from zope.interface import Interface, implements
from zope import schema
from zope.component import getUtility
from plone.app.users.browser.interfaces import EmailAddressInvalid
from plone.app.users.browser.formlib import FileUpload
from Products.CMFCore.interfaces import ISiteRoot
from Products.CMFCore.utils import getToolByName
from Products.CMFPlone import PloneMessageFactory as _


class IUserDataSchemaProvider(Interface):
    """
    """

    def getSchema():
        """
        """


class UserDataSchemaProvider(object):
    implements(IUserDataSchemaProvider)

    def getSchema(self):
        """
        """
        return IUserDataSchema


def checkEmailAddress(value):
    portal = getUtility(ISiteRoot)

    reg_tool = getToolByName(portal, 'portal_registration')
    if value and reg_tool.isValidEmail(value):
        pass
    else:
        raise EmailAddressInvalid
    return True


class IUserDataSchema(Interface):
    """
    """

    fullname = schema.TextLine(
        title=_(u'label_full_name', default=u'Full Name'),
        description=_(u'help_full_name_creation',
                      default=u"Enter full name, e.g. John Smith."),
        required=False)

    email = schema.ASCIILine(
        title=_(u'label_email', default=u'E-mail'),
        description=u'',
        required=True,
        constraint=checkEmailAddress)

    home_page = schema.TextLine(
        title=_(u'label_homepage', default=u'Home page'),
        description=_(u'help_homepage',
                      default=u"The URL for your external home page, "
                      "if you have one."),
        required=False)

    description = schema.Text(
        title=_(u'label_biography', default=u'Biography'),
        description=_(u'help_biography',
                      default=u"A short overview of who you are and what you "
                      "do. Will be displayed on your author page, linked "
                      "from the items you create."),
        required=False)

    location = schema.TextLine(
        title=_(u'label_location', default=u'Location'),
        description=_(u'help_location',
                      default=u"Your location - either city and "
                      "country - or in a company setting, where "
                      "your office is located."),
        required=False)

    portrait = FileUpload(title=_(u'label_portrait', default=u'Portrait'),
        description=_(u'help_portrait',
                      default=u'To add or change the portrait: click the '
                      '"Browse" button; select a picture of yourself. '
                      'Recommended image size is 75 pixels wide by 100 '
                      'pixels tall.'),
        required=False)

    pdelete = schema.Bool(
        title=_(u'label_delete_portrait', default=u'Delete Portrait'),
        description=u'',
        required=False)