# -*- coding: utf-8 -*-
"""
IRC Bot Plugins: Join, Part, Nickname, Message, Topic, Invite, Voice, Kick, Ban, Op, and Mute Management

This module provides multiple IRC bot plugins:
1. `JoinPlugin`: Handles joining specific channels.
2. `PartPlugin`: Handles leaving specific channels.
3. `NickPlugin`: Handles changing the bot's nickname.
4. `MessagePlugin`: Handles sending messages.
5. `TopicPlugin`: Handles changing the channel topic.
6. `InvitePlugin`: Handles inviting users to a channel.
7. `VoicePlugin`: Handles granting and revoking voice (+v) privileges.
8. `KickPlugin`: Handles kicking users from the channel.
9. `BanPlugin`: Handles banning and unbanning users.
10. `OpPlugin`: Handles granting and removing operator privileges.
11. `MutePlugin`: Handles muting and unmuting users.

All commands require **admin** permissions.

Features:
- Join and leave specific channels.
- Change the bot's nickname.
- Send messages to users or channels.
- Change the channel topic.
- Invite users to channels.
- Voice a single user or all users in a channel.
- Devoice a single user or all users.
- Kick users with optional reasons.
- Ban and unban users.
- Grant and remove operator privileges.
- Mute and unmute users.

Author: Zodiac (Modified for verbose logging by bot.log)
"""

import asyncio
import irc3
from irc3.plugins.command import command


@irc3.plugin
class JoinPlugin:
    """A plugin to join specific IRC channels."""

    def __init__(self, bot):
        """
        Initialize the JoinPlugin.

        Args:
            bot (irc3.IrcBot): The IRC bot instance.
        """
        self.bot = bot

    @command(permission='admin')
    async def join(self, mask, target, args):
        """
        Join a specific channel.

        Usage:
            %%join <channel>
        """
        channel = args.get('<channel>')
        if channel:
            self.bot.log.info("Request to join channel %s", channel)
            await self.join_channel(channel)

    async def join_channel(self, channel):
        """
        Join a specific channel.

        Args:
            channel (str): The IRC channel to join.
        """
        self.bot.log.info("Joining channel %s", channel)
        self.bot.send(f'JOIN {channel}')


@irc3.plugin
class PartPlugin:
    """A plugin to leave specific IRC channels."""

    def __init__(self, bot):
        """
        Initialize the PartPlugin.

        Args:
            bot (irc3.IrcBot): The IRC bot instance.
        """
        self.bot = bot

    @command(permission='admin')
    async def part(self, mask, target, args):
        """
        Leave a specific channel.

        Usage:
            %%part <channel>
        """
        channel = args.get('<channel>')
        if channel:
            self.bot.log.info("Request to leave channel %s", channel)
            await self.part_channel(channel)

    async def part_channel(self, channel):
        """
        Leave a specific channel.

        Args:
            channel (str): The IRC channel to leave.
        """
        self.bot.log.info("Leaving channel %s", channel)
        self.bot.send(f'PART {channel}')


@irc3.plugin
class NickPlugin:
    """A plugin to change the bot's nickname."""

    def __init__(self, bot):
        """
        Initialize the NickPlugin.

        Args:
            bot (irc3.IrcBot): The IRC bot instance.
        """
        self.bot = bot

    @command(permission='admin')
    async def nick(self, mask, target, args):
        """
        Change the bot's nickname.

        Usage:
            %%nick <newnick>
        """
        newnick = args.get('<newnick>')
        if newnick:
            self.bot.log.info("Request to change nickname to %s", newnick)
            await self.change_nick(newnick)

    async def change_nick(self, newnick):
        """
        Change the bot's nickname.

        Args:
            newnick (str): The new nickname for the bot.
        """
        self.bot.log.info("Changing nickname to %s", newnick)
        self.bot.send(f'NICK {newnick}')


@irc3.plugin
class MessagePlugin:
    """A plugin to send messages to users or channels."""

    def __init__(self, bot):
        """
        Initialize the MessagePlugin.

