import os
import sys
from pathlib import Path
import pytest
from unittest.mock import MagicMock, patch
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):
    return TelegramBot(mock_monitor, bot_token="test_token", chat_id="test_chat_id")

@patch("telegram_bot.requests.post")
def test_send_message(mock_post, telegram_bot):
    mock_post.return_value.ok = True
    telegram_bot._send_message("Test message")
    mock_post.assert_called_once()
    assert mock_post.call_args[1]["json"]["text"] == "Test message"

@patch("telegram_bot.requests.post")
def test_send_photo(mock_post, telegram_bot):
    mock_post.return_value.ok = True
    with patch("builtins.open", create=True):
        telegram_bot._send_photo("/path/to/photo.jpg", "Test caption")
    mock_post.assert_called_once()
    assert mock_post.call_args[1]["data"]["caption"] == "Test caption"

@patch("telegram_bot.TelegramBot._send_message")
def test_handle_status_command(mock_send_message, telegram_bot):
    telegram_bot._handle_status_command()
    mock_send_message.assert_called_once()
    assert "Autopilot" in mock_send_message.call_args[0][0]

@patch("telegram_bot.TelegramBot._send_message")
def test_handle_help_command(mock_send_message, telegram_bot):
    telegram_bot._handle_help_command()
    mock_send_message.assert_called_once()
    assert "InBerlin Monitor Commands" in mock_send_message.call_args[0][0]

@patch("telegram_bot.TelegramBot._send_message")
def test_handle_unknown_command(mock_send_message, telegram_bot):
    telegram_bot._handle_unknown_command("/unknown")
    mock_send_message.assert_called_once()
    assert "Unknown command" in mock_send_message.call_args[0][0]


@patch("telegram_bot.TelegramBot._send_photo")
@patch("telegram_bot.TelegramBot._send_message")
def test_handle_plot_command(mock_send_message, mock_send_photo, telegram_bot):
    telegram_bot.app_handler._generate_weekly_plot = MagicMock(return_value="/path/to/plot.png")
    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.")


@patch("telegram_bot.TelegramBot._send_message")
def test_handle_plot_command_no_data(mock_send_message, telegram_bot):
    telegram_bot.app_handler._generate_weekly_plot = MagicMock(return_value="")
    telegram_bot._handle_plot_command()
    mock_send_message.assert_called_once_with("📊 Not enough data to generate plot yet. Keep monitoring!")


@patch("telegram_bot.TelegramBot._send_photo")
@patch("telegram_bot.TelegramBot._send_message")
def test_handle_error_rate_command(mock_send_message, mock_send_photo, telegram_bot):
    telegram_bot.app_handler._generate_error_rate_plot = MagicMock(return_value=("/path/to/error_rate.png", "Summary text"))
    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")


@patch("telegram_bot.TelegramBot._send_message")
def test_handle_error_rate_command_no_data(mock_send_message, telegram_bot):
    telegram_bot.app_handler._generate_error_rate_plot = MagicMock(return_value=("", ""))
    telegram_bot._handle_error_rate_command()
    mock_send_message.assert_called_once_with("📉 Not enough application data to generate errorrate plot.")