# -*- coding: utf-8 -*-

from enum import Enum

from Model.Except import NotImplementedMethodeError

class STATUS(Enum):
    UNKNOWN = -1
    OK = 0
    WARNING = 1
    ERROR = 2

class AbstractModelChecker(object):
    def __init__(self):
        self._name = ""
        self._description = ""

        self._status = STATUS.UNKNOWN
        self._summary = "Unknown"

    @property
    def name(self):
        return self._name

    @property
    def description(self):
        return self._description

    @property
    def summary(self):
        return self._summary

    # Checker status

    def is_unknown(self):
        return self._status == STATUS.UNKNOWN

    def is_ok(self):
        return self._status == STATUS.OK

    def is_warning(self):
        return self._status == STATUS.WARNING

    def is_error(self):
        return self._status == STATUS.ERROR

    # Abstract function

    def run(self, study):
        """Run checker function

        Args:
            study: The study to check

        Returns:
            Return true if study is valid for this checker, false
            otherelse
        """
        raise NotImplementedMethodeError(self, self.run)