import json
try:
    import unittest2 as unittest
except ImportError:
    import unittest

import os

from leap.testing.basetest import BaseLeapTest
from leap.base import providers

EXPECTED_DEFAULT_CONFIG = {
    "api_version": "0.1.0",
    "description": "test provider",
    "display_name": "test provider",
    "domain": "testprovider.example.org",
    "enrollment_policy": "open",
    "serial": 1,
    "services": [
        "eip"
    ],
    "version": "0.1.0"
}


class TestLeapProviderDefinition(BaseLeapTest):
    def setUp(self):
        self.definition = providers.LeapProviderDefinition()
        #XXX change to self.definition.config when property is fixed
        self.config = self.definition.get_config()

    def tearDown(self):
        if hasattr(self, 'testfile') and os.path.isfile(self.testfile):
            os.remove(self.testfile)

    # tests

    # XXX most of these tests can be made more abstract
    # and moved to test_baseconfig *triangulate!*

    def test_provider_slug_property(self):
        slug = self.definition.slug
        self.assertEquals(
            slug,
            os.path.join(
                self.home,
                '.config', 'leap', 'providers',
                'testprovider.example.org',
                'provider-definition.json'))
        with self.assertRaises(AttributeError):
            self.definition.slug = 23

    def test_provider_dump(self):
        # check a good provider definition is dumped to disk
        self.testfile = self.get_tempfile('test.json')
        self.definition.save(to=self.testfile)
        deserialized = json.load(open(self.testfile, 'rb'))
        self.assertEqual(deserialized, EXPECTED_DEFAULT_CONFIG)

    def test_provider_dump_to_slug(self):
        # same as above, but we test the ability to save to a
        # file generated from the slug.
        # XXX THIS TEST SHOULD MOVE TO test_baseconfig
        self.definition.save()
        filename = self.definition.filename
        self.assertTrue(os.path.isfile(filename))
        deserialized = json.load(open(filename, 'rb'))
        self.assertEqual(deserialized, EXPECTED_DEFAULT_CONFIG)

    def test_provider_load(self):
        # check loading provider from disk file
        self.testfile = self.get_tempfile('test_load.json')
        with open(self.testfile, 'w') as wf:
            wf.write(json.dumps(EXPECTED_DEFAULT_CONFIG))
        self.definition.load(fromfile=self.testfile)
        self.assertDictEqual(self.config,
                             EXPECTED_DEFAULT_CONFIG)

    @unittest.skip
    def test_load_malformed_json_definition(self):
        raise NotImplementedError

    @unittest.skip
    def test_type_validation(self):
        # check various type validation
        # type cast
        raise NotImplementedError


class TestLeapProvider(BaseLeapTest):
    def setUp(self):
        pass

    def tearDown(self):
        pass

    ###

    # XXX ??


class TestLeapProviderSet(BaseLeapTest):

    def setUp(self):
        self.providers = providers.LeapProviderSet()

    def tearDown(self):
        pass
    ###

    def test_get_zero_count(self):
        self.assertEqual(self.providers.count, 0)

    @unittest.skip
    def test_count_defined_providers(self):
        # check the method used for making
        # the list of providers
        raise NotImplementedError

    @unittest.skip
    def test_get_default_provider(self):
        raise NotImplementedError

    @unittest.skip
    def test_should_be_at_least_one_provider_after_init(self):
        # when we init an empty environment,
        # there should be at least one provider,
        # that will be a dump of the default provider definition
        # somehow a high level test
        raise NotImplementedError

    @unittest.skip
    def test_get_eip_remote_from_default_provider(self):
        # from: default provider
        # expect: remote eip domain
        raise NotImplementedError

if __name__ == "__main__":
    unittest.main()