from tamq.service import Service
from tamq.store import Store


class FakeControl:
    instances = []

    def __init__(self, session):
        self.session = session
        self.injected = []
        self.__class__.instances.append(self)

    def start(self):
        return None

    def session_exists(self, expected_pid=None):
        return True

    def inject(self, window, text):
        self.injected.append((window, text))

    def close(self):
        return None


def test_service_delivery_injects_pending_messages(tmp_path, monkeypatch):
    store = Store(tmp_path / "queue.sqlite3")
    store.register_endpoint("tmux-amq-9-boot", 9, "tamq", ["repo-b"], "pane")
    message_id = store.add("repo-a", "repo-b", "continue")
    monkeypatch.setattr("tamq.service.ControlModeClient", FakeControl)
    Service(store=store)._deliver_once()
    assert FakeControl.instances[-1].injected == [("tamq:repo-b", "#repo-a: continue")]
    assert store.list()[0]["message_id"] == message_id
    assert store.list()[0]["state"] == "injected"


def test_service_never_injects_manual_endpoint_messages(tmp_path, monkeypatch):
    store = Store(tmp_path / "queue.sqlite3")
    store.register_endpoint("tmux-amq-9-boot", 9, "tamq", ["repo-b"], "manual")
    store.add("repo-a", "repo-b", "continue")
    monkeypatch.setattr("tamq.service.ControlModeClient", FakeControl)

    Service(store=store)._deliver_once()

    assert FakeControl.instances[-1].injected == []
    assert store.list()[0]["state"] == "pending"


def test_service_disconnects_disappeared_tmux_endpoint(tmp_path, monkeypatch):
    store = Store(tmp_path / "queue.sqlite3")
    store.register_endpoint("tmux-amq-9-boot", 9, "tamq", ["repo-b"])

    class MissingControl(FakeControl):
        def session_exists(self, expected_pid=None):
            assert expected_pid == 9
            return False

    monkeypatch.setattr("tamq.service.ControlModeClient", MissingControl)
    Service(store=store)._deliver_once()
    assert store.endpoints() == []