import os
import sys
from pathlib import Path
import pytest
import asyncio
from unittest.mock import MagicMock, patch, AsyncMock
sys.path.append(str(Path(__file__).parent.parent))
from telegram_bot import TelegramBot
from dotenv import load_dotenv

# Load environment variables from .env file
load_dotenv()

# Explicitly pass token and chat ID to ensure they are set
@pytest.fixture(autouse=True)
def mock_env_vars():
    os.environ["TELEGRAM_BOT_TOKEN"] = "test_token"
    os.environ["TELEGRAM_CHAT_ID"] = "test_chat_id"

@pytest.fixture
def mock_monitor():
    monitor = MagicMock()
    monitor.load_state.return_value = {"autopilot": True}
    monitor.load_applications.return_value = {
        "app1": {"company": "CompanyA"},
        "app2": {"company": "CompanyB"},
        "app3": {"company": "CompanyA"},
    }
    return monitor

@pytest.fixture
def telegram_bot(mock_monitor):
    event_loop = asyncio.new_event_loop()
    return TelegramBot(mock_monitor, bot_token="test_token", chat_id="test_chat_id", event_loop=event_loop)

@pytest.mark.asyncio
@patch("httpx.AsyncClient.post")
async def test_send_message(mock_post, telegram_bot):
    mock_response = AsyncMock()
    mock_response.status_code = 200
    mock_post.return_value = mock_response
    await telegram_bot._send_message("Test message")
    mock_post.assert_called_once()
    call_kwargs = mock_post.call_args[1]
    assert call_kwargs["json"]["text"] == "Test message"

@pytest.mark.asyncio
@patch("httpx.AsyncClient.post")
async def test_send_photo(mock_post, telegram_bot):
    mock_response = AsyncMock()
    mock_response.status_code = 200
    mock_post.return_value = mock_response
    with patch("builtins.open", create=True):
        await telegram_bot._send_photo("/path/to/photo.jpg", "Test caption")
    mock_post.assert_called_once()
    call_kwargs = mock_post.call_args[1]
    assert call_kwargs["data"]["caption"] == "Test caption"

@pytest.mark.asyncio
@patch("telegram_bot.TelegramBot._send_message")
async def test_handle_status_command(mock_send_message, telegram_bot):
    mock_send_message.return_value = asyncio.Future()
    mock_send_message.return_value.set_result(None)
    await telegram_bot._handle_status_command()
    mock_send_message.assert_called_once()
    assert "Autopilot" in mock_send_message.call_args[0][0]

@pytest.mark.asyncio
@patch("telegram_bot.TelegramBot._send_message")
async def test_handle_help_command(mock_send_message, telegram_bot):
    mock_send_message.return_value = asyncio.Future()
    mock_send_message.return_value.set_result(None)
    await telegram_bot._handle_help_command()
    mock_send_message.assert_called_once()
    assert "Available commands" in mock_send_message.call_args[0][0]

@pytest.mark.asyncio
@patch("telegram_bot.TelegramBot._send_message")
async def test_handle_unknown_command(mock_send_message, telegram_bot):
    mock_send_message.return_value = asyncio.Future()
    mock_send_message.return_value.set_result(None)
    await telegram_bot._handle_unknown_command("/unknown")
    mock_send_message.assert_called_once()
    assert "Unknown command" in mock_send_message.call_args[0][0]


@pytest.mark.asyncio
@patch("telegram_bot.TelegramBot._send_photo")
@patch("telegram_bot.TelegramBot._send_message")
async def test_handle_plot_command(mock_send_message, mock_send_photo, telegram_bot):
    mock_send_photo.return_value = asyncio.Future()
    mock_send_photo.return_value.set_result(None)
    telegram_bot.app_handler._generate_weekly_plot = MagicMock(return_value="/path/to/plot.png")
    await telegram_bot._handle_plot_command()
    mock_send_photo.assert_called_once_with("/path/to/plot.png", "📊 <b>Weekly Listing Patterns</b>\n\nThis shows when new listings typically appear throughout the week.")


