"""Version known regression questions after independent source adjudication.

No retrieval output is used to choose, remove or relabel questions. Historical
v4 remains immutable; all IDs, wording, categories and split membership remain.
"""
import copy
import json
from pathlib import Path

from .benchmark_v2 import BASE, audit_dataset, binding_source_evidence, validate_case, write_json
from .benchmark_v4 import refresh_titles, logical_group
from .source_oracle import load_source_oracle


def main():
    output = BASE / 'graphrag_questions_v6.json'
    artifacts = BASE / 'results/v6_preparation'
    if output.exists():
        raise RuntimeError('Refusing to overwrite versioned questions.')
    original = json.loads((BASE / 'graphrag_questions_v4.json').read_text())
    oracle = load_source_oracle()
    cases = []; changes = []
    for before in original:
        after = refresh_titles(before, oracle)
        after['graph']['partition_group'] = logical_group(after)
        if after['should_answer']:
            after['source_evidence'] = [proof for binding in after['graph']['expected_bindings']
                                       for proof in binding_source_evidence(binding, oracle)]
        if (before['should_answer'], before['graph']['expected_bindings']) != (
                after['should_answer'], after['graph']['expected_bindings']):
            changes.append({'id': before['id'], 'split': before['split'],
                'before': copy.deepcopy(before), 'after': copy.deepcopy(after),
                'reason': 'Generic written-deliverable link label is not a supported academic title.'})
        assert before['question'] == after['question'] and before['category'] == after['category']
        issues = validate_case(after, oracle)
        if issues:
            raise RuntimeError(f'{after["id"]}: {issues}')
        cases.append(after)
    write_json(output, cases)
    write_json(artifacts / 'source_adjudications.json', {
        'reviewer': 'AI direct Markdown review; not a human adjudication',
        'policy': 'A bare artifact label (rešerš, tutoriál, projekt, dokument, repozitár) is not an academic title. '
                  'Do not inherit a child-document title or category-year into its parent academic record.',
        'measurement': 'All questions are known historical regression; corrected gold prevents direct accuracy comparison.',
        'questions': changes})
    write_json(artifacts / 'source_audit.json', audit_dataset(cases, oracle, output))
    print(json.dumps({'questions': len(cases), 'source_issues': 0,
                      'adjudicated_ids': [c['id'] for c in changes]}))


if __name__ == '__main__':
    main()