from uuid import uuid4

import pytest

from models.currency import Currency


@pytest.fixture
def seeded_currency(db_session):
    currency = Currency(code="GBP", name="British Pound", symbol="GBP")
    db_session.add(currency)
    db_session.commit()
    db_session.refresh(currency)

    try:
        yield currency
    finally:
        db_session.delete(currency)
        db_session.commit()


def _create_scenario(api_client):
    payload = {
        "name": f"CurrencyScenario-{uuid4()}",
        "description": "Currency workflow scenario",
    }
    resp = api_client.post("/api/scenarios/", json=payload)
    assert resp.status_code == 200
    return resp.json()["id"]


def test_create_capex_with_currency_code_and_list(api_client, seeded_currency):
    sid = _create_scenario(api_client)

    payload = {
        "scenario_id": sid,
        "amount": 500.0,
        "description": "Capex with GBP",
        "currency_code": seeded_currency.code,
    }
    resp = api_client.post("/api/costs/capex", json=payload)
    assert resp.status_code == 200
    data = resp.json()
    assert data.get("currency_code") == seeded_currency.code or data.get(
        "currency", {}
    ).get("code") == seeded_currency.code


def test_create_opex_with_currency_id(api_client, seeded_currency):
    sid = _create_scenario(api_client)

    resp = api_client.get("/api/currencies/")
    assert resp.status_code == 200
    currencies = resp.json()
    assert any(c["id"] == seeded_currency.id for c in currencies)

    payload = {
        "scenario_id": sid,
        "amount": 120.0,
        "description": "Opex with explicit id",
        "currency_id": seeded_currency.id,
    }
    resp = api_client.post("/api/costs/opex", json=payload)
    assert resp.status_code == 200
    data = resp.json()
    assert data["currency_id"] == seeded_currency.id


def test_list_currencies_endpoint(api_client, seeded_currency):
    resp = api_client.get("/api/currencies/")
    assert resp.status_code == 200
    data = resp.json()
    assert isinstance(data, list)
    assert any(c["id"] == seeded_currency.id for c in data)