from django.shortcuts import render, get_object_or_404
from django.views.generic import ListView, DetailView
from django.contrib.auth.decorators import login_required
from django.utils.decorators import method_decorator
from .models import Product, Customer, Supplier

@method_decorator(login_required, name='dispatch')
class ProductListView(ListView):
    model = Product
    template_name = 'inventory/product_list.html'
    context_object_name = 'products'
    paginate_by = 20

@method_decorator(login_required, name='dispatch')
class ProductDetailView(DetailView):
    model = Product
    template_name = 'inventory/product_detail.html'
    context_object_name = 'product'

@method_decorator(login_required, name='dispatch')
class CustomerListView(ListView):
    model = Customer
    template_name = 'inventory/customer_list.html'
    context_object_name = 'customers'
    paginate_by = 20

@method_decorator(login_required, name='dispatch')
class CustomerDetailView(DetailView):
    model = Customer
    template_name = 'inventory/customer_detail.html'
    context_object_name = 'customer'

@method_decorator(login_required, name='dispatch')
class SupplierListView(ListView):
    model = Supplier
    template_name = 'inventory/supplier_list.html'
    context_object_name = 'suppliers'
    paginate_by = 20

@method_decorator(login_required, name='dispatch')
class SupplierDetailView(DetailView):
    model = Supplier
    template_name = 'inventory/supplier_detail.html'
    context_object_name = 'supplier'