package net.minecraft.client.resources.metadata.animation;

import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableList.Builder;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParseException;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.minecraft.server.packs.metadata.MetadataSectionSerializer;
import net.minecraft.util.GsonHelper;
import org.apache.commons.lang3.Validate;
import org.jetbrains.annotations.Nullable;

@Environment(EnvType.CLIENT)
public class AnimationMetadataSectionSerializer implements MetadataSectionSerializer<AnimationMetadataSection> {
	public AnimationMetadataSection fromJson(JsonObject json) {
		Builder<AnimationFrame> builder = ImmutableList.builder();
		int i = GsonHelper.getAsInt(json, "frametime", 1);
		if (i != 1) {
			Validate.inclusiveBetween(1L, 2147483647L, (long)i, "Invalid default frame time");
		}

		if (json.has("frames")) {
			try {
				JsonArray jsonArray = GsonHelper.getAsJsonArray(json, "frames");

				for (int j = 0; j < jsonArray.size(); j++) {
					JsonElement jsonElement = jsonArray.get(j);
					AnimationFrame animationFrame = this.getFrame(j, jsonElement);
					if (animationFrame != null) {
						builder.add(animationFrame);
					}
				}
			} catch (ClassCastException var8) {
				throw new JsonParseException("Invalid animation->frames: expected array, was " + json.get("frames"), var8);
			}
		}

		int k = GsonHelper.getAsInt(json, "width", -1);
		int jx = GsonHelper.getAsInt(json, "height", -1);
		if (k != -1) {
			Validate.inclusiveBetween(1L, 2147483647L, (long)k, "Invalid width");
		}

		if (jx != -1) {
			Validate.inclusiveBetween(1L, 2147483647L, (long)jx, "Invalid height");
		}

		boolean bl = GsonHelper.getAsBoolean(json, "interpolate", false);
		return new AnimationMetadataSection(builder.build(), k, jx, i, bl);
	}

	@Nullable
	private AnimationFrame getFrame(int frame, JsonElement element) {
		if (element.isJsonPrimitive()) {
			return new AnimationFrame(GsonHelper.convertToInt(element, "frames[" + frame + "]"));
		} else if (element.isJsonObject()) {
			JsonObject jsonObject = GsonHelper.convertToJsonObject(element, "frames[" + frame + "]");
			int i = GsonHelper.getAsInt(jsonObject, "time", -1);
			if (jsonObject.has("time")) {
				Validate.inclusiveBetween(1L, 2147483647L, (long)i, "Invalid frame time");
			}

			int j = GsonHelper.getAsInt(jsonObject, "index");
			Validate.inclusiveBetween(0L, 2147483647L, (long)j, "Invalid frame index");
			return new AnimationFrame(j, i);
		} else {
			return null;
		}
	}

	@Override
	public String getMetadataSectionName() {
		return "animation";
	}
}