"""Tests for QuickReplySessionService."""

from unittest.mock import AsyncMock, Mock
from uuid import uuid4

import pytest

from capa_de_integracion.models.conversation import ConversationSession
from capa_de_integracion.models.quick_replies import QuickReplyScreen
from capa_de_integracion.services import QuickReplySessionService
from capa_de_integracion.services.quick_reply.content import QuickReplyContentService
from capa_de_integracion.services.storage.firestore import FirestoreService
from capa_de_integracion.services.storage.redis import RedisService


@pytest.fixture
def mock_redis():
    """Create mock Redis service."""
    redis = Mock(spec=RedisService)
    redis.save_session = AsyncMock()
    return redis


@pytest.fixture
def mock_firestore():
    """Create mock Firestore service."""
    firestore = Mock(spec=FirestoreService)
    firestore.get_session_by_phone = AsyncMock()
    firestore.create_session = AsyncMock()
    firestore.update_pantalla_contexto = AsyncMock()
    return firestore


@pytest.fixture
def mock_content():
    """Create mock QuickReplyContentService."""
    content = Mock(spec=QuickReplyContentService)
    content.get_quick_replies = AsyncMock()
    return content


@pytest.fixture
def service(mock_redis, mock_firestore, mock_content):
    """Create QuickReplySessionService instance."""
    return QuickReplySessionService(
        redis_service=mock_redis,
        firestore_service=mock_firestore,
        quick_reply_content_service=mock_content,
    )


@pytest.mark.asyncio
async def test_validate_phone_empty_string(service):
    """Test phone validation with empty string."""
    with pytest.raises(ValueError, match="Phone number is required"):
        service._validate_phone("")


@pytest.mark.asyncio
async def test_validate_phone_whitespace(service):
    """Test phone validation with whitespace only."""
    with pytest.raises(ValueError, match="Phone number is required"):
        service._validate_phone("   ")


@pytest.mark.asyncio
async def test_start_session_new_user(service, mock_firestore, mock_redis, mock_content):
    """Test starting a quick reply session for a new user."""
    # Setup mocks
    mock_firestore.get_session_by_phone.return_value = None  # No existing session

    # Mock create_session to return a session with the ID that was passed in
    def create_session_side_effect(session_id, user_id, telefono, pantalla_contexto):
        return ConversationSession.create(
            session_id=session_id,
            user_id=user_id,
            telefono=telefono,
            pantalla_contexto=pantalla_contexto,
        )

    mock_firestore.create_session.side_effect = create_session_side_effect

    test_quick_replies = QuickReplyScreen(
        header="Home Screen",
        body=None,
        button=None,
        header_section=None,
        preguntas=[],
    )
    mock_content.get_quick_replies.return_value = test_quick_replies

    # Execute
    result = await service.start_quick_reply_session(
        telefono="555-1234",
        _nombre="John",
        pantalla_contexto="home",
    )

    # Verify
    assert result.session_id is not None  # Session ID should be generated
    assert result.quick_replies.header == "Home Screen"

    mock_firestore.get_session_by_phone.assert_called_once_with("555-1234")
    mock_firestore.create_session.assert_called_once()

    # Verify create_session was called with correct parameters
    call_args = mock_firestore.create_session.call_args
    assert call_args[0][2] == "555-1234"  # telefono
    assert call_args[0][3] == "home"  # pantalla_contexto

    mock_redis.save_session.assert_called_once()
    mock_content.get_quick_replies.assert_called_once_with("home")


@pytest.mark.asyncio
async def test_start_session_existing_user(service, mock_firestore, mock_redis, mock_content):
    """Test starting a quick reply session for an existing user."""
    # Setup mocks - existing session
    test_session_id = "existing-session-123"
    test_session = ConversationSession.create(
        session_id=test_session_id,
        user_id="user_by_phone_5551234",
        telefono="555-1234",
        pantalla_contexto="old_screen",
    )
    mock_firestore.get_session_by_phone.return_value = test_session

    test_quick_replies = QuickReplyScreen(
        header="Payments Screen",
        body=None,
        button=None,
        header_section=None,
        preguntas=[],
    )
    mock_content.get_quick_replies.return_value = test_quick_replies

    # Execute
    result = await service.start_quick_reply_session(
        telefono="555-1234",
        _nombre="John",
        pantalla_contexto="pagos",
    )

    # Verify
    assert result.session_id == test_session_id
    assert result.quick_replies.header == "Payments Screen"

    mock_firestore.get_session_by_phone.assert_called_once_with("555-1234")
    mock_firestore.update_pantalla_contexto.assert_called_once_with(
        test_session_id,
        "pagos",
    )
    mock_firestore.create_session.assert_not_called()
    mock_redis.save_session.assert_called_once()
    mock_content.get_quick_replies.assert_called_once_with("pagos")


@pytest.mark.asyncio
async def test_start_session_invalid_phone(service):
    """Test starting session with invalid phone number."""
    with pytest.raises(ValueError, match="Phone number is required"):
        await service.start_quick_reply_session(
            telefono="",
            _nombre="John",
            pantalla_contexto="home",
        )