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

package com.hypixel.hytale.protocol;

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 UVMotion
{
    public static final int NULLABLE_BIT_FIELD_SIZE = 1;
    public static final int FIXED_BLOCK_SIZE = 19;
    public static final int VARIABLE_FIELD_COUNT = 1;
    public static final int VARIABLE_BLOCK_START = 19;
    public static final int MAX_SIZE = 16384024;
    @Nullable
    public String texture;
    public boolean addRandomUVOffset;
    public float speedX;
    public float speedY;
    public float scale;
    public float strength;
    @Nonnull
    public UVMotionCurveType strengthCurveType;
    
    public UVMotion() {
        this.strengthCurveType = UVMotionCurveType.Constant;
    }
    
    public UVMotion(@Nullable final String texture, final boolean addRandomUVOffset, final float speedX, final float speedY, final float scale, final float strength, @Nonnull final UVMotionCurveType strengthCurveType) {
        this.strengthCurveType = UVMotionCurveType.Constant;
        this.texture = texture;
        this.addRandomUVOffset = addRandomUVOffset;
        this.speedX = speedX;
        this.speedY = speedY;
        this.scale = scale;
        this.strength = strength;
        this.strengthCurveType = strengthCurveType;
    }
    
    public UVMotion(@Nonnull final UVMotion other) {
        this.strengthCurveType = UVMotionCurveType.Constant;
        this.texture = other.texture;
        this.addRandomUVOffset = other.addRandomUVOffset;
        this.speedX = other.speedX;
        this.speedY = other.speedY;
        this.scale = other.scale;
        this.strength = other.strength;
        this.strengthCurveType = other.strengthCurveType;
    }
    
    @Nonnull
    public static UVMotion deserialize(@Nonnull final ByteBuf buf, final int offset) {
        final UVMotion obj = new UVMotion();
        final byte nullBits = buf.getByte(offset);
        obj.addRandomUVOffset = (buf.getByte(offset + 1) != 0);
        obj.speedX = buf.getFloatLE(offset + 2);
        obj.speedY = buf.getFloatLE(offset + 6);
        obj.scale = buf.getFloatLE(offset + 10);
        obj.strength = buf.getFloatLE(offset + 14);
        obj.strengthCurveType = UVMotionCurveType.fromValue(buf.getByte(offset + 18));
        int pos = offset + 19;
        if ((nullBits & 0x1) != 0x0) {
            final int textureLen = VarInt.peek(buf, pos);
            if (textureLen < 0) {
                throw ProtocolException.negativeLength("Texture", textureLen);
            }
            if (textureLen > 4096000) {
                throw ProtocolException.stringTooLong("Texture", textureLen, 4096000);
            }
            final int textureVarLen = VarInt.length(buf, pos);
            obj.texture = PacketIO.readVarString(buf, pos, PacketIO.UTF8);
            pos += textureVarLen + textureLen;
        }
        return obj;
    }
    
    public static int computeBytesConsumed(@Nonnull final ByteBuf buf, final int offset) {
        final byte nullBits = buf.getByte(offset);
        int pos = offset + 19;
        if ((nullBits & 0x1) != 0x0) {
            final int sl = VarInt.peek(buf, pos);
            pos += VarInt.length(buf, pos) + sl;
        }
        return pos - offset;
    }
    
    public void serialize(@Nonnull final ByteBuf buf) {
        byte nullBits = 0;
        if (this.texture != null) {
            nullBits |= 0x1;
        }
        buf.writeByte(nullBits);
        buf.writeByte(this.addRandomUVOffset ? 1 : 0);
        buf.writeFloatLE(this.speedX);
        buf.writeFloatLE(this.speedY);
        buf.writeFloatLE(this.scale);
        buf.writeFloatLE(this.strength);
        buf.writeByte(this.strengthCurveType.getValue());
        if (this.texture != null) {
            PacketIO.writeVarString(buf, this.texture, 4096000);
        }
    }
    
    public int computeSize() {
        int size = 19;
        if (this.texture != null) {
            size += PacketIO.stringSize(this.texture);
        }
        return size;
    }
    
    public static ValidationResult validateStructure(@Nonnull final ByteBuf buffer, final int offset) {
        if (buffer.readableBytes() - offset < 19) {
            return ValidationResult.error("Buffer too small: expected at least 19 bytes");
        }
        final byte nullBits = buffer.getByte(offset);
        int pos = offset + 19;
        if ((nullBits & 0x1) != 0x0) {
            final int textureLen = VarInt.peek(buffer, pos);
            if (textureLen < 0) {
                return ValidationResult.error("Invalid string length for Texture");
            }
            if (textureLen > 4096000) {
                return ValidationResult.error("Texture exceeds max length 4096000");
            }
            pos += VarInt.length(buffer, pos);
            pos += textureLen;
            if (pos > buffer.writerIndex()) {
                return ValidationResult.error("Buffer overflow reading Texture");
            }
        }
        return ValidationResult.OK;
    }
    
    public UVMotion clone() {
        final UVMotion copy = new UVMotion();
        copy.texture = this.texture;
        copy.addRandomUVOffset = this.addRandomUVOffset;
        copy.speedX = this.speedX;
        copy.speedY = this.speedY;
        copy.scale = this.scale;
        copy.strength = this.strength;
        copy.strengthCurveType = this.strengthCurveType;
        return copy;
    }
    
    @Override
    public boolean equals(final Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj instanceof final UVMotion other) {
            return Objects.equals(this.texture, other.texture) && this.addRandomUVOffset == other.addRandomUVOffset && this.speedX == other.speedX && this.speedY == other.speedY && this.scale == other.scale && this.strength == other.strength && Objects.equals(this.strengthCurveType, other.strengthCurveType);
        }
        return false;
    }
    
    @Override
    public int hashCode() {
        return Objects.hash(this.texture, this.addRandomUVOffset, this.speedX, this.speedY, this.scale, this.strength, this.strengthCurveType);
    }
}