import discord
import re

def strip_emoji(text):
    """Remove emoji characters from channel/role names for fuzzy matching."""
    emoji_pattern = re.compile("["
        u"\U0001F600-\U0001F64F"  # emoticons
        u"\U0001F300-\U0001F5FF"  # symbols & pictographs
        u"\U0001F680-\U0001F6FF"  # transport & map symbols
        u"\U0001F1E0-\U0001F1FF"  # flags (iOS)
        u"\U00002702-\U000027B0"  # dingbats
        u"\U000024C2-\U0001F251"  # misc
        u"\U0000FE00-\U0000FE0F"  # variation selectors
        u"\U0000200D"            # zero width joiner
        u"\U0000E0100-\U0000E01EFF"  # variation selectors supplement
        u"\u20E3"                # combining enclosing keycap
        u"\u00A9\u00AE\u2122"   # copyright, registered, trademark
        "]+", flags=re.UNICODE)
    return emoji_pattern.sub('', text).strip()

async def find_channel(guild, channel_name_or_id):
    """Find a channel by ID first, then by name (exact, then flexible)."""
    # 1. Try by ID
    try:
        ch_id = int(channel_name_or_id)
        channel = guild.get_channel(ch_id)
        if channel:
            return channel
    except (ValueError, TypeError):
        pass
    
    # 2. Try exact name match (case-insensitive)
    for ch in guild.channels:
        if ch.name.casefold() == channel_name_or_id.casefold():
            return ch
    
    # 3. Try fuzzy match (strip emojis from both sides)
    clean_search = strip_emoji(channel_name_or_id).lower().strip()
    for ch in guild.channels:
        clean_name = strip_emoji(ch.name).lower().strip()
        if clean_name == clean_search:
            return ch
        # 4. If the search name is contained in the channel name
        if clean_search and clean_search in clean_name:
            return ch
        # 5. Or the channel name is contained in the search
        if clean_search and clean_name in clean_search:
            return ch
    
    return None

async def execute(bot, params, message):
    channels = params.get('channels', [])
    if not channels:
        channels = [params]
    guild = message.guild
    deleted_count = 0
    for channel_params in channels:
        # Support both channel_id and channel_name
        channel_name = channel_params.get('channel_name') or channel_params.get('channel_id')
        if not channel_name:
            continue  # skip if no name or id
        channel = await find_channel(guild, channel_name)
        if not channel:
            await message.channel.send(f"Salon '{channel_name}' introuvable.")
            continue
        try:
            await channel.delete(reason="Supprimé par le Superviseur")
            deleted_count += 1
        except discord.Forbidden:
            await message.channel.send(f"Je n'ai pas les permissions pour supprimer le salon '{channel_name}'.")
    if deleted_count > 0:
        await message.channel.send(f"{deleted_count} salon(s) supprimé(s).")