package accesstoken

import (
	"context"

	"gitlink.org.cn/cloudream/common/consts/errorcode"
	stgglb "gitlink.org.cn/cloudream/jcs-pub/common/globals"
	"gitlink.org.cn/cloudream/jcs-pub/common/pkgs/accesstoken"
	corrpc "gitlink.org.cn/cloudream/jcs-pub/common/pkgs/rpc/coordinator"
	cortypes "gitlink.org.cn/cloudream/jcs-pub/coordinator/types"
)

type ExitEvent = accesstoken.ExitEvent

type CacheKey = accesstoken.CacheKey

type Cache struct {
	localHubID cortypes.HubID
	*accesstoken.Cache
}

func New(localHubID cortypes.HubID) *Cache {
	c := &Cache{
		localHubID: localHubID,
	}
	c.Cache = accesstoken.New(c.load)

	return c
}

func (c *Cache) load(key accesstoken.CacheKey) (cortypes.UserAccessToken, error) {
	corCli := stgglb.CoordinatorRPCPool.Get()
	defer corCli.Release()

	tokenResp, cerr := corCli.HubLoadAccessToken(context.Background(), &corrpc.HubLoadAccessToken{
		UserID:  key.UserID,
		TokenID: key.TokenID,
		HubID:   c.localHubID,
	})
	if cerr != nil {
		if cerr.Code == errorcode.DataNotFound {
			return cortypes.UserAccessToken{}, accesstoken.ErrTokenNotFound
		}

		return cortypes.UserAccessToken{}, cerr.ToError()
	}

	return tokenResp.Token, nil
}