// Extract paramters
$results = regexMatch("/results=(\\d*),?/", $args);
$seed = regexMatch("/seed=(\\w*),?/", $args);
$lego = regexMatch("/(lego)/", $args);
$gender = regexMatch("/gender=(\\w*),?/", $args);
$format = regexMatch("/fmt=(\\w*),?/", $args);
$nat = regexMatch("/nat=(\\w*),?/", $args);
$dataset = new Dataset($seed);
// Only accept numeric results and use default if not provided
if ($results === null || !is_numeric($results)) {
$results = 1;
}
// Sanitize gender input. If it isn't valid, then it is null (random)
// A set seed will override the gender
if ($gender !== "male" && $gender !== "female" || $seed !== null) {
$dataset->setGender(null);
} else {
$dataset->setGender($gender);
}
// Set format
$dataset->setFormat($format);
// Choose random nat if not provided or invalid
// Lego mode overrides ALL
if (isset($lego)) {
$dataset->setNat("lego");
} else {
if (($nat === null || !$dataset->validNat($nat)) && $dataset->getNat() === null) {
$dataset->chooseRandomNat();
} else {
if ($dataset->getNat() === null) {
$dataset->setNat($nat);