"""Tests for the assistant mode state machine."""

from stt_daemon.assistant.modes import Mode, ModeMachine


def test_initial_mode_is_idle():
    assert ModeMachine().mode is Mode.IDLE


def test_arm_execute_finish_cycle():
    machine = ModeMachine()
    assert machine.arm() is True
    assert machine.mode is Mode.COMMAND_ARMED
    assert machine.execute() is True
    assert machine.mode is Mode.EXECUTING
    assert machine.finish() is True
    assert machine.mode is Mode.IDLE


def test_cancel_from_armed_returns_to_idle():
    machine = ModeMachine()
    machine.arm()
    assert machine.cancel() is True
    assert machine.mode is Mode.IDLE


def test_chat_enter_exit_cycle():
    machine = ModeMachine()
    assert machine.enter_chat() is True
    assert machine.mode is Mode.CHAT
    assert machine.exit_chat() is True
    assert machine.mode is Mode.IDLE


def test_cannot_enter_chat_while_command_active():
    machine = ModeMachine()
    machine.arm()
    assert machine.enter_chat() is False
    assert machine.mode is Mode.COMMAND_ARMED
    machine.execute()
    assert machine.enter_chat() is False
    assert machine.mode is Mode.EXECUTING


def test_cannot_arm_while_in_chat():
    machine = ModeMachine()
    machine.enter_chat()
    assert machine.arm() is False
    assert machine.mode is Mode.CHAT


def test_refusals_leave_mode_unchanged():
    machine = ModeMachine()
    assert machine.execute() is False
    assert machine.cancel() is False
    assert machine.finish() is False
    assert machine.exit_chat() is False
    assert machine.mode is Mode.IDLE


def test_command_active_property():
    machine = ModeMachine()
    assert machine.command_active is False
    machine.arm()
    assert machine.command_active is True
    machine.execute()
    assert machine.command_active is True
    machine.finish()
    assert machine.command_active is False
    machine.enter_chat()
    assert machine.command_active is False