"""批量切分辅助:对应 TS SDK 里订单 OID/快递单号、SDS 订单关键词的批量拆分。"""

from __future__ import annotations

import re

_MULTI_SEP = re.compile(r"[,，\s\n\r]+")


def parse_id_text(text: str) -> list[str]:
    """把逗号/空白/换行分隔的字符串解析为去重的 ID 列表(RIIN 用)。"""
    items = _MULTI_SEP.split(text or "")
    seen: dict[str, None] = {}
    for item in items:
        item = item.strip()
        if item and item not in seen:
            seen[item] = None
    return list(seen.keys())


def split_lines(text: str) -> list[str]:
    """把换行分隔的字符串解析为去重的列表(SDS 订单号 keywords 用)。"""
    items = re.split(r"[\n\r]+", text or "")
    seen: dict[str, None] = {}
    for item in items:
        item = item.strip()
        if item and item not in seen:
            seen[item] = None
    return list(seen.keys())


def chunk(items: list[str], size: int) -> list[list[str]]:
    """把列表按 size 切成多批。"""
    if not items:
        return []
    return [items[i : i + size] for i in range(0, len(items), size)]