// 
// Decompiled by Procyon v0.6.0
// 

package com.hypixel.hytale.protocol.packets.asseteditor;

import java.util.Objects;
import com.hypixel.hytale.protocol.io.ValidationResult;
import com.hypixel.hytale.protocol.io.PacketIO;
import com.hypixel.hytale.protocol.io.ProtocolException;
import com.hypixel.hytale.protocol.io.VarInt;
import io.netty.buffer.ByteBuf;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;

public class AuthorInfo
{
    public static final int NULLABLE_BIT_FIELD_SIZE = 1;
    public static final int FIXED_BLOCK_SIZE = 1;
    public static final int VARIABLE_FIELD_COUNT = 3;
    public static final int VARIABLE_BLOCK_START = 13;
    public static final int MAX_SIZE = 49152028;
    @Nullable
    public String name;
    @Nullable
    public String email;
    @Nullable
    public String url;
    
    public AuthorInfo() {
    }
    
    public AuthorInfo(@Nullable final String name, @Nullable final String email, @Nullable final String url) {
        this.name = name;
        this.email = email;
        this.url = url;
    }
    
    public AuthorInfo(@Nonnull final AuthorInfo other) {
        this.name = other.name;
        this.email = other.email;
        this.url = other.url;
    }
    
    @Nonnull
    public static AuthorInfo deserialize(@Nonnull final ByteBuf buf, final int offset) {
        final AuthorInfo obj = new AuthorInfo();
        final byte nullBits = buf.getByte(offset);
        if ((nullBits & 0x1) != 0x0) {
            final int varPos0 = offset + 13 + buf.getIntLE(offset + 1);
            final int nameLen = VarInt.peek(buf, varPos0);
            if (nameLen < 0) {
                throw ProtocolException.negativeLength("Name", nameLen);
            }
            if (nameLen > 4096000) {
                throw ProtocolException.stringTooLong("Name", nameLen, 4096000);
            }
            obj.name = PacketIO.readVarString(buf, varPos0, PacketIO.UTF8);
        }
        if ((nullBits & 0x2) != 0x0) {
            final int varPos2 = offset + 13 + buf.getIntLE(offset + 5);
            final int emailLen = VarInt.peek(buf, varPos2);
            if (emailLen < 0) {
                throw ProtocolException.negativeLength("Email", emailLen);
            }
            if (emailLen > 4096000) {
                throw ProtocolException.stringTooLong("Email", emailLen, 4096000);
            }
            obj.email = PacketIO.readVarString(buf, varPos2, PacketIO.UTF8);
        }
        if ((nullBits & 0x4) != 0x0) {
            final int varPos3 = offset + 13 + buf.getIntLE(offset + 9);
            final int urlLen = VarInt.peek(buf, varPos3);
            if (urlLen < 0) {
                throw ProtocolException.negativeLength("Url", urlLen);
            }
            if (urlLen > 4096000) {
                throw ProtocolException.stringTooLong("Url", urlLen, 4096000);
            }
            obj.url = PacketIO.readVarString(buf, varPos3, PacketIO.UTF8);
        }
        return obj;
    }
    
    public static int computeBytesConsumed(@Nonnull final ByteBuf buf, final int offset) {
        final byte nullBits = buf.getByte(offset);
        int maxEnd = 13;
        if ((nullBits & 0x1) != 0x0) {
            final int fieldOffset0 = buf.getIntLE(offset + 1);
            int pos0 = offset + 13 + fieldOffset0;
            final int sl = VarInt.peek(buf, pos0);
            pos0 += VarInt.length(buf, pos0) + sl;
            if (pos0 - offset > maxEnd) {
                maxEnd = pos0 - offset;
            }
        }
        if ((nullBits & 0x2) != 0x0) {
            final int fieldOffset2 = buf.getIntLE(offset + 5);
            int pos2 = offset + 13 + fieldOffset2;
            final int sl = VarInt.peek(buf, pos2);
            pos2 += VarInt.length(buf, pos2) + sl;
            if (pos2 - offset > maxEnd) {
                maxEnd = pos2 - offset;
            }
        }
        if ((nullBits & 0x4) != 0x0) {
            final int fieldOffset3 = buf.getIntLE(offset + 9);
            int pos3 = offset + 13 + fieldOffset3;
            final int sl = VarInt.peek(buf, pos3);
            pos3 += VarInt.length(buf, pos3) + sl;
            if (pos3 - offset > maxEnd) {
                maxEnd = pos3 - offset;
            }
        }
        return maxEnd;
    }
    
