package com.pahimar.ee3.item;

import java.util.Comparator;

import com.pahimar.ee3.lib.Compare;

public class EnergyStack implements Comparable<EnergyStack> {

    public static final String VANILLA_SMELTING_ENERGY_NAME = "vanillaFuelValueUnits";
    public static final int VANILLA_SMELTING_ENERGY_THRESHOLD = 200;

    public String energyName;
    public int stackSize;

    public EnergyStack(String energyName, int stackSize) {

        this.energyName = energyName;
        this.stackSize = stackSize;
    }

    public EnergyStack(String energyName) {

        this(energyName, 1);
    }

    @Override
    public String toString() {
        return String.format("%dxenergyStack.%s", stackSize, energyName);
    }

    @Override
    public boolean equals(Object object) {

        if (!(object instanceof EnergyStack)) {
            return false;
        }

        return (this.compareTo((EnergyStack) object) == Compare.EQUALS);
    }
    
    public static boolean compareEnergyNames(EnergyStack energyStack1, EnergyStack energyStack2) {

        if (energyStack1 != null && energyStack2 != null) {
            if ((energyStack1.energyName != null) && (energyStack2.energyName != null)) {
                return energyStack1.energyName.equalsIgnoreCase(energyStack2.energyName);
            }
        }

        return false;
    }

    @Override
    public int compareTo(EnergyStack energyStack) {

        return comparator.compare(this, energyStack);
    }
    
    public static int compare(EnergyStack energyStack1, EnergyStack energyStack2) {
        return comparator.compare(energyStack1, energyStack2);
    }

    public static Comparator<EnergyStack> comparator = new Comparator<EnergyStack>() {

        @Override
        public int compare(EnergyStack energyStack1, EnergyStack energyStack2) {

            if (energyStack1 != null) {
                if (energyStack2 != null) {
                    if (energyStack1.energyName.equalsIgnoreCase(energyStack2.energyName)) {
                        return energyStack1.stackSize - energyStack2.stackSize;
                    }
                    else {
                        return energyStack1.energyName.compareToIgnoreCase(energyStack2.energyName);
                    }
                }
                else {
                    return Compare.LESSER_THAN;
                }
            }
            else {
                if (energyStack2 != null) {
                    return Compare.GREATER_THAN;
                }
                else {
                    return Compare.EQUALS;
                }
            }
        }
        
    };
}