import pytest
from httpx import ASGITransport, AsyncClient

from app.main import app


@pytest.fixture
async def client():
    transport = ASGITransport(app=app)
    async with AsyncClient(transport=transport, base_url="http://test") as ac:
        yield ac


@pytest.mark.asyncio
async def test_root(client):
    resp = await client.get("/")
    assert resp.status_code == 200
    data = resp.json()
    assert data["name"] == "Personal Trading System V1"


@pytest.mark.asyncio
async def test_get_quotes(client):
    resp = await client.get("/api/market/quotes")
    assert resp.status_code == 200
    quotes = resp.json()
    assert len(quotes) > 10
    assert "symbol" in quotes[0]
    assert "name" in quotes[0]
    assert "exchange" in quotes[0]
    assert "category" in quotes[0]
    assert "change_pct" in quotes[0]


@pytest.mark.asyncio
async def test_get_quotes_by_category(client):
    resp = await client.get("/api/market/quotes?category=ferrous")
    assert resp.status_code == 200
    quotes = resp.json()
    assert len(quotes) > 0
    assert all(q["category"] == "ferrous" for q in quotes)


@pytest.mark.asyncio
async def test_get_contracts(client):
    resp = await client.get("/api/market/contracts")
    assert resp.status_code == 200
    contracts = resp.json()
    assert len(contracts) > 50


@pytest.mark.asyncio
async def test_get_contracts_by_category(client):
    resp = await client.get("/api/market/contracts?category=precious_metal")
    assert resp.status_code == 200
    contracts = resp.json()
    assert len(contracts) >= 2
    assert all(c["category"] == "precious_metal" for c in contracts)


@pytest.mark.asyncio
async def test_get_exchanges(client):
    resp = await client.get("/api/market/exchanges")
    assert resp.status_code == 200
    data = resp.json()
    assert "SHFE" in data
    assert "DCE" in data
    assert "CZCE" in data
    assert "CFFEX" in data


@pytest.mark.asyncio
async def test_get_categories(client):
    resp = await client.get("/api/market/categories")
    assert resp.status_code == 200
    data = resp.json()
    assert "financial" in data
    assert "precious_metal" in data
    assert "energy" in data
    assert "agriculture" in data


@pytest.mark.asyncio
async def test_get_klines(client):
    resp = await client.get("/api/market/klines/%E8%9E%BA%E7%BA%B9%E9%92%A2?limit=50")
    assert resp.status_code == 200
    klines = resp.json()
    assert len(klines) <= 50


@pytest.mark.asyncio
async def test_get_account(client):
    resp = await client.get("/api/account")
    assert resp.status_code == 200
    data = resp.json()
    assert "total_balance" in data
    assert data["total_balance"] == 1_000_000.0


@pytest.mark.asyncio
async def test_place_order(client):
    resp = await client.post("/api/orders", json={
        "symbol": "螺纹钢",
        "side": "BUY",
        "order_type": "MARKET",
        "quantity": 1,
    })
    assert resp.status_code == 200
    data = resp.json()
    assert data["status"] == "FILLED"
    assert data["symbol"] == "螺纹钢"


@pytest.mark.asyncio
async def test_get_available_strategies(client):
    resp = await client.get("/api/strategies/available")
    assert resp.status_code == 200
    strategies = resp.json()
    assert len(strategies) >= 3
    types = [s["type"] for s in strategies]
    assert "ma_crossover" in types
    assert "bollinger_bands" in types
    assert "dual_thrust" in types


@pytest.mark.asyncio
async def test_risk_metrics(client):
    resp = await client.get("/api/risk")
    assert resp.status_code == 200
    data = resp.json()
    assert "total_balance" in data
    assert "risk_usage_percent" in data


@pytest.mark.asyncio
async def test_market_mode(client):
    resp = await client.get("/api/market/mode")
    assert resp.status_code == 200
    assert resp.json()["mode"] in ("simulated", "realtime")


@pytest.mark.asyncio
async def test_get_trades(client):
    resp = await client.get("/api/trades")
    assert resp.status_code == 200