package data

import (
	"context"
	"fmt"
	"strconv"

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

	"fwh-toolbox-server/cmd/mcp/tools/helper"
	"fwh-toolbox-server/repositories"
)

func registerEmsparaTools(s *server.MCPServer) {
	s.AddTool(
		mcp.NewTool("data_emspara_vid_info",
			mcp.WithDescription("查询 EMS 参数 VID 信息（通过 VID ID 获取宏名和描述）"),
			mcp.WithString("id", mcp.Required(), mcp.Description("VID ID（数字）")),
		),
		handleEmsparaVidInfo,
	)

	s.AddTool(
		mcp.NewTool("data_emspara_pid_info",
			mcp.WithDescription("查询 EMS 参数 PID 信息（通过 PID ID 获取宏名和描述）"),
			mcp.WithString("id", mcp.Required(), mcp.Description("PID ID（数字）")),
		),
		handleEmsparaPidInfo,
	)
}

func handleEmsparaVidInfo(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallToolResult, error) {
	idStr, err := req.RequireString("id")
	if err != nil {
		return helper.ParamError("id"), nil
	}

	id, err := strconv.ParseUint(idStr, 10, 64)
	if err != nil {
		return helper.ParamInvalidError("id", "必须是数字"), nil
	}

	name, desc, err := repositories.GetEmsparaVidInfo(uint(id))
	if err != nil {
		return helper.EmptyResult(fmt.Sprintf("未找到 VID %d 的信息: %v", id, err)), nil
	}

	return helper.JSONResultOrFileAuto(map[string]any{
		"id":          id,
		"type":        "VID",
		"macro_name":  name,
		"description": desc,
	}), nil
}

func handleEmsparaPidInfo(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallToolResult, error) {
	idStr, err := req.RequireString("id")
	if err != nil {
		return helper.ParamError("id"), nil
	}

	id, err := strconv.ParseUint(idStr, 10, 64)
	if err != nil {
		return helper.ParamInvalidError("id", "必须是数字"), nil
	}

	name, desc, err := repositories.GetEmsparaPidInfo(uint(id))
	if err != nil {
		return helper.EmptyResult(fmt.Sprintf("未找到 PID %d 的信息: %v", id, err)), nil
	}

	return helper.JSONResultOrFileAuto(map[string]any{
		"id":          id,
		"type":        "PID",
		"macro_name":  name,
		"description": desc,
	}), nil
}