ChatChat/plugin/src/main/java/at/helpch/chatchat/util/ItemUtils.java at 35a203c5fd568ca102fe3455533fb794e71c36a8 · HelpChat/ChatChat · GitHub

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package at.helpch.chatchat.util;

import net.kyori.adventure.text.Component;
import net.kyori.adventure.text.JoinConfiguration;
import net.kyori.adventure.text.format.NamedTextColor;
import net.kyori.adventure.text.minimessage.tag.resolver.Placeholder;
import net.kyori.adventure.text.minimessage.tag.resolver.TagResolver;
import net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer;
import org.bukkit.NamespacedKey;
import org.bukkit.enchantments.Enchantment;
import org.bukkit.inventory.ItemFlag;
import org.bukkit.inventory.ItemStack;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.util.ArrayList;
import java.util.Collections;
import java.util.stream.Collectors;

public final class ItemUtils {

    private static final LegacyComponentSerializer LEGACY_COMPONENT_SERIALIZER = LegacyComponentSerializer.legacySection();

    private ItemUtils() {
        throw new AssertionError("Util classes are not to be instantiated!");
    }

    public static @NotNull TagResolver.@NotNull Single createItemPlaceholder(
            @NotNull final String itemFormat,
            @NotNull final String itemFormatInfo,
            @NotNull final ItemStack item
    ) {
        final var materialName = Component.translatable(item.getType().translationKey());
        final var itemPlaceholder = Placeholder.component("item", materialName);
        final var amountPlaceholder = Placeholder.component("amount", Component.text(item.getAmount()));

        final var hoverInfoComponent = !itemFormatInfo.isBlank()
                ? MessageUtils.parseToMiniMessage(itemFormatInfo, itemPlaceholder, amountPlaceholder)
                : null;

        if (item.getType().isAir() || !item.hasItemMeta()) {
            return Placeholder.component(
                    "item",
                    MessageUtils.parseToMiniMessage(itemFormat, itemPlaceholder, amountPlaceholder).hoverEvent(hoverInfoComponent)
            );
        }

        final var meta = item.getItemMeta();

        // To get rid of IDE warnings
        if (meta == null) {
            return Placeholder.component(
                    "item",
                    MessageUtils.parseToMiniMessage(itemFormat, itemPlaceholder, amountPlaceholder).hoverEvent(hoverInfoComponent)
            );
        }

        final Component name = meta.hasDisplayName() ? LEGACY_COMPONENT_SERIALIZER.deserialize(meta.getDisplayName()) : materialName;

        final var newItemPlaceholder = Placeholder.component("item", name);

        var enchants = Collections.<Component>emptyList();

        if (meta.hasEnchants() && !meta.hasItemFlag(ItemFlag.HIDE_ENCHANTS)) {
            enchants = meta.getEnchants().entrySet()
                .stream()
                .map(entry -> formattedEnchantment(entry.getKey(), entry.getValue()))
                .toList();
        }

        var lore = Collections.<Component>emptyList();

        if (meta.hasLore()) {
            //noinspection ConstantConditions
            lore = meta.getLore()
                .stream()
                .map(LEGACY_COMPONENT_SERIALIZER::deserialize)
                .map(it -> it.hasStyling() ? it : it.color(NamedTextColor.DARK_PURPLE))
                .collect(Collectors.toList());
        }

        final var hoverComponents = new ArrayList<Component>();

        hoverComponents.add(name);
        hoverComponents.addAll(enchants);
        hoverComponents.addAll(lore);

        if (hoverInfoComponent != null) {
            hoverComponents.add(Component.empty());
            hoverComponents.add(hoverInfoComponent);
        }

        return Placeholder.component(
                "item",
                MessageUtils.parseToMiniMessage(itemFormat, newItemPlaceholder, amountPlaceholder).hoverEvent(
                        Component.join(JoinConfiguration.newlines(), hoverComponents)
                )
        );
    }

    @SuppressWarnings("deprecation")
    private static @NotNull Component formattedEnchantment(@Nullable final Enchantment enchantment, @Nullable final Integer level) {
        if (enchantment == null) {
            return Component.empty();
        }

        final var isVanilla = enchantment.getKey().getNamespace().equals(NamespacedKey.MINECRAFT);
        Component enchantmentName = isVanilla ? Component.translatable("enchantment.minecraft." + enchantment.getKey().getKey()) : Component.text(enchantment.getName());

        if (!enchantmentName.hasStyling()) {
            enchantmentName = enchantmentName.color(NamedTextColor.GRAY);
        }

        if (enchantment.getMaxLevel() == 1) {
            return enchantmentName;
        }

        if (level == null) {
            return enchantmentName.append(Component.text(" I"));
        }

        @NotNull final String roman = switch (level) {
            case 1 -> "I";
            case 2 -> "II";
            case 3 -> "III";
            case 4 -> "IV";
            case 5 -> "V";
            default -> level.toString();
        };

        return enchantmentName.append(Component.space()).append(Component.text(roman));
    }
}