From 253402f4fe7498dbb82ed8aaeb51cdcd34ac832b Mon Sep 17 00:00:00 2001
From: Etzelia <etzelia@hotmail.com>
Date: Thu, 3 Oct 2019 17:58:55 +0200
Subject: [PATCH] Discord Syntax (#36)

---
 .../etztech/qol/commands/ColorsCommand.java   |  2 +-
 .../listeners/AsyncPlayerChatListener.java    | 50 ++++++++++++++++---
 src/main/resources/config.yml                 |  2 +-
 src/main/resources/plugin.yml                 |  3 ++
 4 files changed, 47 insertions(+), 10 deletions(-)

diff --git a/src/main/java/xyz/etztech/qol/commands/ColorsCommand.java b/src/main/java/xyz/etztech/qol/commands/ColorsCommand.java
index 7b5c79a..e30d65f 100644
--- a/src/main/java/xyz/etztech/qol/commands/ColorsCommand.java
+++ b/src/main/java/xyz/etztech/qol/commands/ColorsCommand.java
@@ -29,7 +29,7 @@ public class ColorsCommand implements CommandExecutor {
                 ChatColor.DARK_GRAY + "\n&8 - Dark Gray" +
                 ChatColor.BLUE + "\n&9 - Blue" +
                 ChatColor.GREEN + "\n&a - Green" +
-                ChatColor.AQUA + "\n&b - Aqu" +
+                ChatColor.AQUA + "\n&b - Aqua" +
                 ChatColor.RED + "\n&c - Red" +
                 ChatColor.LIGHT_PURPLE + "\n&d - Light Purple" +
                 ChatColor.YELLOW + "\n&e - Yellow" +
diff --git a/src/main/java/xyz/etztech/qol/listeners/AsyncPlayerChatListener.java b/src/main/java/xyz/etztech/qol/listeners/AsyncPlayerChatListener.java
index c5ecff6..08c7e2d 100644
--- a/src/main/java/xyz/etztech/qol/listeners/AsyncPlayerChatListener.java
+++ b/src/main/java/xyz/etztech/qol/listeners/AsyncPlayerChatListener.java
@@ -1,23 +1,28 @@
 package xyz.etztech.qol.listeners;
 
-import org.apache.commons.lang.StringUtils;
-import org.bukkit.Bukkit;
+import org.bukkit.ChatColor;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 import org.bukkit.event.player.AsyncPlayerChatEvent;
-import org.bukkit.event.server.ServerListPingEvent;
-import org.bukkit.util.CachedServerIcon;
 import xyz.etztech.qol.QoL;
 
-import javax.imageio.ImageIO;
-import java.awt.*;
-import java.awt.image.BufferedImage;
-import java.io.File;
+import java.util.Arrays;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 public class AsyncPlayerChatListener implements Listener {
 
+    private final List<Pattern> discordSyntax = Arrays.asList(
+            Pattern.compile("__([^_]+)__"),         // 0: __underline__
+            Pattern.compile("_([^_]+)_"),           // 1: _italic_
+            Pattern.compile("\\*\\*([^*]+)\\*\\*"), // 2: **bold**
+            Pattern.compile("\\*([^*]+)\\*"),       // 3: *italic*
+            Pattern.compile("~~([^~]+)~~")          // 4: ~~strikethrough~~
+    );
+
     private QoL plugin;
 
     public AsyncPlayerChatListener(QoL plugin) {
@@ -36,6 +41,35 @@ public class AsyncPlayerChatListener implements Listener {
         if (QoL.getTimeout() && !player.hasPermission("qol.timeout.bypass")) {
             event.getRecipients().clear();
         }
+
+        // Discord syntax for font emphasis
+        if (player.hasPermission("qol.discord")) {
+            String chat = event.getMessage();
+            Pattern syntax;
+            Matcher matcher;
+            for (int i = 0; i < discordSyntax.size(); i++) {
+                syntax = discordSyntax.get(i);
+                matcher = syntax.matcher(chat);
+                switch (i) {
+                    case 0:
+                        chat = matcher.replaceAll("&n$1&r");
+                        break;
+                    case 1:
+                    case 3:
+                        chat = matcher.replaceAll("&o$1&r");
+                        break;
+                    case 2:
+                        chat = matcher.replaceAll("&l$1&r");
+                        break;
+                    case 4:
+                        chat = matcher.replaceAll("&m$1&r");
+                        break;
+                    default:
+                        break;
+                }
+            }
+            event.setMessage(ChatColor.translateAlternateColorCodes('&', chat));
+        }
     }
 
 
diff --git a/src/main/resources/config.yml b/src/main/resources/config.yml
index 9fa67eb..aaa9b13 100644
--- a/src/main/resources/config.yml
+++ b/src/main/resources/config.yml
@@ -92,4 +92,4 @@ disable-fire:
 
 # Overrides view distance per world, format is [World Name]: [View Distance]
 view-distances:
-  # world: 2
+  world: 2
diff --git a/src/main/resources/plugin.yml b/src/main/resources/plugin.yml
index 10c41d1..ce6acc7 100644
--- a/src/main/resources/plugin.yml
+++ b/src/main/resources/plugin.yml
@@ -49,6 +49,9 @@ permissions:
   qol.admin:
     description: Ability to reload the plugin
     default: op
+  qol.discord:
+    description: Ability to use limited Discord syntax for chat formatting
+    default: op
   qol.priority:
     description: Allows a player on past the player cap
     default: op