# -*- coding: utf-8 -*-
import hashlib
from datetime import datetime, date

from django.db import models
from django.utils.translation import ugettext_lazy as _
from django.conf import settings
from django.contrib.sites.models import Site

from .managers import BiasedManager, BannerGroupCached


class URL(models.Model):
    title = models.CharField(verbose_name=u'Заголовок', max_length=256)
    url = models.CharField(verbose_name=u'URL or URL RegEx', max_length=2048)
    regex = models.BooleanField(verbose_name=u'RegEx', default=False)
    sites = models.ManyToManyField(Site, related_name='site_urls', verbose_name=_('Sites'), null=True, blank=True)

    public = models.BooleanField(verbose_name=u'Активный', default=True)
    created_at = models.DateTimeField(verbose_name=_('Created At'), auto_now_add=True)
    updated_at = models.DateTimeField(verbose_name=_('Updated At'), auto_now=True)

    def __unicode__(self):
        return self.title

    class Meta:
        ordering = ['-created_at']
        verbose_name = _('URL')
        verbose_name_plural = _('URLs')

    def get_admin_url(self):
        return '/admin/expobanners/banners/url/%d/edit/'%self.id


class BannerGroup (models.Model):
    name = models.CharField(verbose_name=u'Имя', max_length=255)
    slug = models.SlugField(verbose_name=u'URL', unique=True)
    width = models.PositiveSmallIntegerField(verbose_name=u'Ширина', default=0)
    height = models.PositiveSmallIntegerField(verbose_name=u'Высота', default=0)
    speed = models.PositiveSmallIntegerField(verbose_name=u'Скорость отображения', default=2000)

    public = models.BooleanField(verbose_name=u'Активная', default=True)
    created_at = models.DateTimeField(verbose_name=_('Created At'), auto_now_add=True)
    updated_at = models.DateTimeField(verbose_name=_('Updated At'), auto_now=True)
    cached = BannerGroupCached()

    def size(self):
        return '%sx%s' % (self.width, self.height)

    def __unicode__(self):
        return '%s - [%s x %s]' % (self.name,  self.width, self.height)

    class Meta:
        ordering = ['name']
        verbose_name = _('Banner Group')
        verbose_name_plural = _('Banner Groups')

    def get_admin_url(self):
        return '/admin/expobanners/banners/group/%d/edit/'%self.id


class Banner(models.Model):
    objects = BiasedManager()

    title = models.CharField(verbose_name=u'Заголовок', max_length=255, blank=True)
    alt = models.CharField(verbose_name=_('Alt'), max_length=255)

    text = models.TextField(verbose_name=u'Текст', blank=True, null=True)
    img = models.FileField(verbose_name=u'Картинка', upload_to='expo_upload', blank=True, null=True)
    url = models.CharField(verbose_name=u'URL', max_length=1024)

    sort = models.PositiveSmallIntegerField(verbose_name=u'Сорт', default=500)

    group = models.ForeignKey(BannerGroup, related_name='banners', verbose_name=u'Место', null=True, blank=True)
    often = models.PositiveSmallIntegerField(
        verbose_name=_('Often'),
        help_text=_('A ten will display 10 times more often that a one.'),
        choices=[[i, i] for i in range(11)]
    )
    urls = models.ManyToManyField(URL, related_name='url_banners', verbose_name=_('URLs'), null=True, blank=True)

    html = models.BooleanField(verbose_name=_('HTML?'), default=False)
    flash = models.BooleanField(verbose_name=_('Flash?'), default=False)
    paid = models.BooleanField(verbose_name=_('Is Paid event link?'), default=False)


    public = models.BooleanField(verbose_name=u'Активный', default=True)
    created_at = models.DateTimeField(verbose_name=_('Created At'), auto_now_add=True)
    updated_at = models.DateTimeField(verbose_name=_('Updated At'), auto_now=True)

    theme = models.ForeignKey('theme.Theme', blank=True, null=True, verbose_name=u'Тематика')
    tag = models.ForeignKey('theme.Tag', blank=True, null=True, verbose_name=u'Тег')
    country = models.ForeignKey('country.Country', blank=True, null=True, verbose_name=u'Страна')
    city = models.ForeignKey('city.City', blank=True, null=True, verbose_name=u'Город')


    def get_admin_url(self):
        return '/admin/expobanners/banners/banner/%d/edit/'%self.id


    def key(slef):
        if hasattr(settings, 'SECRET_KEY'):
            key = str(datetime.now()) + settings.SECRET_KEY
        else:
            key = str(datetime.now())
        return hashlib.md5(key).hexdigest()

    def log(self, request, type, key):
        log = {
            'type': type,
            'key': key,
            'banner': self,
            'group': self.group,
            'ip': request.META.get('REMOTE_ADDR'),
            'user_agent': request.META.get('HTTP_USER_AGENT'),
            'page': request.META.get('HTTP_REFERER'),
        }

        if request.user.is_authenticated():
            log['user'] = request.user
        return Log.objects.create(**log)

