import os

import redis
import yaml
from django.conf import settings
from django.http import HttpResponse
from django.shortcuts import render

from apps.rss_feeds.models import Feed, MStory
from apps.search.models import SearchFeed
from utils import log as logging


def about(request):
    return render(request, "static/about.xhtml")


def faq(request):
    return render(request, "static/faq.xhtml")


def api(request):
    filename = settings.TEMPLATES[0]["DIRS"][0] + "/static/api.yml"
    api_yml_file = open(filename).read()
    data = yaml.load(api_yml_file)

    return render(request, "static/api.xhtml", {"data": data})


def press(request):
    return render(request, "static/press.xhtml")


def privacy(request):
    return render(request, "static/privacy.xhtml")


def tos(request):
    return render(request, "static/tos.xhtml")


def webmanifest(request):
    filename = settings.MEDIA_ROOT + "/extensions/edge/manifest.json"
    manifest = open(filename).read()

    return HttpResponse(manifest, content_type="application/manifest+json")


def apple_app_site_assoc(request):
    return render(request, "static/apple_app_site_assoc.xhtml")


def apple_developer_merchantid(request):
    return render(request, "static/apple_developer_merchantid.xhtml")


def feedback(request):
    return render(request, "static/feedback.xhtml")


def firefox(request):
    filename = settings.MEDIA_ROOT + "/extensions/firefox/manifest.json"
    manifest = open(filename).read()

    return HttpResponse(manifest, content_type="application/x-web-app-manifest+json")


def ios(request):
    return render(request, "static/ios.xhtml")


def android(request):
    return render(request, "static/android.xhtml")


def ios_download(request):
    return render(request, "static/ios_download.xhtml")


def ios_plist(request):
    filename = os.path.join(settings.NEWSBLUR_DIR, "clients/ios/NewsBlur.plist")
    manifest = open(filename).read()

    logging.user(request, "~SK~FR~BBDownloading NewsBlur.plist...")
    return HttpResponse(manifest, content_type="text/xml")


def ios_ipa(request):
    filename = os.path.join(settings.NEWSBLUR_DIR, "clients/ios/NewsBlur.ipa")
    manifest = open(filename).read()

    logging.user(request, "~SK~FR~BBDownloading NewsBlur.ipa...")
    return HttpResponse(manifest, content_type="application/octet-stream")


def haproxy_check(request):
    return HttpResponse("OK")


def postgres_check(request):
    feed = Feed.objects.latest("pk").pk
    if feed:
        return HttpResponse(unicode(feed))
    assert False, "Cannot read from postgres database"


def mongo_check(request):
    stories = MStory.objects.count()
    if stories:
        return HttpResponse(unicode(stories))
    assert False, "Cannot read from mongo database"


def elasticsearch_check(request):
    client = SearchFeed.ES()
    if client.indices.exists_index(SearchFeed.index_name()):
        return HttpResponse(SearchFeed.index_name())
    assert False, "Cannot read from elasticsearch database"


def redis_check(request):
    pool = request.GET["pool"]
    if pool == "main":
        r = redis.Redis(connection_pool=settings.REDIS_POOL)
    elif pool == "story":
        r = redis.Redis(connection_pool=settings.REDIS_STORY_HASH_POOL)
    elif pool == "sessions":
        r = redis.Redis(connection_pool=settings.REDIS_SESSION_POOL)

    key = r.randomkey()
    if key:
        return HttpResponse(unicode(key))
    assert False, "Cannot read from redis-%s database" % pool