package logic

import (
	"context"
	"errors"

	"juwan-backend/app/chat/rpc/internal/svc"
	"juwan-backend/app/chat/rpc/pb"

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

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

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

func (l *GetChatSessionsByIdLogic) GetChatSessionsById(in *pb.GetChatSessionsByIdReq) (*pb.GetChatSessionsByIdResp, error) {
	store := l.svcCtx.Store
	store.Mu.RLock()
	defer store.Mu.RUnlock()

	session, ok := store.Sessions[in.GetId()]
	if !ok {
		return nil, errors.New("session not found")
	}

	return &pb.GetChatSessionsByIdResp{ChatSessions: session}, nil
}