# -*- coding: iso-8859-1 -*-
# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This file is part of CubicWeb.
#
# CubicWeb is free software: you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 2.1 of the License, or (at your option)
# any later version.
#
# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
"""unit tests for database value generator"""

import os.path as osp
import re
import datetime
import io

from logilab.common.testlib import TestCase, unittest_main

from cubicweb.devtools.fill import ValueGenerator, make_tel
from cubicweb.devtools import ApptestConfiguration

DATADIR = osp.join(osp.abspath(osp.dirname(__file__)), 'data')
ISODATE_SRE = re.compile('(?P<year>\d{4})-(?P<month>\d{2})-(?P<day>\d{2})$')


class MyValueGenerator(ValueGenerator):

    def generate_Bug_severity(self, entity, index):
        return u'dangerous'

    def generate_Any_description(self, entity, index, format=None):
        return u'yo'


class ValueGeneratorTC(TestCase):
    """test case for ValueGenerator"""

    def _choice_func(self, etype, attrname):
        try:
            return getattr(self, '_available_%s_%s' % (etype, attrname))(etype, attrname)
        except AttributeError:
            return None

    def _available_Person_firstname(self, etype, attrname):
        return [f.strip() for f in io.open(osp.join(DATADIR, 'firstnames.txt'), encoding='latin1')]

    def setUp(self):
        config = ApptestConfiguration('data', __file__)
        config.bootstrap_cubes()
        schema = config.load_schema()
        e_schema = schema.eschema('Person')
        self.person_valgen = ValueGenerator(e_schema, self._choice_func)
        e_schema = schema.eschema('Bug')
        self.bug_valgen = MyValueGenerator(e_schema)
        self.config = config

    def test_string(self):
        """test string generation"""
        surname = self.person_valgen.generate_attribute_value({}, 'surname', 12)
        self.assertEqual(surname, u'�&surname12')

    def test_domain_value(self):
        """test value generation from a given domain value"""
        firstname = self.person_valgen.generate_attribute_value({}, 'firstname', 12)
        possible_choices = self._choice_func('Person', 'firstname')
        self.assertTrue(firstname in possible_choices,
                        '%s not in %s' % (firstname, possible_choices))

    def test_choice(self):
        """test choice generation"""
        # Test for random index
        for index in range(5):
            sx_value = self.person_valgen.generate_attribute_value({}, 'civility', index)
            self.assertTrue(sx_value in ('Mr', 'Mrs', 'Ms'))

    def test_integer(self):
        """test integer generation"""
        # Test for random index
        for index in range(5):
            cost_value = self.bug_valgen.generate_attribute_value({}, 'cost', index)
            self.assertIn(cost_value, list(range(index+1)))

    def test_date(self):
        """test date generation"""
        # Test for random index
        for index in range(10):
            date_value = self.person_valgen.generate_attribute_value({}, 'birthday', index)
            self.assertTrue(isinstance(date_value, datetime.date))

    def test_phone(self):
        """tests make_tel utility"""
        self.assertEqual(make_tel(22030405), '22 03 04 05')

    def test_customized_generation(self):
        self.assertEqual(self.bug_valgen.generate_attribute_value({}, 'severity', 12),
                          u'dangerous')
        self.assertEqual(self.bug_valgen.generate_attribute_value({}, 'description', 12),
                          u'yo')
        self.assertEqual(self.person_valgen.generate_attribute_value({}, 'description', 12),
                          u'yo')


class ConstraintInsertionTC(TestCase):

    def test_writeme(self):
        self.skipTest('Test automatic insertion / Schema Constraints')


if __name__ == '__main__':
    unittest_main()