#!/usr/bin/env python3
"""
The main quest models.
"""
from django.db import models
from django.conf import settings
from django.core.validators import MaxValueValidator, MinValueValidator

class Quest(models.Model):
	"""
	The meta quest object. Contains general information about the quest.
	"""
	title = models.CharField(max_length=200)
	owner = models.ForeignKey(
		settings.AUTH_USER_MODEL,
		on_delete=models.CASCADE)


class Message(models.Model):
	"""
	Represents a chat message.
	"""
	quest = models.ForeignKey(Quest, on_delete=models.CASCADE)
	user = models.ForeignKey(
		settings.AUTH_USER_MODEL,
		on_delete=models.CASCADE,
		blank=True,
		null=True)
	timestamp = models.DateTimeField(auto_now=True)
	message = models.TextField(max_length=512)


class Post(models.Model):
	"""
	An object for arbituary posts. Contains all post data, type, etc.
	"""
	quest = models.ForeignKey(Quest, on_delete=models.CASCADE)
	page_num = models.IntegerField(default=1)
	POST_TYPES = (
		('text', 'Text'),
		('dice', 'Dice'),
		('poll', 'Poll')
	)
	post_type = models.CharField(max_length=4, choices=POST_TYPES)
	post_text = models.TextField()
	timestamp = models.DateTimeField(auto_now=True)


class DiceCall(models.Model):
	"""
	An object representing dice calls made by the QM.
	"""
	post = models.OneToOneField(
		Post,
		on_delete=models.CASCADE,
		primary_key=True,
	)
	dice_roll = models.CharField(max_length=9)
	strict = models.BooleanField()
	dice_challenge = models.IntegerField(
		null=True,
		blank=True,
		validators=[
			MaxValueValidator(999),
			MinValueValidator(1)
		]
	)
	rolls_taken = models.IntegerField(
		null=True,
		blank=True,
		validators=[
			MaxValueValidator(99),
			MinValueValidator(1)
		]
	)
	open = models.BooleanField(default=False)


class DiceRoll(models.Model):
	"""
	Represents a dice roll made on a valid dicecall.
	"""
	dicecall = models.ForeignKey(DiceCall, on_delete=models.CASCADE)
	message = models.OneToOneField(
		Message,
		on_delete=models.CASCADE,
		primary_key=True,
	)
	roll = models.CharField(max_length=9)
	results = models.TextField()
	total = models.IntegerField()


class PageTitle(models.Model):
	"""
	Represents the title of a quest page.
	"""
	quest = models.ForeignKey(Quest, on_delete=models.CASCADE)
	page_num = models.IntegerField()
	title = models.CharField(max_length=200)

	def __str__(self):
		return self.title