from __future__ import annotations

from pathlib import Path
import sys
import unittest
from unittest import mock


META_ROOT = Path(__file__).resolve().parents[1]
RELEASE_TOOLS_ROOT = META_ROOT / "tools" / "release"
if str(RELEASE_TOOLS_ROOT) not in sys.path:
    sys.path.insert(0, str(RELEASE_TOOLS_ROOT))

from govoplan_release.module_directory import (  # noqa: E402
    module_directory_payloads,
    safe_path_part,
)


class ReleaseModuleDirectoryTests(unittest.TestCase):
    def test_signed_catalog_timestamp_makes_derived_files_reproducible(self) -> None:
        catalog = {
            "generated_at": "2026-07-22T12:00:00Z",
            "sequence": 7,
            "modules": [],
        }
        first = module_directory_payloads(
            catalog_payload=catalog,
            keyring_payload={},
            channel="stable",
        )
        second = module_directory_payloads(
            catalog_payload=catalog,
            keyring_payload={},
            channel="stable",
        )

        self.assertEqual(first, second)
        self.assertEqual(
            "2026-07-22T12:00:00Z",
            first[-1][1]["generated_at"],
        )

    def test_dot_segments_and_noncanonical_ids_never_become_paths(self) -> None:
        for value in (".", "..", "../escape", "/absolute", "module/child"):
            with self.subTest(value=value), self.assertRaises(ValueError):
                safe_path_part(value)

        for module_id in ("..", "../escape", "UPPER", "bad.id"):
            with self.subTest(module_id=module_id), mock.patch(
                "govoplan_release.module_directory.module_rows",
                return_value=[
                    {
                        "module_id": module_id,
                        "version": "1.2.3",
                    }
                ],
            ):
                with self.assertRaises(ValueError):
                    module_directory_payloads(
                        catalog_payload={},
                        keyring_payload={},
                        channel="stable",
                    )

    def test_noncanonical_version_and_channel_fail_before_paths(self) -> None:
        with mock.patch(
            "govoplan_release.module_directory.module_rows",
            return_value=[{"module_id": "demo", "version": "../1.2.3"}],
        ):
            with self.assertRaises(ValueError):
                module_directory_payloads(
                    catalog_payload={}, keyring_payload={}, channel="stable"
                )
        with self.assertRaises(ValueError):
            module_directory_payloads(
                catalog_payload={}, keyring_payload={}, channel="../stable"
            )


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