from typing import AsyncGenerator

import pytest
from httpx import AsyncClient, ASGITransport
from sqlalchemy.orm import sessionmaker

from src.user.models import User
from src.service.models import Service
from src.organisation.models import Organisation as Org
from src.contact.models import Contact
from src.iam.models import Group, Permission
from src.auth.service import get_current_user, get_dev_user

from src.main import app  # inited FastAPI app
from src.database import engine, Base, get_db


SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)


@pytest.fixture()
def db_session():
	Base.metadata.drop_all(bind=engine)
	Base.metadata.create_all(bind=engine)
	db = SessionLocal()
	try:
		_seed(db)  # extracted seeding logic into a plain function
		yield db
	finally:
		db.rollback()
		db.close()


@pytest.fixture
async def client(db_session) -> AsyncGenerator[AsyncClient, None]:
	def get_db_override():
		return db_session
	app.dependency_overrides[get_db] = get_db_override
	app.dependency_overrides[get_current_user] = get_dev_user
	transport = ASGITransport(app=app)
	async with AsyncClient(transport=transport, base_url="http://localhost:8000/api/v1") as ac:
		yield ac

	app.dependency_overrides.clear()


def _seed(db):
	db.add(User(email="admin@test.com", first_name="Admin", last_name="Test", oidc_id="abcd-efgh-ijkl-mnop"))
	db.add(Contact(org_id=1, email="billing@test.org", phonenumber="07521539927"))
	db.add(Contact(org_id=1, email="owner@test.org", phonenumber="07521539927"))
	db.add(Contact(org_id=1, email="security@test.org", phonenumber="07521539927"))
	db.flush()
	db.add(Org(name="Test Org", root_user_id=1, billing_contact_id=1, owner_contact_id=2, security_contact_id=3,
	           status="approved", intake_questionnaire={"question_two": "answer two"}))
	db.add(Service(name="Test Service", api_key="123456789"))
	db.add(Permission(service_id=1, resource="test_resource", action="read"))
	db.add(Group(name="Test Group"))
	db.flush()
	group_model = db.get(Group, 1)
	perm_model = db.get(Permission, 1)
	group_model.permission_rel.append(perm_model)
	user_model = db.get(User, 1)
	org_model = db.get(Org, 1)
	org_model.user_rel.append(user_model)
	org_model.group_rel.append(group_model)
	db.flush()
	group_model.user_rel.append(user_model)
	db.commit()