from django.http import HttpResponseRedirect
from django.shortcuts import render, redirect
from django.urls import reverse
from django.contrib.auth.decorators import login_required
from django.utils.translation import get_language
from .mail import mail_admins_new_report
from notfellchen import settings

from fellchensammlung.models import AdoptionNotice, Text, Animal, Rule, Image, Report, ModerationAction, \
    Member
from .forms import AdoptionNoticeForm, AnimalForm, ImageForm, ReportForm
from .models import Language


def index(request):
    """View function for home page of site."""
    latest_adoption_list = AdoptionNotice.objects.order_by("-created_at")[:5]
    context = {"adoption_notices": latest_adoption_list}

    return render(request, 'fellchensammlung/index.html', context=context)


def change_language(request):
    if request.method == 'POST':
        language_code = request.POST.get('language')
        if language_code:
            if language_code != settings.LANGUAGE_CODE and language_code in list(zip(*settings.LANGUAGES))[0]:
                redirect_path = f'/{language_code}/'
            elif language_code == settings.LANGUAGE_CODE:
                redirect_path = '/'
            else:
                response = HttpResponseRedirect('/')
                return response
            from django.utils import translation
            translation.activate(language_code)
            response = HttpResponseRedirect(redirect_path)
            response.set_cookie(settings.LANGUAGE_COOKIE_NAME, language_code)
    return response


def adoption_notice_detail(request, adoption_notice_id):
    adoption_notice = AdoptionNotice.objects.get(id=adoption_notice_id)
    context = {"adoption_notice": adoption_notice}
    return render(request, 'fellchensammlung/details/detail_adoption_notice.html', context=context)


def animal_detail(request, animal_id):
    animal = Animal.objects.get(id=animal_id)
    context = {"animal": animal}
    return render(request, 'fellchensammlung/details/detail_animal.html', context=context)


def search(request):
    latest_adoption_list = AdoptionNotice.objects.order_by("-created_at")
    context = {"adoption_notices": latest_adoption_list}
    return render(request, 'fellchensammlung/search.html', context=context)


@login_required
def add_adoption(request):
    if request.method == 'POST':
        form = AdoptionNoticeForm(request.POST, request.FILES)

        if form.is_valid():
            instance = form.save()
            return redirect(reverse("add-animal-to-adoption", args=[instance.pk]))
    else:
        form = AdoptionNoticeForm()
    return render(request, 'fellchensammlung/forms/form_add_adoption.html', {'form': form})


@login_required
def add_animal_to_adoption(request, adoption_notice_id):
    if request.method == 'POST':
        form = AnimalForm(request.POST)
        image_form = ImageForm(request.POST, request.FILES)

        if form.is_valid():
            form.cleaned_data["adoption_notice_id"] = adoption_notice_id
            instance = form.save(commit=False)
            instance.adoption_notice_id = adoption_notice_id

            instance.save()

            if 'image_-image' in request.FILES:
                image = Image(image=request.FILES['image_-image'])
                image.save()
                instance.photos.add(image)

            if "button_add_another_animal" in request.POST:
                return redirect(reverse("add-animal-to-adoption", args=[str(adoption_notice_id)]))
            else:
                return redirect(reverse("adoption-notice-detail", args=[str(adoption_notice_id)]))
    else:
        form = AnimalForm()
        image_form = ImageForm(request.POST, request.FILES, prefix="image_")
    return render(request, 'fellchensammlung/forms/form_add_animal_to_adoption.html',
                  {'form': form, "image_form": image_form})


def about(request):
    rules = Rule.objects.all()

    language_code = get_language()
    lang = Language.objects.get(languagecode=language_code)

    legal = {}
    for text_code in ["terms_of_service", "privacy_statement", "imprint"]:
        try:
            legal[text_code] = Text.objects.get(text_code=text_code, language=lang,)
        except Text.DoesNotExist:
            legal[text_code] = None

    context = {"rules": rules,}
    context.update(legal)
    return render(
        request,
        "fellchensammlung/about.html",
        context=context
    )


def report_adoption(request, adoption_notice_id):
    """
    Form to report adoption notices
    """
    if request.method == 'POST':
        form = ReportForm(request.POST)

        if form.is_valid():
            report_instance = form.save(commit=False)
            report_instance.adoption_notice_id = adoption_notice_id
            report_instance.status = Report.WAITING
            report_instance.save()
            mail_admins_new_report(report_instance)
            return redirect(reverse("report-detail-success", args=[report_instance.pk], ))
    else:
        form = ReportForm()
    return render(request, 'fellchensammlung/forms/form-report.html', {'form': form})


def report_detail(request, report_id, form_complete=False):
    """
    Detailed view of a report, including moderation actions
    """
    report = Report.objects.get(pk=report_id)
    moderation_actions = ModerationAction.objects.filter(report_id=report_id)

    context = {"report": report, "moderation_actions": moderation_actions, "form_complete": form_complete}

    return render(request, 'fellchensammlung/details/detail-report.html', context)


def report_detail_success(request, report_id):
    """
    Calls the report detail view with form_complete set to true, so success message shows
    """
    return report_detail(request, report_id, form_complete=True)


def member_detail(request, user_id):
    member = Member.objects.get(id=user_id)
    context = {"member": member}
    return render(request, 'fellchensammlung/details/detail-member.html', context=context)


def modqueue(request):
    open_reports = Report.objects.filter(status=Report.WAITING)
    context = {"reports": open_reports}
    return render(request, 'fellchensammlung/modqueue.html', context=context)