import pytest


@pytest.mark.anyio
async def test_list_backends_returns_default_local_backend(api_client) -> None:
    response = await api_client.get("/api/backends")

    assert response.status_code == 200
    payload = response.json()
    assert len(payload["items"]) >= 1
    assert payload["items"][0]["name"] == "local-default"
    assert payload["items"][0]["type"] == "local"


@pytest.mark.anyio
async def test_create_local_backend(api_client, runtime_paths) -> None:
    response = await api_client.post(
        "/api/backends",
        json={
            "name": "archive-local",
            "type": "local",
            "stability_class": "stable",
            "read_priority": 50,
            "write_priority": 50,
            "config": {
                "base_path": runtime_paths["local_storage_dir"] + "/archive",
            },
        },
    )

    assert response.status_code == 200
    payload = response.json()["backend"]
    assert payload["name"] == "archive-local"
    assert payload["type"] == "local"


@pytest.mark.anyio
async def test_create_s3_backend_metadata(api_client) -> None:
    response = await api_client.post(
        "/api/backends",
        json={
            "name": "s3-main",
            "type": "s3",
            "stability_class": "stable",
            "read_priority": 80,
            "write_priority": 80,
            "config": {
                "bucket": "iron-test",
                "region": "us-east-1",
            },
        },
    )

    assert response.status_code == 200
    payload = response.json()["backend"]
    assert payload["name"] == "s3-main"
    assert payload["type"] == "s3"


@pytest.mark.anyio
async def test_check_local_backend(api_client) -> None:
    list_response = await api_client.get("/api/backends")
    backend_id = list_response.json()["items"][0]["id"]

    response = await api_client.post(f"/api/backends/{backend_id}/check")

    assert response.status_code == 200
    assert response.json()["status"] == "healthy"


@pytest.mark.anyio
async def test_check_s3_backend_returns_healthy(api_client, fake_s3) -> None:
    create_response = await api_client.post(
        "/api/backends",
        json={
            "name": "s3-main",
            "type": "s3",
            "stability_class": "stable",
            "read_priority": 80,
            "write_priority": 80,
            "config": {
                "bucket": "iron-test",
            },
        },
    )
    backend_id = create_response.json()["backend"]["id"]

    response = await api_client.post(f"/api/backends/{backend_id}/check")

    assert response.status_code == 200
    assert response.json()["status"] == "healthy"


@pytest.mark.anyio
async def test_disable_backend(api_client) -> None:
    create_response = await api_client.post(
        "/api/backends",
        json={
            "name": "archive-local",
            "type": "local",
            "stability_class": "stable",
            "read_priority": 50,
            "write_priority": 50,
            "config": {
                "base_path": "/tmp/archive-local",
            },
        },
    )
    backend_id = create_response.json()["backend"]["id"]

    response = await api_client.post(f"/api/backends/{backend_id}/disable")

    assert response.status_code == 200
    assert response.json()["backend"]["is_enabled"] is False


@pytest.mark.anyio
async def test_create_backend_rejects_invalid_config(api_client) -> None:
    response = await api_client.post(
        "/api/backends",
        json={
            "name": "bad-s3",
            "type": "s3",
            "stability_class": "stable",
            "read_priority": 10,
            "write_priority": 10,
            "config": {},
        },
    )

    assert response.status_code == 400
    assert response.json()["error"]["code"] == "backend_config_invalid"