import uuid

from fastapi import FastAPI
from fastapi.testclient import TestClient

from app.api import router


def make_client() -> TestClient:
    app = FastAPI()
    app.include_router(router)
    return TestClient(app)


def test_get_payment_requires_api_key() -> None:
    with make_client() as client:
        response = client.get(f"/api/v1/payments/{uuid.uuid4()}")

    assert response.status_code == 401
    assert response.json() == {"detail": "Invalid or missing API key"}


def test_create_payment_requires_idempotency_key() -> None:
    with make_client() as client:
        response = client.post(
            "/api/v1/payments",
            headers={"X-API-Key": "change-me"},
            json={
                "amount": "100.00",
                "currency": "RUB",
                "description": "Test payment",
                "metadata": {},
                "webhook_url": "https://example.com/webhook",
            },
        )

    assert response.status_code == 422
    assert response.json()["detail"][0]["loc"] == ["header", "Idempotency-Key"]


def test_create_payment_rejects_unsupported_currency() -> None:
    with make_client() as client:
        response = client.post(
            "/api/v1/payments",
            headers={
                "X-API-Key": "change-me",
                "Idempotency-Key": "test-key",
            },
            json={
                "amount": "100.00",
                "currency": "GBP",
                "description": "Test payment",
                "metadata": {},
                "webhook_url": "https://example.com/webhook",
            },
        )

    assert response.status_code == 422