#!/usr/bin/env python3
"""
A class and functions needed for playing handman.
"""
import os
import random

from module import commands, example

class Scramble():
	def __init__(self, bot):
		self.word = self._PickWord(bot)
		self.shuffled = [x for x in self.word]
		random.shuffle(self.shuffled)
		self.shuffled = "".join(self.shuffled)

	def _PickWord(self, bot):
		with open(os.path.join(bot.static, "wordlist.txt"), "r") as file:
			word = random.choice(file.read().splitlines())
		return word


def isAnagram(bot, word1, word2):
	"""Checks to see if word2 is an anagram of word1."""
	with open(os.path.join(bot.static, "wordlist.txt"), "r") as file:
		words = file.read().splitlines()
	if not word2 in words:
		return False

	word1 = list(word1)
	word2 = list(word2)

	for char in word1:
		if char in word2:
			word2.remove(char)
		else:
			return False

	if not word2:
		return True
	else:
		return False


def setup(bot):
	bot.memory["scramble"] = {}


@commands("scramble", "sc")
@example(".scramble --start")
@example(".sc anus")
def scramble(bot, trigger):
	"""
	Plays scramble. --start [-s] to start a new game, otherwise arguments
	are taken as attempts to solve.
	"""
	if not trigger.group(2):
		return bot.reply("Scramble what?")

	if trigger.group(3) == "--start" or trigger.group(3) == "-s":
		if bot.memory["scramble"].get(trigger.channel):
			return bot.reply("There is already a game running in this channel.")

		bot.memory["scramble"][trigger.channel] = Scramble(bot)
		msg = f"{trigger.nick} has started a game of scramble! " \
			+ "Use '.scramble [guess]' to guess a letter or the entire word."
		bot.msg(msg)
		bot.msg(bot.memory["scramble"][trigger.channel].shuffled)
		return

	if not bot.memory["scramble"].get(trigger.channel):
		msg = "There is no game currently running in this channel. " \
			+ "Use '.scramble --start' to start one"
		return bot.reply(msg)

	word = bot.memory["scramble"][trigger.channel].word
	if isAnagram(bot, word, trigger.group(2)):
		bot.msg(f"{trigger.nick} has won!")
		msg = "Original word: " \
			+ bot.memory["scramble"][trigger.channel].word
		bot.msg(msg)
		bot.memory["scramble"].pop(trigger.channel)
	else:
		bot.reply("Incorrect.")
		bot.msg(bot.memory["scramble"][trigger.channel].shuffled)