from django.views import generic
from .models import Container, ContainerType
from labelprinter.labels import container_label


class ContainerListView(generic.ListView):
    model = Container
    template_name = 'container/container_list.html'
    context_object_name = 'container_list'
    paginate_by = 20

    '''
    def get_queryset(self):
        # Return the last five created containers
        return Container.objects.order_by('-created_ts')[:5]
    '''


class ContainerCreateView(generic.CreateView):
    model = Container
    # template_name = 'container/detail.html'
    fields = ['named_id', 'description', 'color', 'container_type']

    def form_valid(self, form):
        form.instance.changed_by = self.request.user
        form.instance.created_by = self.request.user
        return super().form_valid(form)


class ContainerUpdateView(generic.UpdateView):
    model = Container
    # template_name = 'container/detail.html'
    fields = ['named_id', 'description', 'color', 'container_type']

    def form_valid(self, form):
        form.instance.changed_by = self.request.user
        return super().form_valid(form)


class ContainerDetailView(generic.DetailView):
    model = Container


class ContainerDeleteView(generic.DetailView):
    model = Container


class ContainerPrintLabelView(generic.DetailView):
    model = Container
    template_name = 'container/container_print_label.html'

    def get(self, request, **kwargs):
        context = super().get(request, **kwargs)
        '''
        label_writer = LabelWriter(
            "container/templates/label/container_label.html",
            default_stylesheets=("container/templates/label/label_style.css",)
        )
        label_writer.write_labels([dict(named_id=kwargs['pk'], id=kwargs['pk'])], target="container_label.pdf")
        '''
        return context

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        from labelprinter.labels import container_label
        container_description = self.object.container_type.named_id
        if len(self.object.container_type.description) > 0:
            container_description += ': ' + self.object.container_type.description
        if len(self.object.description) > 0:
            container_description += ' / ' + self.object.description
        context['barcode_img'] = container_label(self.object.named_id, description=container_description, writer_options={'background': 'white',
                                                                               'font_size': 10,
                                                                               'foreground': 'black',
                                                                               'module_height': 10.0,
                                                                               'module_width': 0.2,
                                                                               'quiet_zone': 2.5,
                                                                               'text': 'This is the text',
                                                                               'text_distance': 3.0,
                                                                               'write_text': True
                                                                               })
        return context


class ContainerTypeListView(generic.ListView):
    template_name = 'container/container_type_list.html'
    context_object_name = 'container_type_list'
    paginate_by = 20
    model = ContainerType

    '''
    def get_queryset(self):
        # Return the last five created container types
        return ContainerType.objects.order_by('-created_ts')[:5]
    '''


class ContainerTypeDetailView(generic.DetailView):
    model = ContainerType
    context_object_name = 'container_type'
    template_name = 'container/container_type_detail.html'


class ContainerTypeCreateView(generic.CreateView):
    model = ContainerType
    # template_name = 'container/detail.html'
    fields = ['named_id', 'description', 'width', 'length', 'height', 'inner_width', 'inner_length', 'inner_height',
              'has_cover', 'contains_container']

    def form_valid(self, form):
        form.instance.changed_by = self.request.user
        form.instance.created_by = self.request.user
        return super().form_valid(form)


class ContainerTypeUpdateView(generic.UpdateView):
    model = ContainerType
    # template_name = 'container/detail.html'
    fields = ['named_id', 'description', 'width', 'length', 'height', 'inner_width', 'inner_length', 'inner_height',
              'has_cover', 'contains_container']

    def form_valid(self, form):
        form.instance.changed_by = self.request.user
        return super().form_valid(form)


class ContainerTypeDeleteView(generic.DetailView):
    model = ContainerType