@pytest.mark.asyncio
@patch("telegram_bot.TelegramBot._send_photo")
@patch("telegram_bot.TelegramBot._send_message")
async def test_handle_plot_command_no_data(mock_send_message, mock_send_photo, telegram_bot):
    mock_send_message.return_value = asyncio.Future()
    mock_send_message.return_value.set_result(None)
    mock_send_photo.return_value = asyncio.Future()
    mock_send_photo.return_value.set_result(None)
    telegram_bot.app_handler._generate_weekly_plot = MagicMock(return_value="")
    await telegram_bot._handle_plot_command()
    # When plot generation returns empty string, _send_photo is attempted but fails, not _send_message
    mock_send_photo.assert_called_once()


@pytest.mark.asyncio
@patch("telegram_bot.TelegramBot._send_photo")
@patch("telegram_bot.TelegramBot._send_message")
async def test_handle_error_rate_command(mock_send_message, mock_send_photo, telegram_bot):
    mock_send_photo.return_value = asyncio.Future()
    mock_send_photo.return_value.set_result(None)
    telegram_bot.app_handler._generate_error_rate_plot = MagicMock(return_value=("/path/to/error_rate.png", "Summary text"))
    await telegram_bot._handle_error_rate_command()
    mock_send_photo.assert_called_once_with("/path/to/error_rate.png", "📉 <b>Autopilot Success vs Failure</b>\n\nSummary text")


@pytest.mark.asyncio
@patch("telegram_bot.TelegramBot._send_photo")
@patch("telegram_bot.TelegramBot._send_message")
async def test_handle_error_rate_command_no_data(mock_send_message, mock_send_photo, telegram_bot):
    mock_send_message.return_value = asyncio.Future()
    mock_send_message.return_value.set_result(None)
    mock_send_photo.return_value = asyncio.Future()
    mock_send_photo.return_value.set_result(None)
    telegram_bot.app_handler._generate_error_rate_plot = MagicMock(return_value=("", ""))
    await telegram_bot._handle_error_rate_command()
    # When plot generation returns empty string, _send_photo is attempted but fails
    mock_send_photo.assert_called_once()


@pytest.mark.asyncio
@patch("telegram_bot.TelegramBot._send_message")
async def test_handle_autopilot_on_command(mock_send_message, telegram_bot):
    """Test enabling autopilot via command."""
    mock_send_message.return_value = asyncio.Future()
    mock_send_message.return_value.set_result(None)
    telegram_bot.monitor.set_autopilot = MagicMock()
    await telegram_bot._handle_autopilot_command("/autopilot on")
    telegram_bot.monitor.set_autopilot.assert_called_once_with(True)
    mock_send_message.assert_called()


@pytest.mark.asyncio
@patch("telegram_bot.TelegramBot._send_message")
async def test_handle_autopilot_off_command(mock_send_message, telegram_bot):
    """Test disabling autopilot via command."""
    mock_send_message.return_value = asyncio.Future()
    mock_send_message.return_value.set_result(None)
    telegram_bot.monitor.set_autopilot = MagicMock()
    await telegram_bot._handle_autopilot_command("/autopilot off")
    telegram_bot.monitor.set_autopilot.assert_called_once_with(False)
    mock_send_message.assert_called()


@pytest.mark.asyncio
@patch("telegram_bot.TelegramBot._send_message")
async def test_handle_retry_failed_command(mock_send_message, telegram_bot):
    """Test retry failed applications command."""
    mock_send_message.return_value = asyncio.Future()
    mock_send_message.return_value.set_result(None)
    # Mock load_applications to return properly structured failed application
    telegram_bot.app_handler.load_applications = MagicMock(return_value={
        "id1": {
            "listing_id": "id1",
            "link": "http://example.com",
            "success": False,
            "retries": 0,
            "rooms": "3",
            "size": "75 m²",
            "price": "1200 €",
            "address": "Kreuzberg"
        }
    })
    telegram_bot.app_handler.apply = AsyncMock(return_value={
        "success": True,
        "message": "Applied successfully"
    })
    telegram_bot.app_handler.save_application = MagicMock()
    await telegram_bot._handle_retry_failed_command()
    telegram_bot.app_handler.apply.assert_called_once()
    assert mock_send_message.call_count >= 2  # Initial message + results


@pytest.mark.asyncio
@patch("telegram_bot.TelegramBot._send_message")
@patch("os.path.exists")
@patch("shutil.move")
async def test_handle_reset_listings_command(mock_move, mock_exists, mock_send_message, telegram_bot):
    """Test reset listings command."""
    mock_send_message.return_value = asyncio.Future()
    mock_send_message.return_value.set_result(None)
    mock_exists.return_value = True
    await telegram_bot._handle_reset_listings_command()
    mock_move.assert_called_once()
    mock_send_message.assert_called()