import os
import sys
import re
import unittest
from cli.meta.applications.all import find_application_ids

# ensure project root is on PYTHONPATH so we can import your CLI code
ROOT = os.path.abspath(os.path.join(os.path.dirname(__file__), os.pardir, os.pardir))
sys.path.insert(0, ROOT)

class TestGroupApplications(unittest.TestCase):
    # regex to capture any literal check in group_names: 'name' in/not in group_names
    GROUP_CHECK_RE = re.compile(r"['\"](?P<name>[^'\"]+)['\"]\s*(?:in|not in)\s*group_names")

    def test_group_name_checks_use_valid_application_ids(self):
        """
        Ensures that any string checked against group_names corresponds to a valid application ID.
        """
        valid_apps = find_application_ids()

        # walk the entire project tree
        for dirpath, _, filenames in os.walk(ROOT):
            for filename in filenames:
                if not filename.lower().endswith(('.yml', '.yaml')):
                    continue
                filepath = os.path.join(dirpath, filename)
                try:
                    with open(filepath, 'r', encoding='utf-8') as f:
                        text = f.read()
                except Exception:
                    continue

                # find all group_names checks in the file
                for match in self.GROUP_CHECK_RE.finditer(text):
                    name = match.group('name')
                    # the checked name must be one of the valid application IDs
                    self.assertIn(
                        name,
                        valid_apps,
                        msg=(
                            f"{filepath}: group_names check uses '{name}', "
                            f"which is not a known application ID {valid_apps}"
                        )
                    )

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