import logging

from extract_msg import constants
from extract_msg.properties import Properties


logger = logging.getLogger(__name__)
logger.addHandler(logging.NullHandler())


class Recipient(object):
    """
    Contains the data of one of the recipients in an msg file.
    """

    def __init__(self, _dir, msg):
        object.__init__(self)
        self.__msg = msg  # Allows calls to original msg file
        self.__dir = _dir
        self.__props = Properties(self._getStream('__properties_version1.0'), constants.TYPE_RECIPIENT)
        self.__email = self._getStringStream('__substg1.0_39FE')
        if not self.__email:
            self.__email = self._getStringStream('__substg1.0_3003')
        self.__name = self._getStringStream('__substg1.0_3001')
        self.__type = self.__props.get('0C150003').value
        self.__formatted = u'{0} <{1}>'.format(self.__name, self.__email)

    def _getStream(self, filename):
        return self.__msg._getStream([self.__dir, filename])

    def _getStringStream(self, filename):
        """
        Gets a string representation of the requested filename.
        Checks for both ASCII and Unicode representations and returns
        a value if possible.  If there are both ASCII and Unicode
        versions, then :param prefer: specifies which will be
        returned.
        """
        return self.__msg._getStringStream([self.__dir, filename])

    def Exists(self, filename):
        """
        Checks if stream exists inside the recipient folder.
        """
        return self.__msg.Exists([self.__dir, filename])

    def sExists(self, filename):
        """
        Checks if the string stream exists inside the recipient folder.
        """
        return self.__msg.sExists([self.__dir, filename])

    @property
    def email(self):
        """
        Returns the recipient's email.
        """
        return self.__email

    @property
    def formatted(self):
        """
        Returns the formatted recipient string.
        """
        return self.__formatted

    @property
    def name(self):
        """
        Returns the recipient's name.
        """
        return self.__name

    @property
    def props(self):
        """
        Returns the Properties instance of the recipient.
        """
        return self.__props

    @property
    def type(self):
        """
        Returns the recipient type.
        Sender if `type & 0xf == 0`
        To if `type & 0xf == 1`
        Cc if `type & 0xf == 2`
        Bcc if `type & 0xf == 3`
        """
        return self.__type