1 files changed, 54 insertions, 0 deletions
diff --git a/bot/exts/evergreen/coinflip.py b/bot/exts/evergreen/coinflip.py
new file mode 100644
index 00000000..dc9a960b
--- /dev/null
+++ b/bot/exts/evergreen/coinflip.py
@@ -0,0 +1,54 @@
+import random
+from typing import Optional, Tuple
+
+from discord.ext import commands
+
+from bot.bot import Bot
+
+
+LEMON_HYPERPLEASED = "<:lemon_hyperpleased:754441879822663811>"
+LEMON_PENSIVE = "<:lemon_pensive:754441880246419486>"
+
+
+class CoinSide(commands.Converter):
+    HEADS: Tuple[str] = ("h", "head", "heads")
+    TAILS: Tuple[str] = ("t", "tail", "tails")
+
+    async def convert(self, ctx: commands.Context, side: str) -> str:
+        if side in CoinSide.HEADS:
+            return "heads"
+
+        elif side in CoinSide.TAILS:
+            return "tails"
+
+        else:
+            raise commands.BadArgument(f"{side!r} is not a valid coin side.")
+
+
+class CoinFlip(commands.Cog):
+    """Cog for the CoinFlip command."""
+
+    @commands.command(name="coinflip", aliases=("flip", "coin", "cf"))
+    async def coinflip_command(self, ctx: commands.Context, side: Optional[CoinSide]) -> None:
+        """
+        Flips a coin.
+
+        If `coin_side` is provided will state whether you guessed the side correctly.
+        """
+        flipped_side = random.choice(["heads", "tails"])
+
+        if not side:
+            await ctx.send(f"{ctx.author.mention} Flipped **{flipped_side}**!")
+            return
+
+        message = f"{ctx.author.mention} Flipped **{flipped_side}**. "
+        if side == flipped_side:
+            message += f"You guessed correctly! {LEMON_HYPERPLEASED}"
+        else:
+            message += f"You guessed incorrectly. {LEMON_PENSIVE}"
+        await ctx.send(message)
+
+
+def setup(bot: Bot) -> None:
+    """Loads the coinflip cog."""
+    bot.add_cog(CoinFlip())