import pytest
from unittest.mock import AsyncMock

from app.fsm import BotState, FSM
from app.handlers.greeting import handle_start
from app.handlers.consent import handle_consent_request, handle_consent_given, handle_consent_refused
from app.handlers.main_menu import handle_main_menu
from app.settings_cache import SettingsCache


@pytest.mark.asyncio
async def test_handle_start_new_user(test_session, mock_max_api, bot):
    FSM.clear_all()
    user_data = {"user_id": 12345, "first_name": "Иван", "last_name": "Петров"}

    await SettingsCache.refresh(test_session)
    await handle_start(bot, user_data, test_session, mock_max_api)

    mock_max_api.send_message_with_keyboard.assert_called_once()
    call_args = mock_max_api.send_message_with_keyboard.call_args
    assert call_args[0][0] == 12345
    assert FSM.get_state(12345) == BotState.IDLE


@pytest.mark.asyncio
async def test_handle_start_returning_user(test_session, mock_max_api, bot):
    from app.conversation import get_or_create_user, create_conversation
    FSM.clear_all()
    user_data = {"user_id": 67890, "first_name": "Пётр"}

    user = await get_or_create_user(test_session, 67890, "Пётр")
    await test_session.flush()
    await create_conversation(test_session, user.id)
    await test_session.flush()

    await SettingsCache.refresh(test_session)
    await handle_start(bot, user_data, test_session, mock_max_api)

    mock_max_api.send_message_with_keyboard.assert_called_once()
    assert FSM.get_state(67890) == BotState.IDLE


@pytest.mark.asyncio
async def test_handle_consent_request(test_session, mock_max_api, bot):
    FSM.clear_all()
    user_data = {"user_id": 111, "first_name": "Анна"}

    await SettingsCache.refresh(test_session)
    await handle_consent_request(bot, user_data, test_session, mock_max_api)

    mock_max_api.send_message_with_keyboard.assert_called_once()
    assert FSM.get_state(111) == BotState.CONSENT_REQUEST


@pytest.mark.asyncio
async def test_handle_consent_given(test_session, mock_max_api, bot):
    from app.conversation import get_or_create_user
    FSM.clear_all()
    user_data = {"user_id": 222}

    user = await get_or_create_user(test_session, 222)
    await test_session.flush()

    await handle_consent_given(bot, user_data, test_session, mock_max_api)

    assert user.consent_given is True
    mock_max_api.send_message_with_keyboard.assert_called_once()
    assert FSM.get_state(222) == BotState.CONTACT_REQUEST


@pytest.mark.asyncio
async def test_handle_consent_refused(test_session, mock_max_api, bot):
    from app.conversation import get_or_create_user
    FSM.clear_all()
    user_data = {"user_id": 333}

    user = await get_or_create_user(test_session, 333)
    await test_session.flush()

    await SettingsCache.refresh(test_session)
    await handle_consent_refused(bot, user_data, test_session, mock_max_api)

    mock_max_api.send_message_with_keyboard.assert_called_once()
    assert FSM.get_state(333) == BotState.IDLE


@pytest.mark.asyncio
async def test_handle_main_menu_new_inquiry_without_consent(test_session, mock_max_api, bot):
    FSM.clear_all()
    user_data = {"user_id": 444, "payload": "new_inquiry"}

    await SettingsCache.refresh(test_session)
    await handle_main_menu(bot, user_data, test_session, mock_max_api)

    # Should go to consent request
    mock_max_api.send_message_with_keyboard.assert_called_once()


@pytest.mark.asyncio
async def test_handle_main_menu_cancel(test_session, mock_max_api, bot):
    FSM.clear_all()
    user_data = {"user_id": 555, "payload": "cancel"}

    await SettingsCache.refresh(test_session)
    await handle_main_menu(bot, user_data, test_session, mock_max_api)

    mock_max_api.send_message_with_keyboard.assert_called_once()
    assert FSM.get_state(555) == BotState.IDLE


@pytest.mark.asyncio
async def test_handle_main_menu_unknown_payload(test_session, mock_max_api, bot):
    FSM.clear_all()
    user_data = {"user_id": 666, "payload": "unknown_command"}

    await SettingsCache.refresh(test_session)
    await handle_main_menu(bot, user_data, test_session, mock_max_api)

    mock_max_api.send_message_with_keyboard.assert_called_once()
    assert FSM.get_state(666) == BotState.IDLE


@pytest.mark.asyncio
async def test_handle_main_menu_handoff(test_session, mock_max_api, bot):
    from app.conversation import get_or_create_user
    from app.handlers.handoff import handle_handoff_request
    FSM.clear_all()
    user_data = {"user_id": 668, "payload": "handoff"}

    await get_or_create_user(test_session, 668, "Тест")
    await test_session.flush()

    await SettingsCache.refresh(test_session)
    # Call directly (goes to out_of_hours if after hours, or handoff template)
    await handle_handoff_request(bot, user_data, test_session, mock_max_api)

    # Either send_message (handoff) or send_message_with_keyboard (out_of_hours)
    assert mock_max_api.send_message.called or mock_max_api.send_message_with_keyboard.called


@pytest.mark.asyncio
async def test_handle_out_of_hours(test_session, mock_max_api, bot):
    from app.handlers.out_of_hours import handle_out_of_hours
    FSM.clear_all()
    user_data = {"user_id": 777}

    await SettingsCache.refresh(test_session)
    await handle_out_of_hours(bot, user_data, test_session, mock_max_api)

    mock_max_api.send_message_with_keyboard.assert_called_once()
    assert FSM.get_state(777) == BotState.OUT_OF_HOURS


@pytest.mark.asyncio
async def test_handle_out_of_hours_leave_message(test_session, mock_max_api, bot):
    from app.handlers.out_of_hours import handle_out_of_hours_callback
    FSM.clear_all()
    user_data = {"user_id": 888, "text": "тестовое обращение"}
    FSM.set_state(888, BotState.OUT_OF_HOURS)

    await SettingsCache.refresh(test_session)
    await handle_out_of_hours_callback(bot, user_data, test_session, mock_max_api, "leave_message")

    # handle_inquiry completes the flow → ends at CONFIRMATION
    assert FSM.get_state(888) == BotState.CONFIRMATION


@pytest.mark.asyncio
async def test_handle_out_of_hours_callback_request(test_session, mock_max_api, bot):
    from app.handlers.out_of_hours import handle_out_of_hours_callback
    FSM.clear_all()
    user_data = {"user_id": 999}
    FSM.set_state(999, BotState.OUT_OF_HOURS)

    await SettingsCache.refresh(test_session)
    await handle_out_of_hours_callback(bot, user_data, test_session, mock_max_api, "callback")

    mock_max_api.send_message.assert_called_once()
    assert FSM.get_state(999) == BotState.NAME_REQUEST