"""Конфигурация тестов."""

import asyncio
from typing import AsyncGenerator

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

from app.core.database import Base


# Создаём тестовую БД в памяти (SQLite)
TEST_DATABASE_URL = "sqlite+aiosqlite:///:memory:"

engine = create_async_engine(TEST_DATABASE_URL, echo=False)
async_session_factory = async_sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)


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


@pytest_asyncio.fixture(autouse=True)
async def setup_db():
    """Создаём таблицы перед каждым тестом и удаляем после."""
    async with engine.begin() as conn:
        await conn.run_sync(Base.metadata.create_all)
    yield
    async with engine.begin() as conn:
        await conn.run_sync(Base.metadata.drop_all)


@pytest_asyncio.fixture
async def db_session() -> AsyncGenerator[AsyncSession, None]:
    """Тестовая сессия БД."""
    async with async_session_factory() as session:
        yield session


@pytest_asyncio.fixture
async def client(db_session) -> AsyncGenerator[AsyncClient, None]:
    """HTTP клиент для тестирования API."""
    from app.main import app

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


@pytest_asyncio.fixture
async def test_user(db_session):
    """Создаём тестового пользователя."""
    from app.models.user import User

    user = User(email="test@example.com", password_hash="$2b$12$LJ3m4ys6LJ3m4ys6LJ3m4e", role="freelancer")
    db_session.add(user)
    await db_session.commit()
    return user


@pytest_asyncio.fixture
async def test_project(db_session, test_user):
    """Создаём тестовый проект."""
    from app.models.project import Project

    project = Project(
        client_id=test_user.id,
        title="Тестовый проект",
        description="Описание проекта для тестирования",
        category="web-development",
        required_skills=["python", "fastapi"],
        budget_min=1000.0,
        budget_max=5000.0,
    )
    db_session.add(project)
    await db_session.commit()
    return project