    @models.permalink
    def image(self):
        return ('banner_view', (), {'banner_id': self.pk, 'key': self.key()})

    def impressions(self):
        return Log.objects.filter(banner=self.pk, type=0).count()

    def views(self):
        return Log.objects.filter(banner=self.pk, type=1).count()

    def clicks(self):
        return Log.objects.filter(banner=self.pk, type=2).count()

    def __unicode__(self):
        return self.title or self.alt

    def get_absolute_url(self):
        if self.url == '#':
            return self.url
        else:
            @models.permalink
            def get_absolute_url(self):
                return ('banner_click', (), {'banner_id': self.pk, 'key': self.key()})
            return get_absolute_url(self)

    class Meta:
        ordering = ['sort']
        verbose_name = _('Banner')
        verbose_name_plural = _('Banners')


class Log(models.Model):
    banner = models.ForeignKey(Banner, related_name='banner_logs')
    group = models.ForeignKey(BannerGroup, related_name='group_logs', verbose_name=_('Group'), blank=True)
    urls = models.ManyToManyField(URL, related_name='url_logs', verbose_name=_('URLs'), blank=True)

    user = models.ForeignKey(settings.AUTH_USER_MODEL, null=True, blank=True, related_name='users', verbose_name=_('User'))
    datetime = models.DateTimeField(verbose_name=_('Clicked At'), auto_now_add=True)
    ip = models.IPAddressField(verbose_name=_('IP'), null=True, blank=True)
    user_agent = models.CharField(verbose_name=_('User Agent'), max_length=1024, null=True, blank=True)
    page = models.URLField(verbose_name=_('Page'), null=True, blank=True)
    key = models.CharField(verbose_name=_('User Agent'), max_length=32, null=True, blank=True)
    TYPE_CHOICES = (
        (0, 'impressions'),
        (1, 'view'),
        (2, 'click')
    )

    type = models.PositiveSmallIntegerField(verbose_name=_('Type'), max_length=1, default=0, choices=TYPE_CHOICES)

    def __unicode__(self):
        return '%s - (%s)' % (self.banner, self.datetime)


class LogStat(models.Model):
    banner = models.ForeignKey(Banner, related_name='banner_stat', verbose_name=_('Banner'), blank=True)
    group = models.ForeignKey(BannerGroup, related_name='group_stat', verbose_name=_('Group'), blank=True)
    urls = models.ManyToManyField(URL, related_name='url_bloks', verbose_name=_('URLs'), null=True, blank=True)

    date = models.DateField(verbose_name=_('Data'))
    view = models.PositiveIntegerField(verbose_name=_('Views'))
    click = models.PositiveIntegerField(verbose_name=_('Clicks'))
    unique_click = models.PositiveIntegerField(verbose_name=_('Unique Views'), blank=True, null=True)
    unique_view = models.PositiveIntegerField(verbose_name=_('Unique Clicks'))

    def __unicode__(self):
        return '%s - (%s)' % (self.banner, self.date)


# ------------------
class Paid(models.Model):
    tickets = models.ForeignKey(Banner, related_name='paid_tickets')
    participation = models.ForeignKey(Banner, related_name='paid_participation')
    official = models.ForeignKey(Banner, related_name='paid_official')
    logo = models.ImageField(upload_to='/')# !!!!!
    organiser = models.CharField(max_length=100)
    active = models.BooleanField(default=True)
    stat_pswd = models.CharField(max_length=16)
    created = models.DateTimeField(auto_now_add=True)
    modified = models.DateTimeField(auto_now=True)


class PaidStat(models.Model):
    paid = models.ForeignKey(Paid)
    date = models.DateField(verbose_name=_('Date'))
    page_views = models.PositiveIntegerField(default=0)
    price_views = models.PositiveIntegerField(default=0)
    catalog_views = models.PositiveIntegerField(default=0)
    catalog_clicks = models.PositiveIntegerField(default=0)


class Top(models.Model):
    catalog = models.CharField(max_length=16)
    position = models.PositiveIntegerField(blank=True, null=True)
    theme = models.ManyToManyField('theme.Theme', blank=True, null=True)
    excluded_tags = models.ManyToManyField('theme.Tag', blank=True, null=True)
    country = models.ManyToManyField('country.Country', blank=True, null=True)
    excluded_cities = models.ManyToManyField('city.City', blank=True, null=True)
    fr = models.DateField(default=date.today())
    to = models.DateField(blank=True, null=True)
    stat_pswd = models.CharField(max_length=16)

    class Meta:
        ordering = ['position']


class TopStat(models.Model):
    date = models.DateField()
    theme = models.ForeignKey('theme.Theme', blank=True, null=True)
    tag = models.ForeignKey('theme.Tag', blank=True, null=True)
    country = models.ForeignKey('country.Country', blank=True, null=True)
    city = models.ForeignKey('city.City', blank=True, null=True)
    views = models.PositiveIntegerField(default=0)
    clicks = models.PositiveIntegerField(default=0)