from fastapi.testclient import TestClient

from config import get_settings
from main import app

client = TestClient(app)

def test_cors_headers():
    """Tests that CORS is set."""
    response = client.options(
        "/",
        headers={
            "Origin": "http://localhost:5173",
            "Access-Control-Request-Method": "GET"
        }
    )
    assert "access-control-allow-origin" in response.headers

def test_settings_injection():
    """Tests that the settings are available."""
    settings = get_settings()
    assert settings is not None
    assert hasattr(settings, "cors_origins")

def test_bread_proportions():
    """Tests the /calculate endpoint."""
    response = client.post(
        "/calculate",
        json = {
            "flour": 500,
            "hydration": 63,
            "sourdough_hydration": 100,
            "salt_percent": 1.6
        }
    )
    assert response.status_code == 200
    data = response.json()
    assert "flour" in data
    assert "water" in data
    assert "sourdough" in data
    assert "salt" in data

def test_bread_proportions_values():
    """Tests the calculated values."""
    response = client.post(
        "/calculate",
        json={
            "flour": 1000,
            "hydration": 62,
            "sourdough_hydration": 50,
            "sourdough_percent": 20
        }
    )
    data = response.json()
    assert data["flour"] == 900.0
    assert data["water"] == 520.0
    assert data["sourdough"] == 200.0
    assert data["salt"] == 16.0