from django.db import models
from django.core.files.storage import FileSystemStorage
from django.conf import settings
import os

def name_artwork(inst, name):
    return '%s/artwork.%s'%(inst.abbr,name.split('.')[-1])
def name_css(inst, name):
    return '%s/style.css'%inst.abbr
def name_banner(inst, name):
    return '%s/banner.%s'%(inst.abbr,name.split('.')[-1])

# Create your models here.
class Show(models.Model):
    show_static_storage = FileSystemStorage(location=os.path.join(os.path.dirname(settings.MEDIA_ROOT), 'uploaded_resources'), base_url='showstatic')
    name = models.CharField(
            max_length=40,
            help_text="The full name of the show",
            verbose_name="Full Name"
    )
    abbr = models.SlugField(
            max_length=5,
            unique=True,
            help_text="A short abbreviation of the show, for use in urls",
            verbose_name="Abbreviation"
    )
    description = models.TextField(
            help_text="A description of the show",
            verbose_name="Description"
    )
    release = models.DateField(
            help_text="The release date of the first episode of the show",
            verbose_name="Release Date"
    )
    artwork = models.ImageField(
            storage=show_static_storage,
            upload_to = name_artwork,
            help_text="The artwork associated with the show.  Should display the name of the show in a movie-poster esque format.  Aspect ration should be about 2:3",
            verbose_name="Artwork"
    ) 
    imdb = models.URLField(
            help_text="The url of the IMDb page for this show",
            verbose_name="IMDb Page"
    )
    moderated = models.BooleanField(
            help_text="Wheter or not this show is user-moderated",
            verbose_name="User Moderated"
    )
    css = models.FileField(
            storage=show_static_storage,
            upload_to=name_css,
            help_text="The CSS stylesheet applied to this show's page",
            verbose_name="Custom Style"
    )
    banner = models.ImageField(
            storage=show_static_storage,
            upload_to = name_banner,
            help_text="A banner used for the show's page.",
            verbose_name="Artwork"
    ) 

class User(models.Model):
    auth_token=models.CharField(
            max_length=16,
            help_text="User's authentication token from IcyNet's auth system",
            verbose_name="IcyNet Auth Token"
    )
    display_name=models.CharField(
            max_length=20,
            help_text="The name shown to other users",
            verbose_name="Display Name"
    )

class Admin(User):
    pass

class Ban(models.Model):
    user = models.OneToOneField(
            User,
            on_delete=models.CASCADE,
            help_text="The user this ban applies to",
            verbose_name="Banned User"
    )
    admin = models.ForeignKey(
            Admin,
            on_delete=models.SET_NULL,
            null=True,
            help_text='The admin which banned this user',
            verbose_name='Banned By',
            related_name='bans'
    )
    reason = models.CharField(
            max_length=50,
            blank=True,
            help_text='The reason this user was banned',
            verbose_name='Ban Reason'
    )
    expiration = models.DateField(
            help_text='The date this user will become unbanned',
            blank=True,
            verbose_name='Expiration Date'
    )
    permanent = models.BooleanField(
            help_text='If checked, this user will never be unbanned, even if the expiration date passes',
            verbose_name='Permanent'
    )
    scope = models.ManyToManyField(
            Show,
            help_text='The shows this user is banned from interacting with',
            verbose_name='Banned From',
            related_name='bans'
    )
    site_wide = models.BooleanField(
            help_text='If checked, this is a site-wide ban, and the user is automatically banned from all shows, not just those in the Banned From (scope) paramenter',
            verbose_name = 'Site Wide Ban'
    )
class ShowModerator(models.Model):
    show = models.ForeignKey(
            Show,
            on_delete=models.CASCADE,
            help_text='The show this user moderates',
            verbose_name='Moderated Show',
            related_name='moderators',
    )
    user = models.ForeignKey(
            User,
            on_delete=models.CASCADE,
            help_text='The user who moderates this show',
            verbose_name='Moderator',
            related_name='moderated_shows'
    )
    appointed_by = models.ForeignKey(
            User,
            on_delete=models.SET_NULL,
            related_name='appointed_mods',
            null=True,
            help_text='The user who appointed this moderator',
            verbose_name='Appointed by'
    )
class Report(models.Model):
    reporter = models.ForeignKey(
            User,
            on_delete=models.SET_NULL,
            null=True,
            related_name='reports',
            help_text='The user who created this report',
            verbose_name='Reporter'
    )
    title = models.CharField(
            max_length=50,
            help_text='A brief summary of the report',
            verbose_name='Title'
    )
    details = models.TextField(
            help_text='The details of the report, preferably including why the content should be removed',
            verbose_name = 'Details'
    )
    url = models.URLField(
            max_length=100,
            help_text='The URL of the content being reported',
            verbose_name = 'Content URL'
    )
class ShowSubmission(models.Model):
    user = models.ForeignKey(
            User,
            on_delete=models.CASCADE,
            related_name='show_submissions',
            help_text='The user who submitted this show',
            verbose_name='Submitter'
    )
    name = Show.name
    details = models.TextField(
            help_text='Some details about the show.  Why it should be added, where information about it can be found, etc.',
            verbose_name='Details'
    )