from django.db import models

from symposion.proposals.models import ProposalBase


class ProposalCategory(models.Model):

    name = models.CharField(max_length=100)
    slug = models.SlugField()
    
    def __unicode__(self):
        return self.name
    
    class Meta:
        verbose_name = "proposal category"
        verbose_name_plural = "proposal categories"


class Proposal(ProposalBase):
    
    AUDIENCE_LEVEL_NOVICE = 1
    AUDIENCE_LEVEL_EXPERIENCED = 2
    AUDIENCE_LEVEL_INTERMEDIATE = 3
    
    AUDIENCE_LEVELS = [
        (AUDIENCE_LEVEL_NOVICE, "Novice"),
        (AUDIENCE_LEVEL_INTERMEDIATE, "Intermediate"),
        (AUDIENCE_LEVEL_EXPERIENCED, "Experienced"),
    ]

    category = models.ForeignKey(ProposalCategory)
    audience_level = models.IntegerField(choices=AUDIENCE_LEVELS)
    
    recording_release = models.BooleanField(
        default=True,
        help_text="By submitting your talk proposal, you agree to give permission to the conference organizers to record, edit, and release audio and/or video of your presentation. If you do not agree to this, please uncheck this box."
    )
    
    class Meta:
        abstract = True


class TalkProposal(Proposal):
    class Meta:
        verbose_name = "talk proposal"


class TutorialProposal(Proposal):
    class Meta:
        verbose_name = "tutorial proposal"


class PosterProposal(Proposal):
    class Meta:
        verbose_name = "poster proposal"