package com.eloraam.redpower.core;

import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.tileentity.TileEntity;
import net.minecraftforge.fluids.Fluid;
import net.minecraftforge.fluids.FluidRegistry;

public abstract class FluidBuffer {
    public Fluid Type;
    public int Level;
    public int Delta;
    private int lastTick;

    public abstract TileEntity getParent();

    public abstract void onChange();

    public int getMaxLevel() {
        return 1000;
    }

    public int getLevel() {
        long lt = this.getParent().getWorldObj().getTotalWorldTime();
        if ((lt & 65535L) == (long) this.lastTick) {
            return this.Level;
        } else {
            this.lastTick = (int) (lt & 65535L);
            this.Level += this.Delta;
            this.Delta = 0;
            if (this.Level == 0) {
                this.Type = null;
            }

            return this.Level;
        }
    }

    public void addLevel(Fluid type, int lvl) {
        if (type != null) {
            this.Type = type;
            this.Delta += lvl;
            this.onChange();
        }
    }

    public Fluid getFluidClass() {
        return this.Type;
    }

    public void readFromNBT(NBTTagCompound tag, String name) {
        NBTTagCompound t2 = tag.getCompoundTag(name);
        this.Type = FluidRegistry.getFluid(t2.getString("type"));
        this.Level = t2.getShort("lvl");
        this.Delta = t2.getShort("del");
        this.lastTick = t2.getShort("ltk");
    }

    public void writeToNBT(NBTTagCompound tag, String name) {
        NBTTagCompound t2 = new NBTTagCompound();
        String n = FluidRegistry.getFluidName(this.Type);
        t2.setString("type", n != null && !n.isEmpty() ? n : "null");
        t2.setShort("lvl", (short) this.Level);
        t2.setShort("del", (short) this.Delta);
        t2.setShort("ltk", (short) this.lastTick);
        tag.setTag(name, t2);
    }

    public void writeToPacket(NBTTagCompound tag) {
        tag.setInteger(
            "type", this.Type == null ? -1 : FluidRegistry.getFluidID(this.Type)
        );
        tag.setInteger("lvl", this.Level);
    }

    public void readFromPacket(NBTTagCompound buffer) {
        this.Type = FluidRegistry.getFluid(buffer.getInteger("type"));
        this.Level = buffer.getInteger("lvl");
    }
}