package inference

import (
	"context"
	"errors"

	"gitlink.org.cn/JointCloud/pcm-coordinator/internal/svc"
	"gitlink.org.cn/JointCloud/pcm-coordinator/internal/types"

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

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

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

func (l *DeployInstanceStatLogic) DeployInstanceStat(req *types.DeployInstanceStatReq) (resp *types.DeployInstanceStatResp, err error) {
	resp = &types.DeployInstanceStatResp{}

	total, err := l.svcCtx.Scheduler.AiStorages.GetInferDeployInstanceTotalNum()
	if err != nil {
		return nil, err
	}

	running, err := l.svcCtx.Scheduler.AiStorages.GetInferDeployInstanceRunningNum()
	if err != nil {
		return nil, err
	}

	if total == 0 {
		return nil, errors.New("get statistics failed")
	}

	resp.Total = total
	resp.Running = running
	return resp, nil
}