import time
from datetime import datetime

class PcsBackupInfo:
    """Class that represents a backup

    Attributes:
    _name -- Backup name
    path -- Backup directory path
    date -- Date when backup was created
    _comment -- Any comment about backup
    size -- Backup file size
    files_number = total number of backup files
    _time = time object was created in seconds since epoch

    """

    def __init__(self, name, path, size, comment=""):
        """Initialize object attributes."""
        self._name = name
        self.path = path
        self._time = time.time()
        self.date = datetime.fromtimestamp(self._time).replace(microsecond=0)
        self.size = size
        self.files_number = 0
        self._comment = comment
        self.fromDevice = False

    def getPath(self):
        """Return object path."""
        return self.path

    def getName(self):
        """Return object name."""
        return self._name

    def getDate(self):
        """Return object creation date."""
        return self.date

    def getComment(self):
        """Return object _comment attribute."""
        return self._comment

    def getSize(self):
        """Return object file size."""
        return self.size
    
    def getTime(self):
        """ Returns the object creation time in seconds since epoch. """
        return self._time
    
    def getFilesNumber(self):
        """ Return number of files this backup holds. """
        return self.files_number

    def setComment(self, new_comment):
        """Set object _comment attribute to the given string"""
        self._comment = new_comment

    def setName(self, new_name):
        """Set object name to a new name"""
        self._name = new_name
        
    def setDate(self, newDate):
        self.date = newDate
    
    def setFilesNumber(self, number_of_files):
        """ Set number of files this backup holds to number_of_files ."""
        self.files_number = number_of_files
        
    def setAtDevice(self, bool=False):
        self.fromDevice = bool