from fastapi.testclient import TestClient
from main import app
from config.database import Base, engine

# Setup and teardown


def setup_module(module):
    Base.metadata.create_all(bind=engine)


def teardown_module(module):
    Base.metadata.drop_all(bind=engine)


client = TestClient(app)


def test_create_and_list_consumption():
    # Create a scenario to attach consumption
    resp = client.post(
        "/api/scenarios/", json={"name": "ConsScenario", "description": "consumption scenario"}
    )
    assert resp.status_code == 200
    scenario = resp.json()
    sid = scenario["id"]

    # Create Consumption item
    cons_payload = {"scenario_id": sid, "amount": 250.0,
                    "description": "Monthly consumption"}
    resp2 = client.post("/api/consumption/", json=cons_payload)
    assert resp2.status_code == 201
    cons = resp2.json()
    assert cons["scenario_id"] == sid
    assert cons["amount"] == 250.0

    # List Consumption items
    resp3 = client.get("/api/consumption/")
    assert resp3.status_code == 200
    data = resp3.json()
    assert any(item["amount"] == 250.0 and item["scenario_id"]
               == sid for item in data)