From c8be1f1725f497399c7c75f404f85591d7b189ed Mon Sep 17 00:00:00 2001
From: scragly <29337040+scragly@users.noreply.github.com>
Date: Thu, 27 Dec 2018 04:05:37 +1000
Subject: Add charinfo command.

---
 bot/cogs/utils.py | 47 ++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 46 insertions(+), 1 deletion(-)

diff --git a/bot/cogs/utils.py b/bot/cogs/utils.py
index b101b8816..d605cd201 100644
--- a/bot/cogs/utils.py
+++ b/bot/cogs/utils.py
@@ -1,8 +1,9 @@
 import logging
+import re
+import unicodedata
 from email.parser import HeaderParser
 from io import StringIO
 
-
 from discord import Colour, Embed
 from discord.ext.commands import AutoShardedBot, Context, command
 
@@ -87,6 +88,50 @@ class Utils:
 
         await ctx.message.channel.send(embed=pep_embed)
 
+    @command()
+    async def charinfo(self, ctx, *, characters: str):
+        """
+        Shows you information on up to 25 unicode characters.
+        """
+
+        match = re.match(r"<(a?):([a-zA-Z0-9\_]+):([0-9]+)>", characters)
+        if match:
+            embed = Embed(
+                title="Non-Character Detected",
+                description=(
+                    "Only unicode characters can be processed, but a custom Discord emoji "
+                    "was found. Please remove it and try again."
+                )
+            )
+            embed.colour = Colour.red()
+            return await ctx.send(embed=embed)
+
+        if len(characters) > 25:
+            embed = Embed(title=f"Too many characters ({len(characters)}/25)")
+            embed.colour = Colour.red()
+            return await ctx.send(embed=embed)
+
+        def get_info(char):
+            digit = f"{ord(char):x}"
+            if len(digit) <= 4:
+                u_code = f"\\u{digit:>04}"
+            else:
+                u_code = f"\\U{digit:>08}"
+            url = f"https://www.compart.com/en/unicode/U+{digit:>04}"
+            name = f"[{unicodedata.name(char, '')}]({url})"
+            info = f"`{u_code.ljust(10)}`: {name} - {char}"
+            return info, u_code
+
+        charlist, rawlist = zip(*(get_info(c) for c in characters))
+
+        embed = Embed(description="\n".join(charlist))
+        embed.set_author(name="Character Info")
+
+        if len(characters) > 1:
+            embed.add_field(name='Raw', value=f"`{''.join(rawlist)}`", inline=False)
+
+        await ctx.send(embed=embed)
+
 
 def setup(bot):
     bot.add_cog(Utils(bot))
-- 
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