package mcp

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

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

// 搜索卡片 结构统一化输出
type SearchCard struct {
	Items []SearchItem `json:"items"`
}

// 搜索条目
type SearchItem struct {
	Title       string `json:"title"`
	Context     string `json:"context"`
	SiteName    string `json:"site_name"`
	PublishDate string `json:"publish_date"`
}

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

// 组件初始化接口
func (this *tool_bocha_search) 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_bocha_search) Start() (err error) {
	err = this.ModuleCompBase.Start()
	if this.module.AddTool(ToolGroup_CHINA, this.Tool(), this.Handl) {
		if err := bochasearch.OnInit(this.module.service.GetSettings().Sys["bochasearch"]); err != nil {
			panic(fmt.Sprintf("init sys.bochasearch err: %s", err.Error()))
		} else {
			log.Infof("init sys.bochasearch success!")
		}
	}
	return
}

func (this *tool_bocha_search) Tool() (tool mcp.Tool) {
	return mcp.NewTool("bocha_web_search",
		mcp.WithDescription("根据用户的搜索关键字,获取网络搜索结果"),
		mcp.WithString("query",
			mcp.Description("搜索内容 例如:今日热点新闻"),
			mcp.Required(),
		),
		mcp.WithNumber("count",
			mcp.Description("返回结果数量"),
			mcp.DefaultNumber(5),
			mcp.Min(1),
			mcp.Max(10),
		),
	)
}

// 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_bocha_search) Handl(ctx context.Context, request mcp.CallToolRequest) (result *mcp.CallToolResult, err error) {
	var (
		query   string
		count   int
		results *bochasearch.BochaResponse
		context string
	)
	this.module.Debug("tool_bocha_search",
		log.Field{Key: "request.Params.Arguments", Value: request.GetRawArguments()},
	)
	count = request.GetInt("count", 10)
	if query, err = request.RequireString("query"); err != nil {
		return
	}
	results, err = bochasearch.Search(ctx, query, "noLimit", count)
	if err != nil {
		context = "网络搜索失败"
		this.module.Debug("tool_bocha_search fail",
			log.Field{Key: "query", Value: query},
			log.Field{Key: "count", Value: count},
			log.Field{Key: "err", Value: err},
		)
		return
	} else {
		context = utils.ToString(results)
		this.module.Debug("tool_bocha_search success",
			log.Field{Key: "query", Value: query},
			log.Field{Key: "count", Value: count},
			log.Field{Key: "results size", Value: len(results.Messages)},
		)
	}
	result = &mcp.CallToolResult{
		Content: []mcp.Content{
			mcp.TextContent{
				Type: "text",
				Text: context,
			},
		},
	}
	return
}