from django.contrib.gis.db import models
from django.utils import timezone
from django.utils.text import slugify
from django.urls import reverse

from taggit.managers import TaggableManager

from taxonomy.models import TaggedItems


class Section(models.Model):
    """ Generic model for Categories """
    name = models.CharField(max_length=250)
    slug = models.SlugField(blank=True)
    date_created = models.DateTimeField(blank=True, auto_now_add=True, editable=False)
    date_updated = models.DateTimeField(blank=True, auto_now=True, editable=False)

    def __str__(self):
        return self.name

    def save(self, *args, **kwargs):
        if self._state.adding:
            self.slug = slugify(self.name)[:50]
        super(Section, self).save()


class Publication(models.Model):
    name = models.CharField(max_length=250)
    url = models.CharField(max_length=250, blank=True)
    section = models.ManyToManyField(Section, blank=True)
    slug = models.SlugField(unique_for_date='pub_date', blank=True)
    notes = models.TextField(blank=True)
    tags = TaggableManager(through=TaggedItems, blank=True, help_text='Topics Covered')
    PUB_STATUS = (
        (0, 'Not Published'),
        (1, 'Published'),
    )
    status = models.IntegerField(choices=PUB_STATUS, default=0)
    date_created = models.DateTimeField(blank=True, auto_now_add=True, editable=False)
    date_updated = models.DateTimeField(blank=True, auto_now=True, editable=False)
    pays = models.BooleanField(default=True)
    pays_amount = models.CharField(max_length=100, blank=True)
    submission_period_start = models.DateField(blank=True, null=True)
    submission_period_end = models.DateField(blank=True, null=True)

    class Meta:
        ordering = ('-name', '-date_created')

    def __str__(self):
        return self.name

    def get_absolute_url(self):
        return reverse("publications:pub-detail", kwargs={"slug": self.slug})

    def save(self, *args, **kwargs):
        if not self.id:
            self.date_created = timezone.now()
        self.date_updated = timezone.now()
        super(Publication, self).save()


class Editor(models.Model):
    first_name = models.CharField(max_length=250)
    last_name = models.CharField(max_length=250)
    email = models.CharField(max_length=250, blank=True)
    phone = models.CharField(max_length=250, blank=True)
    twitter = models.CharField(max_length=250, blank=True)
    slug = models.SlugField(blank=True)
    notes = models.TextField(blank=True)
    publication = models.ForeignKey(Publication, on_delete=models.SET_NULL, blank=True, null=True)
    section = models.ManyToManyField(Section, blank=True)
    date_created = models.DateTimeField(blank=True, auto_now_add=True, editable=False)
    date_updated = models.DateTimeField(blank=True, auto_now=True, editable=False)

    class Meta:
        ordering = ('-last_name', '-date_created')

    def __str__(self):
        return "{0} {1}".format(self.first_name, self.last_name)

    def get_absolute_url(self):
        return reverse("publications:pub-detail", kwargs={"slug": self.slug})

    def save(self, *args, **kwargs):
        if self._state.adding:
            self.slug = slugify('%s %s' % (self.first_name, self.last_name))[:50]
            self.date_created = timezone.now()
        self.date_updated = timezone.now()
        super(Editor, self).save()


class Pitch(models.Model):
    title = models.CharField(max_length=250)
    pitch = models.TextField()
    slug = models.SlugField(blank=True)
    editor = models.ForeignKey(Editor, on_delete=models.SET_NULL, blank=True, null=True)
    accepted = models.BooleanField(null=True, blank=True)
    date_sent = models.DateTimeField(blank=True, null=True)
    date_created = models.DateTimeField(blank=True, auto_now_add=True, editable=False)
    date_updated = models.DateTimeField(blank=True, auto_now=True, editable=False)

    class Meta:
        ordering = ('-title', '-date_sent')

    def __str__(self):
        return self.title

    def save(self, *args, **kwargs):
        if self._state.adding:
            self.slug = slugify(self.title)[:50]
            self.date_created = timezone.now()
        self.date_updated = timezone.now()
        super(Pitch, self).save()


class PitchIdea(models.Model):
    title = models.CharField(max_length=250)
    pitch = models.TextField()
    publication = models.ForeignKey(Publication, on_delete=models.SET_NULL, blank=True, null=True)
    date_created = models.DateTimeField(blank=True, auto_now_add=True, editable=False)
    date_updated = models.DateTimeField(blank=True, auto_now=True, editable=False)

    class Meta:
        ordering = ('-title', '-date_created')

    def __str__(self):
        return self.title

    def save(self, *args, **kwargs):
        if self._state.adding:
            self.date_created = timezone.now()
        self.date_updated = timezone.now()
        super(PitchIdea, self).save()