"""Containers op de host: wat is beheerd en wat niet.

Het dashboard telt alles wat de Docker-daemon kent, terwijl de stacklijst alleen
toont wat in LIBRARY_DIR staat. Containers die daarbuiten vallen waren zichtbaar
in de cijfers maar nergens terug te vinden.
"""
import pytest

from conftest import login

PS_UITVOER = "\n".join([
    "abc123\tvaultwarden\tvaultwarden/server:latest\trunning\tUp 2 hours\t0.0.0.0:8222->80/tcp\tvaultwarden\t/opt/serverup/stacks/vaultwarden",
    "def456\tforgejo\tcodeberg.org/forgejo/forgejo:1.21\trunning\tUp 3 days\t0.0.0.0:3000->3000/tcp\tforgejo\t/opt/docker/forgejo",
    "ghi789\tact_runner\tgitea/act_runner:latest\trunning\tUp 3 days\t\t\t",
    "jkl012\tserver-up\tserver-up:0.5.46-beta\trunning\tUp 5 minutes\t127.0.0.1:5000->5000/tcp\tserver-up\t/opt/docker/server-up",
    "mno345\toud-testje\tnginx:latest\texited\tExited (0) 4 days ago\t\t\t",
])


@pytest.fixture
def host(env, monkeypatch):
    from core import docker
    monkeypatch.setattr(docker, "_run", lambda *a, **k: type(
        "R", (), {"returncode": 0, "stdout": PS_UITVOER, "stderr": ""})())
    return docker


def test_list_containers_leest_alle_velden(host):
    c = host.list_containers()
    assert len(c) == 5
    vw = next(x for x in c if x["name"] == "vaultwarden")
    assert vw["image"] == "vaultwarden/server:latest"
    assert vw["running"] is True
    assert vw["project"] == "vaultwarden"
    assert vw["working_dir"] == "/opt/serverup/stacks/vaultwarden"


def test_list_containers_zonder_labels(host):
    """Een container zonder compose-labels heeft lege project-/werkmapvelden."""
    c = next(x for x in host.list_containers() if x["name"] == "act_runner")
    assert c["project"] == "" and c["working_dir"] == ""
    assert c["running"] is True


def test_gestopte_container_wordt_herkend(host):
    c = next(x for x in host.list_containers() if x["name"] == "oud-testje")
    assert c["running"] is False


def test_endpoint_scheidt_beheerd_van_de_rest(client, env, monkeypatch):
    from core import docker
    login(client)
    # Eén stack in de library: vaultwarden.
    stack = env["lib"] / "vaultwarden"
    stack.mkdir(parents=True)
    (stack / "docker-compose.yml").write_text("services:\n  app:\n    image: nginx\n")
    monkeypatch.setattr(docker, "_run", lambda *a, **k: type(
        "R", (), {"returncode": 0,
                  "stdout": PS_UITVOER.replace("/opt/serverup/stacks/vaultwarden",
                                               str(stack)),
                  "stderr": ""})())

    d = client.get("/api/containers").get_json()
    beheerd = [c["name"] for c in d["containers"] if c["managed"]]
    overig = [c["name"] for c in d["containers"] if not c["managed"]]
    assert beheerd == ["vaultwarden"]
    assert set(overig) == {"forgejo", "act_runner", "server-up", "oud-testje"}
    assert d["managed"] == 1
    assert d["total"] == 5
    assert d["running"] == 4


def test_eigen_container_wordt_gemarkeerd(client, env, monkeypatch):
    from core import docker
    import app as app_module
    login(client)
    monkeypatch.setattr(app_module, "CONTAINER_NAME", "server-up")
    monkeypatch.setattr(docker, "_run", lambda *a, **k: type(
        "R", (), {"returncode": 0, "stdout": PS_UITVOER, "stderr": ""})())
    d = client.get("/api/containers").get_json()
    assert next(c for c in d["containers"] if c["name"] == "server-up")["self"] is True


def test_eigen_container_kan_niet_gestopt_worden(client, monkeypatch):
    """Zichzelf stoppen midden in een verzoek levert een halve actie op; daar
    is de aparte herstartknop voor."""
    import app as app_module
    csrf = login(client)
    monkeypatch.setattr(app_module, "CONTAINER_NAME", "server-up")
    r = client.post("/api/containers/server-up/stop", headers={"X-CSRF-Token": csrf})
    assert r.status_code == 400
    assert "herstarten" in r.get_json()["msg"]


def test_onbekende_container(client, host):
    csrf = login(client)
    r = client.post("/api/containers/bestaatniet/stop", headers={"X-CSRF-Token": csrf})
    assert r.status_code == 404


def test_onbekende_actie(client, host):
    csrf = login(client)
    r = client.post("/api/containers/forgejo/verwijder", headers={"X-CSRF-Token": csrf})
    assert r.status_code == 400


def test_viewer_mag_geen_containers_bedienen(client, host):
    csrf = login(client)
    client.post("/api/auth/users",
                json={"username": "kijker", "password": "eenlangwachtwoord",
                      "role": "viewer"},
                headers={"X-CSRF-Token": csrf})
    r = client.post("/api/auth/login",
                    json={"username": "kijker", "password": "eenlangwachtwoord"})
    kijker_csrf = r.get_json()["csrf_token"]
    assert client.get("/api/containers").status_code == 200
    assert client.post("/api/containers/forgejo/stop",
                       headers={"X-CSRF-Token": kijker_csrf}).status_code == 403


# ── Een map zonder compose-bestand ───────────────────────────────────────────
# Die werd stilzwijgend overgeslagen: niet in de lijst, en de containers die
# erbij hoorden belandden onder "handmatig gestart". Je zag een leeg scherm en
# nergens stond waarom.

def test_map_zonder_compose_verdwijnt_niet_uit_de_lijst(client, env):
    from conftest import login
    login(client)
    (env["lib"] / "kapotte-app").mkdir(parents=True, exist_ok=True)

    d = client.get("/api/stacks").get_json()
    namen = [s["name"] for s in d]
    assert "kapotte-app" in namen, f"de map is niet zichtbaar: {namen}"
    s = next(s for s in d if s["name"] == "kapotte-app")
    assert s["has_compose"] is False, "hij doet alsof er compose is"
    assert s["containers"] == []
    assert s["running"] is False


def test_een_gewone_app_blijft_gewoon_staan(client, env, monkeypatch):
    from conftest import login
    from core import docker
    monkeypatch.setattr(docker, "compose_ps", lambda *a, **k: [])
    login(client)
    d = env["lib"] / "echte-app"
    d.mkdir(parents=True, exist_ok=True)
    (d / "docker-compose.yml").write_text("services:\n  web:\n    image: nginx\n")

    uit = client.get("/api/stacks").get_json()
    s = next(s for s in uit if s["name"] == "echte-app")
    assert s["has_compose"] is True