package com.mojang.blaze3d.audio;

import com.mojang.logging.LogUtils;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioFormat.Encoding;
import org.lwjgl.openal.AL10;
import org.lwjgl.openal.ALC10;
import org.slf4j.Logger;

public class OpenAlUtil {
	private static final Logger LOGGER = LogUtils.getLogger();

	private static String alErrorToString(final int error) {
		return switch (error) {
			case 40961 -> "Invalid name parameter.";
			case 40962 -> "Invalid enumerated parameter value.";
			case 40963 -> "Invalid parameter parameter value.";
			case 40964 -> "Invalid operation.";
			case 40965 -> "Unable to allocate memory.";
			default -> "An unrecognized error occurred.";
		};
	}

	public static boolean checkALError(final String location) {
		int error = AL10.alGetError();
		if (error != 0) {
			LOGGER.error("{}: {}", location, alErrorToString(error));
			return true;
		} else {
			return false;
		}
	}

	private static String alcErrorToString(final int error) {
		return switch (error) {
			case 40961 -> "Invalid device.";
			case 40962 -> "Invalid context.";
			case 40963 -> "Illegal enum.";
			case 40964 -> "Invalid value.";
			case 40965 -> "Unable to allocate memory.";
			default -> "An unrecognized error occurred.";
		};
	}

	public static boolean checkALCError(final long device, final String location) {
		int error = ALC10.alcGetError(device);
		if (error != 0) {
			LOGGER.error("{} ({}): {}", location, device, alcErrorToString(error));
			return true;
		} else {
			return false;
		}
	}

	public static int audioFormatToOpenAl(final AudioFormat audioFormat) {
		Encoding encoding = audioFormat.getEncoding();
		int channels = audioFormat.getChannels();
		int sampleSizeInBits = audioFormat.getSampleSizeInBits();
		if (encoding.equals(Encoding.PCM_UNSIGNED) || encoding.equals(Encoding.PCM_SIGNED)) {
			if (channels == 1) {
				if (sampleSizeInBits == 8) {
					return 4352;
				}

				if (sampleSizeInBits == 16) {
					return 4353;
				}
			} else if (channels == 2) {
				if (sampleSizeInBits == 8) {
					return 4354;
				}

				if (sampleSizeInBits == 16) {
					return 4355;
				}
			}
		}

		throw new IllegalArgumentException("Invalid audio format: " + audioFormat);
	}
}