package com.sunyard.sge.database;

import com.sunyard.sge.EntityCache;

import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class SydApiSM4 {

    private SydApi4Database api;
    //    private phHandle
    byte[] pcData;
    int iDataLen;
    String[] pcOutData;
    //多余出的字节长度
    int piOutDataLen;
    int key;
    int endeFlag;
    int ret = 0, i = 0;
    int decloopnum = 0;
    //    int tmpdatalen = MAX_LIN * 8;
    int alltmpdatalen = 0;
    EntityCache entityCache = new EntityCache();
    int k = 0;
    byte[] bytes = new byte[k];
    ByteBuffer byteBuffer;



    public SydApiSM4(SydApi4Database api, int key, int endeFlag) {
        this.api = api;
        this.key = key;
        this.endeFlag = endeFlag;
    }

    public byte[] update(int iKeyIndex, byte[] pcData, int iPkgNum, int iFlag) {
        int plength = pcData.length;
        byte[] pcDatas = pcData;
        if (piOutDataLen == 0) {
            if (iFlag == 1) {
                if (plength < 16) {
                    int falg = piOutDataLen;
                    piOutDataLen += plength;
                    bytes = new byte[piOutDataLen];
                    System.arraycopy(pcData,0,bytes,falg,pcData.length);
                    throw new IllegalArgumentException();
                }
                int index = plength % 16;
                int findex = plength - index;
                if (index != 0) {
                    pcDatas = Arrays.copyOf(pcData, findex);
                    int falg = piOutDataLen;
                    piOutDataLen += plength-findex;
                    bytes = new byte[piOutDataLen];
                    System.arraycopy(pcData,findex,bytes,falg,plength-findex);
                }
                byte[] bytes = api.SYD_SM4_LongData(iKeyIndex, pcDatas, iPkgNum, iFlag);
                return bytes;
            } else {

            }

        } else {
            int combinationLength = piOutDataLen+ plength;
            if (iFlag==1){
                if (combinationLength<16){
                    piOutDataLen = piOutDataLen+combinationLength;
                    int falg = piOutDataLen;
                    bytes = new byte[piOutDataLen];

                    throw new IllegalArgumentException();
                }
            }
        }


//        byte[] bytes = api.SYD_SM4_LongData(iKeyIndex, pcData, iPkgNum, iFlag);

        return null;
    }

//
//    public finish(){
//        api.SYD_SM4_LongData();
//    }

}