from __future__ import unicode_literals

from rest_framework import status

from mayan.apps.rest_api.tests import BaseAPITestCase

from ..models import Message
from ..permissions import (
    permission_message_create, permission_message_delete,
    permission_message_edit, permission_message_view
)

from .literals import (
    TEST_MESSAGE_LABEL, TEST_MESSAGE_LABEL_EDITED, TEST_MESSAGE_TEXT,
    TEST_MESSAGE_TEXT_EDITED
)
from .mixins import MOTDTestMixin


class MOTDAPITestCase(MOTDTestMixin, BaseAPITestCase):
    def _request_message_create_view(self):
        return self.post(
            viewname='rest_api:message-list', data={
                'label': TEST_MESSAGE_LABEL,
                'message': TEST_MESSAGE_TEXT
            }
        )

    def test_message_create_view_no_permission(self):
        response = self._request_message_create_view()
        self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
        self.assertEqual(Message.objects.count(), 0)

    def test_message_create_view_with_permission(self):
        self.grant_permission(permission=permission_message_create)
        response = self._request_message_create_view()
        self.assertEqual(response.status_code, status.HTTP_201_CREATED)

        message = Message.objects.first()
        self.assertEqual(response.data['id'], message.pk)
        self.assertEqual(response.data['label'], TEST_MESSAGE_LABEL)
        self.assertEqual(response.data['message'], TEST_MESSAGE_TEXT)

        self.assertEqual(Message.objects.count(), 1)
        self.assertEqual(message.label, TEST_MESSAGE_LABEL)
        self.assertEqual(message.message, TEST_MESSAGE_TEXT)

    def _request_message_delete_view(self):
        return self.delete(
            viewname='rest_api:message-detail',
            kwargs={'message_id': self.test_message.pk},
        )

    def test_message_delete_view_no_access(self):
        self._create_test_message()
        response = self._request_message_delete_view()
        self.assertEqual(response.status_code, status.HTTP_404_NOT_FOUND)
        self.assertEqual(Message.objects.count(), 1)

    def test_message_delete_view_with_access(self):
        self._create_test_message()
        self.grant_access(permission=permission_message_delete, obj=self.test_message)
        response = self._request_message_delete_view()
        self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
        self.assertEqual(Message.objects.count(), 0)

    def _request_message_detail_view(self):
        return self.get(
            viewname='rest_api:message-detail',
            kwargs={'message_id': self.test_message.pk},
        )

    def test_message_detail_view_no_access(self):
        self._create_test_message()
        response = self._request_message_detail_view()
        self.assertEqual(response.status_code, status.HTTP_404_NOT_FOUND)

    def test_message_detail_view_with_access(self):
        self._create_test_message()
        self.grant_access(permission=permission_message_view, obj=self.test_message)
        response = self._request_message_detail_view()
        self.assertEqual(response.status_code, status.HTTP_200_OK)

        self.assertEqual(response.data['label'], TEST_MESSAGE_LABEL)

    def _request_message_edit_via_patch_view(self):
        return self.patch(
            viewname='rest_api:message-detail',
            kwargs={'message_id': self.test_message.pk},
            data={
                'label': TEST_MESSAGE_LABEL_EDITED,
                'message': TEST_MESSAGE_TEXT_EDITED
            }
        )

    def test_message_edit_via_patch_view_no_access(self):
        self._create_test_message()
        response = self._request_message_edit_via_patch_view()
        self.assertEqual(response.status_code, status.HTTP_404_NOT_FOUND)

        self.test_message.refresh_from_db()

        self.assertEqual(self.test_message.label, TEST_MESSAGE_LABEL)
        self.assertEqual(self.test_message.message, TEST_MESSAGE_TEXT)

    def test_message_edit_via_patch_view_with_access(self):
        self._create_test_message()
        self.grant_access(permission=permission_message_edit, obj=self.test_message)
        response = self._request_message_edit_via_patch_view()
        self.assertEqual(response.status_code, status.HTTP_200_OK)

        self.test_message.refresh_from_db()
        self.assertEqual(self.test_message.label, TEST_MESSAGE_LABEL_EDITED)
        self.assertEqual(self.test_message.message, TEST_MESSAGE_TEXT_EDITED)

    def _request_message_edit_via_put_view(self):
        return self.put(
            viewname='rest_api:message-detail',
            kwargs={'message_id': self.test_message.pk},
            data={
                'label': TEST_MESSAGE_LABEL_EDITED,
                'message': TEST_MESSAGE_TEXT_EDITED
            }
        )

    def test_message_edit_via_put_view_no_access(self):
        self._create_test_message()
        response = self._request_message_edit_via_put_view()
        self.assertEqual(response.status_code, status.HTTP_404_NOT_FOUND)

        self.test_message.refresh_from_db()

        self.assertEqual(self.test_message.label, TEST_MESSAGE_LABEL)
        self.assertEqual(self.test_message.message, TEST_MESSAGE_TEXT)

    def test_message_edit_via_put_view_with_access(self):
        self._create_test_message()
        self.grant_access(permission=permission_message_edit, obj=self.test_message)
        response = self._request_message_edit_via_put_view()
        self.assertEqual(response.status_code, status.HTTP_200_OK)

        self.test_message.refresh_from_db()
        self.assertEqual(self.test_message.label, TEST_MESSAGE_LABEL_EDITED)
        self.assertEqual(self.test_message.message, TEST_MESSAGE_TEXT_EDITED)