from unittest.mock import patch
from flask.testing import FlaskClient

from app.test.fixtures import client, app  # noqa
from .service import WhatsitService
from .schema import WhatsitSchema
from .model import Whatsit
from .interface import WhatsitInterface
from .. import BASE_ROUTE


def make_whatsit(id: int = 123, name: str = 'Test whatsit',
                 purpose: str = 'Test purpose') -> Whatsit:
    return Whatsit(
        whatsit_id=id, name=name, purpose=purpose
    )


class TestWhatsitResource:
    @patch.object(WhatsitService, 'get_all',
                  lambda: [make_whatsit(123, name='Test Whatsit 1'),
                           make_whatsit(456, name='Test Whatsit 2')])
    def test_get(self, client: FlaskClient):  # noqa
        with client:
            results = client.get(f'/api/{BASE_ROUTE}/whatsit',
                                 follow_redirects=True).get_json()
            expected = WhatsitSchema(many=True).dump(
                [make_whatsit(123, name='Test Whatsit 1'),
                 make_whatsit(456, name='Test Whatsit 2')]
            ).data
            for r in results:
                assert r in expected

    @patch.object(WhatsitService, 'create',
                  lambda create_request: Whatsit(**create_request))
    def test_post(self, client: FlaskClient):  # noqa
        with client:

            payload = dict(name='Test whatsit', purpose='Test purpose')
            result = client.post(f'/api/{BASE_ROUTE}/whatsit/', json=payload).get_json()
            expected = WhatsitSchema().dump(Whatsit(
                name=payload['name'],
                purpose=payload['purpose'],
            )).data
            assert result == expected


def fake_update(whatsit: Whatsit, changes: WhatsitInterface) -> Whatsit:
    # To fake an update, just return a new object
    updated_Whatsit = Whatsit(whatsit_id=whatsit.whatsit_id,
                              name=changes['name'],
                              purpose=changes['purpose'])
    return updated_Whatsit


class TestWhatsitIdResource:
    @patch.object(WhatsitService, 'get_by_id',
                  lambda id: make_whatsit(id=id))
    def test_get(self, client: FlaskClient):  # noqa
        with client:
            result = client.get(f'/api/{BASE_ROUTE}/whatsit/123').get_json()
            expected = Whatsit(whatsit_id=123)
            assert result['whatsitId'] == expected.whatsit_id

    @patch.object(WhatsitService, 'delete_by_id',
                  lambda id: [id])
    def test_delete(self, client: FlaskClient):  # noqa
        with client:
            result = client.delete(f'/api/{BASE_ROUTE}/whatsit/123').get_json()
            expected = dict(status='Success', id=[123])
            assert result == expected

    @patch.object(WhatsitService, 'get_by_id',
                  lambda id: make_whatsit(id=id))
    @patch.object(WhatsitService, 'update', fake_update)
    def test_put(self, client: FlaskClient):  # noqa
        with client:
            result = client.put(f'/api/{BASE_ROUTE}/whatsit/123',
                                json={'name': 'New Whatsit',
                                      'purpose': 'New purpose'}).get_json()
            expected = WhatsitSchema().dump(
                Whatsit(whatsit_id=123, name='New Whatsit', purpose='New purpose')).data
            assert result == expected