package net.vulkanmod.config.option;

import java.util.function.Consumer;
import java.util.function.Supplier;
import net.minecraft.class_2561;
import net.vulkanmod.config.gui.widget.CyclingOptionWidget;
import net.vulkanmod.config.gui.widget.OptionWidget;
import org.apache.commons.lang3.ArrayUtils;

public class CyclingOption<E> extends Option<E> {
   private E[] values;
   private int index;

   public CyclingOption(class_2561 name, E[] values, Consumer<E> setter, Supplier<E> getter) {
      super(name, setter, getter);
      this.values = values;
      this.index = this.findNewValueIndex();
   }

   public OptionWidget<?> createWidget() {
      return new CyclingOptionWidget(this, this.name);
   }

   public void updateOption(E[] values, Consumer<E> setter, Supplier<E> getter) {
      this.onApply = setter;
      this.valueSupplier = getter;
      this.values = values;
      this.index = ArrayUtils.indexOf(this.values, this.getNewValue());
   }

   public int index() {
      return this.index;
   }

   public void setValues(E[] values) {
      this.values = values;
   }

   public void prevValue() {
      if (this.index > 0) {
         --this.index;
      }

      this.updateValue();
   }

   public void nextValue() {
      if (this.index < this.values.length - 1) {
         ++this.index;
      }

      this.updateValue();
   }

   private void updateValue() {
      if (this.index >= 0 && this.index < this.values.length) {
         this.newValue = (E)this.values[this.index];
         if (this.onChange != null) {
            this.onChange.run();
         }
      }

   }

   public void setNewValue(E e) {
      super.setNewValue(e);
      this.index = this.findNewValueIndex();
   }

   private int findNewValueIndex() {
      for(int i = 0; i < this.values.length; ++i) {
         if (this.values[i].equals(this.newValue)) {
            return i;
         }
      }

      return -1;
   }

   public E[] getValues() {
      return this.values;
   }
}