package unity

import (
	"math/rand"
	"time"
)

// RandomId 生成32位随机id
func RandomId() string {
	const letterBytes = "abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
	rand.Seed(time.Now().UnixNano())
	b := make([]byte, 8)
	for i := range b {
		b[i] = letterBytes[rand.Intn(len(letterBytes))]
	}
	return string(b)
}
func RandomIds(lenght int) string {
	const letterBytes = "abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
	rand.Seed(time.Now().UnixNano())
	b := make([]byte, lenght)
	for i := range b {
		b[i] = letterBytes[rand.Intn(len(letterBytes))]
	}
	return string(b)
}

// RandomAppID 生成12位随机appid
func RandomAppID() string {
	const letterBytes = "0123456789"
	rand.Seed(time.Now().UnixNano())
	b := make([]byte, 12)
	for i := range b {
		b[i] = letterBytes[rand.Intn(len(letterBytes))]
	}
	return string(b)
}