import discord
from discord.ext import commands
import re
import os

# Set up intents explicitly
intents = discord.Intents.default()
intents.message_content = True  # Enable message content access

# Set up the bot
bot = commands.Bot(command_prefix='!', intents=intents)

# Event: Bot is ready and connected to Discord
@bot.event
async def on_ready():
    print(f'Logged in as {bot.user.name}')

# Event: Triggered when a message is sent in a channel the bot can see
@bot.event
async def on_message(message):
    # Ignore messages sent by the bot itself to prevent loops
    if message.author == bot.user:
        return

    # Check if the message contains "nixos" (case-insensitive, as a whole word, not in a URL)
    if re.search(r'\bnixos\b', message.content, re.IGNORECASE):
        # Replace "nixos" with "fagOS" (preserving case of the first letter), but exclude URLs
        new_content = re.sub(
            r'(?<!https?://\S*)\b(nixos)\b(?!\S*\/)',
            lambda m: 'FagOS' if m.group(1)[0].isupper() else 'fagOS',
            message.content,
            flags=re.IGNORECASE
        )

        # Get or create a webhook for impersonation
        webhooks = await message.channel.webhooks()
        webhook = next((w for w in webhooks if w.name == 'FagOSWebhook'), None)
        if webhook is None:
            webhook = await message.channel.create_webhook(name='FagOSWebhook')
        
        await message.delete()  # Delete the original

        # Send the modified message via webhook with original user's username and avatar
        await webhook.send(
            content=new_content,
            username=message.author.display_name,
            avatar_url=message.author.display_avatar.url
        )

    # Allow other commands to process (if any)
    await bot.process_commands(message)

# Run the bot using the token from the environment variable
bot.run(os.getenv('FAGOS_TOKEN'))