package net.minecraft.util.datafix.fixes;

import com.mojang.datafixers.DSL;
import com.mojang.datafixers.DataFix;
import com.mojang.datafixers.TypeRewriteRule;
import com.mojang.datafixers.schemas.Schema;
import com.mojang.serialization.Dynamic;

public class LegacyWorldBorderFix extends DataFix {
	public LegacyWorldBorderFix(final Schema outputSchema) {
		super(outputSchema, false);
	}

	@Override
	protected TypeRewriteRule makeRule() {
		return this.fixTypeEverywhereTyped(
			"LegacyWorldBorderFix",
			this.getInputSchema().getType(References.LEVEL),
			input -> input.update(
				DSL.remainderFinder(),
				tag -> {
					Dynamic<?> worldBorder = tag.emptyMap()
						.set("center_x", tag.createDouble(tag.get("BorderCenterX").asDouble(0.0)))
						.set("center_z", tag.createDouble(tag.get("BorderCenterZ").asDouble(0.0)))
						.set("size", tag.createDouble(tag.get("BorderSize").asDouble(5.999997E7F)))
						.set("lerp_time", tag.createLong(tag.get("BorderSizeLerpTime").asLong(0L)))
						.set("lerp_target", tag.createDouble(tag.get("BorderSizeLerpTarget").asDouble(0.0)))
						.set("safe_zone", tag.createDouble(tag.get("BorderSafeZone").asDouble(5.0)))
						.set("damage_per_block", tag.createDouble(tag.get("BorderDamagePerBlock").asDouble(0.2)))
						.set("warning_blocks", tag.createInt(tag.get("BorderWarningBlocks").asInt(5)))
						.set("warning_time", tag.createInt(tag.get("BorderWarningTime").asInt(15)));
					tag = tag.remove("BorderCenterX")
						.remove("BorderCenterZ")
						.remove("BorderSize")
						.remove("BorderSizeLerpTime")
						.remove("BorderSizeLerpTarget")
						.remove("BorderSafeZone")
						.remove("BorderDamagePerBlock")
						.remove("BorderWarningBlocks")
						.remove("BorderWarningTime");
					return tag.set("world_border", worldBorder);
				}
			)
		);
	}
}