using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace n5coredll
{
    class ObjectUtil {

        public static bool isNull(object obj) {
            if (obj == null || "".Equals(obj.ToString())) {
                return true;
            }
            return false;
        }

        public static TxnType getTxnType(String pTxnType) {
            switch (pTxnType) {
                case "SALE":
                    return TxnType.SALE;
                case "REFUND":
                    return TxnType.REFUND;
                default:
                    return TxnType.NONE;
            }
        }

        public static string getTxnTypeValue(TxnType pTxnType) {
            switch (pTxnType) {
                case TxnType.SALE:
                    return "SALE";
                case TxnType.REFUND:
                    return "REFUND";
                default:
                    return "";
            }
        }

        public static TxnStatus getTxnStatus(String pTxnStatus)
        {
            switch (pTxnStatus)
            {
                case "A":
                    return TxnStatus.Approved;
                case "P":
                    return TxnStatus.Confirming;
                case "V":
                    return TxnStatus.Voided;
                case "S":
                    return TxnStatus.Settled;
                default:
                    return TxnStatus.Failed;
            }
        }

        public static LoyaltyType getLoyaltyType(String pLoyalType) {
            switch (pLoyalType) {
                case "UP":
                    return LoyaltyType.UP;
                case "MT":
                    return LoyaltyType.MT;
                case "BK":
                    return LoyaltyType.BK;
                case "LM":
                    return LoyaltyType.LM;
                default:
                    return LoyaltyType.NONE;
            }
        }

        public static string getLoyaltyTypeValue(LoyaltyType pLoyalType) {
            switch (pLoyalType) {
                case LoyaltyType.UP:
                    return "UP";
                case LoyaltyType.MT:
                    return "MT";
                case LoyaltyType.BK:
                    return "BK";
                case LoyaltyType.LM:
                    return "LM";
                default:
                    return "";
            }
        }

        public static PaymentApp getPaymentApp(String pPaymentApp) {
            switch (pPaymentApp) {
                case "CC":
                    return PaymentApp.CC;
                case "QRC":
                    return PaymentApp.QRC;
                case "CPN":
                    return PaymentApp.CPN;
                case "AE":
                    return PaymentApp.AMEX;
                case "DC":
                    return PaymentApp.DC;
                case "FPS":
                    return PaymentApp.FPS;
                case "EPS":
                    return PaymentApp.EPS;
                case "OPS":
                    return PaymentApp.OPS;
                default:
                    return PaymentApp.NONE;
            }
        }

        public static string getPaymentAppValue(PaymentApp pPaymentApp) {
            switch (pPaymentApp) {
                case PaymentApp.CC:
                    return "CC";
                case PaymentApp.QRC:
                    return "QRC";
                case PaymentApp.CPN:
                    return "CPN";
                case PaymentApp.AMEX:
                    return "AE";
                case PaymentApp.DC:
                    return "DC";
                case PaymentApp.FPS:
                    return "FPS";
                case PaymentApp.EPS:
                    return "EPS";
                case PaymentApp.OPS:
                    return "OPS";
                default:
                    return "NONE";
            }
        }

        public static PaymentType getPaymentType(String pPaymentType) {
            switch (pPaymentType) {
                case "VC":
                    return PaymentType.VC;
                case "VC-QR":
                    return PaymentType.VC_QR;
                case "MC":
                    return PaymentType.MC;
                case "MC-QR":
                    return PaymentType.MC_QR;
                case "JCB":
                    return PaymentType.JCB;
                case "JCB-QR":
                    return PaymentType.JCB_QR;
                case "UP":
                    return PaymentType.UP;
                case "UP-QR":
                    return PaymentType.UP_QR;
                case "AE":
                    return PaymentType.AE;
                case "DC":
                    return PaymentType.DC;
                case "ALP":
                    return PaymentType.ALP;
                case "WCP":
                    return PaymentType.WCP;
                default:
                    return PaymentType.NONE;
            }
        }

        public static string getPaymentTypeValue(PaymentType pPaymentType) {
            switch (pPaymentType) {
                case PaymentType.VC:
                    return "VC";
                case PaymentType.VC_QR:
                    return "VC-QR";
                case PaymentType.MC:
                    return "MC";
                case PaymentType.MC_QR:
                    return "MC-QR";
                case PaymentType.JCB:
                    return "JCB";
                case PaymentType.JCB_QR:
                    return "JCB-QR";
                case PaymentType.UP:
                    return "UP";
                case PaymentType.UP_QR:
                    return "UP-QR";
                case PaymentType.AE:
                    return "AE";
                case PaymentType.DC:
                    return "DC";
                case PaymentType.ALP:
                    return "ALP";
                case PaymentType.WCP:
                    return "WCP";
                default:
                    return "";
            }
        }

        public static Byte[] ConvertFrom(string strTemp) {
            try {
                if (Convert.ToBoolean(strTemp.Length & 1))//数字的二进制码最后1位是1则为奇数
                {
                    strTemp = "0" + strTemp;//数位为奇数时前面补0
                }
                Byte[] aryTemp = new Byte[strTemp.Length / 2];
                for (int i = 0; i < (strTemp.Length / 2); i++) {
                    aryTemp[i] = (Byte)(((strTemp[i * 2] - '0') << 4) | (strTemp[i * 2 + 1] - '0'));
                }
                return aryTemp;//高位在前
            }
            catch { return null; }
        }

        public static Byte lrc(Byte[] datas) {
            byte tmp = 0;
            for (int i = 0; i < datas.Length; i++) {
                tmp ^= datas[i];
            }
            return tmp;
        }

        public static string bcd2Str(byte[] bytes) {
            Console.WriteLine("Execute bcd2Str!");

            StringBuilder temp = new StringBuilder();
            for (int i = 0; i < bytes.Length; i++) {
                int h = ((bytes[i] & 0xff) >> 4) + 48;
                temp.Append((char)h);
                int l = ((bytes[i] & 0x0f)) + 48;
                temp.Append((char)l);
            }
            return temp.ToString();
        }

        public static string desToHex(byte[] bytes) {
            StringBuilder sb = new StringBuilder("");
            for (int i = 0; i < bytes.Length; i++) {
                string st = string.Format("%02X", bytes[i]);
                sb.Append(st);
            }
            return sb.ToString();
        }
    }
}