package mq

import (
	"fmt"

	"gitlink.org.cn/cloudream/common/consts/errorcode"
	"gitlink.org.cn/cloudream/common/pkgs/mq"
	clitypes "gitlink.org.cn/cloudream/jcs-pub/client/types"
	agtmq "gitlink.org.cn/cloudream/jcs-pub/common/pkgs/mq/hub"
)

func (svc *Service) CheckCache(msg *agtmq.CheckCache) (*agtmq.CheckCacheResp, *mq.CodeMessage) {
	store, err := svc.stgPool.GetShardStore(&msg.UserSpace)
	if err != nil {
		return nil, mq.Failed(errorcode.OperationFailed, fmt.Sprintf("get shard store of user space %v: %v", msg.UserSpace, err))
	}

	infos, err := store.ListAll()
	if err != nil {
		return nil, mq.Failed(errorcode.OperationFailed, fmt.Sprintf("listting file in shard store: %v", err))
	}

	var fileHashes []clitypes.FileHash
	for _, info := range infos {
		fileHashes = append(fileHashes, info.Hash)
	}

	return mq.ReplyOK(agtmq.NewCheckCacheResp(fileHashes))
}

func (svc *Service) CacheGC(msg *agtmq.CacheGC) (*agtmq.CacheGCResp, *mq.CodeMessage) {
	store, err := svc.stgPool.GetShardStore(&msg.UserSpace)
	if err != nil {
		return nil, mq.Failed(errorcode.OperationFailed, fmt.Sprintf("get shard store of user space %v: %v", msg.UserSpace, err))
	}

	err = store.GC(msg.Avaiables)
	if err != nil {
		return nil, mq.Failed(errorcode.OperationFailed, fmt.Sprintf("purging cache: %v", err))
	}

	return mq.ReplyOK(agtmq.RespCacheGC())
}