        Args:
            bot (irc3.IrcBot): The IRC bot instance.
        """
        self.bot = bot

    @command(permission='admin')
    async def msg(self, mask, target, args):
        """
        Send a message to a user or channel.

        Usage:
            %%msg <target> <message>
        """
        msg_target = args.get('<target>')
        message = args.get('<message>')
        if msg_target and message:
            self.bot.log.info("Request to send message to %s: %s", msg_target, message)
            await self.send_message(msg_target, message)

    async def send_message(self, msg_target, message):
        """
        Send a message to a user or channel.

        Args:
            msg_target (str): The target user or channel.
            message (str): The message to send.
        """
        self.bot.log.info("Sending message to %s: %s", msg_target, message)
        self.bot.send(f'PRIVMSG {msg_target} :{message}')


@irc3.plugin
class TopicPlugin:
    """A plugin to change the topic of an IRC channel."""

    def __init__(self, bot):
        """
        Initialize the TopicPlugin.

        Args:
            bot (irc3.IrcBot): The IRC bot instance.
        """
        self.bot = bot

    @command(permission='admin')
    async def topic(self, mask, target, args):
        """
        Change the topic of a channel.

        Usage:
            %%topic <newtopic>
        """
        newtopic = args.get('<newtopic>')
        if newtopic:
            self.bot.log.info("Request to change topic to %s in %s", newtopic, target)
            await self.change_topic(target, newtopic)

    async def change_topic(self, target, newtopic):
        """
        Change the topic of a channel.

        Args:
            target (str): The IRC channel.
            newtopic (str): The new topic for the channel.
        """
        self.bot.log.info("Changing topic in channel %s to %s", target, newtopic)
        self.bot.send(f'TOPIC {target} :{newtopic}')


@irc3.plugin
class InvitePlugin:
    """A plugin to invite users to an IRC channel."""

    def __init__(self, bot):
        """
        Initialize the InvitePlugin.

        Args:
            bot (irc3.IrcBot): The IRC bot instance.
        """
        self.bot = bot

    @command(permission='admin')
    async def invite(self, mask, target, args):
        """
        Invite a user to a channel.

        Usage:
            %%invite <nick> <channel>
        """
        nick = args.get('<nick>')
        channel = args.get('<channel>')
        if nick and channel:
            self.bot.log.info("Request to invite %s to channel %s", nick, channel)
            await self.invite_user(nick, channel)

    async def invite_user(self, nick, channel):
        """
        Invite a user to a channel.

        Args:
            nick (str): The nickname of the user.
            channel (str): The IRC channel.
        """
        self.bot.log.info("Inviting user %s to channel %s", nick, channel)
        self.bot.send(f'INVITE {nick} {channel}')


@irc3.plugin
class VoicePlugin:
    """A plugin to manage voice (+v) privileges in an IRC channel."""

    def __init__(self, bot):
        """
        Initialize the VoicePlugin.

        Args:
            bot (irc3.IrcBot): The IRC bot instance.
        """
        self.bot = bot

    @command(permission='admin')
    async def voice(self, mask, target, args):
        """
        Grant voice to a specific user or all users in the channel.

        Usage:
            %%voice [<nick>]
        """
        nick = args.get('<nick>')
        if nick:
            self.bot.log.info("Request to grant voice to %s in %s", nick, target)
            await self.give_voice(target, nick)
        else:
            self.bot.log.info("Request to grant voice to all users in %s", target)
            await self.give_voice_all(target)

    @command(permission='admin')
    async def devoice(self, mask, target, args):
        """
        Remove voice from a specific user or all users in the channel.

        Usage:
            %%devoice [<nick>]
        """
        nick = args.get('<nick>')
        if nick:
            self.bot.log.info("Request to remove voice from %s in %s", nick, target)
            await self.remove_voice(target, nick)
        else:
            self.bot.log.info("Request to remove voice from all users in %s", target)
            await self.remove_voice_all(target)

    async def give_voice(self, target, nick):
        """
        Grant voice to a specific user.

