package tools

import (
	"context"
	"encoding/json"
	"fmt"

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

	"fwh-toolbox-server/dto"
	"fwh-toolbox-server/services"
)

func RegisterSiteInfoTools(s *server.MCPServer) {
	// Tool: 查询站点信息
	s.AddTool(
		mcp.NewTool("query_site_info",
			mcp.WithDescription("查询单个站点设备的详细信息，包括版本、网络状态、激活状态、固件、SN 等"),
			mcp.WithString("sn", mcp.Required(), mcp.Description("站点 SN 序列号")),
		),
		handleQuerySiteInfo,
	)

	// Tool: 搜索站点列表
	s.AddTool(
		mcp.NewTool("search_sites",
			mcp.WithDescription("搜索站点设备列表，支持分页和关键字搜索"),
			mcp.WithNumber("page", mcp.Description("页码，从1开始，默认1")),
			mcp.WithNumber("size", mcp.Description("每页数量，默认10")),
			mcp.WithString("keyword", mcp.Description("搜索关键字（匹配 SN、设备名）")),
		),
		handleSearchSites,
	)
}

func handleQuerySiteInfo(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallToolResult, error) {
	sn, err := req.RequireString("sn")
	if err != nil {
		return mcp.NewToolResultError("参数 sn 必填"), nil
	}

	data, err := services.GetSiteInfoData(sn)
	if err != nil {
		return mcp.NewToolResultError(fmt.Sprintf("查询失败: %v", err)), nil
	}

	jsonBytes, _ := json.MarshalIndent(data, "", "  ")
	return mcp.NewToolResultText(string(jsonBytes)), nil
}

func handleSearchSites(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallToolResult, error) {
	page := uint(req.GetFloat("page", 1))
	size := uint(req.GetFloat("size", 10))
	keyword := req.GetString("keyword", "")

	param := dto.SiteInfoRequest{
		PageNum:  page,
		PageSize: size,
		Search:   keyword,
	}

	data, err := services.QuerySiteInfoDataList(param)
	if err != nil {
		return mcp.NewToolResultError(fmt.Sprintf("搜索失败: %v", err)), nil
	}

	jsonBytes, _ := json.MarshalIndent(data, "", "  ")
	return mcp.NewToolResultText(string(jsonBytes)), nil
}