"""Version extraction uses the addon asset, not the manifest schema or game version."""
import importlib.util
from pathlib import Path
import unittest

ROOT = Path(__file__).resolve().parents[1]
spec = importlib.util.spec_from_file_location('workshop_changelog', ROOT / 'tools/workshop_changelog.py')
tool = importlib.util.module_from_spec(spec)
spec.loader.exec_module(tool)
PROJECT = 'GameProject { GUID "2528466DE220D91C" }'
TEXT = '# Changelog\n\n## Update\n\n- Gameplay fix.\n'


class WorkshopTests(unittest.TestCase):
    def test_asset_version(self):
        manifest = {'version': 1, 'asset': {'id': '2528466DE220D91C', 'version': '0.0.109', 'gameVersion': '1.8.0.13'}}
        self.assertEqual(tool.bundled_version(manifest, PROJECT), '0.0.109')

    def test_reject_wrong_addon_and_invalid_manifest(self):
        for manifest in (None, [], {}, {'asset': None}, {'asset': {'id': None}},
                         {'asset': {'id': 'OTHER', 'version': '0.0.109'}},
                         {'asset': {'id': '2528466DE220D91C', 'version': '99999.0.0'}},
                         {'version': '0.0.109', 'asset': {'id': '2528466DE220D91C'}}):
            with self.subTest(manifest=manifest), self.assertRaises(ValueError):
                tool.bundled_version(manifest, PROJECT)

    def test_update_preserves_notes_and_is_idempotent(self):
        updated = tool.update_changelog(TEXT, '0.0.109')
        self.assertIn('Latest published Workshop version: **0.0.109**', updated)
        self.assertTrue(updated.endswith('## Update\n\n- Gameplay fix.\n'))
        self.assertEqual(updated, tool.update_changelog(updated, '0.0.109'))
        next_release = tool.update_changelog(updated, '0.0.110')
        self.assertNotIn('0.0.109', next_release)
        self.assertEqual(next_release.count('Latest published Workshop version:'), 1)

    def test_bad_layout_refused(self):
        for text in ('Notes only', TEXT + 'Latest published Workshop version: **0.0.1**\n',
                     '# Changelog\nLatest published Workshop version: **0.0.1**\nLatest published Workshop version: **0.0.2**\n'):
            with self.subTest(text=text), self.assertRaises(ValueError):
                tool.update_changelog(text, '0.0.109')


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