from langchain.tools import tool
from .base_tool import call_csharp_api, get_tool_prompt
from typing import Optional


def get_cust_info_default_config():
    """get_cust_info 工具的默认配置"""
    return {
        "get_cust_info": {
            "基础描述": "获取指定客户的详细信息",
            "入参说明": {
                "backend_url": "后端API地址",
                "token": "认证令牌",
                "cusname": "客户名称",
            },
            "返回值说明": {"格式": "一个包含客户信息的字符串"},
            "输出格式要求": [
                "**客户:**{cusname}",
                "**性质:**{state}",
                "**地区:**{areaname}",
                "**业务员:**{custype}",
                "**联系人:**{rep}",
                "**联系方式:**{contact}",
                "**地址:**{address}",
                "**常购型号**",
                "| 型号 | 产品名称 |  单位  |  近6个月采购量  |  上月采购量  |",
                "| :--- | :--- | :--- | :--- | :--- |",
                "| mtrlcode      | mtrlname   |   unit   |   saleqty_halfyear   |  saleqty_lastmonth  |",
            ],
            "使用示例": "查一下客户 南华家具",
        }
    }


tool_description = get_tool_prompt("get_cust_info", get_cust_info_default_config())


def get_cust_info_func(
    backend_url: str,
    token: str,
    cusname: str = "",
) -> str:
    """实际的函数实现"""
    print(f"正在获取客户信息{cusname}")

    return call_csharp_api(
        backend_url,
        token,
        "cust_data_ai",
        "get_cust_info",
        {"arg_cusname": cusname},
    )


get_cust_info_func.__doc__ = tool_description
get_cust_info = tool(get_cust_info_func)