#!/usr/bin/env python3
import argparse
import json
from pathlib import Path

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

ap = argparse.ArgumentParser()
ap.add_argument('--job')
ap.add_argument('--require-done', action='store_true')
args = ap.parse_args()
errors = []

if args.job:
    jp = ROOT / args.job
    if not jp.exists():
        errors.append(f'missing_job: {args.job}')
    else:
        job = json.loads(jp.read_text(encoding='utf-8'))
        for art in job.get('expected_artifacts', []):
            p = ROOT / art
            if args.require_done and (not p.exists() or p.stat().st_size == 0):
                errors.append(f'missing_expected_artifact: {art}')
else:
    checks = [
        ROOT/'OWNER_DIGEST.md', ROOT/'triage'/'BACKLOG.md', ROOT/'triage'/'TOP_10_NEXT_ACTIONS.md',
        ROOT/'triage'/'MERGE_CANDIDATES.md', ROOT/'triage'/'ARCHIVE_CANDIDATES.md', ROOT/'triage'/'NEEDS_HUMAN.md',
    ]
    for p in checks:
        if not p.exists() or p.stat().st_size == 0:
            errors.append(f'missing_or_empty: {p.relative_to(ROOT)}')
    card_count = len(list((ROOT/'inventory'/'project_cards').glob('*.md')))
    job_count = len(list((ROOT/'jobs'/'pending').glob('*.json')))
    draft_count = len(list((ROOT/'github'/'issue_drafts').glob('*.md')))
    project_count = 0
    projects_path = ROOT/'inventory'/'projects.jsonl'
    if projects_path.exists():
        project_count = sum(1 for line in projects_path.read_text(encoding='utf-8', errors='ignore').splitlines() if line.strip())
    if card_count < 1:
        errors.append('no_project_cards')
    if project_count and card_count != project_count:
        errors.append(f'project_card_count_mismatch: projects={project_count} cards={card_count}')
    if job_count < 1:
        errors.append('no_pending_jobs')
    if draft_count < 1:
        errors.append('no_issue_drafts')
    expected_drafts = min(25, project_count) if project_count else 0
    if expected_drafts and draft_count < expected_drafts:
        errors.append(f'issue_draft_count_too_low: expected_at_least={expected_drafts} actual={draft_count}')

if errors:
    print('verify_artifacts: failed')
    for e in errors:
        print(f'- {e}')
    raise SystemExit(1)
print('verify_artifacts: passed')