import discord

async def execute(bot, params, message):
    purges = params.get('purges', [])
    if not purges:
        # Fallback for single purge
        purges = [params]
    total_deleted = 0
    for purge_params in purges:
        channel_name = purge_params.get('channel_name')
        channel_id = purge_params.get('channel_id')
        amount = purge_params.get('amount', 10)
        guild = message.guild
        channel = None
        if channel_id:
            try:
                channel = guild.get_channel(int(channel_id))
            except ValueError:
                pass
        elif channel_name:
            channel = discord.utils.find(lambda c: c.name.casefold() == channel_name.casefold(), guild.channels)
        if not channel:
            identifier = channel_id or channel_name or 'inconnu'
            await message.channel.send(f"Salon '{identifier}' introuvable.")
            continue
        try:
            deleted = await channel.purge(limit=amount)
            total_deleted += len(deleted)
        except discord.Forbidden:
            await message.channel.send(f"Je n'ai pas les permissions pour purger {channel.mention}.")
    if total_deleted > 0:
        await message.channel.send(f"{total_deleted} messages supprimés au total.")