package com.pretzel.dev.villagertradelimiter.nms.utils.nmsmappings;

import java.lang.reflect.Constructor;
import java.util.logging.Level;

import com.pretzel.dev.villagertradelimiter.nms.NbtApiException;
import com.pretzel.dev.villagertradelimiter.nms.utils.MinecraftVersion;

import static com.pretzel.dev.villagertradelimiter.nms.utils.MinecraftVersion.getLogger;

/**
 * This Enum wraps Constructors for NMS classes
 * 
 * @author tr7zw
 *
 */
@SuppressWarnings("javadoc")
public enum ObjectCreator {
	NMS_NBTTAGCOMPOUND(null, null, ClassWrapper.NMS_NBTTAGCOMPOUND.getClazz()),
	NMS_BLOCKPOSITION(null, null, ClassWrapper.NMS_BLOCKPOSITION.getClazz(), int.class, int.class, int.class),
	NMS_COMPOUNDFROMITEM(MinecraftVersion.MC1_11_R1, null, ClassWrapper.NMS_ITEMSTACK.getClazz(), ClassWrapper.NMS_NBTTAGCOMPOUND.getClazz()),;

	private Constructor<?> construct;
	private Class<?> targetClass;

	ObjectCreator(MinecraftVersion from, MinecraftVersion to, Class<?> clazz, Class<?>... args) {
		if (clazz == null)
			return;
		if (from != null && MinecraftVersion.getVersion().getVersionId() < from.getVersionId())
			return;
		if (to != null && MinecraftVersion.getVersion().getVersionId() > to.getVersionId())
			return;
		try {
			this.targetClass = clazz;
			construct = clazz.getDeclaredConstructor(args);
			construct.setAccessible(true);
		} catch (Exception ex) {
			getLogger().log(Level.SEVERE, "Unable to find the constructor for the class '" + clazz.getName() + "'", ex);
		}
	}

	/**
	 * Creates an Object instance with given args
	 * 
	 * @param args
	 * @return Object created
	 */
	public Object getInstance(Object... args) {
		try {
			return construct.newInstance(args);
		} catch (Exception ex) {
			throw new NbtApiException("Exception while creating a new instance of '" + targetClass + "'", ex);
		}
	}

}