package logic

//登录回调
import (
	"encoding/json"
	"fusenapi/constants"
	"fusenapi/utils/auth"
	"fusenapi/utils/basic"
	"fusenapi/utils/encryption_decryption"
	"fusenapi/utils/websocket_data"
	"time"

	"context"

	"fusenapi/server/websocket/internal/svc"
	"fusenapi/server/websocket/internal/types"

	"github.com/zeromicro/go-zero/core/logx"
)

type LoginNotifyLogic struct {
	logx.Logger
	ctx    context.Context
	svcCtx *svc.ServiceContext
}

func NewLoginNotifyLogic(ctx context.Context, svcCtx *svc.ServiceContext) *LoginNotifyLogic {
	return &LoginNotifyLogic{
		Logger: logx.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx,
	}
}

// 处理进入前逻辑w,r
// func (l *LoginNotifyLogic) BeforeLogic(w http.ResponseWriter, r *http.Request) {
// }

func (l *LoginNotifyLogic) LoginNotify(req *types.LoginNotifyReq, userinfo *auth.UserInfo) (resp *basic.Response) {
	if req.Data == "" {
		return resp.SetStatusWithMessage(basic.CodeRequestParamsErr, "data is empty")
	}
	//解密数据
	data, err := encryption_decryption.CBCDecrypt(req.Data)
	if err != nil {
		logx.Error("解密失败:", err)
		return resp.SetStatusWithMessage(basic.CodeServiceErr, "invalid data ")
	}
	//真正的数据结构
	var parseInfo websocket_data.NotifyData
	if err = json.Unmarshal([]byte(data), &parseInfo); err != nil {
		logx.Error("failed to parse json data:", err)
		return resp.SetStatusWithMessage(basic.CodeServiceErr, "invalid format of parse data")
	}
	//websocket连接id不能为空
	if parseInfo.WebsocketConnectId == "" {
		return resp.SetStatusWithMessage(basic.CodeServiceErr, "websocket connect id is empty")
	}
	now := time.Now().UTC().Unix()
	//请求时间前后20秒都会失效
	if parseInfo.RequestTime < now-20 || parseInfo.RequestTime > now+20 {
		return resp.SetStatusWithMessage(basic.CodeServiceErr, "invalid data ,time is not in allowed range")
	}
	//查询websocket连接
	value, ok := mapConnPool.Load(parseInfo.WebsocketConnectId)
	if !ok {
		return resp.SetStatusWithMessage(basic.CodeOK, "success,but connection is not found")
	}
	//断言连接
	ws, ok := value.(wsConnectItem)
	if !ok {
		logx.Error("渲染回调断言websocket连接失败")
		return resp.SetStatusWithMessage(basic.CodeServiceErr, "断言连接错误")
	}
	//发送消息到出口缓冲池
	ws.sendToOutChan(ws.respondDataFormat(constants.WEBSOCKET_LOGIN_NOTIFY, parseInfo.Data))
	return resp.SetStatusWithMessage(basic.CodeOK, "success")
}

// 处理逻辑后 w,r 如:重定向, resp 必须重新处理
// func (l *LoginNotifyLogic) AfterLogic(w http.ResponseWriter, r *http.Request, resp *basic.Response) {
// // httpx.OkJsonCtx(r.Context(), w, resp)
// }