"""
Discord Utilities

This module contains Discord helper functions for channels, roles, embeds,
and other Discord-specific operations.
"""
import logging
import os
import asyncio
from typing import Optional

import discord
from discord.ext import commands
from helpers.constants import SBA_COLOR, PD_SEASON, IMAGES

logger = logging.getLogger('discord_app')


async def send_to_bothole(ctx, content, embed):
    """Send a message to the pd-bot-hole channel."""
    await discord.utils.get(ctx.guild.text_channels, name='pd-bot-hole') \
        .send(content=content, embed=embed)


async def send_to_news(ctx, content, embed):
    """Send a message to the pd-news-ticker channel."""
    await discord.utils.get(ctx.guild.text_channels, name='pd-news-ticker') \
        .send(content=content, embed=embed)


async def typing_pause(ctx, seconds=1):
    """Show typing indicator for specified seconds."""
    async with ctx.typing():
        await asyncio.sleep(seconds)


async def pause_then_type(ctx, message):
    """Show typing indicator based on message length, then send message."""
    async with ctx.typing():
        await asyncio.sleep(len(message) / 100)
        await ctx.send(message)


async def check_if_pdhole(ctx):
    """Check if the current channel is pd-bot-hole."""
    if ctx.message.channel.name != 'pd-bot-hole':
        await ctx.send('Slide on down to my bot-hole for running commands.')
        await ctx.message.add_reaction('❌')
        return False
    return True


async def bad_channel(ctx):
    """Check if current channel is in the list of bad channels for commands."""
    bad_channels = ['paper-dynasty-chat', 'pd-news-ticker']
    if ctx.message.channel.name in bad_channels:
        await ctx.message.add_reaction('❌')
        bot_hole = discord.utils.get(
            ctx.guild.text_channels,
            name=f'pd-bot-hole'
        )
        await ctx.send(f'Slide on down to the {bot_hole.mention} ;)')
        return True
    else:
        return False


def get_channel(ctx, name) -> Optional[discord.TextChannel]:
    """Get a text channel by name."""
    # Handle both Context and Interaction objects
    guild = ctx.guild if hasattr(ctx, 'guild') else None
    if not guild:
        return None
        
    channel = discord.utils.get(
        guild.text_channels,
        name=name
    )
    if channel:
        return channel
    return None


async def get_emoji(ctx, name, return_empty=True):
    """Get an emoji by name, with fallback options."""
    try:
        emoji = await commands.converter.EmojiConverter().convert(ctx, name)
    except:
        if return_empty:
            emoji = ''
        else:
            return name
    return emoji


async def react_and_reply(ctx, reaction, message):
    """Add a reaction to the message and send a reply."""
    await ctx.message.add_reaction(reaction)
    await ctx.send(message)


async def send_to_channel(bot, channel_name, content=None, embed=None):
    """Send a message to a specific channel by name or ID."""
    guild = bot.get_guild(int(os.environ.get('GUILD_ID')))
    if not guild:
        logger.error('Cannot send to channel - bot not logged in')
        return

    this_channel = discord.utils.get(guild.text_channels, name=channel_name)

    if not this_channel:
        this_channel = discord.utils.get(guild.text_channels, id=channel_name)
        if not this_channel:
            raise NameError(f'**{channel_name}** channel not found')

    return await this_channel.send(content=content, embed=embed)


async def get_or_create_role(ctx, role_name, mentionable=True):
    """Get an existing role or create it if it doesn't exist."""
    this_role = discord.utils.get(ctx.guild.roles, name=role_name)

    if not this_role:
        this_role = await ctx.guild.create_role(name=role_name, mentionable=mentionable)

    return this_role


def get_special_embed(special):
    """Create an embed for a special item."""
    embed = discord.Embed(title=f'{special.name} - Special #{special.get_id()}',
                          color=discord.Color.random(),
                          description=f'{special.short_desc}')
    embed.add_field(name='Description', value=f'{special.long_desc}', inline=False)
    if special.thumbnail.lower() != 'none':
        embed.set_thumbnail(url=f'{special.thumbnail}')
    if special.url.lower() != 'none':
        embed.set_image(url=f'{special.url}')

