import pytest
from unittest.mock import AsyncMock, MagicMock
from aiogram.types import Message

from src.bot.handlers import command_start_handler, command_help_handler, command_latest_handler

@pytest.mark.asyncio
async def test_command_start_handler():
    message = AsyncMock()
    message.from_user = MagicMock()
    message.from_user.full_name = "Test User"
    message.answer = AsyncMock()
    
    await command_start_handler(message)
    
    message.answer.assert_called_once()
    args, kwargs = message.answer.call_args
    assert "Welcome" in args[0] or "Trend-Scout" in args[0]

@pytest.mark.asyncio
async def test_command_help_handler():
    message = AsyncMock()
    message.answer = AsyncMock()
    
    await command_help_handler(message)
    
    message.answer.assert_called_once()
    args, kwargs = message.answer.call_args
    assert "/start" in args[0]
    assert "/latest" in args[0]

@pytest.mark.asyncio
async def test_command_latest_handler():
    message = AsyncMock()
    message.answer = AsyncMock()
    
    await command_latest_handler(message)
    
    message.answer.assert_called_once()
    args, kwargs = message.answer.call_args
    response_text = args[0]
    
    assert "Relevance:" in response_text or "Score:" in response_text or "10" in response_text
    assert "Anomalies:" in response_text or "detected" in response_text.lower()
    assert "Example Domain" in response_text