package mycrypto

import (
	"service/library/configcenter"
	"service/library/logger"
	"sync"
)

var (
	instance *CryptoService
	once     sync.Once
)

func CryptoServiceInstance() *CryptoService {
	once.Do(func() {
		instance = &CryptoService{}
	})
	return instance
}

type CryptoService struct {
	RSA            *RsaCrypto
	AES            *AesCrypto
	SHA256         *Sha256Crypto
	HygSHA1WithRSA *SHAwithRSACrypto
	HygAES         *AesEcbCrypto
	MD5            *Md5Crypto
}

func (cryptoService *CryptoService) Init(cryptoConfig *configcenter.CryptoConfig) (err error) {
	if cryptoService.RSA, err = NewRsaCrypto(cryptoConfig); err != nil {
		logger.Error("Init RSA Service failed! err:%v", err)
		return
	}

	if cryptoService.AES, err = NewAesCrypto(cryptoConfig); err != nil {
		logger.Error("Init AES Service failed! err:%v", err)
		return
	}

	if cryptoService.SHA256, err = NewSha256Crypto(cryptoConfig); err != nil {
		logger.Error("Init SHA256 Service failed! err:%v", err)
		return
	}

	if cryptoService.HygSHA1WithRSA, err = NewSHAwithRSACryptoFromString(cryptoConfig.HygRSAPrivateKey); err != nil {
		logger.Error("Init HYG SHAwithRSA Service failed! err:%v", err)
		return
	}

	if cryptoService.HygAES, err = NewAesEcbCryptoFromString(cryptoConfig.HygAESPrivateKey); err != nil {
		logger.Error("Init HYG AES Service failed! err:%v", err)
		return
	}

	cryptoService.MD5 = NewMd5Crypto()

	return
}