        $requester = fetchUserId($_POST['userid']);
        if(!$requester) {
            sendFail("Invalid userid variable. Perhaps it's not associated with their account yet?");
        }
    }

    $app->post('/notes/:username', function($username)
    {
        $player = fetchPlayerInfo($username);
        $amount = 5;
        if(isset($_POST['amount']) && inRange($_POST['amount'], 1, 30)) {
            $amount = $_POST['amount'];
        }
        fetchPlayerNotes($player, $amount);
    });
});

//Called Functions:

function fetchPlayerInfo($username, $customTooManyResults = false)
{
    global $db;

    $profiles = $db->all("SELECT * FROM profiles WHERE `username` LIKE ? OR `aliases` LIKE ?", ["{$username}%", "%{$username}%"]);
    $nprofiles = count($profiles);

    if($nprofiles == 0) {
        sendFail("No Profile found for **{$username}**.");
    } else if($nprofiles == 1) {
        $data = $profiles[0];
        $info = [
            "uid" => $data['uid'],
            "uuid" => $data['uuid'],
            "username" => $data['username'],
            "aliases" => $data['aliases']
        ];
        return $info;
    } else if(!$customTooManyResults) {
        sendFail("Too many results found for **{$username}**. Please try one of the following:\n" . implode(", ", array_column($profiles, 'username')));
    } else {
        return $profiles;
    }
}

function inRange($number, $min, $max)
{
    if($number < $min || $number > $max)
        return false;
    return true;
}

function fetchPlayerNotes($player, $amount)
{
    global $db;
    $amount = (int) $amount; //neccessary to prevent sql injection, PDO doesn't allow it to be inserted dynamically.
    $results = $db->all("SELECT * FROM notes WHERE `profile`=? ORDER BY timestamp DESC LIMIT {$amount}", [$player['uid']]);
    if(empty($results))
        sendSuccess("No notes found! `Good Egg?`");
    //$output = [];
    foreach($results as $key => $note) {
        $noter    = fetchUserDisplayname($note['noter']);
        $output[] = ($key + 1) . ": {$note['note']} - {$noter}";
    }
    sendSuccess("Latest notes for **{$player['username']}**:\n```css\n" . implode("\n", $output) . "```");
}