import discord

async def execute(bot, params, message):
    role_removals = params.get('role_removals', [])
    if not role_removals:
        # Fallback for single removal
        role_removals = [params]
    removed_count = 0
    total_members = 0
    for removal in role_removals:
        target_mention = removal.get('target_user_mention')
        role_name = removal.get('role_name')
        role = discord.utils.find(lambda r: r.name.casefold() == role_name.casefold(), message.guild.roles)
        if not role:
            await message.channel.send(f"Rôle '{role_name}' introuvable.")
            continue

        # Check for bulk removal
        if target_mention.lower() in ['@everyone', 'everyone', 'all', 'tous']:
            total_members = 0
            removed_count = 0
            await message.channel.send(f"Retrait du rôle '{role.name}' de tous les membres... (Cela peut prendre du temps)")
            for member in message.guild.members:
                if member.bot:
                    continue  # Skip bots
                if role in member.roles:
                    try:
                        await member.remove_roles(role, reason=f"Rôle retiré par le Superviseur de tous les membres")
                        removed_count += 1
                        total_members += 1
                        if removed_count % 10 == 0:  # Progress update every 10 removes
                            await message.channel.send(f"Progression: {removed_count} sur {total_members} membres...")
                    except discord.Forbidden:
                        await message.channel.send(f"Impossible de retirer le rôle de {member.mention} (permissions insuffisantes)")
                        continue
                    except Exception as e:
                        await message.channel.send(f"Erreur lors du retrait à {member.mention}: {str(e)}")
                        continue
            await message.channel.send(f"Rôle '{role.name}' retiré à {removed_count} membres (bots exclus).")
            continue

        # Single user removal
        if target_mention.startswith('<@') and target_mention.endswith('>'):
            user_id = int(target_mention[2:-1])
        elif target_mention.startswith('<@!') and target_mention.endswith('>'):
            user_id = int(target_mention[3:-1])
        elif target_mention.startswith('@'):
            # Handle @username
            username = target_mention[1:]  # Remove @
            member = discord.utils.find(lambda m: m.name == username or m.display_name == username, message.guild.members)
            if not member:
                await message.channel.send(f"Utilisateur {target_mention} introuvable.")
                continue
            user_id = member.id
        else:
            try:
                user_id = int(target_mention)
            except ValueError:
                await message.channel.send(f"Mention ou ID invalide: {target_mention}")
                continue
        member = message.guild.get_member(user_id)
        if not member:
            await message.channel.send(f"Utilisateur {target_mention} introuvable.")
            continue
        try:
            await member.remove_roles(role, reason=f"Rôle retiré par le Superviseur")
            removed_count += 1
        except discord.Forbidden:
            await message.channel.send(f"Je n'ai pas les permissions pour retirer le rôle {role.name} de {member.mention}.")
    if removed_count > 0 and not total_members:
        await message.channel.send(f"{removed_count} rôle(s) retiré(s).")