from uuid import uuid4

import httpx
import respx
from fastapi.testclient import TestClient
from sqlalchemy.orm import Session

from app import activitypub as ap
from app import models
from app.actor import LOCAL_ACTOR
from app.ap_object import RemoteObject
from app.incoming_activities import process_next_incoming_activity
from tests import factories
from tests.utils import mock_httpsig_checker
from tests.utils import run_async
from tests.utils import setup_remote_actor


def test_inbox_requires_httpsig(
    client: TestClient,
):
    response = client.post(
        "/inbox",
        headers={"Content-Type": ap.AS_CTX},
        json={},
    )
    assert response.status_code == 401
    assert response.json()["detail"] == "Invalid HTTP sig"


def test_inbox_follow_request(
    db: Session,
    client: TestClient,
    respx_mock: respx.MockRouter,
) -> None:
    # Given a remote actor
    ra = factories.RemoteActorFactory(
        base_url="https://example.com",
        username="toto",
        public_key="pk",
    )
    respx_mock.get(ra.ap_id).mock(return_value=httpx.Response(200, json=ra.ap_actor))

    # When sending a Follow activity
    follow_activity = RemoteObject(
        factories.build_follow_activity(
            from_remote_actor=ra,
            for_remote_actor=LOCAL_ACTOR,
        ),
        ra,
    )
    with mock_httpsig_checker(ra):
        response = client.post(
            "/inbox",
            headers={"Content-Type": ap.AS_CTX},
            json=follow_activity.ap_object,
        )

    # Then the server returns a 204
    assert response.status_code == 202

    run_async(process_next_incoming_activity)

    # And the actor was saved in DB
    saved_actor = db.query(models.Actor).one()
    assert saved_actor.ap_id == ra.ap_id

    # And the Follow activity was saved in the inbox
    inbox_object = db.query(models.InboxObject).one()
    assert inbox_object.ap_object == follow_activity.ap_object

    # And a follower was internally created
    follower = db.query(models.Follower).one()
    assert follower.ap_actor_id == ra.ap_id
    assert follower.actor_id == saved_actor.id
    assert follower.inbox_object_id == inbox_object.id

    # And an Accept activity was created in the outbox
    outbox_object = db.query(models.OutboxObject).one()
    assert outbox_object.ap_type == "Accept"
    assert outbox_object.activity_object_ap_id == follow_activity.ap_id

    # And an outgoing activity was created to track the Accept activity delivery
    outgoing_activity = db.query(models.OutgoingActivity).one()
    assert outgoing_activity.outbox_object_id == outbox_object.id


def test_inbox_accept_follow_request(
    db: Session,
    client: TestClient,
    respx_mock: respx.MockRouter,
) -> None:
    # Given a remote actor
    ra = setup_remote_actor(respx_mock)
    actor_in_db = factories.ActorFactory.from_remote_actor(ra)

    # And a Follow activity in the outbox
    follow_id = uuid4().hex
    follow_from_outbox = RemoteObject(
        factories.build_follow_activity(
            from_remote_actor=LOCAL_ACTOR,
            for_remote_actor=ra,
            outbox_public_id=follow_id,
        ),
        LOCAL_ACTOR,
    )
    outbox_object = factories.OutboxObjectFactory.from_remote_object(
        follow_id, follow_from_outbox
    )

    # When sending a Accept activity
    accept_activity = RemoteObject(
        factories.build_accept_activity(
            from_remote_actor=ra,
            for_remote_object=follow_from_outbox,
        ),
        ra,
    )
    with mock_httpsig_checker(ra):
        response = client.post(
            "/inbox",
            headers={"Content-Type": ap.AS_CTX},
            json=accept_activity.ap_object,
        )

    # Then the server returns a 204
    assert response.status_code == 202

    run_async(process_next_incoming_activity)

    # And the Accept activity was saved in the inbox
    inbox_activity = db.query(models.InboxObject).one()
    assert inbox_activity.ap_type == "Accept"
    assert inbox_activity.relates_to_outbox_object_id == outbox_object.id
    assert inbox_activity.actor_id == actor_in_db.id

    # And a following entry was created internally
    following = db.query(models.Following).one()
    assert following.ap_actor_id == actor_in_db.ap_id