"""Adapted UI files keep the OnCo pin, copyright, and NOTICE."""

from __future__ import annotations

import importlib.util
import unittest
from pathlib import Path

ROOT = Path(__file__).resolve().parents[1]

spec = importlib.util.spec_from_file_location("check_ui_provenance", ROOT / "scripts" / "check_ui_provenance.py")
provenance = importlib.util.module_from_spec(spec)
assert spec.loader is not None
spec.loader.exec_module(provenance)

PIN = "b594d7433bf4e408b44215e25e5304696d6f840e"


class UiProvenance(unittest.TestCase):
    def test_pin_matches_the_baseline_file(self) -> None:
        self.assertEqual(provenance.load_pin(), PIN)

    def test_rejects_an_adapted_file_without_the_pin(self) -> None:
        sample = """
        /**
         * Adapted from OnCo SkipLink.
         * Copyright (c) 2026 OnCo. MIT License. See ui/NOTICE.
         */
        """
        problems = provenance.header_problems(sample, "sample", PIN)
        self.assertEqual(len(problems), 1)
        self.assertIn(PIN, problems[0])

    def test_accepts_a_complete_header(self) -> None:
        sample = f"""
        /*
         * Reduced from OnCo src/components/filters/ResultsTable.tsx
         * https://github.com/judegomila/OnCo @ {PIN}
         * Copyright (c) 2026 OnCo. MIT License. See ui/NOTICE.
         */
        """
        self.assertEqual(provenance.header_problems(sample, "sample", PIN), [])

    def test_ignores_a_file_that_was_not_copied(self) -> None:
        sample = """
        /**
         * Generic record page.
         * OnCo EntityDetail was not copied.
         */
        """
        self.assertEqual(provenance.header_problems(sample, "sample", PIN), [])

    def test_notice_requires_the_permission_text(self) -> None:
        short = f"Copyright (c) 2026 OnCo\nMIT License\n{PIN}\n"
        problems = provenance.notice_problems(short, PIN)
        self.assertTrue(problems)
        self.assertIn("Permission is hereby granted", problems[0])

    def test_shipped_ui_keeps_headers_and_notices(self) -> None:
        self.assertEqual(provenance.tree_problems(), [])


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