/**
 * This class file was automatically generated by jASN1 v1.9.0 (http://www.openmuc.org)
 */

package org.openmuc.openiec61850.internal.mms.asn1;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.openmuc.jasn1.ber.BerLength;
import org.openmuc.jasn1.ber.BerTag;
import org.openmuc.jasn1.ber.ReverseByteArrayOutputStream;

public class VariableDefs implements Serializable {

    private static final long serialVersionUID = 1L;

    public static class SEQUENCE implements Serializable {

        private static final long serialVersionUID = 1L;

        public static final BerTag tag = new BerTag(BerTag.UNIVERSAL_CLASS, BerTag.CONSTRUCTED, 16);

        public byte[] code = null;
        private VariableSpecification variableSpecification = null;
        private AlternateAccess alternateAccess = null;

        public SEQUENCE() {
        }

        public SEQUENCE(byte[] code) {
            this.code = code;
        }

        public void setVariableSpecification(VariableSpecification variableSpecification) {
            this.variableSpecification = variableSpecification;
        }

        public VariableSpecification getVariableSpecification() {
            return variableSpecification;
        }

        public void setAlternateAccess(AlternateAccess alternateAccess) {
            this.alternateAccess = alternateAccess;
        }

        public AlternateAccess getAlternateAccess() {
            return alternateAccess;
        }

        public int encode(OutputStream os) throws IOException {
            return encode(os, true);
        }

        public int encode(OutputStream os, boolean withTag) throws IOException {

            if (code != null) {
                for (int i = code.length - 1; i >= 0; i--) {
                    os.write(code[i]);
                }
                if (withTag) {
                    return tag.encode(os) + code.length;
                }
                return code.length;
            }

            int codeLength = 0;
            if (alternateAccess != null) {
                codeLength += alternateAccess.encode(os, false);
                // write tag: CONTEXT_CLASS, CONSTRUCTED, 5
                os.write(0xA5);
                codeLength += 1;
            }

            codeLength += variableSpecification.encode(os);

            codeLength += BerLength.encodeLength(os, codeLength);

            if (withTag) {
                codeLength += tag.encode(os);
            }

            return codeLength;

        }

        public int decode(InputStream is) throws IOException {
            return decode(is, true);
        }

        public int decode(InputStream is, boolean withTag) throws IOException {
            int codeLength = 0;
            int subCodeLength = 0;
            BerTag berTag = new BerTag();

            if (withTag) {
                codeLength += tag.decodeAndCheck(is);
            }

            BerLength length = new BerLength();
            codeLength += length.decode(is);

            int totalLength = length.val;
            codeLength += totalLength;

            subCodeLength += berTag.decode(is);
            variableSpecification = new VariableSpecification();
            subCodeLength += variableSpecification.decode(is, berTag);
            if (subCodeLength == totalLength) {
                return codeLength;
            }
            subCodeLength += berTag.decode(is);

            if (berTag.equals(BerTag.CONTEXT_CLASS, BerTag.CONSTRUCTED, 5)) {
                alternateAccess = new AlternateAccess();
                subCodeLength += alternateAccess.decode(is, false);
                if (subCodeLength == totalLength) {
                    return codeLength;
                }
            }
            throw new IOException("Unexpected end of sequence, length tag: " + totalLength
                    + ", actual sequence length: " + subCodeLength);

        }

        public void encodeAndSave(int encodingSizeGuess) throws IOException {
            ReverseByteArrayOutputStream os = new ReverseByteArrayOutputStream(encodingSizeGuess);
            encode(os, false);
            code = os.getArray();
        }

