# -*- coding: utf-8 -*-
from django.shortcuts import render
from django.views.generic import ListView, CreateView, UpdateView, DeleteView
from django.urls import reverse_lazy
from django.contrib.auth.mixins import LoginRequiredMixin
from django.contrib import messages
from ..models import Warehouse
from ..forms import WarehouseForm


class WarehouseListView(LoginRequiredMixin, ListView):
    """
    Список всех складов тенанта
    """
    model = Warehouse
    template_name = 'inventory/warehouse/warehouse_list.html'
    context_object_name = 'warehouses'
    paginate_by = 20

    def get_queryset(self):
        return Warehouse.objects.filter(is_active=True).order_by('name')


class WarehouseCreateView(LoginRequiredMixin, CreateView):
    """
    Создание нового склада
    """
    model = Warehouse
    form_class = WarehouseForm
    template_name = 'inventory/warehouse/warehouse_form.html'
    success_url = reverse_lazy('inventory:warehouse-list')

    def form_valid(self, form):
        messages.success(self.request, f'Склад "{form.instance.name}" успешно создан.')
        return super().form_valid(form)


class WarehouseUpdateView(LoginRequiredMixin, UpdateView):
    """
    Редактирование склада
    """
    model = Warehouse
    form_class = WarehouseForm
    template_name = 'inventory/warehouse/warehouse_form.html'
    success_url = reverse_lazy('inventory:warehouse-list')

    def form_valid(self, form):
        messages.success(self.request, f'Склад "{form.instance.name}" успешно обновлён.')
        return super().form_valid(form)


class WarehouseDeleteView(LoginRequiredMixin, DeleteView):
    """
    Удаление склада (мягкое удаление - деактивация)
    """
    model = Warehouse
    template_name = 'inventory/warehouse/warehouse_confirm_delete.html'
    success_url = reverse_lazy('inventory:warehouse-list')

    def form_valid(self, form):
        # Мягкое удаление - просто деактивируем
        warehouse = self.get_object()
        warehouse.is_active = False
        warehouse.save()
        messages.success(self.request, f'Склад "{warehouse.name}" деактивирован.')
        return super().form_valid(form)