"""Review candidates."""

import os
import sys


class Error(object):
    """Default error object created if a rule failed."""

    def __init__(self, lineno, message):
        """
        Initialize a new error object and returns None.

        :param lineno: Line number where the error from de rule occures
        :param message: Detailed error description provided by the rule

        """
        self.lineno = lineno
        self.message = message

    def __repr__(self): # noqa
        if self.lineno:
            return "%s: %s" % (self.lineno, self.message)
        else:
            return " %s" % (self.message)


class Result(object):
    def __init__(self, candidate, errors=None):
        self.candidate = candidate
        self.errors = errors or []

    def message(self):
        return "\n".join(["{0}:{1}".format(self.candidate, error)
                          for error in self.errors])