package com.mojang.blaze3d.systems;

import java.util.List;

public class BackendCreationException extends Exception {
	private final BackendCreationException.Reason reason;
	private final List<String> missingCapabilities;

	public BackendCreationException(final String message, final BackendCreationException.Reason reason, final List<String> missingCapabilities) {
		super(message);
		this.reason = reason;
		this.missingCapabilities = List.copyOf(missingCapabilities);
	}

	public BackendCreationException(final String message, final BackendCreationException.Reason reason) {
		this(message, reason, List.of());
	}

	public BackendCreationException.Reason getReason() {
		return this.reason;
	}

	public List<String> getMissingCapabilities() {
		return this.missingCapabilities;
	}

	public static enum Reason {
		GLFW_ERROR("glfw_error"),
		VULKAN_LOADER_MISSING("vulkan_loader_missing"),
		VULKAN_INSTANCE_CREATION_FAILED("vulkan_instance_creation_failed"),
		VULKAN_NO_DEVICE("vulkan_no_device"),
		VULKAN_DEVICE_VERSION_TOO_LOW("vulkan_device_version_too_low"),
		VULKAN_NO_GRAPHICS_QUEUE("vulkan_no_graphics_queue"),
		VULKAN_MISSING_EXTENSION("vulkan_missing_extension"),
		VULKAN_MISSING_FEATURE("vulkan_missing_feature"),
		OPENGL_MISSING("opengl_missing"),
		OTHER("other");

		private final String displayName;

		private Reason(final String key) {
			this.displayName = key;
		}

		public String displayName() {
			return this.displayName;
		}
	}
}