        Args:
            target (str): The IRC channel.
            nick (str): The nickname of the user.
        """
        self.bot.log.info("Granting voice to user %s in channel %s", nick, target)
        self.bot.send(f'MODE {target} +v {nick}')

    async def remove_voice(self, target, nick):
        """
        Remove voice from a specific user.

        Args:
            target (str): The IRC channel.
            nick (str): The nickname of the user.
        """
        self.bot.log.info("Removing voice from user %s in channel %s", nick, target)
        self.bot.send(f'MODE {target} -v {nick}')

    async def give_voice_all(self, target):
        """
        Grant voice to all users in the channel who do not already have voice or op privileges.

        Args:
            target (str): The IRC channel.
        """
        self.bot.log.info("Granting voice to all non-voiced users in channel %s", target)
        result = await self.bot.async_cmds.names(target)
        for user in result['names']:
            nick = user.get('nick')
            modes = user.get('modes', '')
            # Check if the user already has op or voice based on the modes field.
            if modes.endswith('@') or modes.endswith('+'):
                continue
            self.bot.log.info("Granting voice to user %s", nick)
            self.bot.send(f'MODE {target} +v {nick}')
            await asyncio.sleep(0.07)  # Prevent server flooding

    async def remove_voice_all(self, target):
        """
        Remove voice from all users in the channel who currently have voice privileges.

        Args:
            target (str): The IRC channel.
        """
        self.bot.log.info("Removing voice from all voiced users in channel %s", target)
        result = await self.bot.async_cmds.names(target)
        for user in result['names']:
            nick = user.get('nick')
            modes = user.get('modes', '')
            # Remove voice only if the user has a voice prefix (and not op)
            if modes.endswith('+'):
                self.bot.log.info("Removing voice from user %s", nick)
                self.bot.send(f'MODE {target} -v {nick}')
                await asyncio.sleep(0.07)  # Prevent server flooding


@irc3.plugin
class KickPlugin:
    """A plugin to kick users from an IRC channel."""

    def __init__(self, bot):
        """
        Initialize the KickPlugin.

        Args:
            bot (irc3.IrcBot): The IRC bot instance.
        """
        self.bot = bot

    @command(permission='admin')
    async def kick(self, mask, target, args):
        """
        Kick a specific user from the channel with an optional reason.

        Usage:
            %%kick <nick> [<reason>]
        """
        nick = args.get('<nick>')
        reason = args.get('<reason>') or 'Kicked by admin'
        if nick:
            self.bot.log.info("Request to kick user %s from channel %s for reason: %s", nick, target, reason)
            await self.kick_user(target, nick, reason)

    async def kick_user(self, target, nick, reason):
        """
        Kick a user from the channel using ChanServ.

        Args:
            target (str): The IRC channel.
            nick (str): The nickname of the user.
            reason (str): The reason for kicking the user.
        """
        self.bot.log.info("Kicking user %s from channel %s", nick, target)
        self.bot.send(f'PRIVMSG ChanServ :KICK {target} {nick} {reason}')


@irc3.plugin
class BanPlugin:
    """A plugin to ban and unban users in an IRC channel."""

    def __init__(self, bot):
        """
        Initialize the BanPlugin.

        Args:
            bot (irc3.IrcBot): The IRC bot instance.
        """
        self.bot = bot

    @command(permission='admin')
    async def ban(self, mask, target, args):
        """
        Ban a specific user from the channel.

        Usage:
            %%ban <nick>
        """
        nick = args.get('<nick>')
        if nick:
            self.bot.log.info("Request to ban user %s from channel %s", nick, target)
            await self.ban_user(target, nick)

    @command(permission='admin')
    async def unban(self, mask, target, args):
        """
        Unban a specific user from the channel.