        @Override
        public String toString() {
            StringBuilder sb = new StringBuilder();
            appendAsString(sb, 0);
            return sb.toString();
        }

        public void appendAsString(StringBuilder sb, int indentLevel) {

            sb.append("{");
            sb.append("\n");
            for (int i = 0; i < indentLevel + 1; i++) {
                sb.append("\t");
            }
            if (variableSpecification != null) {
                sb.append("variableSpecification: ");
                variableSpecification.appendAsString(sb, indentLevel + 1);
            }
            else {
                sb.append("variableSpecification: <empty-required-field>");
            }

            if (alternateAccess != null) {
                sb.append(",\n");
                for (int i = 0; i < indentLevel + 1; i++) {
                    sb.append("\t");
                }
                sb.append("alternateAccess: ");
                alternateAccess.appendAsString(sb, indentLevel + 1);
            }

            sb.append("\n");
            for (int i = 0; i < indentLevel; i++) {
                sb.append("\t");
            }
            sb.append("}");
        }

    }

    public static final BerTag tag = new BerTag(BerTag.UNIVERSAL_CLASS, BerTag.CONSTRUCTED, 16);
    public byte[] code = null;
    private List<SEQUENCE> seqOf = null;

    public VariableDefs() {
        seqOf = new ArrayList<>();
    }

    public VariableDefs(byte[] code) {
        this.code = code;
    }

    public List<SEQUENCE> getSEQUENCE() {
        if (seqOf == null) {
            seqOf = new ArrayList<>();
        }
        return seqOf;
    }

    public int encode(OutputStream os) throws IOException {
        return encode(os, true);
    }

    public int encode(OutputStream os, boolean withTag) throws IOException {

        if (code != null) {
            for (int i = code.length - 1; i >= 0; i--) {
                os.write(code[i]);
            }
            if (withTag) {
                return tag.encode(os) + code.length;
            }
            return code.length;
        }

        int codeLength = 0;
        for (int i = (seqOf.size() - 1); i >= 0; i--) {
            codeLength += seqOf.get(i).encode(os, true);
        }

        codeLength += BerLength.encodeLength(os, codeLength);

        if (withTag) {
            codeLength += tag.encode(os);
        }

        return codeLength;
    }

    public int decode(InputStream is) throws IOException {
        return decode(is, true);
    }

    public int decode(InputStream is, boolean withTag) throws IOException {
        int codeLength = 0;
        int subCodeLength = 0;
        if (withTag) {
            codeLength += tag.decodeAndCheck(is);
        }

        BerLength length = new BerLength();
        codeLength += length.decode(is);
        int totalLength = length.val;

        while (subCodeLength < totalLength) {
            SEQUENCE element = new SEQUENCE();
            subCodeLength += element.decode(is, true);
            seqOf.add(element);
        }
        if (subCodeLength != totalLength) {
            throw new IOException("Decoded SequenceOf or SetOf has wrong length. Expected " + totalLength + " but has "
                    + subCodeLength);

        }
        codeLength += subCodeLength;

        return codeLength;
    }

    public void encodeAndSave(int encodingSizeGuess) throws IOException {
        ReverseByteArrayOutputStream os = new ReverseByteArrayOutputStream(encodingSizeGuess);
        encode(os, false);
        code = os.getArray();
    }

    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        appendAsString(sb, 0);
        return sb.toString();
    }

    public void appendAsString(StringBuilder sb, int indentLevel) {

        sb.append("{\n");
        for (int i = 0; i < indentLevel + 1; i++) {
            sb.append("\t");
        }
        if (seqOf == null) {
            sb.append("null");
        }
        else {
            Iterator<SEQUENCE> it = seqOf.iterator();
            if (it.hasNext()) {
                it.next().appendAsString(sb, indentLevel + 1);
                while (it.hasNext()) {
                    sb.append(",\n");
                    for (int i = 0; i < indentLevel + 1; i++) {
                        sb.append("\t");
                    }
                    it.next().appendAsString(sb, indentLevel + 1);
                }
            }
        }

        sb.append("\n");
        for (int i = 0; i < indentLevel; i++) {
            sb.append("\t");
        }
        sb.append("}");
    }

}