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

package com.hypixel.hytale.protocol;

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

public class Objective
{
    public static final int NULLABLE_BIT_FIELD_SIZE = 1;
    public static final int FIXED_BLOCK_SIZE = 17;
    public static final int VARIABLE_FIELD_COUNT = 4;
    public static final int VARIABLE_BLOCK_START = 33;
    public static final int MAX_SIZE = 1677721600;
    @Nonnull
    public UUID objectiveUuid;
    @Nullable
    public String objectiveTitleKey;
    @Nullable
    public String objectiveDescriptionKey;
    @Nullable
    public String objectiveLineId;
    @Nullable
    public ObjectiveTask[] tasks;
    
    public Objective() {
        this.objectiveUuid = new UUID(0L, 0L);
    }
    
    public Objective(@Nonnull final UUID objectiveUuid, @Nullable final String objectiveTitleKey, @Nullable final String objectiveDescriptionKey, @Nullable final String objectiveLineId, @Nullable final ObjectiveTask[] tasks) {
        this.objectiveUuid = new UUID(0L, 0L);
        this.objectiveUuid = objectiveUuid;
        this.objectiveTitleKey = objectiveTitleKey;
        this.objectiveDescriptionKey = objectiveDescriptionKey;
        this.objectiveLineId = objectiveLineId;
        this.tasks = tasks;
    }
    
    public Objective(@Nonnull final Objective other) {
        this.objectiveUuid = new UUID(0L, 0L);
        this.objectiveUuid = other.objectiveUuid;
        this.objectiveTitleKey = other.objectiveTitleKey;
        this.objectiveDescriptionKey = other.objectiveDescriptionKey;
        this.objectiveLineId = other.objectiveLineId;
        this.tasks = other.tasks;
    }
    
    @Nonnull
    public static Objective deserialize(@Nonnull final ByteBuf buf, final int offset) {
        final Objective obj = new Objective();
        final byte nullBits = buf.getByte(offset);
        obj.objectiveUuid = PacketIO.readUUID(buf, offset + 1);
        if ((nullBits & 0x1) != 0x0) {
            final int varPos0 = offset + 33 + buf.getIntLE(offset + 17);
            final int objectiveTitleKeyLen = VarInt.peek(buf, varPos0);
            if (objectiveTitleKeyLen < 0) {
                throw ProtocolException.negativeLength("ObjectiveTitleKey", objectiveTitleKeyLen);
            }
            if (objectiveTitleKeyLen > 4096000) {
                throw ProtocolException.stringTooLong("ObjectiveTitleKey", objectiveTitleKeyLen, 4096000);
            }
            obj.objectiveTitleKey = PacketIO.readVarString(buf, varPos0, PacketIO.UTF8);
        }
        if ((nullBits & 0x2) != 0x0) {
            final int varPos2 = offset + 33 + buf.getIntLE(offset + 21);
            final int objectiveDescriptionKeyLen = VarInt.peek(buf, varPos2);
            if (objectiveDescriptionKeyLen < 0) {
                throw ProtocolException.negativeLength("ObjectiveDescriptionKey", objectiveDescriptionKeyLen);
            }
            if (objectiveDescriptionKeyLen > 4096000) {
                throw ProtocolException.stringTooLong("ObjectiveDescriptionKey", objectiveDescriptionKeyLen, 4096000);
            }
            obj.objectiveDescriptionKey = PacketIO.readVarString(buf, varPos2, PacketIO.UTF8);
        }
        if ((nullBits & 0x4) != 0x0) {
            final int varPos3 = offset + 33 + buf.getIntLE(offset + 25);
            final int objectiveLineIdLen = VarInt.peek(buf, varPos3);
            if (objectiveLineIdLen < 0) {
                throw ProtocolException.negativeLength("ObjectiveLineId", objectiveLineIdLen);
            }
            if (objectiveLineIdLen > 4096000) {
                throw ProtocolException.stringTooLong("ObjectiveLineId", objectiveLineIdLen, 4096000);
            }
            obj.objectiveLineId = PacketIO.readVarString(buf, varPos3, PacketIO.UTF8);
        }
        if ((nullBits & 0x8) != 0x0) {
            final int varPos4 = offset + 33 + buf.getIntLE(offset + 29);
            final int tasksCount = VarInt.peek(buf, varPos4);
            if (tasksCount < 0) {
                throw ProtocolException.negativeLength("Tasks", tasksCount);
            }
            if (tasksCount > 4096000) {
                throw ProtocolException.arrayTooLong("Tasks", tasksCount, 4096000);
            }
            final int varIntLen = VarInt.length(buf, varPos4);
            if (varPos4 + varIntLen + tasksCount * 9L > buf.readableBytes()) {
                throw ProtocolException.bufferTooSmall("Tasks", varPos4 + varIntLen + tasksCount * 9, buf.readableBytes());
            }
            obj.tasks = new ObjectiveTask[tasksCount];
            int elemPos = varPos4 + varIntLen;
            for (int i = 0; i < tasksCount; ++i) {
                obj.tasks[i] = ObjectiveTask.deserialize(buf, elemPos);
                elemPos += ObjectiveTask.computeBytesConsumed(buf, elemPos);
            }
        }
        return obj;
    }
    
