From b7f2b6a3d79923a34053e1c1b7514f6cdbb74ad9 Mon Sep 17 00:00:00 2001
From: Liam <liam@fascinated.cc>
Date: Sun, 30 Jun 2024 03:47:34 +0100
Subject: [PATCH] fix birthday date validation

---
 .../features/birthday/command/SetSubCommand.java | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/src/main/java/cc/fascinated/bat/features/birthday/command/SetSubCommand.java b/src/main/java/cc/fascinated/bat/features/birthday/command/SetSubCommand.java
index 5eb9598..d6eb6ca 100644
--- a/src/main/java/cc/fascinated/bat/features/birthday/command/SetSubCommand.java
+++ b/src/main/java/cc/fascinated/bat/features/birthday/command/SetSubCommand.java
@@ -58,7 +58,10 @@ public class SetSubCommand extends BatSubCommand {
         Date birthday = parseBirthday(birthdayString);
         if (birthday == null) {
             interaction.replyEmbeds(EmbedUtils.errorEmbed()
-                    .setDescription("Invalid birthday format. Please use the format: DAY/MONTH/YEAR - 01/05/2004")
+                    .setDescription("""
+                            Invalid birthday format. Please use the following format:
+                            DAY/MONTH/YEAR - 01/05/2004
+                            """)
                     .build()).queue();
             return;
         }
@@ -79,9 +82,16 @@ public class SetSubCommand extends BatSubCommand {
      */
     private Date parseBirthday(String birthday) {
         try {
-            return FORMATTER.parse(birthday);
+            Date date = FORMATTER.parse(birthday);
+            if (date.after(new Date())) {
+                return null;
+            }
+            if (date.toInstant().toEpochMilli() < 0) {
+                return null;
+            }
+            return date;
         } catch (ParseException ignored) {
+            return null;
         }
-        return null;
     }
 }