from django.db import models
from django.contrib.auth.models import User


class TimeSlot(models.Model):

    slot = models.DateTimeField()

    def __str__(self):
        return self.slot.strftime("%A, %B %d, %Y @ %I:%M %p")


class Location(models.Model):

    name = models.CharField(max_length=255)

    def __str__(self):
        return self.name


class TalkType(models.Model):

    name = models.CharField(max_length=255)

    def __str__(self):
        return self.name


class AudienceSkillLevel(models.Model):

    name = models.CharField(max_length=255)

    def __str__(self):
        return self.name


class Category(models.Model):

    name = models.CharField(max_length=255)

    def __str__(self):
        return self.name

    class Meta:
        verbose_name_plural = "Categories"


class ProposalManager(models.Manager):

    def for_user(self, user):
        return self.get_query_set().filter(proposers=user)

    def approved(self):
        return self.get_query_set().filter(approved=True)


class Proposal(models.Model):

    objects = ProposalManager()

    title = models.CharField(max_length=255)

    type = models.ForeignKey(TalkType)
    category = models.ForeignKey(Category)
    audience_skill_level = models.ForeignKey(AudienceSkillLevel)
    location = models.ForeignKey(Location, blank=True, null=True)
    time_slot = models.ForeignKey(TimeSlot, blank=True, null=True)
    proposers = models.ManyToManyField(User)

    approved = models.BooleanField(default=False)
    recording_release = models.BooleanField(default=False)

    outline = models.TextField(blank=True)
    abstract = models.TextField(blank=True)
    notes = models.TextField(blank=True)

    def __str__(self):
        return self.title