    public static int computeBytesConsumed(@Nonnull final ByteBuf buf, final int offset) {
        final byte nullBits = buf.getByte(offset);
        int maxEnd = 33;
        if ((nullBits & 0x1) != 0x0) {
            final int fieldOffset0 = buf.getIntLE(offset + 17);
            int pos0 = offset + 33 + 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 + 21);
            int pos2 = offset + 33 + 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 + 25);
            int pos3 = offset + 33 + fieldOffset3;
            final int sl = VarInt.peek(buf, pos3);
            pos3 += VarInt.length(buf, pos3) + sl;
            if (pos3 - offset > maxEnd) {
                maxEnd = pos3 - offset;
            }
        }
        if ((nullBits & 0x8) != 0x0) {
            final int fieldOffset4 = buf.getIntLE(offset + 29);
            int pos4 = offset + 33 + fieldOffset4;
            final int arrLen = VarInt.peek(buf, pos4);
            pos4 += VarInt.length(buf, pos4);
            for (int i = 0; i < arrLen; ++i) {
                pos4 += ObjectiveTask.computeBytesConsumed(buf, pos4);
            }
            if (pos4 - offset > maxEnd) {
                maxEnd = pos4 - offset;
            }
        }
        return maxEnd;
    }
    
    public void serialize(@Nonnull final ByteBuf buf) {
        final int startPos = buf.writerIndex();
        byte nullBits = 0;
        if (this.objectiveTitleKey != null) {
            nullBits |= 0x1;
        }
        if (this.objectiveDescriptionKey != null) {
            nullBits |= 0x2;
        }
        if (this.objectiveLineId != null) {
            nullBits |= 0x4;
        }
        if (this.tasks != null) {
            nullBits |= 0x8;
        }
        buf.writeByte(nullBits);
        PacketIO.writeUUID(buf, this.objectiveUuid);
        final int objectiveTitleKeyOffsetSlot = buf.writerIndex();
        buf.writeIntLE(0);
        final int objectiveDescriptionKeyOffsetSlot = buf.writerIndex();
        buf.writeIntLE(0);
        final int objectiveLineIdOffsetSlot = buf.writerIndex();
        buf.writeIntLE(0);
        final int tasksOffsetSlot = buf.writerIndex();
        buf.writeIntLE(0);
        final int varBlockStart = buf.writerIndex();
        if (this.objectiveTitleKey != null) {
            buf.setIntLE(objectiveTitleKeyOffsetSlot, buf.writerIndex() - varBlockStart);
            PacketIO.writeVarString(buf, this.objectiveTitleKey, 4096000);
        }
        else {
            buf.setIntLE(objectiveTitleKeyOffsetSlot, -1);
        }
        if (this.objectiveDescriptionKey != null) {
            buf.setIntLE(objectiveDescriptionKeyOffsetSlot, buf.writerIndex() - varBlockStart);
            PacketIO.writeVarString(buf, this.objectiveDescriptionKey, 4096000);
        }
        else {
            buf.setIntLE(objectiveDescriptionKeyOffsetSlot, -1);
        }
        if (this.objectiveLineId != null) {
            buf.setIntLE(objectiveLineIdOffsetSlot, buf.writerIndex() - varBlockStart);
            PacketIO.writeVarString(buf, this.objectiveLineId, 4096000);
        }
        else {
            buf.setIntLE(objectiveLineIdOffsetSlot, -1);
        }
        if (this.tasks != null) {
            buf.setIntLE(tasksOffsetSlot, buf.writerIndex() - varBlockStart);
            if (this.tasks.length > 4096000) {
                throw ProtocolException.arrayTooLong("Tasks", this.tasks.length, 4096000);
            }
            VarInt.write(buf, this.tasks.length);
            for (final ObjectiveTask item : this.tasks) {
                item.serialize(buf);
            }
        }
        else {
            buf.setIntLE(tasksOffsetSlot, -1);
        }
    }
    
