package net.minecraft.world.entity.boss.enderdragon.phases;

import java.lang.reflect.Constructor;
import java.util.Arrays;
import net.minecraft.world.entity.boss.enderdragon.EnderDragon;

public class EnderDragonPhase<T extends DragonPhaseInstance> {
	private static EnderDragonPhase<?>[] phases = new EnderDragonPhase[0];
	public static final EnderDragonPhase<DragonHoldingPatternPhase> HOLDING_PATTERN = create(DragonHoldingPatternPhase.class, "HoldingPattern");
	public static final EnderDragonPhase<DragonStrafePlayerPhase> STRAFE_PLAYER = create(DragonStrafePlayerPhase.class, "StrafePlayer");
	public static final EnderDragonPhase<DragonLandingApproachPhase> LANDING_APPROACH = create(DragonLandingApproachPhase.class, "LandingApproach");
	public static final EnderDragonPhase<DragonLandingPhase> LANDING = create(DragonLandingPhase.class, "Landing");
	public static final EnderDragonPhase<DragonTakeoffPhase> TAKEOFF = create(DragonTakeoffPhase.class, "Takeoff");
	public static final EnderDragonPhase<DragonSittingFlamingPhase> SITTING_FLAMING = create(DragonSittingFlamingPhase.class, "SittingFlaming");
	public static final EnderDragonPhase<DragonSittingScanningPhase> SITTING_SCANNING = create(DragonSittingScanningPhase.class, "SittingScanning");
	public static final EnderDragonPhase<DragonSittingAttackingPhase> SITTING_ATTACKING = create(DragonSittingAttackingPhase.class, "SittingAttacking");
	public static final EnderDragonPhase<DragonChargePlayerPhase> CHARGING_PLAYER = create(DragonChargePlayerPhase.class, "ChargingPlayer");
	public static final EnderDragonPhase<DragonDeathPhase> DYING = create(DragonDeathPhase.class, "Dying");
	public static final EnderDragonPhase<DragonHoverPhase> HOVERING = create(DragonHoverPhase.class, "Hover");
	private final Class<? extends DragonPhaseInstance> instanceClass;
	private final int id;
	private final String name;

	private EnderDragonPhase(int id, Class<? extends DragonPhaseInstance> instanceClass, String name) {
		this.id = id;
		this.instanceClass = instanceClass;
		this.name = name;
	}

	public DragonPhaseInstance createInstance(EnderDragon dragon) {
		try {
			Constructor<? extends DragonPhaseInstance> constructor = this.getConstructor();
			return (DragonPhaseInstance)constructor.newInstance(dragon);
		} catch (Exception var3) {
			throw new Error(var3);
		}
	}

	protected Constructor<? extends DragonPhaseInstance> getConstructor() throws NoSuchMethodException {
		return this.instanceClass.getConstructor(EnderDragon.class);
	}

	public int getId() {
		return this.id;
	}

	public String toString() {
		return this.name + " (#" + this.id + ")";
	}

	/**
	 * Gets a phase by its ID. If the phase is out of bounds (negative or beyond the end of the phase array), returns {@link #HOLDING_PATTERN}.
	 */
	public static EnderDragonPhase<?> getById(int id) {
		return id >= 0 && id < phases.length ? phases[id] : HOLDING_PATTERN;
	}

	public static int getCount() {
		return phases.length;
	}

	private static <T extends DragonPhaseInstance> EnderDragonPhase<T> create(Class<T> phase, String name) {
		EnderDragonPhase<T> enderDragonPhase = new EnderDragonPhase<>(phases.length, phase, name);
		phases = (EnderDragonPhase<?>[])Arrays.copyOf(phases, phases.length + 1);
		phases[enderDragonPhase.getId()] = enderDragonPhase;
		return enderDragonPhase;
	}
}