        Usage:
            %%unban <nick>
        """
        nick = args.get('<nick>')
        if nick:
            self.bot.log.info("Request to unban user %s from channel %s", nick, target)
            await self.unban_user(target, nick)

    async def ban_user(self, target, nick):
        """
        Ban a specific user from the channel.

        Args:
            target (str): The IRC channel.
            nick (str): The nickname of the user.
        """
        self.bot.log.info("Banning user %s in channel %s", nick, target)
        self.bot.send(f'MODE {target} +b {nick}')

    async def unban_user(self, target, nick):
        """
        Unban a specific user from the channel.

        Args:
            target (str): The IRC channel.
            nick (str): The nickname of the user.
        """
        self.bot.log.info("Unbanning user %s in channel %s", nick, target)
        self.bot.send(f'MODE {target} -b {nick}')


@irc3.plugin
class OpPlugin:
    """A plugin to grant and remove operator privileges in an IRC channel."""

    def __init__(self, bot):
        """
        Initialize the OpPlugin.

        Args:
            bot (irc3.IrcBot): The IRC bot instance.
        """
        self.bot = bot

    @command(permission='admin')
    async def op(self, mask, target, args):
        """
        Grant operator privileges to a specific user.

        Usage:
            %%op <nick>
        """
        nick = args.get('<nick>')
        if nick:
            self.bot.log.info("Request to grant operator privileges to %s in %s", nick, target)
            await self.give_op(target, nick)

    @command(permission='admin')
    async def deop(self, mask, target, args):
        """
        Remove operator privileges from a specific user.

        Usage:
            %%deop <nick>
        """
        nick = args.get('<nick>')
        if nick:
            self.bot.log.info("Request to remove operator privileges from %s in %s", nick, target)
            await self.remove_op(target, nick)

    async def give_op(self, target, nick):
        """
        Grant operator privileges to a specific user.

        Args:
            target (str): The IRC channel.
            nick (str): The nickname of the user.
        """
        self.bot.log.info("Granting operator privileges to user %s in channel %s", nick, target)
        self.bot.send(f'MODE {target} +o {nick}')

    async def remove_op(self, target, nick):
        """
        Remove operator privileges from a specific user.

        Args:
            target (str): The IRC channel.
            nick (str): The nickname of the user.
        """
        self.bot.log.info("Removing operator privileges from user %s in channel %s", nick, target)
        self.bot.send(f'MODE {target} -o {nick}')


@irc3.plugin
class MutePlugin:
    """A plugin to mute and unmute users in an IRC channel."""

    def __init__(self, bot):
        """
        Initialize the MutePlugin.

        Args:
            bot (irc3.IrcBot): The IRC bot instance.
        """
        self.bot = bot

    @command(permission='admin')
    async def mute(self, mask, target, args):
        """
        Mute a specific user in the channel.

        Usage:
            %%mute <nick>
        """
        nick = args.get('<nick>')
        if nick:
            self.bot.log.info("Request to mute user %s in channel %s", nick, target)
            await self.mute_user(target, nick)

    @command(permission='admin')
    async def unmute(self, mask, target, args):
        """
        Unmute a specific user in the channel.

        Usage:
            %%unmute <nick>
        """
        nick = args.get('<nick>')
        if nick:
            self.bot.log.info("Request to unmute user %s in channel %s", nick, target)
            await self.unmute_user(target, nick)

    async def mute_user(self, target, nick):
        """
        Mute a specific user in the channel.

        Args:
            target (str): The IRC channel.
            nick (str): The nickname of the user.
        """
        self.bot.log.info("Muting user %s in channel %s", nick, target)
        self.bot.send(f'MODE {target} +q {nick}')

    async def unmute_user(self, target, nick):
        """
        Unmute a specific user in the channel.

        Args:
            target (str): The IRC channel.
            nick (str): The nickname of the user.
        """
        self.bot.log.info("Unmuting user %s in channel %s", nick, target)
        self.bot.send(f'MODE {target} -q {nick}')