from django.shortcuts import render, get_object_or_404
from django.utils import timezone
from datetime import timedelta
from .models import *
from django.http import JsonResponse, HttpResponse
from django.template.loader import get_template


# LISTING
def items(request, *args, **kwargs):
    products = Item.objects.filter(type='Product').order_by('-id')
    services = Item.objects.filter(type='Service').order_by('-id')
    context = {
        'products': products,
        'services': services,

    }
    return render(request, 'listing_pages/items.html', context) 


def orders(request, *args, **kwargs):
    orders = Order.objects.all().order_by('-id')
    context = {
        'orders': orders,
    }
    return render(request, 'listing_pages/orders.html', context) 


def invoices(request, *args, **kwargs):
    invoices = Invoice.objects.all().order_by('-id')

    context = {
        'invoices': invoices,
    }

    return render(request, 'listing_pages/invoices.html', context) 


#DETAILS
def invoice_details(request, order_id):
    order = get_object_or_404(Order, id=order_id)

    context = {
        'order' : order,
    }

    return render(request, 'details_templates/invoice-details.html', context) 





# TO FETCH THE ITEMS RELATED TO TH SELECTED CUSTOMER AND THE ITEMS THAT ARE NOT RELATED TO A CUSTOMER
def fetch_customer_items(request, customer_id):
    customer = get_object_or_404(CustomerProfile, id=customer_id)
    
    items_related_to_customer = Item.objects.filter(customer=customer)
    
    items_without_customer = Item.objects.filter(customer__isnull=True)
    
    data = {
        'items_related_to_customer': list(items_related_to_customer.values('id', 'title')),  
        'items_without_customer': list(items_without_customer.values('id', 'title')),  
    }

    return JsonResponse(data)