1 files changed, 110 insertions, 0 deletions
diff --git a/bot/exts/fun/anagram.py b/bot/exts/fun/anagram.py
new file mode 100644
index 00000000..9aee5f18
--- /dev/null
+++ b/bot/exts/fun/anagram.py
@@ -0,0 +1,110 @@
+import asyncio
+import json
+import logging
+import random
+from pathlib import Path
+
+import discord
+from discord.ext import commands
+
+from bot.bot import Bot
+from bot.constants import Colours
+
+log = logging.getLogger(__name__)
+
+TIME_LIMIT = 60
+
+# anagram.json file contains all the anagrams
+with open(Path("bot/resources/fun/anagram.json"), "r") as f:
+    ANAGRAMS_ALL = json.load(f)
+
+
+class AnagramGame:
+    """
+    Used for creating instances of anagram games.
+
+    Once multiple games can be run at the same time, this class' instances
+    can be used for keeping track of each anagram game.
+    """
+
+    def __init__(self, scrambled: str, correct: list[str]) -> None:
+        self.scrambled = scrambled
+        self.correct = set(correct)
+
+        self.winners = set()
+
+    async def message_creation(self, message: discord.Message) -> None:
+        """Check if the message is a correct answer and remove it from the list of answers."""
+        if message.content.lower() in self.correct:
+            self.winners.add(message.author.mention)
+            self.correct.remove(message.content.lower())
+
+
+class Anagram(commands.Cog):
+    """Cog for the Anagram game command."""
+
+    def __init__(self, bot: Bot):
+        self.bot = bot
+
+        self.games: dict[int, AnagramGame] = {}
+
+    @commands.command(name="anagram", aliases=("anag", "gram", "ag"))
+    @commands.guild_only()
+    async def anagram_command(self, ctx: commands.Context) -> None:
+        """
+        Given shuffled letters, rearrange them into anagrams.
+
+        Show an embed with scrambled letters which if rearranged can form words.
+        After a specific amount of time, list the correct answers and whether someone provided a
+        correct answer.
+        """
+        if self.games.get(ctx.channel.id):
+            await ctx.send("An anagram is already being solved in this channel!")
+            return
+
+        scrambled_letters, correct = random.choice(list(ANAGRAMS_ALL.items()))
+
+        game = AnagramGame(scrambled_letters, correct)
+        self.games[ctx.channel.id] = game
+
+        anagram_embed = discord.Embed(
+            title=f"Find anagrams from these letters: '{scrambled_letters.upper()}'",
+            description=f"You have {TIME_LIMIT} seconds to find correct words.",
+            colour=Colours.purple,
+        )
+
+        await ctx.send(embed=anagram_embed)
+        await asyncio.sleep(TIME_LIMIT)
+
+        if game.winners:
+            win_list = ", ".join(game.winners)
+            content = f"Well done {win_list} for getting it right!"
+        else:
+            content = "Nobody got it right."
+
+        answer_embed = discord.Embed(
+            title=f"The words were:  `{'`, `'.join(ANAGRAMS_ALL[game.scrambled])}`!",
+            colour=Colours.pink,
+        )
+
+        await ctx.send(content, embed=answer_embed)
+
+        # Game is finished, let's remove it from the dict
+        self.games.pop(ctx.channel.id)
+
+    @commands.Cog.listener()
+    async def on_message(self, message: discord.Message) -> None:
+        """Check a message for an anagram attempt and pass to an ongoing game."""
+        if message.author.bot or not message.guild:
+            return
+
+        game = self.games.get(message.channel.id)
+        if not game:
+            return
+
+        await game.message_creation(message)
+
+
+def setup(bot: Bot) -> None:
+    """Load the Anagram cog."""
+    bot.add_cog(Anagram(bot))