# workspace_tree.dspy - 初始只返回根节点（无children），靠点击展开

import os

node_id = (params_kw or {}).get('id', '').strip()

uid = await get_user()
if not uid:
    uid = 'user-01'

dbname = get_module_dbname('pipeline-sdlc')

async with DBPools().sqlorContext(dbname) as sor:
    ws_dir, _ = await get_workspace_dir(sor, uid)

if not ws_dir or not os.path.isdir(ws_dir):
    if not node_id:
        return [{"id": "__root__", "parentid": "", "label": "📁 工作空间（不可用）", "path": ws_dir, "is_leaf": False}]
    return []

# 初始加载：只返回根节点
if not node_id:
    return [{
        "id": "__root__",
        "parentid": "",
        "label": "📁 " + os.path.basename(ws_dir),
        "path": ws_dir,
        "is_leaf": False
    }]

# 展开节点：__root__ 特殊处理，其余用相对路径
if node_id == '__root__':
    scan_path = ws_dir
    id_prefix = ''
else:
    scan_path = ws_dir + '/' + node_id
    id_prefix = node_id + '/'

if not os.path.isdir(scan_path):
    return []

items = []
try:
    entries = sorted(os.listdir(scan_path))
except Exception:
    return []

for name in entries:
    full = os.path.join(scan_path, name)
    if name.startswith('.') or name == '__pycache__':
        continue
    if os.path.isdir(full):
        # 叶子判定：目录下是否还有「可见」子目录（排除隐藏目录和 __pycache__，与下方扫描一致）。
        # 无可见子目录 → 叶子(不可展开)
        has_subdir = False
        try:
            for sub in os.listdir(full):
                if sub.startswith('.') or sub == '__pycache__':
                    continue
                if os.path.isdir(os.path.join(full, sub)):
                    has_subdir = True
                    break
        except Exception:
            pass
        items.append({
            "id": id_prefix + name,
            "parentid": node_id,
            "label": "📁 " + name,
            "path": full,
            "is_leaf": not has_subdir
        })

return items