/*
 * Copyright (c) Memexuer 2019. Wszelkie prawa zastrzeżone.
 */

package pl.memexurer.core.util;

import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.entity.Player;
import pl.memexurer.core.yaml.Mesages;

import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;

public class TitleUtil {
    public TitleUtil() {

    }

    public static void sendActionBar(Player player, String message) {
        String nmsVersion = (nmsVersion = Bukkit.getServer().getClass().getPackage().getName()).substring(nmsVersion.lastIndexOf(".") + 1);
        try {
            Class<?> c1 = Class.forName("org.bukkit.craftbukkit." + nmsVersion + ".entity.CraftPlayer");
            Object p = c1.cast(player);
            Object ppoc;
            Class<?> c2, c3,
                    c4 = Class.forName("net.minecraft.server." + nmsVersion + ".PacketPlayOutChat"),
                    c5 = Class.forName("net.minecraft.server." + nmsVersion + ".Packet");
            Object o;
            if ((nmsVersion.equalsIgnoreCase("v1_8_R1") || !nmsVersion.startsWith("v1_8_")) && !nmsVersion.startsWith("v1_9_")) {
                c2 = Class.forName("net.minecraft.server." + nmsVersion + ".ChatSerializer");
                c3 = Class.forName("net.minecraft.server." + nmsVersion + ".IChatBaseComponent");
                Method m3 = c2.getDeclaredMethod("a", String.class);
                o = c3.cast(m3.invoke(c2, "{\"text\": \"" + message + "\"}"));
            } else {
                c2 = Class.forName("net.minecraft.server." + nmsVersion + ".ChatComponentText");
                c3 = Class.forName("net.minecraft.server." + nmsVersion + ".IChatBaseComponent");
                o = c2.getConstructor(new Class<?>[]{String.class}).newInstance(message);
            }
            ppoc = c4.getConstructor(new Class<?>[]{c3, byte.class}).newInstance(o, (byte) 2);
            Method m1 = c1.getDeclaredMethod("getHandle");
            Object h = m1.invoke(p);
            Field f1 = h.getClass().getDeclaredField("playerConnection");
            Object pc = f1.get(h);
            Method m5 = pc.getClass().getDeclaredMethod("sendPacket", c5);
            m5.invoke(pc, ppoc);
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }

    public static void sendTitle(Player player, String text, int x, int y, int z) {
        try {

            Object enumTitle = getNMSClass("PacketPlayOutTitle").getDeclaredClasses()[0].getField("TITLE").get(null);
            Object titleChat = getNMSClass("IChatBaseComponent").getDeclaredClasses()[0].getMethod("a", String.class).invoke(null, "\"" + ColorUtil.tr(text) + "\"");

            Constructor<?> titleConstructor = getNMSClass("PacketPlayOutTitle").getConstructor(getNMSClass("PacketPlayOutTitle").getDeclaredClasses()[0], getNMSClass("IChatBaseComponent"), int.class, int.class, int.class);
            Object titlePacket = titleConstructor.newInstance(enumTitle, titleChat, x, y, z);


            sendPacket(player, titlePacket);
        } catch (Exception ex) {
            //Do something
        }
    }

    public static void sendSubtitle(Player player, String text, int x, int y, int z) {
        try {
            Object enumSubtitle = getNMSClass("PacketPlayOutTitle").getDeclaredClasses()[0].getField("SUBTITLE").get(null);
            Object subtitleChat = getNMSClass("IChatBaseComponent").getDeclaredClasses()[0].getMethod("a", String.class).invoke(null, "\"" + ColorUtil.tr(text) + "\"");
            Constructor<?> titleConstructor = getNMSClass("PacketPlayOutTitle").getConstructor(getNMSClass("PacketPlayOutTitle").getDeclaredClasses()[0], getNMSClass("IChatBaseComponent"), int.class, int.class, int.class);
            Object subtitlePacket = titleConstructor.newInstance(enumSubtitle, subtitleChat, x, y, z);
            sendPacket(player, subtitlePacket);
        } catch (Exception ex) {
            //Do something
        }
    }

    private static void sendPacket(Player player, Object packet) {
        try {
            Object handle = player.getClass().getMethod("getHandle").invoke(player);
            Object playerConnection = handle.getClass().getField("playerConnection").get(handle);
            playerConnection.getClass().getMethod("sendPacket", getNMSClass("Packet")).invoke(playerConnection, packet);


        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
     * Get NMS class using reflection
     *
     * @param name Name of the class
     * @return Class
     */
    private static Class<?> getNMSClass(String name) {
        String version = Bukkit.getServer().getClass().getPackage().getName().split("\\.")[3];
        try {
            return Class.forName("net.minecraft.server." + version + "." + name);
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
            return null;
        }

    }

    public static void sendMsg(Player p, String title, String msg, int in, int stay, int out) {
        sendTitle(p, title, in, stay, out);
        sendSubtitle(p, msg, in, stay, out);
    }
    public static void sendPluginMsg(Player p, String title, String msg) {
        sendTitle(p, Mesages.colorScheme + ChatColor.BOLD + title, 7,2,10);
        sendSubtitle(p, ChatColor.GRAY + msg, 7,2,10);
    }
}