import pytest
from httpx import AsyncClient, ASGITransport
from app.main import app


@pytest.mark.asyncio
async def test_health_check():
    transport = ASGITransport(app=app)
    async with AsyncClient(transport=transport, base_url="http://test") as client:
        resp = await client.get("/health")
        assert resp.status_code == 200
        assert resp.json() == {"status": "ok"}


@pytest.mark.asyncio
async def test_recommend_empty_tags():
    """空标签应返回空列表"""
    transport = ASGITransport(app=app)
    async with AsyncClient(transport=transport, base_url="http://test") as client:
        resp = await client.post("/api/v1/recommend", json={
            "user_id": 1,
            "tags": [],
            "query": "推荐一些适合孩子的活动",
            "limit": 3,
        })
        assert resp.status_code == 200
        data = resp.json()
        assert "items" in data


@pytest.mark.asyncio
async def test_recommend_with_tags():
    """带标签应返回推荐结果"""
    transport = ASGITransport(app=app)
    async with AsyncClient(transport=transport, base_url="http://test") as client:
        resp = await client.post("/api/v1/recommend", json={
            "user_id": 1,
            "tags": ["益生菌", "肠胃"],
            "limit": 3,
        })
        assert resp.status_code == 200
        data = resp.json()
        assert "items" in data
        assert "source" in data