"""Tests for the health check router."""

import pytest
from httpx import AsyncClient

from app.models.server import ServerStatus


@pytest.mark.asyncio
async def test_health_check_returns_200_when_online(client: AsyncClient) -> None:
    """``GET /api/health`` must return HTTP 200 when fail2ban is online."""
    client._transport.app.state.server_status = ServerStatus(online=True)
    response = await client.get("/api/v1/health")
    assert response.status_code == 200


@pytest.mark.asyncio
async def test_health_check_returns_503_when_offline(client: AsyncClient) -> None:
    """``GET /api/health`` must return HTTP 503 when fail2ban is offline."""
    client._transport.app.state.server_status = ServerStatus(online=False)
    response = await client.get("/api/v1/health")
    assert response.status_code == 503


@pytest.mark.asyncio
async def test_health_check_returns_ok_status_when_online(client: AsyncClient) -> None:
    """``GET /api/health`` must contain ``status: ok`` when fail2ban is online."""
    client._transport.app.state.server_status = ServerStatus(online=True)
    response = await client.get("/api/v1/health")
    data: dict[str, str] = response.json()
    assert data["status"] == "ok"
    assert data["fail2ban"] == "online"


@pytest.mark.asyncio
async def test_health_check_returns_unavailable_when_offline(client: AsyncClient) -> None:
    """``GET /api/health`` must contain ``status: unavailable`` when fail2ban is offline."""
    client._transport.app.state.server_status = ServerStatus(online=False)
    response = await client.get("/api/v1/health")
    data: dict[str, str] = response.json()
    assert data["status"] == "unavailable"
    assert data["fail2ban"] == "offline"


@pytest.mark.asyncio
async def test_health_check_content_type_is_json(client: AsyncClient) -> None:
    """``GET /api/health`` must set the ``Content-Type`` header to JSON."""
    response = await client.get("/api/v1/health")
    assert "application/json" in response.headers.get("content-type", "")