"""Regression checks for G7 rejection paths; run beside the three canon checkouts."""
from pathlib import Path
import unittest
from unittest.mock import patch

import yaml
import jsonschema

from validate_interfaces import validate

WORKSPACE = Path(__file__).resolve().parents[2]
READ_TEXT = Path.read_text


class InterfaceGateTests(unittest.TestCase):
    def reject_card(self, repo, mutate, message, error=ValueError):
        suffix = 'canon/interfaces/federation.yaml' if repo == 'the-custodian' else 'infospace/interfaces/federation.yaml'
        target = WORKSPACE / repo / suffix

        def read(path, *args, **kwargs):
            content = READ_TEXT(path, *args, **kwargs)
            if path == target:
                card = yaml.safe_load(content)
                mutate(card)
                return yaml.safe_dump(card)
            return content

        with patch.object(Path, 'read_text', read):
            with self.assertRaisesRegex(error, message):
                validate(WORKSPACE)

    def test_missing_reciprocal_peer_is_rejected(self):
        self.reject_card('info-tech-canon', lambda c: c['peers'].pop(), 'peer coverage')

    def test_duplicate_evidence_owner_is_rejected(self):
        self.reject_card('commerce-canon', lambda c: c['exports'][0]['concepts'].append('Evidence'),
                         'Duplicate domain owner: Evidence')

    def test_family_model_promotion_is_rejected(self):
        def promote(card):
            entry = next(e for e in card['exports'] if e['artifact'] == 'family-area')
            entry['kind'] = 'domain-model'
        self.reject_card('info-tech-canon', promote, 'Family promoted')

    def test_custodian_domain_claim_is_rejected(self):
        self.reject_card('the-custodian', lambda c: c['exports'][0]['concepts'].append('Evidence'),
                         'Governance claims domain semantics')

    def test_invalid_schema_shape_is_rejected(self):
        self.reject_card('info-tech-canon', lambda c: c.update(consumer={'repo': 'info-tech-canon'}),
                         "is not of type 'string'", jsonschema.ValidationError)

    def test_import_exceeding_export_is_rejected(self):
        def extend(card):
            card['imports'][1]['concepts'].append('Undeclared concept')
        self.reject_card('commerce-canon', extend, 'Import exceeds export')


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