#!/usr/bin/env python3
"""
Some administrative functions relating to the channel the bot is in. Note
that most of these will require the bot to have admin privileges in the
channel.
"""
import re

import module
from tools import op_level, configureHostMask

op = ['~', '!', '@', '%']

@module.require_chanmsg
@module.require_admin
@module.commands('kick')
@module.example(".kick faggot being a faggot")
def kick(bot, trigger):
	"""
	Kick a user from the channel.
	"""
	if bot.channels[trigger.channel].users[bot.nick].op_level not in op:
		return bot.reply("I'm not a channel operator!")
	if not trigger.group(2):
		return bot.reply("Who do you want me to kick?")

	target, _, reason = trigger.group(2).partition(" ")
	if not reason:
		reason = "Stop doing the bad."

	if target == bot.nick:
		return bot.reply("I can't let you do that.")

	bot.kick(trigger.channel, target, reason)


@module.require_chanmsg
@module.require_admin
@module.commands('ban')
@module.example(".ban faggot")
def ban(bot, trigger):
	"""
	This give admins the ability to ban a user.
	The bot must be a Channel Operator for this command to work.
	"""
	if bot.channels[trigger.channel].users[bot.nick].op_level not in op:
		return bot.reply("I'm not a channel operator!")
	if not trigger.group(2):
		return bot.reply("Who do you want me to ban?")

	banmask = configureHostMask(trigger.group(2))
	bot.mode(trigger.channel, True, "b", mask=banmask)


@module.require_chanmsg
@module.require_admin
@module.commands('unban')
@module.example(".unban faggot")
def unban(bot, trigger):
	"""
	This give admins the ability to unban a user.
	The bot must be a Channel Operator for this command to work.
	"""
	if bot.channels[trigger.channel].users[bot.nick].op_level not in op:
		return bot.reply("I'm not a channel operator!")
	if not trigger.group(2):
		return bot.reply("Who do you want me to ban?")

	banmask = configureHostMask(trigger.group(2))
	bot.mode(trigger.channel, False, "b", mask=banmask)


@module.require_chanmsg
@module.require_admin
@module.commands('kickban')
def kickban(bot, trigger):
	"""
	This gives admins the ability to kickban a user.
	The bot must be a Channel Operator for this command to work.
	.kickban [#chan] user1 user!*@module.* get out of here
	"""
	if bot.channels[trigger.channel].users[bot.nick].op_level not in op:
		return bot.reply("I'm not a channel operator!")
	if not trigger.group(2):
		return bot.reply("Who do you want me to ban?")

	target, _, reason = trigger.group(2).partition(" ")
	if not reason:
		reason = "Stop doing the bad."

	if target == bot.nick:
		return bot.reply("I can't let you do that.")

	banmask = configureHostMask(trigger.group(2).strip())
	bot.mode(trigger.channel, False, "b", mask=banmask)
	bot.kick(trigger.channel, target, reason)


@module.require_chanmsg
@module.require_admin
@module.commands('settopic')
@module.example(".settopic We're discussing penises, would you like to join?")
def settopic(bot, trigger):
	"""
	This gives ops the ability to change the topic.
	The bot must be a Channel Operator for this command to work.
	"""
	if bot.channels[trigger.channel].users[bot.nick].op_level not in op:
		return bot.reply("I'm not a channel operator!")
	if not trigger.group(2):
		return bot.reply("What do you want the topic set to?")

	bot.topic(trigger.channel, trigger.group(2).strip())