import os
os.environ["WEBHOOK_SECRET"] = "test-secret"
os.environ["DATABASE_URL"] = "sqlite+aiosqlite://"
os.environ["APP_ENV"] = "test"

import asyncio
from typing import AsyncGenerator
from unittest.mock import AsyncMock, MagicMock

import pytest
import pytest_asyncio
from httpx import ASGITransport, AsyncClient
from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine

from app.config import Settings, get_settings
from app.database import get_db
from app.models.models import Base

get_settings.cache_clear()
from app.main import app  # noqa: E402


@pytest.fixture(scope="session")
def event_loop():
    loop = asyncio.new_event_loop()
    yield loop
    loop.close()


@pytest_asyncio.fixture(scope="session")
async def test_engine():
    engine = create_async_engine("sqlite+aiosqlite://", echo=False)
    async with engine.begin() as conn:
        await conn.run_sync(Base.metadata.create_all)
    yield engine
    await engine.dispose()


@pytest_asyncio.fixture
async def test_session(test_engine) -> AsyncGenerator[AsyncSession, None]:
    TestSession = async_sessionmaker(test_engine, expire_on_commit=False)
    async with TestSession() as session:
        yield session


@pytest_asyncio.fixture
async def client(test_session: AsyncSession) -> AsyncGenerator:
    async def override_get_db() -> AsyncGenerator[AsyncSession, None]:
        yield test_session

    app.dependency_overrides[get_db] = override_get_db

    transport = ASGITransport(app=app)
    async with AsyncClient(transport=transport, base_url="http://test") as ac:
        yield ac

    app.dependency_overrides.clear()


@pytest.fixture
def mock_max_api():
    mock = AsyncMock()
    mock.send_message = AsyncMock(return_value={"ok": True})
    mock.send_message_with_keyboard = AsyncMock(return_value={"ok": True})
    mock.send_file = AsyncMock(return_value={"ok": True})
    mock.get_file_url = AsyncMock(return_value="https://example.com/file")
    mock.send_contact_request = AsyncMock(return_value={"ok": True})
    mock.answer_callback = AsyncMock(return_value={"ok": True})
    mock.get_me = AsyncMock(return_value={"ok": True, "bot": "test"})
    mock.subscribe_webhook = AsyncMock(return_value={"ok": True})
    mock.verify_webhook_secret = MagicMock(return_value=True)
    mock.verify_contact_hash = MagicMock(return_value=True)
    return mock


@pytest.fixture
def bot():
    return None