From 951d4e35c18ffc10e08791e81aea1f2db689bb46 Mon Sep 17 00:00:00 2001
From: Chayapak Supasakul <invalid@hololive.tv>
Date: Mon, 21 Oct 2024 10:22:53 +0700
Subject: [PATCH] Support FNFBoyfriendBot Validation

---
 .../chipmunk/chipmunkmod/Configuration.java   |  1 +
 .../chipmunkmod/commands/ValidateCommand.java |  3 +-
 .../util/BotValidationUtilities.java          | 29 +++++++++++++++++++
 src/main/resources/default_config.json        |  1 +
 4 files changed, 33 insertions(+), 1 deletion(-)

diff --git a/src/main/java/land/chipmunk/chipmunkmod/Configuration.java b/src/main/java/land/chipmunk/chipmunkmod/Configuration.java
index e33fb4e..ada19a8 100644
--- a/src/main/java/land/chipmunk/chipmunkmod/Configuration.java
+++ b/src/main/java/land/chipmunk/chipmunkmod/Configuration.java
@@ -26,6 +26,7 @@ public class Configuration {
     public BotInfo sbot = new BotInfo(":", null);
     public BotInfo chipmunk = new BotInfo("'", null);
     public ChomeNSBotInfo chomens = new ChomeNSBotInfo("*", null, null, null);
+    public BotInfo fnfboyfriend = new BotInfo("~", null);
     public BotInfo kittycorp = new BotInfo("^", null);
     public TestBotInfo testbot = new TestBotInfo("-", null);
   }
diff --git a/src/main/java/land/chipmunk/chipmunkmod/commands/ValidateCommand.java b/src/main/java/land/chipmunk/chipmunkmod/commands/ValidateCommand.java
index 806f4cf..2030015 100644
--- a/src/main/java/land/chipmunk/chipmunkmod/commands/ValidateCommand.java
+++ b/src/main/java/land/chipmunk/chipmunkmod/commands/ValidateCommand.java
@@ -18,10 +18,11 @@ public class ValidateCommand {
         .then(literal("sbot").then(argument("command", greedyString()).executes(c -> sbot(getString(c, "command")))))
         // .then(literal("chipmunk").then(argument("command", greedyString()).executes(c -> chipmunk(getString(c, "command")))))
         .then(literal("chomens").then(argument("command", greedyString()).executes(c -> {
-          c.getSource().sendFeedback(Text.literal("Warning: Manual ChomeNS Bot validation is deprecated"));
+          c.getSource().sendFeedback(Text.literal("Warning: Manual ChomeNS Bot validation is deprecated. Please use the completions from typing the bot's prefix."));
 
           return chomens(getString(c, "command"));
         })))
+        .then(literal("fnfboyfriend").then(argument("command", greedyString()).executes(c -> fnfboyfriend(getString(c, "command")))))
         .then(literal("kittycorp").then(argument("command", greedyString()).executes(c -> kittycorp(getString(c, "command")))))
     );
   }
diff --git a/src/main/java/land/chipmunk/chipmunkmod/util/BotValidationUtilities.java b/src/main/java/land/chipmunk/chipmunkmod/util/BotValidationUtilities.java
index a5ebcb0..808cca7 100644
--- a/src/main/java/land/chipmunk/chipmunkmod/util/BotValidationUtilities.java
+++ b/src/main/java/land/chipmunk/chipmunkmod/util/BotValidationUtilities.java
@@ -115,6 +115,35 @@ public class BotValidationUtilities {
         return Command.SINGLE_SUCCESS;
     }
 
+    public static int fnfboyfriend (String command) {
+        try {
+            final String prefix = ChipmunkMod.CONFIG.bots.fnfboyfriend.prefix;
+
+            String[] arguments = command.split(" ");
+
+            long currentTime = System.currentTimeMillis() / 1000;
+            String input = currentTime + ChipmunkMod.CONFIG.bots.fnfboyfriend.key;
+            MessageDigest digest = MessageDigest.getInstance("SHA-256");
+            byte[] hash = digest.digest(input.getBytes());
+            StringBuilder hexString = new StringBuilder();
+            for (byte b : hash) {
+                String hex = Integer.toHexString(0xff & b);
+                if (hex.length() == 1) hexString.append('0');
+                hexString.append(hex);
+            }
+
+            final String[] restArguments = Arrays.copyOfRange(arguments, 1, arguments.length);
+
+            final String result = hexString.substring(0, 16);
+
+            Chat.sendChatMessage(prefix + arguments[0] + " " + result + " " + String.join(" ", restArguments));
+        } catch (NoSuchAlgorithmException e) {
+            e.printStackTrace();
+        }
+
+        return Command.SINGLE_SUCCESS;
+    }
+
     public static int kittycorp (String command) throws RuntimeException {
         final Configuration.BotInfo info = ChipmunkMod.CONFIG.bots.kittycorp;
         final ClientPlayNetworkHandler networkHandler = MinecraftClient.getInstance().getNetworkHandler();
diff --git a/src/main/resources/default_config.json b/src/main/resources/default_config.json
index 3ce37ff..86bff87 100644
--- a/src/main/resources/default_config.json
+++ b/src/main/resources/default_config.json
@@ -15,6 +15,7 @@
     "sbot": { "prefix": ":", "key": null },
     "chipmunk": { "prefix": "'", "key": null },
     "chomens": { "prefix": "*", "key": null, "authKey": null, "formatKey": null },
+    "fnfboyfriend": { "prefix": "~", "key": null },
     "kittycorp": { "prefix": "^", "key": null },
     "testbot": { "prefix": "-", "webhookUrl": null }
   },