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

from app.test.fixtures import client, app  # noqa
from .service import WidgetService
from .schema import WidgetSchema
from .model import Widget
from .interface import WidgetInterface
from . import BASE_ROUTE


def make_widget(
    id: int = 123, name: str = "Test widget", purpose: str = "Test purpose"
) -> Widget:
    return Widget(widget_id=id, name=name, purpose=purpose)


class TestWidgetResource:
    @patch.object(
        WidgetService,
        "get_all",
        lambda: [
            make_widget(123, name="Test Widget 1"),
            make_widget(456, name="Test Widget 2"),
        ],
    )
    def test_get(self, client: FlaskClient):  # noqa
        with client:
            results = client.get(f"/api/{BASE_ROUTE}", follow_redirects=True).get_json()
            expected = (
                WidgetSchema(many=True)
                .dump(
                    [
                        make_widget(123, name="Test Widget 1"),
                        make_widget(456, name="Test Widget 2"),
                    ]
                )
            )
            for r in results:
                assert r in expected

    @patch.object(
        WidgetService, "create", lambda create_request: Widget(**create_request)
    )
    def test_post(self, client: FlaskClient):  # noqa
        with client:

            payload = dict(name="Test widget", purpose="Test purpose")
            result = client.post(f"/api/{BASE_ROUTE}/", json=payload).get_json()
            expected = (
                WidgetSchema()
                .dump(Widget(name=payload["name"], purpose=payload["purpose"]))
            )
            assert result == expected


def fake_update(widget: Widget, changes: WidgetInterface) -> Widget:
    # To fake an update, just return a new object
    updated_Widget = Widget(
        widget_id=widget.widget_id, name=changes["name"], purpose=changes["purpose"]
    )
    return updated_Widget


class TestWidgetIdResource:
    @patch.object(WidgetService, "get_by_id", lambda id: make_widget(id=id))
    def test_get(self, client: FlaskClient):  # noqa
        with client:
            result = client.get(f"/api/{BASE_ROUTE}/123").get_json()
            expected = make_widget(id=123)
            print(f"result = ", result)
            assert result["widgetId"] == expected.widget_id

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

    @patch.object(WidgetService, "get_by_id", lambda id: make_widget(id=id))
    @patch.object(WidgetService, "update", fake_update)
    def test_put(self, client: FlaskClient):  # noqa
        with client:
            result = client.put(
                f"/api/{BASE_ROUTE}/123",
                json={"name": "New Widget", "purpose": "New purpose"},
            ).get_json()
            expected = (
                WidgetSchema()
                .dump(Widget(widget_id=123, name="New Widget", purpose="New purpose"))
            )
            assert result == expected
