package system

import (
	"context"
	"time"

	"github.com/modelcontextprotocol/go-sdk/mcp"
)

// registerPing 注册 ping 工具：无参数健康检查，返回 pong 与服务器时间。
func registerPing(s *mcp.Server) {
	mcp.AddTool(s, &mcp.Tool{
		Name:        "ping",
		Description: "健康检查。返回 pong 与服务器当前时间，用于确认 aio-mcp 连接正常。",
	}, func(_ context.Context, _ *mcp.CallToolRequest, _ struct{}) (*mcp.CallToolResult, any, error) {
		return &mcp.CallToolResult{
			Content: []mcp.Content{
				&mcp.TextContent{Text: "pong " + time.Now().Format(time.RFC3339)},
			},
		}, nil, nil
	})
}