from django.shortcuts import render, redirect
from django.contrib import messages
from django.core.mail import send_mail, EmailMultiAlternatives
from django.template.loader import get_template, render_to_string
from django.views.generic import View, DetailView
from archilance.mixins import BaseMixin

from .forms import PrintOrderForm
from .models import PrintDocuments, PrintOrder, Settings


class PrintOrderDetailView(DetailView):
    model = PrintOrder
    template_name = 'printorder_detail.html'


class PrintDocumentCreate(BaseMixin, View):
    form_class = PrintOrderForm
    template_name = 'printdocument_create.html'

    def get(self, request, *args, **kwargs):
        form = self.form_class(request=request)
        return render(request, self.template_name, {'form': form})

    def post(self, request, *args, **kwargs):
        form = self.form_class(request.POST, request.FILES, request=request)
        if form.is_valid():
            print_order = form.save(commit=False)
            print_order.save()

            for file in request.FILES.getlist('new_files'):
                print_doc = PrintDocuments.objects.create(file=file, printorder=print_order)
                print_doc.save()

            print_documents = print_order.print_documents.all()
            limit_size = 10 * 1024 * 1024
            attachments = []
            link_files = []

            for f in print_documents:
                if f.file.size > limit_size:
                    link_files.append(f.file.path)
                else:
                    attachments.append(f.file.path)

            ctx_dict = {
                'username': print_order.sender,
                'phone': print_order.phone,
                'address': print_order.address,
                'files': link_files,
            }


            settings = Settings.objects.all().first()
            subject, from_email, to = 'Заявка на распечатку', 'mukhtar@mukhtar', settings.document_send_email
            text_content = render_to_string('document_email.txt', ctx_dict)
            html_content = get_template('document_email.html').render(ctx_dict)
            msg = EmailMultiAlternatives(subject, text_content, from_email, [to])
            msg.attach_alternative(html_content, "text/html")
            for attach in attachments:
                msg.attach_file(attach)
            msg.send()

            messages.info(request, 'Заявка на распечатку принята')
            return redirect('common:print-order-detail',pk=print_order.pk)
            # import code; code.interact(local=dict(globals(), **locals()))
        else:
            context = self.get_context_data(**kwargs)
            context.update({'form': form})
            return render(request, self.template_name, context)