"""Tests for tunnel module - cloudflared binary management."""

from unittest.mock import patch

import pytest

from browser_use.skill_cli.tunnel import TunnelManager, get_tunnel_manager


@pytest.fixture
def tunnel_manager():
	"""Create a fresh TunnelManager instance for testing."""
	return TunnelManager()


def test_tunnel_manager_system_cloudflared(tunnel_manager):
	"""Test that system cloudflared is found."""
	with patch('shutil.which', return_value='/usr/local/bin/cloudflared'):
		binary_path = tunnel_manager.get_binary_path()
		assert binary_path == '/usr/local/bin/cloudflared'


def test_tunnel_manager_caches_result(tunnel_manager):
	"""Test that binary path is cached after first call."""
	with patch('shutil.which', return_value='/usr/local/bin/cloudflared'):
		path1 = tunnel_manager.get_binary_path()
		# Reset shutil.which to ensure it's not called again
		with patch('shutil.which', side_effect=Exception('Should be cached')):
			path2 = tunnel_manager.get_binary_path()
		assert path1 == path2


def test_tunnel_manager_not_installed(tunnel_manager):
	"""Test that RuntimeError is raised when cloudflared not found."""
	with patch('shutil.which', return_value=None):
		with pytest.raises(RuntimeError) as exc_info:
			tunnel_manager.get_binary_path()
		assert 'cloudflared not installed' in str(exc_info.value)


def test_tunnel_manager_status_installed(tunnel_manager):
	"""Test get_status returns correct info when cloudflared installed."""
	with patch('shutil.which', return_value='/usr/local/bin/cloudflared'):
		status = tunnel_manager.get_status()
		assert status['available'] is True
		assert status['source'] == 'system'
		assert status['path'] == '/usr/local/bin/cloudflared'


def test_tunnel_manager_status_not_installed(tunnel_manager):
	"""Test get_status when cloudflared not installed."""
	with patch('shutil.which', return_value=None):
		status = tunnel_manager.get_status()
		assert status['available'] is False
		assert status['source'] is None
		assert 'not installed' in status['note']


def test_get_tunnel_manager_singleton():
	"""Test that get_tunnel_manager returns a singleton."""
	# Reset the global singleton
	import browser_use.skill_cli.tunnel as tunnel_module

	tunnel_module._tunnel_manager = None

	mgr1 = get_tunnel_manager()
	mgr2 = get_tunnel_manager()
	assert mgr1 is mgr2