package mcp

import (
	"context"
	"yunyan/lego/core"
	"yunyan/lego/core/cbase"
	"yunyan/lego/sys/log"
	"yunyan/sys/googlemap"
	"yunyan/utils"
	"fmt"

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

// 天气查询
type tool_google_map_geocode struct {
	cbase.ModuleCompBase
	module *Mcp
}

// 组件初始化接口
func (this *tool_google_map_geocode) Init(service core.IService, module core.IModule, comp core.IModuleComp, opt core.IModuleOptions) (err error) {
	this.ModuleCompBase.Init(service, module, comp, opt)
	this.module = module.(*Mcp)
	return
}
func (this *tool_google_map_geocode) Start() (err error) {
	err = this.ModuleCompBase.Start()
	if this.module.AddTool(ToolGroup_OVERSEAS, this.Tool(), this.Handl) {
		if err := googlemap.OnInit(this.module.service.GetSettings().Sys["googlemap"]); err != nil {
			panic(fmt.Sprintf("init sys.googlemap err: %s", err.Error()))
		} else {
			log.Infof("init sys.googlemap success!")
		}
	}
	return
}
func (this *tool_google_map_geocode) Tool() (tool mcp.Tool) {
	return mcp.NewTool("google_map_geocode",
		mcp.WithDescription("将详细的结构化地址转换为经纬度坐标,支持地标性的名胜景区和建筑名称解析为经纬度坐标"),
		mcp.WithString("address",
			mcp.Description("要逆地理编码的地址,比如:香港西九龙站"),
			mcp.Required(),
		),
	)
}

// Handl 工具处理接口
// 参数:
//   - ctx: 上下文
//   - request: MCP 工具调用请求
//
// 返回值:
//   - result: MCP 工具调用结果
//   - err: 处理过程中的错误
//
// 异常:
//   - 无（不主动 panic）
func (this *tool_google_map_geocode) Handl(ctx context.Context, request mcp.CallToolRequest) (result *mcp.CallToolResult, err error) {
	var (
		address string
		context string
	)
	this.module.Debug("tool_google_map_geocode",
		log.Field{Key: "request.Params.Arguments", Value: request.GetRawArguments()},
	)
	if address, err = request.RequireString("address"); err != nil || address == "" {
		err = fmt.Errorf("必要参数:address丢失")
		context = "获取目标地址失败"
		return
	}
	georesult, err := googlemap.Geocode(address)

	if err != nil {
		context = "地址解析失败"
		this.module.Debug("tool_google_map_geocode fail",
			log.Field{Key: "address", Value: address},
			log.Field{Key: "georesult", Value: georesult},
			log.Field{Key: "err", Value: err},
		)
		return
	} else {
		context = utils.ToString(georesult)
		this.module.Debug("tool_google_map_geocode success",
			log.Field{Key: "address", Value: address},
			log.Field{Key: "georesult", Value: georesult},
		)
	}
	result = &mcp.CallToolResult{
		Content: []mcp.Content{
			mcp.TextContent{
				Type: "text",
				Text: context,
			},
		},
	}
	return
}