/**
* Arudha calculation.
*
* @param string $key Arudha key
* @param null|array $options Options to set (optional)
* @return array
* @throws Exception\InvalidArgumentException
*/
public function getArudha($key, array $options = null)
{
$this->checkData();
if (!array_key_exists($key, self::$arudha)) {
throw new Exception\InvalidArgumentException("Arudha with the key '{$key}' does not exist.");
}
if ($key == self::KEY_AL) {
$bhavaKey = 1;
} elseif ($key == self::KEY_UL) {
$bhavaKey = 12;
} else {
$bhavaKey = substr($key, 1);
}
$Bhava = Bhava::getInstance($bhavaKey)->setEnvironment($this->Data);
$bhavaRuler = $Bhava->getRuler();
$lngRuler = $this->getData()['graha'][$bhavaRuler]['longitude'];
$lngBhava = $this->getData()['bhava'][$bhavaKey]['longitude'];
$lngDiff = $lngRuler - $lngBhava;
$lngArudha = $lngRuler + $lngDiff;
if ($lngArudha >= 360) {
$lngArudha = $lngArudha - 360;
} elseif ($lngArudha < 0) {
$lngArudha = 360 + $lngArudha;
}
$unitArudha = Math::partsToUnits($lngArudha);
$rashiArudha = $unitArudha['units'];
if ($this->optionUseException) {
if (Math::inRange($lngDiff, 0 - $this->optionExceptionRang, $this->optionExceptionRang) || Math::inRange(abs($lngDiff), 90 - $this->optionExceptionRang, 90 + $this->optionExceptionRang)) {
$rashiArudha = Math::numberInCycle($unitArudha['units'], 10);
$lngArudha = ($rashiArudha - 1) * 30 + $unitArudha['parts'];
}
}
return ['longitude' => $lngArudha, 'rashi' => $rashiArudha, 'degree' => $unitArudha['parts']];
}