    return embed


def get_random_embed(title, thumb=None):
    """Create a basic embed with random color."""
    embed = discord.Embed(title=title, color=discord.Color.random())
    if thumb:
        embed.set_thumbnail(url=thumb)

    return embed


def get_team_embed(title, team=None, thumbnail: bool = True):
    """Create a team-branded embed."""
    if team:
        embed = discord.Embed(
            title=title,
            color=int(team["color"], 16) if team["color"] else int(SBA_COLOR, 16)
        )
        embed.set_footer(text=f'Paper Dynasty Season {team["season"]}', icon_url=IMAGES['logo'])
        if thumbnail:
            embed.set_thumbnail(url=team["logo"] if team["logo"] else IMAGES['logo'])
    else:
        embed = discord.Embed(
            title=title,
            color=int(SBA_COLOR, 16)
        )
        embed.set_footer(text=f'Paper Dynasty Season {PD_SEASON}', icon_url=IMAGES['logo'])
        if thumbnail:
            embed.set_thumbnail(url=IMAGES['logo'])

    return embed


async def create_channel_old(
        ctx, channel_name: str, category_name: str, everyone_send=False, everyone_read=True, allowed_members=None,
        allowed_roles=None):
    """Create a text channel with specified permissions (legacy version)."""
    this_category = discord.utils.get(ctx.guild.categories, name=category_name)
    if not this_category:
        raise ValueError(f'I couldn\'t find a category named **{category_name}**')

    overwrites = {
        ctx.guild.me: discord.PermissionOverwrite(read_messages=True, send_messages=True),
        ctx.guild.default_role: discord.PermissionOverwrite(read_messages=everyone_read, send_messages=everyone_send)
    }
    if allowed_members:
        if isinstance(allowed_members, list):
            for member in allowed_members:
                overwrites[member] = discord.PermissionOverwrite(read_messages=True, send_messages=True)
    if allowed_roles:
        if isinstance(allowed_roles, list):
            for role in allowed_roles:
                overwrites[role] = discord.PermissionOverwrite(read_messages=True, send_messages=True)

    this_channel = await ctx.guild.create_text_channel(
        channel_name,
        overwrites=overwrites,
        category=this_category
    )

    logger.info(f'Creating channel ({channel_name}) in ({category_name})')

    return this_channel


async def create_channel(
        ctx, channel_name: str, category_name: str, everyone_send=False, everyone_read=True,
        read_send_members: list = None, read_send_roles: list = None, read_only_roles: list = None):
    """Create a text channel with specified permissions."""
    # Handle both Context and Interaction objects
    guild = ctx.guild if hasattr(ctx, 'guild') else None
    if not guild:
        raise ValueError(f'Unable to access guild from context object')
        
    # Get bot member - different for Context vs Interaction
    if hasattr(ctx, 'me'):  # Context object
        bot_member = ctx.me
    elif hasattr(ctx, 'client'):  # Interaction object
        bot_member = guild.get_member(ctx.client.user.id)
    else:
        # Fallback - try to find bot member by getting the first member with bot=True
        bot_member = next((m for m in guild.members if m.bot), None)
        if not bot_member:
            raise ValueError(f'Unable to find bot member in guild')
    
    this_category = discord.utils.get(guild.categories, name=category_name)
    if not this_category:
        raise ValueError(f'I couldn\'t find a category named **{category_name}**')

    overwrites = {
        bot_member: discord.PermissionOverwrite(read_messages=True, send_messages=True),
        guild.default_role: discord.PermissionOverwrite(read_messages=everyone_read, send_messages=everyone_send)
    }
    if read_send_members:
        for member in read_send_members:
            overwrites[member] = discord.PermissionOverwrite(read_messages=True, send_messages=True)
    if read_send_roles:
        for role in read_send_roles:
            overwrites[role] = discord.PermissionOverwrite(read_messages=True, send_messages=True)
    if read_only_roles:
        for role in read_only_roles:
            overwrites[role] = discord.PermissionOverwrite(read_messages=True, send_messages=False)

    this_channel = await guild.create_text_channel(
        channel_name,
        overwrites=overwrites,
        category=this_category
    )

    logger.info(f'Creating channel ({channel_name}) in ({category_name})')

    return this_channel