import datetime

from annoying.functions import get_object_or_None
from django.shortcuts import get_object_or_404, render
from snipts.models import Snipt

THEME_CHOICES = {"D": "blogs/themes/default/", "A": "blogs/themes/pro-adams/"}


def blog_list(request, username_or_custom_slug=None):

    if username_or_custom_slug:
        return blog_post(request, username_or_custom_slug)

    snipts = (
        Snipt.objects.filter(
            user=request.blog_user,
            blog_post=True,
            public=True,
            publish_date__lte=datetime.datetime.now(),
        )
        .order_by("-publish_date")
        .exclude(title__iexact="Homepage")
        .exclude(title__iexact="Work")
    )

    normal_snipts = Snipt.objects.filter(
        blog_post=False, user=request.blog_user, public=True
    ).order_by("-created")
    normal_snipts = normal_snipts.exclude(title__in=[""])
    normal_snipts = normal_snipts.exclude(tags__name__in=["tmp"])
    normal_snipts = normal_snipts[:3]

    sidebar = get_object_or_None(
        Snipt, user=request.blog_user, title="Sidebar", blog_post=True
    )
    header = get_object_or_None(
        Snipt, user=request.blog_user, title="Header", blog_post=True
    )
    custom_css = get_object_or_None(
        Snipt, user=request.blog_user, title="CSS", lexer="css", blog_post=True
    )

    context = {
        "blog_user": request.blog_user,
        "custom_css": custom_css,
        "has_snipts": True,
        "header": header,
        "normal_snipts": normal_snipts,
        "public": True,
        "sidebar": sidebar,
        "snipts": snipts,
    }

    template = THEME_CHOICES[request.blog_user.profile.blog_theme]

    template = "{}/list.html".format(template)

    return render(request, template, context)


def blog_post(request, username_or_custom_slug):

    snipt = get_object_or_404(
        Snipt,
        user=request.blog_user,
        blog_post=True,
        public=True,
        publish_date__lte=datetime.datetime.now(),
        slug=username_or_custom_slug,
    )

    snipts = (
        Snipt.objects.filter(
            user=request.blog_user,
            blog_post=True,
            public=True,
            publish_date__lte=datetime.datetime.now(),
        )
        .order_by("-publish_date")
        .exclude(title__iexact="Homepage")
        .exclude(title__iexact="Work")
    )

    sidebar = get_object_or_None(
        Snipt, user=request.blog_user, title="Sidebar", blog_post=True
    )
    header = get_object_or_None(
        Snipt, user=request.blog_user, title="Header", blog_post=True
    )
    custom_css = get_object_or_None(
        Snipt, user=request.blog_user, title="CSS", lexer="css", blog_post=True
    )

    normal_snipts = Snipt.objects.filter(
        blog_post=False, user=request.blog_user, public=True
    ).order_by("-created")
    normal_snipts = normal_snipts.exclude(title__in=[""])
    normal_snipts = normal_snipts.exclude(tags__name__in=["tmp"])
    normal_snipts = normal_snipts[:3]

    if snipt.user != request.user:
        snipt.views = snipt.views + 1
        snipt.save()

    context = {
        "blog_user": request.blog_user,
        "custom_css": custom_css,
        "detail": True,
        "has_snipts": True,
        "header": header,
        "normal_snipts": normal_snipts,
        "public": True,
        "sidebar": sidebar,
        "snipt": snipt,
        "snipts": snipts,
    }

    template = THEME_CHOICES[request.blog_user.profile.blog_theme]

    template = "{}/post.html".format(template)

    return render(request, template, context)