# coding=utf-8
import random
import re
from lms.decors import api_decor
from management.letters import sent_comment_news
from library.models import Article
from management.models import Comment
from storage.models import Storage
import django.utils.timezone


@api_decor(without_auth=True)
def get_random_article(request, context):
    context['code'] = '1'
    context['data'] = random.choice(Article.objects.exclude(id=request.GET['id'])).slug
    return context


@api_decor(without_auth=False, method='POST', need_keys=['art'], check_request=True)
def set_favorite(request, context):
    try:
        article = Article.objects.get(id=request.POST['art'])
    except Article.DoesNotExist:
        context['code'] = '0'
        context['response'] = u'Статья не найдена'
    else:
        article.set_favorite(request.user)
        context['code'] = '1'
    return context


@api_decor(without_auth=False, method='POST', need_keys=['art'], check_request=True)
def unset_favorite(request, context):
    try:
        article = Article.objects.get(id=request.POST['art'])
    except Article.DoesNotExist:
        context['code'] = '0'
        context['response'] = u'Статья не найдена'
    else:
        article.unset_favorite(request.user)
        context['code'] = '1'
    return context


@api_decor(without_auth=False, method='GET', need_keys=['id'], check_request=True)
def check_favorite(request, context):
    try:
        article = Article.objects.get(id=request.GET['id'])
    except Article.DoesNotExist:
        context['code'] = '0'
        context['response'] = u'Статья не найдена'
    else:
        if article.check_favorit_exists(request.user):
            context['code'] = '1'
        else:
            context['code'] = '0'
    return context


@api_decor(without_auth=True, need_keys=['lesson'], method='POST', check_request=True)
def load_comments(request, context):
    # Загрузка списка комментариев
    lesson = Article.objects.get(id=request.POST['lesson'])
    context['data'] = lesson.get_comments(_user=request.user)

    if len(context['data']) == 0:
        context['code'] = '0'
    else:
        context['code'] = '1'
    return context


@api_decor(without_auth=True)
def get_comments_length(request, context):
    context['code'] = '1'
    context['data'] = Article.objects.get(id=request.GET['id']).comments.filter(closed=False).count()
    return context


@api_decor(without_auth=False)
def sent_comment(request, context):
    # Отправка комментария урока
    if request.POST['comment_sent_text']:
        lesson = Article.objects.get(id=request.POST['comment_for_lesson_id'])
        parent_id = request.POST['reply_for_comment_id']
        comment = Comment.objects.create(parent_id=parent_id, owner=request.user,
                                         bbtext=request.POST['comment_sent_text'], date=django.utils.timezone.now())

        lesson.comments.add(comment)
        lesson.save()
        # Получение о добавление файлов комментария
        r = re.compile('^file_')
        files_keys = []
        for i in request.POST.keys():
            if r.match(i): files_keys.append(i)

        if files_keys:
            for i in files_keys:
                comment.files.add(Storage.objects.get(key=request.POST[i]))
                comment.save()

        if parent_id != '0':
            comment2 = Comment.objects.get(id=parent_id)
            if comment2.owner.check_subscription('new_comment'):
                sent_comment_news(comment2, comment, lesson)
        context['code'] = '1'
        context['data'] = comment.id
    context['code'] = '1'
    return context


@api_decor(without_auth=False)
def set_like(request, context):
    try:
        article = Article.objects.get(id=request.POST['id'])
    except Article.DoesNotExist:
        context['code'] = '0'
        context['response'] = u'Статья не найдена'
    else:
        result = article.like_plus(request.user)
        context['code'] = '1' if result else '0'
    return context


@api_decor(without_auth=False)
def unset_like(request, context):
    try:
        article = Article.objects.get(id=request.POST['id'])
    except Article.DoesNotExist:
        context['code'] = '0'
        context['response'] = u'Статья не найдена'
    else:
        result = article.like_minus(request.user)
        context['code'] = '1' if result else '0'
    return context


@api_decor(without_auth=True)
def refresh_like(request, context):
    try:
        article = Article.objects.get(id=request.GET['id'])
    except Article.DoesNotExist:
        context['code'] = '0'
        context['response'] = u'Статья не найдена'
    else:
        context['data'] = article.get_likes_length()
        context['code'] = '1'
    return context


@api_decor(without_auth=True)
def get_articles_length(request, context):
    context['data'] = Article.objects.all().count()
    context['code'] = '1'
    return context


@api_decor(without_auth=True)
def get_all_views_length(request, context):
    views = 0
    for i in Article.objects.filter(public=True):
        views += i.get_views_length()
    context['code'] = '1'
    context['data'] = views
    return context