"""Read-only inspection of source branch advancement after preflight refusal."""
from datetime import datetime, timezone
import json
from pathlib import Path
import urllib.parse
from publish import Client, API, BRANCH, TARGET

HERE = Path(__file__).resolve().parent
path = HERE / 'source-advance-inspection.json'
if path.exists():
    raise RuntimeError('Preserve the previous inspection')
client = Client()
branch = client.request(API + '/branches/' + urllib.parse.quote(BRANCH, safe=''))
head = branch['commit']['id']
comparison = client.request(API + '/compare/' + TARGET + '...' + head)
target = client.request(API + '/git/commits/' + TARGET)
result = {'atUtc': datetime.now(timezone.utc).isoformat(), 'target': TARGET, 'branchHead': head, 'branch': branch, 'targetCommit': target, 'comparison': comparison}
with path.open('x', encoding='utf-8', newline='\n') as out:
    json.dump(result, out, ensure_ascii=False, indent=2)
    out.write('\n')
print(json.dumps({'branchHead': head, 'targetCommit': target.get('sha'), 'comparisonKeys': list(comparison), 'files': comparison.get('files'), 'commits': [{'sha': c.get('sha'), 'message': c.get('commit', {}).get('message')} for c in comparison.get('commits', [])]}, ensure_ascii=False))