/*
 * This class file was automatically generated by ASN1bean v1.13.0 (http://www.beanit.com)
 */

package com.truphone.rsp.dto.asn1.pkix1explicit88;

import java.io.IOException;
import java.io.EOFException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.ByteArrayOutputStream;
import java.util.List;
import java.util.ArrayList;
import java.util.Iterator;
import java.io.UnsupportedEncodingException;
import java.math.BigInteger;
import java.io.Serializable;
import com.beanit.asn1bean.ber.*;
import com.beanit.asn1bean.ber.types.*;
import com.beanit.asn1bean.ber.types.string.*;


public class Attribute implements BerType, Serializable {

	private static final long serialVersionUID = 1L;

	public static class Values implements BerType, Serializable {

		private static final long serialVersionUID = 1L;

		public static final BerTag tag = new BerTag(BerTag.UNIVERSAL_CLASS, BerTag.CONSTRUCTED, 17);
		private byte[] code = null;
		private List<AttributeValue> seqOf = null;

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

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

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

		@Override public int encode(OutputStream reverseOS) throws IOException {
			return encode(reverseOS, true);
		}

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

			if (code != null) {
				reverseOS.write(code);
				if (withTag) {
					return tag.encode(reverseOS) + code.length;
				}
				return code.length;
			}

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

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

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

			return codeLength;
		}

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

		public int decode(InputStream is, boolean withTag) throws IOException {
			int tlByteCount = 0;
			int vByteCount = 0;
			int numDecodedBytes;
			BerTag berTag = new BerTag();
			if (withTag) {
				tlByteCount += tag.decodeAndCheck(is);
			}

			BerLength length = new BerLength();
			tlByteCount += length.decode(is);
			int lengthVal = length.val;

			while (vByteCount < lengthVal || lengthVal < 0) {
				vByteCount += berTag.decode(is);

				if (lengthVal < 0 && berTag.equals(0, 0, 0)) {
					vByteCount += BerLength.readEocByte(is);
					break;
				}

				AttributeValue element = new AttributeValue();
				numDecodedBytes = element.decode(is, berTag);
				if (numDecodedBytes == 0) {
					throw new IOException("Tag did not match");
				}
				vByteCount += numDecodedBytes;
				seqOf.add(element);
			}
			if (lengthVal >= 0 && vByteCount != lengthVal) {
				throw new IOException("Decoded SequenceOf or SetOf has wrong length. Expected " + lengthVal + " but has " + vByteCount);

			}
			return tlByteCount + vByteCount;
		}

		public void encodeAndSave(int encodingSizeGuess) throws IOException {
			ReverseByteArrayOutputStream reverseOS = new ReverseByteArrayOutputStream(encodingSizeGuess);
			encode(reverseOS, false);
			code = reverseOS.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<AttributeValue> it = seqOf.iterator();
				if (it.hasNext()) {
					sb.append(it.next());
					while (it.hasNext()) {
						sb.append(",\n");
						for (int i = 0; i < indentLevel + 1; i++) {
							sb.append("\t");
						}
						sb.append(it.next());
					}
				}
			}

			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);

	private byte[] code = null;
	private AttributeType type = null;
	private Values values = null;
	
	public Attribute() {
	}

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

	public void setType(AttributeType type) {
		this.type = type;
	}

	public AttributeType getType() {
		return type;
	}

	public void setValues(Values values) {
		this.values = values;
	}

	public Values getValues() {
		return values;
	}

	@Override public int encode(OutputStream reverseOS) throws IOException {
		return encode(reverseOS, true);
	}

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

		if (code != null) {
			reverseOS.write(code);
			if (withTag) {
				return tag.encode(reverseOS) + code.length;
			}
			return code.length;
		}

		int codeLength = 0;
		codeLength += values.encode(reverseOS, true);
		
		codeLength += type.encode(reverseOS, true);
		
		codeLength += BerLength.encodeLength(reverseOS, codeLength);

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

		return codeLength;

	}

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

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

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

		BerLength length = new BerLength();
		tlByteCount += length.decode(is);
		int lengthVal = length.val;
		vByteCount += berTag.decode(is);

		if (berTag.equals(AttributeType.tag)) {
			type = new AttributeType();
			vByteCount += type.decode(is, false);
			vByteCount += berTag.decode(is);
		}
		else {
			throw new IOException("Tag does not match mandatory sequence component.");
		}
		
		if (berTag.equals(Values.tag)) {
			values = new Values();
			vByteCount += values.decode(is, false);
			if (lengthVal >= 0 && vByteCount == lengthVal) {
				return tlByteCount + vByteCount;
			}
			vByteCount += berTag.decode(is);
		}
		else {
			throw new IOException("Tag does not match mandatory sequence component.");
		}
		
		if (lengthVal < 0) {
			if (!berTag.equals(0, 0, 0)) {
				throw new IOException("Decoded sequence has wrong end of contents octets");
			}
			vByteCount += BerLength.readEocByte(is);
			return tlByteCount + vByteCount;
		}

		throw new IOException("Unexpected end of sequence, length tag: " + lengthVal + ", bytes decoded: " + vByteCount);

	}

	public void encodeAndSave(int encodingSizeGuess) throws IOException {
		ReverseByteArrayOutputStream reverseOS = new ReverseByteArrayOutputStream(encodingSizeGuess);
		encode(reverseOS, false);
		code = reverseOS.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 (type != null) {
			sb.append("type: ").append(type);
		}
		else {
			sb.append("type: <empty-required-field>");
		}
		
		sb.append(",\n");
		for (int i = 0; i < indentLevel + 1; i++) {
			sb.append("\t");
		}
		if (values != null) {
			sb.append("values: ");
			values.appendAsString(sb, indentLevel + 1);
		}
		else {
			sb.append("values: <empty-required-field>");
		}
		
		sb.append("\n");
		for (int i = 0; i < indentLevel; i++) {
			sb.append("\t");
		}
		sb.append("}");
	}

}