T2CodeLib/src/main/java/net/t2code/t2codelib/SPIGOT/api/items/T2CitemBuilder.java

package net.t2code.t2codelib.SPIGOT.api.items;

import com.mojang.authlib.GameProfile;
import com.mojang.authlib.properties.Property;
import net.t2code.t2codelib.SPIGOT.api.minecraftVersion.T2CmcVersion;
import net.t2code.t2codelib.SPIGOT.system.bstats.Metrics;
import org.bukkit.Bukkit;
import org.bukkit.Material;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;
import org.bukkit.inventory.meta.SkullMeta;
import org.bukkit.profile.PlayerProfile;
import org.bukkit.profile.PlayerTextures;

import java.lang.reflect.Field;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Base64;

import org.json.JSONObject;

import java.util.List;
import java.util.UUID;

public class T2CitemBuilder {
    public static final boolean getLegacy = T2CmcVersion.isMc1_8() || T2CmcVersion.isMc1_9() || T2CmcVersion.isMc1_10() || T2CmcVersion.isMc1_11() || T2CmcVersion.isMc1_12();

    public static void fillItem(boolean enable, String item, Integer lines, Inventory inventory) {
        if (!enable) return;
        fillItem(item, lines, inventory);
    }

    public static void fillItem(String item, Integer lines, Inventory inventory) {
        try {
            ItemStack glass;
            if (getLegacy) {
                glass = new ItemStack(Material.valueOf("STAINED_GLASS_PANE"), 1, Short.parseShort(item));
            } else glass = new ItemStack(Material.valueOf(item.toUpperCase().replace(".", "_")));
            ItemMeta itemMetaglass = glass.getItemMeta();
            assert itemMetaglass != null;
            itemMetaglass.setDisplayName(" ");
            glass.setItemMeta(itemMetaglass);
            glass.setAmount(1);
            for (int i = 0; i < 9 * lines; i++) {
                inventory.setItem(i, glass);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public static ItemStack itemStack(Material material, Integer amount, String displayName, List<String> lore) {
        ItemStack itemStack = new ItemStack(material);
        ItemMeta itemMeta = itemStack.getItemMeta();

        itemMeta.setDisplayName(displayName);
        itemMeta.setLore(lore);
        itemStack.setItemMeta(itemMeta);

        itemStack.setAmount(amount);
        return itemStack;
    }

    public static void setItem(Integer slot, Integer amount, String material, String displayName, List<String> lore, Inventory inventory) {
        ItemStack item;
        if (getLegacy && material.contains(",")) {
            String[] split = material.split(",");
            item = new ItemStack(Material.valueOf(split[0]), 1, Short.parseShort(split[1]));
        } else item = new ItemStack(Material.valueOf(material));
        ItemMeta itemMeta = item.getItemMeta();
        itemMeta.setDisplayName(displayName);
        itemMeta.setLore(lore);
        item.setItemMeta(itemMeta);
        item.setAmount(amount);
        inventory.setItem(slot, item);
    }

    public static ItemStack base64(String base64Value) {
        if (!T2CmcVersion.minMc1_20() || T2CmcVersion.isNms1_20_R1()) {
            return base64Old(base64Value);
        } else return base64New(base64Value);
    }

    private static ItemStack base64Old(String base64Value) {
        ItemStack itemStack = new ItemStack(T2CitemVersion.getHead());
        SkullMeta itemMeta = (SkullMeta) itemStack.getItemMeta();

        GameProfile profile = new GameProfile(UUID.randomUUID(), "");
        profile.getProperties().put("textures", new Property("textures", base64Value));
        Field profileField;
        try {
            profileField = itemMeta.getClass().getDeclaredField("profile");
            profileField.setAccessible(true);
            profileField.set(itemMeta, profile);
        } catch (IllegalArgumentException | IllegalAccessException | NoSuchFieldException | SecurityException e) {
            e.printStackTrace();
        }

        itemStack.setItemMeta(itemMeta);
        return itemStack;
    }

    private static ItemStack base64New(String base64Value) {
        ItemStack itemStack = new ItemStack(T2CitemVersion.getHead());
        SkullMeta itemMeta = (SkullMeta) itemStack.getItemMeta();

        PlayerProfile profile = Bukkit.createPlayerProfile(UUID.randomUUID());
        PlayerTextures textures = profile.getTextures();
        try {
            textures.setSkin(new URL(base64Convert(base64Value)));
        } catch (MalformedURLException e) {
            throw new RuntimeException(e);
        }
        profile.setTextures(textures);
        itemMeta.setOwnerProfile(profile);
        itemStack.setItemMeta(itemMeta);
        return itemStack;
    }

    private static String base64Convert(String base64Value) {
        String jsonString = new String(Base64.getDecoder().decode(base64Value));
        JSONObject obj = new JSONObject(jsonString);
        String output = obj.getJSONObject("textures").getJSONObject("SKIN").getString("url");
        if (output.startsWith("http://textures.minecraft.net/texture/")){
            return output;
        } else return "http://textures.minecraft.net/texture/d5d20330da59c207d78352838e91a48ea1e42b45a9893226144b251fe9b9d535";
    }
}