# app_audit audit.dspy - 审计日志 API
# 查看/备份/删除 仅 owner.audit 角色（审计独立性：superuser 也无权访问）
# action: list / backup / delete

_dbname = get_module_dbname('app_audit')

user_id = await get_user()
if not user_id:
    return json.dumps({'ok': False, 'error': '未登录'}, ensure_ascii=False)

action = (params_kw or {}).get('action', 'list')

from app_audit.audit_service import (
    is_audit_role, list_audit_logs, backup_audit_logs, delete_audit_logs,
)

# 查 username 和 client_ip
username = user_id
try:
    async with get_sor_context(request._run_ns, _dbname) as _sor:
        _u = await _sor.sqlExe("SELECT username FROM users WHERE id=${u}$", {'u': user_id})
        if _u:
            username = getattr(_u[0], 'username', user_id) or user_id
except Exception:
    pass

client_ip = ''
try:
    client_ip = request.get('client_ip', '') or ''
except Exception:
    pass

# 权限校验：所有 action 仅 owner.audit（superuser 也不行）
async with get_sor_context(request._run_ns, _dbname) as _sor:
    if not await is_audit_role(_sor, user_id):
        return json.dumps({'ok': False, 'error': '仅 owner.audit 角色可访问审计日志'}, ensure_ascii=False)

if action == 'list':
    filters = {
        'user_id': (params_kw or {}).get('user_id', ''),
        'username': (params_kw or {}).get('username', ''),
        'action': (params_kw or {}).get('act', ''),
        'from': (params_kw or {}).get('from', ''),
        'to': (params_kw or {}).get('to', ''),
    }
    page = (params_kw or {}).get('page', 1)
    rows = (params_kw or {}).get('rows', 60)
    try:
        async with get_sor_context(request._run_ns, _dbname) as sor:
            r = await list_audit_logs(sor, filters, page, rows)
        return json.dumps(r, ensure_ascii=False)
    except Exception as e:
        return json.dumps({'ok': False, 'error': str(e)}, ensure_ascii=False)

elif action == 'backup':
    bfilters = {
        'user_id': (params_kw or {}).get('user_id', ''),
        'username': (params_kw or {}).get('username', ''),
        'action': (params_kw or {}).get('act', ''),
        'from': (params_kw or {}).get('from', ''),
        'to': (params_kw or {}).get('to', ''),
    }
    blimit = (params_kw or {}).get('limit', 10000)
    try:
        async with get_sor_context(request._run_ns, _dbname) as sor:
            r = await backup_audit_logs(sor, user_id, username, bfilters, blimit, client_ip)
        return json.dumps(r, ensure_ascii=False)
    except Exception as e:
        return json.dumps({'ok': False, 'error': str(e)}, ensure_ascii=False)

elif action == 'delete':
    before = (params_kw or {}).get('before', '')
    try:
        async with get_sor_context(request._run_ns, _dbname) as sor:
            r = await delete_audit_logs(sor, user_id, username, before, client_ip)
        return json.dumps(r, ensure_ascii=False)
    except Exception as e:
        return json.dumps({'ok': False, 'error': str(e)}, ensure_ascii=False)

else:
    return json.dumps({'ok': False, 'error': '未知 action: ' + str(action)}, ensure_ascii=False)