From 64bd3141dcb44e2ad3591ef9f0e016a5849f975d Mon Sep 17 00:00:00 2001
From: John Etherfield <smicokdenis@gmail.com>
Date: Sun, 16 Aug 2026 19:16:25 +0200
Subject: [PATCH] feat: highlight player names in chat with LuckPerms colors

---
 src/main/java/org/examp/john/ChatHandler.java | 59 ++++++++++++++++++-
 src/main/resources/fabric.mod.json            |  2 +-
 2 files changed, 58 insertions(+), 3 deletions(-)

diff --git a/src/main/java/org/examp/john/ChatHandler.java b/src/main/java/org/examp/john/ChatHandler.java
index dc6a77a..db75e7b 100644
--- a/src/main/java/org/examp/john/ChatHandler.java
+++ b/src/main/java/org/examp/john/ChatHandler.java
@@ -12,6 +12,7 @@ import net.minecraft.server.level.ServerPlayer;
 import org.examp.john.stealth.StealthStorage;
 
 import java.util.ArrayList;
+import java.util.Comparator;
 import java.util.List;
 
 public class ChatHandler {
@@ -30,7 +31,8 @@ public class ChatHandler {
                 String actualMessage = text.substring(1).trim();
                 Component globalMessage = Component.empty()
                         .append(formattedName)
-                        .append(Component.literal(": " + actualMessage));
+                        .append(Component.literal(": "))
+                        .append(buildMentionMessage(actualMessage, players));
 
                 for (ServerPlayer player : players) {
                     player.sendSystemMessage(globalMessage);
@@ -62,7 +64,8 @@ public class ChatHandler {
                 if (!hearers.isEmpty()) {
                     Component localMessage = Component.empty()
                             .append(formattedName)
-                            .append(Component.literal(": " + text).withStyle(ChatFormatting.GRAY));
+                            .append(Component.literal(": ").withStyle(ChatFormatting.GRAY))
+                            .append(buildMentionMessage(text, players).withStyle(ChatFormatting.GRAY));
 
                     sender.sendSystemMessage(localMessage);
                     for (ServerPlayer hearer : hearers) {
@@ -84,6 +87,58 @@ public class ChatHandler {
         });
     }
 
+    private static MutableComponent buildMentionMessage(String text, List<ServerPlayer> onlinePlayers) {
+        List<ServerPlayer> sorted = onlinePlayers.stream()
+                .sorted(Comparator.comparingInt((ServerPlayer p) -> p.getName().getString().length()).reversed())
+                .toList();
+
+        MutableComponent result = Component.empty();
+        String remaining = text;
+
+        while (!remaining.isEmpty()) {
+            int earliestIndex = remaining.length();
+            ServerPlayer mentioned = null;
+
+            for (ServerPlayer player : sorted) {
+                String name = player.getName().getString();
+                int index = remaining.toLowerCase().indexOf(name.toLowerCase());
+                if (index >= 0 && index < earliestIndex) {
+                    earliestIndex = index;
+                    mentioned = player;
+                }
+            }
+
+            if (mentioned == null) {
+                result.append(Component.literal(remaining));
+                break;
+            }
+
+            if (earliestIndex > 0) {
+                result.append(Component.literal(remaining.substring(0, earliestIndex)));
+            }
+
+            result.append(createMentionComponent(mentioned));
+
+            remaining = remaining.substring(earliestIndex + mentioned.getName().getString().length());
+        }
+
+        return result;
+    }
+
+    private static Component createMentionComponent(ServerPlayer player) {
+        String prefix = getLuckPermsPrefix(player);
+        String formattedPrefix = prefix.replace("&", "\u00a7");
+        String name = player.getName().getString();
+
+        return Component.literal(formattedPrefix + name)
+                .withStyle(Style.EMPTY
+                        .withClickEvent(new ClickEvent.SuggestCommand("/msg " + name + " "))
+                        .withHoverEvent(new HoverEvent.ShowText(
+                                Component.literal("Натисніть щоб написати " + name)
+                                        .withStyle(ChatFormatting.GRAY)))
+                );
+    }
+
     private static MutableComponent buildFormattedName(ServerPlayer player) {
         String prefix = "";
         try {
diff --git a/src/main/resources/fabric.mod.json b/src/main/resources/fabric.mod.json
index c7fb683..7584f25 100644
--- a/src/main/resources/fabric.mod.json
+++ b/src/main/resources/fabric.mod.json
@@ -1,5 +1,5 @@
 {
-  "schemaVersion": 1,
+  "schemaVersion": 1,gi
   "id": "msnexus",
   "version": "${version}",
   "name": "msnexus",