from unittest.mock import patch, AsyncMock

import pytest
from httpx import AsyncClient, ASGITransport

from main import app


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


@pytest.mark.asyncio
@patch("routes_technical.technical_service.get_technical_indicators", new_callable=AsyncMock)
async def test_stock_technical(mock_tech, client):
    mock_tech.return_value = {
        "symbol": "AAPL",
        "rsi_14": 55.3,
        "macd": {"macd": 1.5, "signal": 1.2, "histogram": 0.3},
        "sma_20": 180.0,
        "sma_50": 175.0,
        "sma_200": 170.0,
        "ema_12": 179.0,
        "ema_26": 176.0,
        "bollinger_bands": {"upper": 190.0, "middle": 180.0, "lower": 170.0},
        "signals": ["RSI 55.3: Neutral", "MACD histogram positive (bullish momentum)"],
    }
    resp = await client.get("/api/v1/stock/AAPL/technical")
    assert resp.status_code == 200
    data = resp.json()["data"]
    assert data["symbol"] == "AAPL"
    assert data["rsi_14"] == 55.3
    assert len(data["signals"]) == 2


@pytest.mark.asyncio
async def test_invalid_symbol_technical(client):
    resp = await client.get("/api/v1/stock/INVALID!!!/technical")
    assert resp.status_code == 400