import unittest
import logging
import requests
import json
import urllib.parse

from apidirectory import ApiDirectory

logger = logging.getLogger(__name__)


# This test class test Create, Read, Update, and Delete (CRUD) oeprations.
# The first test has a one because when I run the test they run in alphbetic order
# which may be different in your IDE, or command line.
class IamGroupCRUDTests(unittest.TestCase):

    client_id = "some-guid-goes-here"
    secret = "secret-string-goes-here"
    scope = "iamgroups"
    token_url = "https://apigw-tst.it.umich.edu/um/inst/oauth2/token"
    url_base = "https://apigw-tst.it.umich.edu/um/iamGroups"

    # Test a create operation. Notice that the data structure needs to be converted to json.
    # The url_endpoint is obtain from the API directory
    # The api.build_headers builds the header needed for two factor oauth.
    def test_1_create(self):
        api = ApiDirectory(self.client_id, self.secret, self.scope, self.token_url)
        url_endpoint = 'create'
        url = IamGroupCRUDTests.url_base + '/' + url_endpoint
        data = {'name': 'iamGroupTestJB'}

        response = requests.post(
            url=url,
            data=json.dumps(data),
            headers=api.build_headers(),
            timeout=10
        )

        print('Response: {}'.format(response))
        print('JSON: {}'.format(response.json()))
        self.assertEqual(response.status_code, requests.codes.ok)

    # The Read operation takes a dn on the url.  Because a dn contains spaces, commas and equals it
    # needs to url encode. Note the test at the bottom of the unit test.
    def test_2_read(self):
        api = ApiDirectory(self.client_id, self.secret, self.scope, self.token_url)
        dn = "cn=TestGroupName,ou=user groups,ou=groups,dc=umich,dc=edu"
        encoded = urllib.parse.quote(dn)
        url_endpoint = 'profile/dn'
        url = IamGroupCRUDTests.url_base + '/' + url_endpoint + "/" + encoded

        response = requests.get(
            url=url,
            headers=api.build_headers(),
            timeout=10
        )

        print('Response: {}'.format(response))
        print('JSON: {}'.format(response.json()))
        self.assertEqual(response.status_code, requests.codes.ok)

        # note that the returned json is a dictionary object with a key of group.
        # the value is a list of groups and each group is a dictionary.
        map = response.json()
        list = map['group']
        profile = list[0]
        self.assertEqual(profile['dn'], dn)

    # update. There are many update operations.  I am showing how to modify a moderator.
    def test_3_update(self):
        api = ApiDirectory(self.client_id, self.secret, self.scope, self.token_url)
        url_endpoint = 'update/moderator'
        url = IamGroupCRUDTests.url_base + '/' + url_endpoint
        data = {'dn': 'cn=TestGroupName,ou=user groups,ou=groups,dc=umich,dc=edu',
                'moderator': [{'email': 'bjensen@umich.edu'},
                              {'name': 'Barbara Jensen', 'email': 'bjensen@umich.edu'}]}

        response = requests.post(
            url=url,
            data=json.dumps(data),
            headers=api.build_headers(),
            timeout=10
        )

        print('Response: {}'.format(response))
        print('JSON: {}'.format(response.json()))
        self.assertEqual(response.status_code, requests.codes.ok)

    # delete an existing group.  Again the dn is part of the url so it should be encoded.
    def test_4_delete(self):
        api = ApiDirectory(self.client_id, self.secret, self.scope, self.token_url)
        dn = "cn=TestGroupName,ou=user groups,ou=groups,dc=umich,dc=edu"
        encoded = urllib.parse.quote(dn)
        url_endpoint = 'delete'
        url = IamGroupCRUDTests.url_base + '/' + url_endpoint + "/" + encoded

        response = requests.get(
            url=url,
            headers=api.build_headers(),
            timeout=10
        )

        print('Response: {}'.format(response))
        print('JSON: {}'.format(response.json()))
        self.assertEqual(response.status_code, requests.codes.ok)

    # Note that I used urllib.parse.quote which converts spaces to %20.
    # the urllib.parse.quote_plus converts spaces to a plus sign.  Which fails in this api.
    def test_urlencoding(self):
        expected = "cn%3DTestGroupName%2Cou%3Duser%20groups%2Cou%3Dgroups%2Cdc%3Dumich%2Cdc%3Dedu"
        pre = "cn=TestGroupName,ou=user groups,ou=groups,dc=umich,dc=edu"
        post = urllib.parse.quote(pre)
        print(post)
        self.assertEqual(post, expected)

    # Test check if the group name is avaliable and follows all the rules.
    # Make sure to encode the name because the name can contain spaces and other specail chars.
    def test_isValid(self):
        api = ApiDirectory(self.client_id, self.secret, self.scope, self.token_url)
        name = "TestGroupName"
        encoded = urllib.parse.quote(name)
        url_endpoint = 'isValidName'
        url = IamGroupCRUDTests.url_base + '/' + url_endpoint + "/" + encoded

        response = requests.get(
            url=url,
            headers=api.build_headers(),
            timeout=10
        )

        print('Response: {}'.format(response))
        print('JSON: {}'.format(response.json()))
        self.assertEqual(response.status_code, requests.codes.ok)
        map = response.json()
        self.assertTrue(map['valid'])

    # Test check if the group name is avaliable and follows all the rules. fails
    # Make sure to encode the name because the name can contain spaces and other specail chars.
    def test_isValid_failed(self):
        api = ApiDirectory(self.client_id, self.secret, self.scope, self.token_url)
        name = "bjensen"
        encoded = urllib.parse.quote(name)
        url_endpoint = 'isValidName'
        url = IamGroupCRUDTests.url_base + '/' + url_endpoint + "/" + encoded

        response = requests.get(
            url=url,
            headers=api.build_headers(),
            timeout=10
        )

        print('Response: {}'.format(response))
        print('JSON: {}'.format(response.json()))
        self.assertEqual(response.status_code, requests.codes.ok)
        map = response.json()
        self.assertFalse(map['valid'])