/*
 * Decompiled with CFR 0.152.
 * 
 * Could not load the following classes:
 *  com.mojang.datafixers.DSL
 *  com.mojang.datafixers.DataFix
 *  com.mojang.datafixers.DataFixUtils
 *  com.mojang.datafixers.TypeRewriteRule
 *  com.mojang.datafixers.schemas.Schema
 *  com.mojang.serialization.Dynamic
 */
package net.minecraft.util.datafix.fixes;

import com.mojang.datafixers.DSL;
import com.mojang.datafixers.DataFix;
import com.mojang.datafixers.DataFixUtils;
import com.mojang.datafixers.TypeRewriteRule;
import com.mojang.datafixers.schemas.Schema;
import com.mojang.serialization.Dynamic;
import java.util.Optional;
import net.minecraft.util.datafix.fixes.References;

public class OptionsAddTextBackgroundFix
extends DataFix {
    public OptionsAddTextBackgroundFix(Schema outputSchema, boolean changesType) {
        super(outputSchema, changesType);
    }

    public TypeRewriteRule makeRule() {
        return this.fixTypeEverywhereTyped("OptionsAddTextBackgroundFix", this.getInputSchema().getType(References.OPTIONS), input -> input.update(DSL.remainderFinder(), tag -> (Dynamic)DataFixUtils.orElse((Optional)tag.get("chatOpacity").asString().map(value -> {
            double opacity = this.calculateBackground((String)value);
            return tag.set("textBackgroundOpacity", tag.createString(String.valueOf(opacity)));
        }).result(), (Object)tag)));
    }

    private double calculateBackground(String textOpacity) {
        try {
            double textAlpha = 0.9 * Double.parseDouble(textOpacity) + 0.1;
            return textAlpha / 2.0;
        }
        catch (NumberFormatException e) {
            return 0.5;
        }
    }
}