from conftest import login_static


def test_default_when_no_override(app_client):
    login_static(app_client)
    data = app_client.get("/api/config").get_json()
    # example default_limit is 200
    assert data["prefs"]["default_limit"] == 200


def test_override_persists(app_client):
    csrf = login_static(app_client)
    app_client.put("/api/prefs", json={"default_limit": 42}, headers={"X-CSRF-Token": csrf})
    data = app_client.get("/api/config").get_json()
    assert data["prefs"]["default_limit"] == 42


def test_invalid_override_rejected(app_client):
    csrf = login_static(app_client)
    r = app_client.put("/api/prefs", json={"default_limit": 99999}, headers={"X-CSRF-Token": csrf})
    assert r.status_code == 400


def test_deleted_pinned_folder_falls_back(app_client):
    csrf = login_static(app_client)
    # Pin a folder that exists, then remove it from config; effective value must fall back.
    app_client.put("/api/prefs", json={"default_folder": "Deleted"}, headers={"X-CSRF-Token": csrf})
    store = app_client._store
    store.apply({"quarantine": {"folders": ["Quarantine", "Attachment Defense", "Debugging - Josef"],
                                "deleted_folder": "Quarantine"}}, actor="t")
    data = app_client.get("/api/config").get_json()
    # "Deleted" no longer in folders -> falls back to admin default, not an error
    assert data["prefs"]["default_folder"] != "Deleted"


def test_per_user_isolation(app_client):
    from prefs import PrefStore
    prefs: PrefStore = app_client.application.config["PREFS"]
    snap = app_client._store.snapshot()
    prefs.set_many("alice@x.com", {"default_limit": 10}, snap)
    prefs.set_many("bob@x.com", {"default_limit": 20}, snap)
    assert prefs.effective("alice@x.com", snap)["default_limit"] == 10
    assert prefs.effective("bob@x.com", snap)["default_limit"] == 20


def test_clear_resets_to_default(app_client):
    csrf = login_static(app_client)
    app_client.put("/api/prefs", json={"default_limit": 15}, headers={"X-CSRF-Token": csrf})
    app_client.delete("/api/prefs", json={}, headers={"X-CSRF-Token": csrf})
    data = app_client.get("/api/config").get_json()
    assert data["prefs"]["default_limit"] == 200