    public void serialize(@Nonnull final ByteBuf buf) {
        final int startPos = buf.writerIndex();
        byte nullBits = 0;
        if (this.name != null) {
            nullBits |= 0x1;
        }
        if (this.email != null) {
            nullBits |= 0x2;
        }
        if (this.url != null) {
            nullBits |= 0x4;
        }
        buf.writeByte(nullBits);
        final int nameOffsetSlot = buf.writerIndex();
        buf.writeIntLE(0);
        final int emailOffsetSlot = buf.writerIndex();
        buf.writeIntLE(0);
        final int urlOffsetSlot = buf.writerIndex();
        buf.writeIntLE(0);
        final int varBlockStart = buf.writerIndex();
        if (this.name != null) {
            buf.setIntLE(nameOffsetSlot, buf.writerIndex() - varBlockStart);
            PacketIO.writeVarString(buf, this.name, 4096000);
        }
        else {
            buf.setIntLE(nameOffsetSlot, -1);
        }
        if (this.email != null) {
            buf.setIntLE(emailOffsetSlot, buf.writerIndex() - varBlockStart);
            PacketIO.writeVarString(buf, this.email, 4096000);
        }
        else {
            buf.setIntLE(emailOffsetSlot, -1);
        }
        if (this.url != null) {
            buf.setIntLE(urlOffsetSlot, buf.writerIndex() - varBlockStart);
            PacketIO.writeVarString(buf, this.url, 4096000);
        }
        else {
            buf.setIntLE(urlOffsetSlot, -1);
        }
    }
    
    public int computeSize() {
        int size = 13;
        if (this.name != null) {
            size += PacketIO.stringSize(this.name);
        }
        if (this.email != null) {
            size += PacketIO.stringSize(this.email);
        }
        if (this.url != null) {
            size += PacketIO.stringSize(this.url);
        }
        return size;
    }
    
    public static ValidationResult validateStructure(@Nonnull final ByteBuf buffer, final int offset) {
        if (buffer.readableBytes() - offset < 13) {
            return ValidationResult.error("Buffer too small: expected at least 13 bytes");
        }
        final byte nullBits = buffer.getByte(offset);
        if ((nullBits & 0x1) != 0x0) {
            final int nameOffset = buffer.getIntLE(offset + 1);
            if (nameOffset < 0) {
                return ValidationResult.error("Invalid offset for Name");
            }
            int pos = offset + 13 + nameOffset;
            if (pos >= buffer.writerIndex()) {
                return ValidationResult.error("Offset out of bounds for Name");
            }
            final int nameLen = VarInt.peek(buffer, pos);
            if (nameLen < 0) {
                return ValidationResult.error("Invalid string length for Name");
            }
            if (nameLen > 4096000) {
                return ValidationResult.error("Name exceeds max length 4096000");
            }
            pos += VarInt.length(buffer, pos);
            pos += nameLen;
            if (pos > buffer.writerIndex()) {
                return ValidationResult.error("Buffer overflow reading Name");
            }
        }
        if ((nullBits & 0x2) != 0x0) {
            final int emailOffset = buffer.getIntLE(offset + 5);
            if (emailOffset < 0) {
                return ValidationResult.error("Invalid offset for Email");
            }
            int pos = offset + 13 + emailOffset;
            if (pos >= buffer.writerIndex()) {
                return ValidationResult.error("Offset out of bounds for Email");
            }
            final int emailLen = VarInt.peek(buffer, pos);
            if (emailLen < 0) {
                return ValidationResult.error("Invalid string length for Email");
            }
            if (emailLen > 4096000) {
                return ValidationResult.error("Email exceeds max length 4096000");
            }
            pos += VarInt.length(buffer, pos);
            pos += emailLen;
            if (pos > buffer.writerIndex()) {
                return ValidationResult.error("Buffer overflow reading Email");
            }
        }
        if ((nullBits & 0x4) != 0x0) {
            final int urlOffset = buffer.getIntLE(offset + 9);
            if (urlOffset < 0) {
                return ValidationResult.error("Invalid offset for Url");
            }
            int pos = offset + 13 + urlOffset;
            if (pos >= buffer.writerIndex()) {
                return ValidationResult.error("Offset out of bounds for Url");
            }
            final int urlLen = VarInt.peek(buffer, pos);
            if (urlLen < 0) {
                return ValidationResult.error("Invalid string length for Url");
            }
            if (urlLen > 4096000) {
                return ValidationResult.error("Url exceeds max length 4096000");
            }
            pos += VarInt.length(buffer, pos);
            pos += urlLen;
            if (pos > buffer.writerIndex()) {
                return ValidationResult.error("Buffer overflow reading Url");
            }
        }
        return ValidationResult.OK;
    }
    
    public AuthorInfo clone() {
        final AuthorInfo copy = new AuthorInfo();
        copy.name = this.name;
        copy.email = this.email;
        copy.url = this.url;
        return copy;
    }
    
    @Override
    public boolean equals(final Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj instanceof final AuthorInfo other) {
            return Objects.equals(this.name, other.name) && Objects.equals(this.email, other.email) && Objects.equals(this.url, other.url);
        }
        return false;
    }
    
    @Override
    public int hashCode() {
        return Objects.hash(this.name, this.email, this.url);
    }
}