# -*- encoding: utf-8 -*-
from __future__ import absolute_import
import unittest

from bson import ObjectId
from pillar.tests import AbstractPillarTest
from werkzeug.exceptions import BadRequest


class Str2idTest(AbstractPillarTest):
    def test_happy(self):
        from pillar.api.utils import str2id

        def happy(str_id):
            self.assertEqual(ObjectId(str_id), str2id(str_id))

        happy(24 * 'a')
        happy(12 * 'a')
        happy(u'577e23ad98377323f74c368c')

    def test_unhappy(self):
        from pillar.api.utils import str2id

        def unhappy(str_id):
            self.assertRaises(BadRequest, str2id, str_id)

        unhappy(13 * 'a')
        unhappy(u'577e23ad 8377323f74c368c')
        unhappy(u'김치')  # Kimchi
        unhappy('')
        unhappy(u'')
        unhappy(None)


class DocDiffTest(unittest.TestCase):
    def test_no_diff_simple(self):
        from pillar.api.utils import doc_diff
        diff = doc_diff({'a': 'b', 3: 42},
                        {'a': 'b', 3: 42})

        self.assertEqual([], list(diff))

    def test_no_diff_privates(self):
        from pillar.api.utils import doc_diff
        diff = doc_diff({'a': 'b', 3: 42, '_updated': 5133},
                        {'a': 'b', 3: 42, '_updated': 42})

        self.assertEqual([], list(diff))

    def test_diff_values_simple(self):
        from pillar.api.utils import doc_diff
        diff = doc_diff({'a': 'b', 3: 42},
                        {'a': 'b', 3: 513})

        self.assertEqual([(3, 42, 513)], list(diff))

    def test_diff_values_falsey(self):
        from pillar.api.utils import doc_diff, DoesNotExist

        # DoesNotExist vs. empty string
        diff = doc_diff({'a': 'b', 3: ''},
                        {'a': 'b'})
        self.assertEqual([], list(diff))

        diff = doc_diff({'a': 'b', 3: ''},
                        {'a': 'b'}, falsey_is_equal=False)
        self.assertEqual([(3, '', DoesNotExist)], list(diff))

        # Empty string vs. None
        diff = doc_diff({'a': 'b', 3: ''},
                        {'a': 'b', 3: None})
        self.assertEqual([], list(diff))

        diff = doc_diff({'a': 'b', 3: ''},
                        {'a': 'b', 3: None}, falsey_is_equal=False)
        self.assertEqual([(3, '', None)], list(diff))

    def test_diff_keys_simple(self):
        from pillar.api.utils import doc_diff, DoesNotExist
        diff = doc_diff({'a': 'b', 3: 42},
                        {'a': 'b', 2: 42})

        self.assertEqual({(3, 42, DoesNotExist), (2, DoesNotExist, 42)}, set(diff))

    def test_no_diff_nested(self):
        from pillar.api.utils import doc_diff
        diff = doc_diff({'a': 'b', 'props': {'status': u'todo', 'notes': u'jemoeder'}},
                        {'a': 'b', 'props': {'status': u'todo', 'notes': u'jemoeder'}})

        self.assertEqual([], list(diff))

    def test_diff_values_nested(self):
        from pillar.api.utils import doc_diff
        diff = doc_diff({'a': 'b', 'props': {'status': u'todo', 'notes': u'jemoeder'}},
                        {'a': 'c', 'props': {'status': u'done', 'notes': u'jemoeder'}})

        self.assertEqual({('a', 'b', 'c'), ('props.status', u'todo', u'done')},
                         set(diff))

    def test_diff_keys_nested(self):
        from pillar.api.utils import doc_diff, DoesNotExist
        diff = doc_diff({'a': 'b', 'props': {'status1': u'todo', 'notes': u'jemoeder'}},
                        {'a': 'b', 'props': {'status2': u'todo', 'notes': u'jemoeder'}})

        self.assertEqual({('props.status1', u'todo', DoesNotExist),
                          ('props.status2', DoesNotExist, u'todo')},
                         set(diff))