"""附件上传 bizType 与 MinIO 目录映射（对齐原 CRM oss 上传语义）"""
from __future__ import annotations

# bizType → MinIO 相对目录（folder 未传时使用）
BIZ_TYPE_DEFAULT_FOLDER: dict[str, str] = {
    "crm_contract_attachment": "crm/contract",
    "crm_contract_price_letter": "crm/contract/price-letter",
    "crm_contract_file": "crm/contract",
    "crm_quote_attachment": "crm/quote",
    "crm_customer_follow_attachment": "crm/customer/follow",
    "crm_opportunity_follow_attachment": "crm/opportunity/follow",
    "crm_clue_follow_attachment": "crm/clue/follow",
    "advance": "bx/advance",
    "reimburse_apply": "bx/reimburse",
    "advance_issue": "bx/advance-issue",
    "db_inventory_site_feedback": "db/inventory_site",
    "pl_transport_feedback": "pl/transport_feedback",
}


def resolve_upload_folder(*, folder: str = "", biz_type: str = "") -> str:
    """优先使用显式 folder；否则按 bizType 映射默认目录。"""
    explicit = (folder or "").strip()
    if explicit:
        return explicit
    return BIZ_TYPE_DEFAULT_FOLDER.get((biz_type or "").strip(), "")