import json
import pytest

from mock import Mock

from buildtrigger.test.gitlabmock import get_gitlab_trigger
from buildtrigger.triggerutil import (SkipRequestException, ValidationRequestException,
                                      InvalidPayloadException, TriggerStartException)
from endpoints.building import PreparedBuild
from util.morecollections import AttrDict

@pytest.fixture()
def gitlab_trigger():
  with get_gitlab_trigger() as t:
    yield t


def test_list_build_subdirs(gitlab_trigger):
  assert gitlab_trigger.list_build_subdirs() == ['Dockerfile']


@pytest.mark.parametrize('dockerfile_path, contents', [
  ('/Dockerfile', 'hello world'),
  ('somesubdir/Dockerfile', 'hi universe'),
  ('unknownpath', None),
])
def test_load_dockerfile_contents(dockerfile_path, contents):
  with get_gitlab_trigger(dockerfile_path=dockerfile_path) as trigger:
    assert trigger.load_dockerfile_contents() == contents


@pytest.mark.parametrize('email, expected_response', [
  ('unknown@email.com', None),
  ('knownuser', {'username': 'knownuser', 'html_url': 'https://bitbucket.org/knownuser',
                 'avatar_url': 'avatarurl'}),
])
def test_lookup_user(email, expected_response, gitlab_trigger):
  assert gitlab_trigger.lookup_user(email) == expected_response


def test_null_permissions():
  with get_gitlab_trigger(add_permissions=False) as trigger:
    sources = trigger.list_build_sources_for_namespace('someorg')
    source = sources[0]
    assert source['has_admin_permissions']


def test_list_build_sources():
  with get_gitlab_trigger() as trigger:
    sources = trigger.list_build_sources_for_namespace('someorg')
    assert sources == [
      {
        'last_updated': 1380548762,
        'name': u'someproject',
        'url': u'http://example.com/someorg/someproject',
        'private': True,
        'full_name': u'someorg/someproject',
        'has_admin_permissions': False,
        'description': ''
      },
      {
        'last_updated': 1380548762,
        'name': u'anotherproject',
        'url': u'http://example.com/someorg/anotherproject',
        'private': False,
        'full_name': u'someorg/anotherproject',
        'has_admin_permissions': True,
        'description': '',
      }]


def test_null_avatar():
  with get_gitlab_trigger(missing_avatar_url=True) as trigger:
    namespace_data = trigger.list_build_source_namespaces()
    expected = {
      'avatar_url': None,
      'personal': False,
      'title': u'someorg',
      'url': u'http://gitlab.com/groups/someorg',
      'score': 1,
      'id': '2',
    }

    assert namespace_data == [expected]


@pytest.mark.parametrize('payload, expected_error, expected_message', [
  ('{}', InvalidPayloadException, ''),

  # Valid payload:
  ('''{
    "object_kind": "push",
    "ref": "refs/heads/master",
    "checkout_sha": "aaaaaaa",
    "repository": {
      "git_ssh_url": "foobar"
    },
    "commits": [
      {
        "id": "aaaaaaa",
        "url": "someurl",
        "message": "hello there!",
        "timestamp": "now"
      }
    ]
  }''', None, None),

  # Skip message:
  ('''{
    "object_kind": "push",
    "ref": "refs/heads/master",
    "checkout_sha": "aaaaaaa",
    "repository": {
      "git_ssh_url": "foobar"
    },
    "commits": [
      {
        "id": "aaaaaaa",
        "url": "someurl",
        "message": "[skip build] hello there!",
        "timestamp": "now"
      }
    ]
  }''', SkipRequestException, ''),
])
def test_handle_trigger_request(gitlab_trigger, payload, expected_error, expected_message):
  def get_payload():
    return json.loads(payload)

  request = AttrDict(dict(get_json=get_payload))

  if expected_error is not None:
    with pytest.raises(expected_error) as ipe:
      gitlab_trigger.handle_trigger_request(request)
    assert str(ipe.value) == expected_message
  else:
    assert isinstance(gitlab_trigger.handle_trigger_request(request), PreparedBuild)


@pytest.mark.parametrize('run_parameters, expected_error, expected_message', [
  # No branch or tag specified: use the commit of the default branch.
  ({}, None, None),

  # Invalid branch.
  ({'refs': {'kind': 'branch', 'name': 'invalid'}}, TriggerStartException,
   'Could not find branch in repository'),

  # Invalid tag.
  ({'refs': {'kind': 'tag', 'name': 'invalid'}}, TriggerStartException,
   'Could not find tag in repository'),

  # Valid branch.
  ({'refs': {'kind': 'branch', 'name': 'master'}}, None, None),

  # Valid tag.
  ({'refs': {'kind': 'tag', 'name': 'sometag'}}, None, None),
])
def test_manual_start(run_parameters, expected_error, expected_message, gitlab_trigger):
  if expected_error is not None:
    with pytest.raises(expected_error) as ipe:
      gitlab_trigger.manual_start(run_parameters)
    assert str(ipe.value) == expected_message
  else:
    assert isinstance(gitlab_trigger.manual_start(run_parameters), PreparedBuild)


def test_activate_and_deactivate(gitlab_trigger):
  _, private_key = gitlab_trigger.activate('http://some/url')
  assert 'private_key' in private_key

  gitlab_trigger.deactivate()


@pytest.mark.parametrize('name, expected', [
  ('refs', [
    {'kind': 'branch', 'name': 'master'},
    {'kind': 'branch', 'name': 'otherbranch'},
    {'kind': 'tag', 'name': 'sometag'},
    {'kind': 'tag', 'name': 'someothertag'},
  ]),
  ('tag_name', set(['sometag', 'someothertag'])),
  ('branch_name', set(['master', 'otherbranch'])),
  ('invalid', None)
])
def test_list_field_values(name, expected, gitlab_trigger):
  if expected is None:
    assert gitlab_trigger.list_field_values(name) is None
  elif isinstance(expected, set):
    assert set(gitlab_trigger.list_field_values(name)) == set(expected)
  else:
    assert gitlab_trigger.list_field_values(name) == expected


@pytest.mark.parametrize('namespace, expected', [
  ('', []),
  ('unknown', []),

  ('knownuser', [
    {
      'last_updated': 1380548762,
      'name': u'anotherproject',
      'url': u'http://example.com/knownuser/anotherproject',
      'private': False,
      'full_name': u'knownuser/anotherproject',
      'has_admin_permissions': True,
      'description': ''
    },
  ]),

  ('someorg', [
    {
      'last_updated': 1380548762,
      'name': u'someproject',
      'url': u'http://example.com/someorg/someproject',
      'private': True,
      'full_name': u'someorg/someproject',
      'has_admin_permissions': False,
      'description': ''
    },
    {
      'last_updated': 1380548762,
      'name': u'anotherproject',
      'url': u'http://example.com/someorg/anotherproject',
      'private': False,
      'full_name': u'someorg/anotherproject',
      'has_admin_permissions': True,
      'description': '',
    }]),
])
def test_list_build_sources_for_namespace(namespace, expected, gitlab_trigger):
  assert gitlab_trigger.list_build_sources_for_namespace(namespace) == expected