#!/bin/bash
# 备忘录管理 — 存储 .data/memos.json
MEMO_FILE=".data/memos.json"
mkdir -p "$(dirname "$MEMO_FILE")"
[ ! -f "$MEMO_FILE" ] && echo '[]' > "$MEMO_FILE"

read -r INPUT
export MEMO_INPUT="$INPUT"

python3 - "$MEMO_FILE" << 'PYEOF'
import sys, json, os, datetime

path = sys.argv[1]
input_raw = os.environ.get('MEMO_INPUT', '{}')

try: req = json.loads(input_raw)
except:
    print('无效的 JSON 输入')
    sys.exit(1)

action = req.get('action', 'list')
content = req.get('content', '')
memo_id = req.get('id', '')

data = json.load(open(path)) if os.path.exists(path) and os.path.getsize(path) > 0 else []

if action == 'add':
    if not content:
        print('请提供 content 参数')
        sys.exit(1)
    next_id = max([m.get('id', 0) for m in data], default=0) + 1
    data.append({'id': next_id, 'content': content, 'created_at': datetime.datetime.now().isoformat()})
    json.dump(data, open(path, 'w'), ensure_ascii=False, indent=2)
    print(f'已添加备忘录 #{next_id}')

elif action == 'list':
    if not data:
        print('暂无备忘录')
    else:
        for m in data:
            ts = m.get('created_at', '?')[:16]
            print(f"#{m['id']} [{ts}] {m['content']}")

elif action == 'delete':
    if not memo_id:
        print('请提供 id 参数')
        sys.exit(1)
    new = [m for m in data if str(m.get('id', '')) != str(memo_id)]
    if len(new) == len(data):
        print(f'未找到备忘 #{memo_id}')
    else:
        json.dump(new, open(path, 'w'), ensure_ascii=False, indent=2)
        print(f'已删除备忘 #{memo_id}')

else:
    print(f'未知操作: {action}（支持: add, list, delete）')
    sys.exit(1)
PYEOF