package sega.a7;

import javacard.framework.Util;

public class CommandServer {
    private Command m_ee_noCommand = null;
    private Command[] m_ee_list = new Command[4];
    private short m_ee_listCount = 0;

    public void setNoCommand(Command cmdClass) {
        this.m_ee_noCommand = cmdClass;
    }

    public void attachCommand(Command cmdClass) {
        if (this.m_ee_listCount >= this.m_ee_list.length) {
            Command[] ee_tmpCommand = new Command[this.m_ee_list.length * 2];
            for (short ii = 0; ii < this.m_ee_list.length; ii++)
                ee_tmpCommand[ii] = this.m_ee_list[ii];
            this.m_ee_list = ee_tmpCommand;
        }
        this.m_ee_list[this.m_ee_listCount++] = cmdClass;
    }

    public short findCommand(short cmd) {
        for (short ramD_ii = 0; ramD_ii < this.m_ee_listCount; ramD_ii++) {
            if (this.m_ee_list[ramD_ii].getCmd_ee() == cmd)
                return ramD_ii;
        }
        return -1;
    }

    public boolean select() {
        boolean ramD_bRet = true;
        for (short ramD_ii = 0; ramD_ii < this.m_ee_listCount; ramD_ii++) {
            if (!this.m_ee_list[ramD_ii].select())
                ramD_bRet = false;
        }
        return ramD_bRet;
    }

    public short execute(byte[] data, short dataOffset, short dataLength, byte[] dst, short dstOffset,
            short dstLength) {
        short ramD_cmd = -1;
        if (6 <= dataLength)
            ramD_cmd = Util.getShort(data, (short) (dataOffset + AppConfig.A7_COMMAND_OFFSET));

        short damD_list = findCommand(ramD_cmd);
        if (damD_list >= 0)
            return this.m_ee_list[damD_list].execute(data, dataOffset, dataLength, dst, dstOffset, dstLength);

        if (this.m_ee_noCommand == null)
            return -1;
        return this.m_ee_noCommand.execute(data, ramD_cmd, dataLength, dst, dstOffset, dstLength);
    }
}