"""Sync plan.json md_path with the actual note filenames on disk.

The notes were renamed with an `_abstract` suffix to avoid page-name clashes
with the same-named PDFs in SilverBullet. This rewrites plan.json accordingly.

Usage: python sync_plan_paths.py <plan.json> <base_dir>
"""
import json
import os
import sys

plan_path, base = sys.argv[1], sys.argv[2]
plan = json.load(open(plan_path, encoding='utf-8'))
changed = 0
missing = []
for p in plan:
    d = p['dir']
    stem = p['stem']
    candidates = [
        os.path.join(d, stem + '.md'),
        os.path.join(d, stem + '_abstract.md'),
    ]
    found = None
    for c in candidates:
        if os.path.exists(os.path.join(base, c)):
            found = c
            break
    if not found:
        missing.append((p['id'], stem))
        continue
    if p['md_path'] != found:
        p['md_path'] = found
        changed += 1

json.dump(plan, open(plan_path, 'w', encoding='utf-8'), ensure_ascii=False, indent=1)
print('md_path 已更新:', changed, '/', len(plan))
if missing:
    print('未找到对应 md 的论文:')
    for m in missing:
        print('  !', m)