package utils

import (
	"time"

	"github.com/bwmarrin/snowflake"
)

var node *snowflake.Node

func InitSnowflake(st time.Time, machineID int64) (err error) {
	snowflake.Epoch = st.UnixNano() / 1e6
	node, err = snowflake.NewNode(machineID)

	return
}

// 生成 64 位的 雪花 ID
func GenID() int64 {
	return node.Generate().Int64()
}