class Call

class Call {
    private $methodName;
    private $arguments;
    private $returnValue;
    private $exception;
    
    /**
     * @var string|null
     */
    private $file;
    
    /**
     * @var int|null
     */
    private $line;
    
    /**
     * @var \SplObjectStorage<ArgumentsWildcard, int|false>
     */
    private $scores;
    
    /**
     * Initializes call.
     *
     * @param string      $methodName
     * @param array<mixed> $arguments
     * @param mixed       $returnValue
     * @param Exception|null $exception
     * @param null|string $file
     * @param null|int    $line
     */
    public function __construct($methodName, array $arguments, $returnValue, ?Exception $exception, $file, $line) {
        $this->methodName = $methodName;
        $this->arguments = $arguments;
        $this->returnValue = $returnValue;
        $this->exception = $exception;
        $this->scores = new \SplObjectStorage();
        if ($file) {
            $this->file = $file;
            $this->line = intval($line);
        }
    }
    
    /**
     * Returns called method name.
     *
     * @return string
     */
    public function getMethodName() {
        return $this->methodName;
    }
    
    /**
     * Returns called method arguments.
     *
     * @return array<mixed>
     */
    public function getArguments() {
        return $this->arguments;
    }
    
    /**
     * Returns called method return value.
     *
     * @return null|mixed
     */
    public function getReturnValue() {
        return $this->returnValue;
    }
    
    /**
     * Returns exception that call thrown.
     *
     * @return null|Exception
     */
    public function getException() {
        return $this->exception;
    }
    
    /**
     * Returns callee filename.
     *
     * @return string|null
     */
    public function getFile() {
        return $this->file;
    }
    
    /**
     * Returns callee line number.
     *
     * @return int|null
     */
    public function getLine() {
        return $this->line;
    }
    
    /**
     * Returns short notation for callee place.
     *
     * @return string
     */
    public function getCallPlace() {
        if (null === $this->file) {
            return 'unknown';
        }
        return sprintf('%s:%d', $this->file, $this->line);
    }
    
    /**
     * Adds the wildcard match score for the provided wildcard.
     *
     * @param ArgumentsWildcard $wildcard
     * @param false|int $score
     *
     * @return $this
     */
    public function addScore(ArgumentsWildcard $wildcard, $score) {
        $this->scores[$wildcard] = $score;
        return $this;
    }
    
    /**
     * Returns wildcard match score for the provided wildcard. The score is
     * calculated if not already done.
     *
     * @param ArgumentsWildcard $wildcard
     *
     * @return false|int False OR integer score (higher - better)
     */
    public function getScore(ArgumentsWildcard $wildcard) {
        if (isset($this->scores[$wildcard])) {
            return $this->scores[$wildcard];
        }
        return $this->scores[$wildcard] = $wildcard->scoreArguments($this->getArguments());
    }

}