    public int computeSize() {
        int size = 33;
        if (this.objectiveTitleKey != null) {
            size += PacketIO.stringSize(this.objectiveTitleKey);
        }
        if (this.objectiveDescriptionKey != null) {
            size += PacketIO.stringSize(this.objectiveDescriptionKey);
        }
        if (this.objectiveLineId != null) {
            size += PacketIO.stringSize(this.objectiveLineId);
        }
        if (this.tasks != null) {
            int tasksSize = 0;
            for (final ObjectiveTask elem : this.tasks) {
                tasksSize += elem.computeSize();
            }
            size += VarInt.size(this.tasks.length) + tasksSize;
        }
        return size;
    }
    
    public static ValidationResult validateStructure(@Nonnull final ByteBuf buffer, final int offset) {
        if (buffer.readableBytes() - offset < 33) {
            return ValidationResult.error("Buffer too small: expected at least 33 bytes");
        }
        final byte nullBits = buffer.getByte(offset);
        if ((nullBits & 0x1) != 0x0) {
            final int objectiveTitleKeyOffset = buffer.getIntLE(offset + 17);
            if (objectiveTitleKeyOffset < 0) {
                return ValidationResult.error("Invalid offset for ObjectiveTitleKey");
            }
            int pos = offset + 33 + objectiveTitleKeyOffset;
            if (pos >= buffer.writerIndex()) {
                return ValidationResult.error("Offset out of bounds for ObjectiveTitleKey");
            }
            final int objectiveTitleKeyLen = VarInt.peek(buffer, pos);
            if (objectiveTitleKeyLen < 0) {
                return ValidationResult.error("Invalid string length for ObjectiveTitleKey");
            }
            if (objectiveTitleKeyLen > 4096000) {
                return ValidationResult.error("ObjectiveTitleKey exceeds max length 4096000");
            }
            pos += VarInt.length(buffer, pos);
            pos += objectiveTitleKeyLen;
            if (pos > buffer.writerIndex()) {
                return ValidationResult.error("Buffer overflow reading ObjectiveTitleKey");
            }
        }
        if ((nullBits & 0x2) != 0x0) {
            final int objectiveDescriptionKeyOffset = buffer.getIntLE(offset + 21);
            if (objectiveDescriptionKeyOffset < 0) {
                return ValidationResult.error("Invalid offset for ObjectiveDescriptionKey");
            }
            int pos = offset + 33 + objectiveDescriptionKeyOffset;
            if (pos >= buffer.writerIndex()) {
                return ValidationResult.error("Offset out of bounds for ObjectiveDescriptionKey");
            }
            final int objectiveDescriptionKeyLen = VarInt.peek(buffer, pos);
            if (objectiveDescriptionKeyLen < 0) {
                return ValidationResult.error("Invalid string length for ObjectiveDescriptionKey");
            }
            if (objectiveDescriptionKeyLen > 4096000) {
                return ValidationResult.error("ObjectiveDescriptionKey exceeds max length 4096000");
            }
            pos += VarInt.length(buffer, pos);
            pos += objectiveDescriptionKeyLen;
            if (pos > buffer.writerIndex()) {
                return ValidationResult.error("Buffer overflow reading ObjectiveDescriptionKey");
            }
        }
        if ((nullBits & 0x4) != 0x0) {
            final int objectiveLineIdOffset = buffer.getIntLE(offset + 25);
            if (objectiveLineIdOffset < 0) {
                return ValidationResult.error("Invalid offset for ObjectiveLineId");
