"""Runtime black-box integration tests executed over the container network."""

from __future__ import annotations

import json
import os
import urllib.error
import urllib.request

import pytest

BACKEND_BASE_URL = os.getenv("INTEGRATION_BACKEND_URL", "http://backend:8000").rstrip(
    "/"
)
pytestmark = pytest.mark.integration


def _fetch(path: str) -> tuple[int, str]:
    """Fetch an endpoint and return status code and body text."""
    url = f"{BACKEND_BASE_URL}{path}"
    request = urllib.request.Request(url=url, method="GET")
    try:
        with urllib.request.urlopen(request, timeout=5) as response:
            body = response.read().decode("utf-8", errors="replace")
            return response.status, body
    except urllib.error.HTTPError as exc:
        body = exc.read().decode("utf-8", errors="replace")
        return exc.code, body


def test_root_endpoint_runtime() -> None:
    """Runtime root endpoint should return backend API message."""
    status, body = _fetch("/")
    assert status == 200
    payload = json.loads(body)
    assert payload == {"message": "Plex Playlist Backend API"}


def test_health_endpoint_runtime() -> None:
    """Runtime health endpoint should report healthy database connectivity."""
    status, body = _fetch("/health")
    assert status == 200
    payload = json.loads(body)
    assert payload.get("status") == "healthy"
    assert payload.get("database") == "connected"


def test_compatibility_endpoint_runtime() -> None:
    """Runtime compatibility endpoint should report policy check success."""
    status, body = _fetch("/compatibility")
    assert status == 200
    payload = json.loads(body)
    assert payload.get("ok") is True