# -*- coding: utf-8 -*-
# vi:si:et:sw=4:sts=4:ts=4
import os
from datetime import datetime

from django.contrib.auth.models import User
from django.db import models
from django.db.models import signals
from django.dispatch import dispatcher
from django.conf import settings

from ox.utils import json

class UserProfile(models.Model):
    reset_token = models.TextField(blank=True, null=True, unique=True)
    user = models.ForeignKey(User, unique=True)
    
    files_updated = models.DateTimeField(default=datetime.now)
    newsletter = models.BooleanField(default=True)

def user_post_save(sender, instance, **kwargs):
    profile, new = UserProfile.objects.get_or_create(user=instance)

models.signals.post_save.connect(user_post_save, sender=User)
    
class Preference(models.Model):
    user = models.ForeignKey(User, related_name='preferences')
    created = models.DateTimeField(auto_now_add=True)
    modified = models.DateTimeField(auto_now=True)
    key = models.CharField(blank=True, max_length=255)
    value = models.TextField(blank=True)

    def __unicode__(self):
        return u"%s/%s=%s" % (self.user, self.key, self.value)

def get_user_json(user):
    json = {}
    for key in ('username', ):
        json[key] = getattr(user, key)
    json['group'] = 'user'
    if user.is_staff:
        json['group'] = 'admin'
    elif user.has_perm('0x.vip'): #FIXME: permissions
        json['group'] = 'vip'
    json['preferences'] = get_preferences(user)
    json['ui'] = get_ui(user)
    return json

def get_ui(user):
    with open(os.path.join(settings.PROJECT_ROOT, 'templates', 'site.json')) as f:
        site = json.load(f)
    return site['user']['ui']
    '''
    return {
        "columns": ["id", "title", "director", "country", "year", "language", "genre"],
        "findQuery": {"conditions": [], "operator": ""},
        "groupsQuery": {"conditions": [], "operator": "|"},
        "groupsSize": 128,
        "itemView": "timeline",
        "listQuery": {"conditions": [], "operator": ""},
        "listsSize": 192,
        "listView": "icons",
        "sections": ["history", "lists", "public", "featured"],
        "showGroups": True,
        "showInfo": True,
        "showLists": True,
        "showMovies": True,
        "sort": settings.DEFAULT_SORT,
        "theme": settings.DEFAULT_THEME
    }
    '''

def get_preferences(user):
    prefs = {}
    for p in Preference.objects.filter(user=user):
        prefs[p.key] = json.loads(p.value)
    prefs['email'] = user.email
    return prefs

def get_preference(user, key, value=None):
    if key in ('email', ):
        value = getattr(user, key)
    else:
        q = Preference.objects.filter(user=user, key=key)
        if q.count() > 0:
            value = json.loads(q[0].value)
    return value

def set_preference(user, key, value):
    if key in ('email', ):
        setattr(user, key, value)
        user.save()
    else:
        value = json.dumps(value)
        q = Preference.objects.filter(user=user, key=key)
        if q.count() > 0:
            p = q[0]
            p.value = value
            p.save()
        else:
            p = Preference(user=user, key=key, value=value)
            p.save()