import re
import subprocess
import sys
import unittest
from pathlib import Path

ROOT = Path(__file__).resolve().parents[1]
SRC = ROOT / "src"
if str(SRC) not in sys.path:
    sys.path.insert(0, str(SRC))

import aman
import aman_cli


class AmanEntrypointTests(unittest.TestCase):
    def test_aman_module_only_reexports_main(self):
        self.assertIs(aman.main, aman_cli.main)
        self.assertFalse(hasattr(aman, "Daemon"))

    def test_python_m_aman_version_succeeds_without_config_ui(self):
        script = f"""
import builtins
import sys

sys.path.insert(0, {str(SRC)!r})
real_import = builtins.__import__

def blocked(name, globals=None, locals=None, fromlist=(), level=0):
    if name == "config_ui":
        raise ModuleNotFoundError("blocked config_ui")
    return real_import(name, globals, locals, fromlist, level)

builtins.__import__ = blocked
import aman
raise SystemExit(aman.main(["version"]))
"""
        result = subprocess.run(
            [sys.executable, "-c", script],
            cwd=ROOT,
            text=True,
            capture_output=True,
            check=False,
        )

        self.assertEqual(result.returncode, 0, result.stderr)
        self.assertRegex(result.stdout.strip(), re.compile(r"\S+"))


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