FranklinWH-Toolbox/service/cmd/mcp/tools/helper/helper.go

package helper

import (
	"encoding/json"
	"fmt"

	"github.com/mark3labs/mcp-go/mcp"
)

// JSONResult 将任意数据序列化为 JSON 文本返回
func JSONResult(data any) *mcp.CallToolResult {
	bytes, err := json.MarshalIndent(data, "", "  ")
	if err != nil {
		return mcp.NewToolResultError(fmt.Sprintf("序列化失败: %v", err))
	}
	return mcp.NewToolResultText(string(bytes))
}

// TextResult 直接返回文本
func TextResult(text string) *mcp.CallToolResult {
	return mcp.NewToolResultText(text)
}

// ParamError 参数缺失错误
func ParamError(name string) *mcp.CallToolResult {
	return mcp.NewToolResultError(fmt.Sprintf("参数 %s 必填", name))
}

// ParamInvalidError 参数格式错误
func ParamInvalidError(name string, detail string) *mcp.CallToolResult {
	return mcp.NewToolResultError(fmt.Sprintf("参数 %s 格式错误: %s", name, detail))
}

// ServiceError 业务调用错误
func ServiceError(action string, err error) *mcp.CallToolResult {
	return mcp.NewToolResultError(fmt.Sprintf("%s失败: %v", action, err))
}

// EmptyResult 空结果
func EmptyResult(msg string) *mcp.CallToolResult {
	return mcp.NewToolResultText(msg)
}