# -*- coding: utf-8 -*-
# $Id$
# Basic implementation of FlexibleAssignTo ValidOwnerProvider for trac,
# that uses trac users but displays their fullname in the assign <select>

## trac imports
from trac.core import *
from trac.util.compat import sorted

## FlexibleAssignTo imports
from flexibleassignto import IValidOwnerProvider, SimpleUser

__version__ = '0.1'
__revision__ = "2"
version = __version__
fullversion = ".".join([__version__, __revision__])

class BasicFullNameOwnerProvider(Component):
    implements(IValidOwnerProvider)

    def getUsers(self, next_action_obj):
        known_users = list(self.env.get_known_users())
        # get_known_users() returns a list of tuples with:
        # [(u'username', u'Full Name', u'email'), (u'username', u'Full Name', u'email')... ]
        user_objs = []
        for userinfo in known_users:
            u = BasicFullNameUser()
            u.username = u.userlogin = userinfo[0]
            try:
                u.firstname, u.lastname = userinfo[1].split(' ', 1)
            except (ValueError, AttributeError):
                u.firstname = userinfo[1]
                u.lastname = ""
            u.email = userinfo[2]
            u.setOptionValue("%s" % u.username)
            u.setOptionDisplay("%s %s  (%s)" % (u.firstname, u.lastname, u.username))
            user_objs.append(u)
        return [EmptyFullNameUser()] + sorted(user_objs)

class BasicFullNameUser(SimpleUser):
    def __cmp__(self, other):
        return cmp(self.lastname, other.lastname)

class EmptyFullNameUser(BasicFullNameUser):
    def __init__(self):
        self.firstname = ""
        self.lastname = ""
        self.fullname = ""
        self.userlogin = ""
        self.email = ""
        self.username = ""
        self.option_value = ""
        self.option_display = ""