from zope.interface import Interface, Attribute
from zope import schema
from zope.annotation.interfaces import IAttributeAnnotatable
from zope.app.container.interfaces import IContainer
from zope.app.component.interfaces import IPossibleSite
from zope.component.interfaces import IObjectEvent
from zope.i18nmessageid import MessageFactory
_ = MessageFactory('krihvel')

class IKrihvelBase(Interface):
    """ Marker interface
        Krihvel base interface. 
        Atleast all content types must implement this or interface they implement """

class IMembersFolder(IKrihvelBase, IContainer, IAttributeAnnotatable):
    """ Members folder - contains member home folders """

class IMemberFolder(IKrihvelBase, IContainer, IAttributeAnnotatable):
    """ Members folder - contains member home folders """

class IManagementFolder(IKrihvelBase, IContainer, IAttributeAnnotatable):
    """ Management folder - pace for calling out management pages """

class IKrihvel(IKrihvelBase, IContainer, IPossibleSite, IAttributeAnnotatable):
    """Interface used to define what methods the object
    provides, as well as which fields are available."""

    title = schema.TextLine(title=_(u"Krihvel site title"))
    description = schema.Text(title=_(u"Krihvel site description"))

    def getTitle():
        """Returns the instance title."""

    def getDescription():
        """ Returns the instance description. """

class INewKrihvelSiteEvent(IObjectEvent):
    """Indicates that new Krihvel site has been created"""

import re
from zope.schema import ValidationError
from zope.schema.vocabulary import SimpleVocabulary

class NotAnEmailAddress(ValidationError):
    __doc__ = _(u"This is not a valid email address")

regex = r"[a-zA-Z0-9._%-]+@([a-zA-Z0-9-]+\.)*[a-zA-Z]{2,4}"
check_email = re.compile(regex).match
def validate_email(value):
    if not check_email(value):
        raise NotAnEmailAddress(value)
    return True

class IMemberInfo(IKrihvelBase):

    firstname = schema.TextLine(
        title=_(u"First name"),
        required=True
        )

    lastname = schema.TextLine(
        title=_(u"Last name"),
        required=True
        )

    email = schema.TextLine(
        title=_(u"Email address"),
        required=False,
        constraint=validate_email
        )

    gender = schema.Choice(
        title=_(u"Gender"),
        vocabulary=SimpleVocabulary.fromValues([_(u"Woman"),_(u"Man")]),
        required=True
        )

    biography = schema.Text(
        title=_(u"Biography"),
        required=False
        )

    homepage = schema.URI(
        title=_(u"Homepage"),
        required=False
        )