            }
            int pos = offset + 33 + objectiveLineIdOffset;
            if (pos >= buffer.writerIndex()) {
                return ValidationResult.error("Offset out of bounds for ObjectiveLineId");
            }
            final int objectiveLineIdLen = VarInt.peek(buffer, pos);
            if (objectiveLineIdLen < 0) {
                return ValidationResult.error("Invalid string length for ObjectiveLineId");
            }
            if (objectiveLineIdLen > 4096000) {
                return ValidationResult.error("ObjectiveLineId exceeds max length 4096000");
            }
            pos += VarInt.length(buffer, pos);
            pos += objectiveLineIdLen;
            if (pos > buffer.writerIndex()) {
                return ValidationResult.error("Buffer overflow reading ObjectiveLineId");
            }
        }
        if ((nullBits & 0x8) != 0x0) {
            final int tasksOffset = buffer.getIntLE(offset + 29);
            if (tasksOffset < 0) {
                return ValidationResult.error("Invalid offset for Tasks");
            }
            int pos = offset + 33 + tasksOffset;
            if (pos >= buffer.writerIndex()) {
                return ValidationResult.error("Offset out of bounds for Tasks");
            }
            final int tasksCount = VarInt.peek(buffer, pos);
            if (tasksCount < 0) {
                return ValidationResult.error("Invalid array count for Tasks");
            }
            if (tasksCount > 4096000) {
                return ValidationResult.error("Tasks exceeds max length 4096000");
            }
            pos += VarInt.length(buffer, pos);
            for (int i = 0; i < tasksCount; ++i) {
                final ValidationResult structResult = ObjectiveTask.validateStructure(buffer, pos);
                if (!structResult.isValid()) {
                    return ValidationResult.error("Invalid ObjectiveTask in Tasks[" + i + "]: " + structResult.error());
                }
                pos += ObjectiveTask.computeBytesConsumed(buffer, pos);
            }
        }
        return ValidationResult.OK;
    }
    
    public Objective clone() {
        final Objective copy = new Objective();
        copy.objectiveUuid = this.objectiveUuid;
        copy.objectiveTitleKey = this.objectiveTitleKey;
        copy.objectiveDescriptionKey = this.objectiveDescriptionKey;
        copy.objectiveLineId = this.objectiveLineId;
        copy.tasks = (ObjectiveTask[])((this.tasks != null) ? ((ObjectiveTask[])Arrays.stream(this.tasks).map(e -> e.clone()).toArray(ObjectiveTask[]::new)) : null);
        return copy;
    }
    
    @Override
    public boolean equals(final Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj instanceof final Objective other) {
            return Objects.equals(this.objectiveUuid, other.objectiveUuid) && Objects.equals(this.objectiveTitleKey, other.objectiveTitleKey) && Objects.equals(this.objectiveDescriptionKey, other.objectiveDescriptionKey) && Objects.equals(this.objectiveLineId, other.objectiveLineId) && Arrays.equals(this.tasks, other.tasks);
        }
        return false;
    }
    
    @Override
    public int hashCode() {
        int result = 1;
        result = 31 * result + Objects.hashCode(this.objectiveUuid);
        result = 31 * result + Objects.hashCode(this.objectiveTitleKey);
        result = 31 * result + Objects.hashCode(this.objectiveDescriptionKey);
        result = 31 * result + Objects.hashCode(this.objectiveLineId);
        result = 31 * result + Arrays.hashCode(this.tasks);
        return result;
    }
}