import os
import sys
from datetime import datetime
from unittest.mock import AsyncMock, patch

sys.path.insert(0, os.path.join(os.path.dirname(__file__), ".."))

import pytest
from fastapi.testclient import TestClient

import main

main.API_KEY_ADMIN = "test-secret"
HEADERS = {"X-Admin-Key": "test-secret"}


@pytest.fixture()
def client():
    with TestClient(main.app) as c:
        yield c


def test_weather_returns_503_when_no_data(client):
    with patch.object(main, "pg_pool", "not-none"), patch.object(
        main, "get_latest_weather", new=AsyncMock(return_value=None)
    ):
        response = client.get("/api/v1/weather", headers=HEADERS)
    assert response.status_code == 503


def test_weather_returns_latest_row(client):
    row = {
        "location": "Crailsheim",
        "temperature_c": 18.4,
        "condition_text": "Bewoelkt",
        "fetched_at": datetime(2026, 9, 12, 16, 0, 3, 123456),
    }
    with patch.object(main, "pg_pool", "not-none"), patch.object(
        main, "get_latest_weather", new=AsyncMock(return_value=row)
    ):
        response = client.get("/api/v1/weather", headers=HEADERS)
    assert response.status_code == 200
    assert response.json()["location"] == "Crailsheim"


def test_weather_requires_admin_key(client):
    response = client.get("/api/v1/weather")
    assert response.status_code == 401