import pytest
from sqlalchemy import NullPool, insert
from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine

from src.api.dependacies.db_dep import get_db
from src.core.auth_manager import AuthManager
from src.core.database import Base
from src.main import app
from src.models import *  # noqa: F403
from src.repository.tasks import TasksRepo
from src.repository.users import UsersRepo

engine_null_pool = create_async_engine(
    "sqlite+aiosqlite:///tests/test_db.db", poolclass=NullPool
)
test_session_maker = async_sessionmaker(engine_null_pool, expire_on_commit=False)


class TestDBManager:

    async def __aenter__(self) -> "TestDBManager":
        self.session: AsyncSession = test_session_maker()
        self.user = UsersRepo(self.session)
        self.task = TasksRepo(self.session)
        return self

    async def __aexit__(self, exc_type, exc_val, exc_tb):
        await self.session.rollback()
        await self.session.close()


async def get_test_db():
    async with TestDBManager() as db:
        yield db


@pytest.fixture(scope="function")
async def db():
    async for db in get_test_db():
        yield db


app.dependency_overrides[get_db] = get_test_db


@pytest.fixture(scope="session", autouse=True)
async def setup_database():
    hashed_pass = AuthManager.get_password_hash("admin")
    user_admin = {
        "username": "admin",
        "hashed_password": hashed_pass,
        "is_superuser": True,
    }
    async with engine_null_pool.begin() as conn:
        await conn.run_sync(Base.metadata.drop_all)
        await conn.run_sync(Base.metadata.create_all)

    async with test_session_maker() as conn:
        result = await conn.execute(
            insert(UsersORM).values(user_admin).returning(UsersORM))  # noqa: F405
        await conn.commit()
        admin = result.scalar_one()
    assert admin.is_superuser is True