# -*- coding: utf-8 -*-

import os

from django.db import models
from django.utils.translation import ugettext_lazy as _
from TimeConvert import TimeConvert as tc

from manual.basemodels import CreateUpdateMixin
from utils.url_utils import upload_file_url


def upload_path(instance, old_filename):
    return 'file/{ym}/{stamp}{ext}'.format(
        ym=tc.local_string(format='%Y%m'),
        stamp=tc.local_timestamp(ms=True),
        ext=os.path.splitext(old_filename)[1].lower(),
    )


class HotQueryInfo(CreateUpdateMixin):
    query = models.CharField(_(u'query'), max_length=255, blank=True, null=True, help_text=u'搜索关键词', unique=True)

    class Meta:
        verbose_name = _(u'热门搜索')
        verbose_name_plural = _(u'热门搜索')

    def __unicode__(self):
        return unicode(self.pk)

    @property
    def data(self):
        return {
            'query': self.query,
        }


class HotRecommendInfo(CreateUpdateMixin):
    title = models.CharField(_(u'title'), max_length=255, blank=True, null=True, help_text=u'热门标题', unique=True)
    image = models.ImageField(_(u'image'), upload_to=upload_path, blank=True, null=True, help_text=u'热门图片')

    class Meta:
        verbose_name = _(u'热门推荐')
        verbose_name_plural = _(u'热门推荐')

    def __unicode__(self):
        return unicode(self.pk)

    @property
    def image_url(self):
        return upload_file_url(self.image)

    @property
    def data(self):
        return {
            'title': self.title,
            'image_url': self.image_url,
        }