/**
* Get the response based on a probability to cooperate
*
* The probability should be passed in as a callable that accepts one argument that acts as
* the coefficient for the formula
*
* @param callable $getProbability
* @return ResponseEnum
*/
private function getResponseByChanceToCooperate(callable $getProbability)
{
$probability = $getProbability(self::PROBABILITY_COEFFICIENT);
$max = 1 / $probability;
$shouldCooperate = mt_rand(1, $max) === 1;
return $shouldCooperate ? ResponseEnum::create(ResponseEnum::COOPERATE) : ResponseEnum::create(ResponseEnum::CONFESS);
}
/**
* @inheritDoc
*/
protected function execute(InputInterface $input, OutputInterface $output)
{
$partnerPreviousResponse = null;
$playerPreviousResponse = null;
if (null !== $input->getArgument(self::PARTNER_PREVIOUS_RESPONSE)) {
$partnerPreviousResponse = ResponseEnum::create($input->getArgument(self::PARTNER_PREVIOUS_RESPONSE));
}
if (null !== $input->getArgument(self::PLAYER_PREVIOUS_RESPONSE)) {
$playerPreviousResponse = ResponseEnum::create($input->getArgument(self::PLAYER_PREVIOUS_RESPONSE));
}
$response = $this->responseProvider->getResponse($partnerPreviousResponse, $playerPreviousResponse);
$output->writeln((string) $response);
}