import discord

async def execute(bot, params, message):
    channels = params.get('channels', [])
    if not channels:
        # Fallback for single channel
        channels = [params]
    guild = message.guild
    moved_count = 0
    for channel_params in channels:
        channel_name = channel_params.get('channel_name')
        new_category_name = channel_params.get('new_category_name')
        channel = discord.utils.find(lambda c: c.name.casefold() == channel_name.casefold(), guild.channels)
        if not channel:
            await message.channel.send(f"Salon '{channel_name}' introuvable.")
            continue
        category = discord.utils.find(lambda cat: cat.name.casefold() == new_category_name.casefold(), guild.categories)
        if not category:
            await message.channel.send(f"Catégorie '{new_category_name}' introuvable.")
            continue
        try:
            await channel.edit(category=category)
            moved_count += 1
        except discord.Forbidden:
            await message.channel.send(f"Je n'ai pas les permissions pour déplacer le salon '{channel_name}'.")
    if moved_count > 0:
        await message.channel.send(f"{moved_count} salon(s) déplacé(s).")