Make links clickable again with a TextReplacementConfig

Fixes #341

src/main/java/pw/kaboom/extras/modules/player/PlayerChat.java

@@ -2,18 +2,24 @@ package pw.kaboom.extras.modules.player;
 
 import io.papermc.paper.chat.ChatRenderer;
 import io.papermc.paper.event.player.AsyncChatEvent;
-import java.io.IOException;
-import java.util.UUID;
-import javax.annotation.Nonnull;
 import net.kyori.adventure.audience.Audience;
 import net.kyori.adventure.text.Component;
 import net.kyori.adventure.text.TextComponent;
+import net.kyori.adventure.text.TextReplacementConfig;
+import net.kyori.adventure.text.event.ClickEvent;
+import net.kyori.adventure.text.format.NamedTextColor;
+import net.kyori.adventure.text.format.TextDecoration;
 import net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 
+import javax.annotation.Nonnull;
+import java.io.IOException;
+import java.util.UUID;
+import java.util.regex.Pattern;
+
 public final class PlayerChat implements Listener {
     private static final PlayerChatRenderer CHAT_RENDERER = new PlayerChatRenderer();
 
@@ -39,6 +45,43 @@ public final class PlayerChat implements Listener {
     }
 
     public static class PlayerChatRenderer implements ChatRenderer {
+        private static final TextReplacementConfig URL_REPLACEMENT_CONFIG =
+                TextReplacementConfig
+                        .builder()
+                .match(Pattern
+                        .compile("((https?://(www\\.)?)?[-a-zA-Z0-9@:%._+~#=]" +
+                                "{1,256}\\.[a-zA-Z0-9()]{1,6}\\b([-a-zA-Z0-9()@:%_+.~#?&/=]*))"))
+                .replacement((b, c) -> {
+                    if (c == null) {
+                        return null;
+                    }
+
+                    if (b.groupCount() < 1) {
+                        return null;
+                    }
+
+                    final String content = b.group(1);
+                    final String url;
+
+                    /*
+                    Minecraft doesn't accept "www.google.com" or "google.com" as URLs
+                    in click events
+                     */
+                    if (content.contains("://")) {
+                        url = content;
+                    } else {
+                        url = "https://" + content;
+                    }
+
+                    return Component.text(content, NamedTextColor.BLUE)
+                            .decorate(TextDecoration.UNDERLINED)
+                            .clickEvent(ClickEvent.openUrl(url));
+                })
+                .build();
+
+        private static final LegacyComponentSerializer LEGACY_COMPONENT_SERIALIZER =
+                LegacyComponentSerializer
+                        .legacyAmpersand();
 
         @Override
         public @Nonnull Component render(@Nonnull Player player,
@@ -65,10 +108,12 @@ public final class PlayerChat implements Listener {
                     .append(Component.text(":"))
                     .append(Component.space());
 
-            return newComponent.append(LegacyComponentSerializer
-                .legacyAmpersand()
-                .deserialize(message)
-            );
+            final Component messageWithColorCodes = LEGACY_COMPONENT_SERIALIZER
+                    .deserialize(message);
+            final Component completedMessage = messageWithColorCodes
+                    .replaceText(URL_REPLACEMENT_CONFIG);
+
+            return newComponent.append(completedMessage);
         }
     }
 }