#!/usr/bin/env python3

import subprocess
import sys
import unittest
from pathlib import Path


PROJECT_ROOT = Path(__file__).resolve().parents[1]
sys.path.insert(0, str(PROJECT_ROOT))

import jwebot_edge  # noqa: E402
from jwebot_kernel import edge_runtime  # noqa: E402


class EdgeCompatibilityTests(unittest.TestCase):
    def test_import_alias_is_the_packaged_runtime_module(self):
        self.assertIs(jwebot_edge, edge_runtime)

    def test_legacy_module_mutation_affects_runtime_globals(self):
        original = edge_runtime.CLOUD_HOST if hasattr(edge_runtime, "CLOUD_HOST") else None
        jwebot_edge.COMPATIBILITY_TEST_VALUE = "value"
        try:
            self.assertEqual(edge_runtime.COMPATIBILITY_TEST_VALUE, "value")
        finally:
            del edge_runtime.COMPATIBILITY_TEST_VALUE
        self.assertEqual(
            edge_runtime.CLOUD_HOST if hasattr(edge_runtime, "CLOUD_HOST") else None,
            original,
        )

    def test_root_cli_still_exposes_help(self):
        result = subprocess.run(
            [sys.executable, str(PROJECT_ROOT / "jwebot_edge.py"), "--help"],
            text=True,
            capture_output=True,
            timeout=10,
            check=False,
        )
        self.assertEqual(result.returncode, 0)
        self.assertIn("Local, low-latency router", result.stdout)


if __name__ == "__main__":
    unittest.main()