from django.http import HttpResponse
from .models import JournalEntry, Produit, ProduitStock
from django.shortcuts import render
from django.http import JsonResponse
import datetime

global_filter = None

def index(request):
    entry_list = JournalEntry.objects.order_by('entry_date')
    context = {'entry_list': entry_list}
    return render(request, 'journaldecaisse/index.html', context)

def vente(request):
    print(request.user.first_name)
    global global_filter
    product_list = Produit.objects.all()
    global_filter = product_list
    product_list = product_list.values_list()
    products = []
    for elem in product_list:
        products.append(elem[1])
    products = list(set(products))


    context = {"product_list" : products}
    return render(request, 'journaldecaisse/vente.html', context)




def iterate_options(request):

    global global_filter
    elem_selected = None
    elem_price = None
    elem_stock = None
    options_selected = request.GET.get('option', None)
    options_selected = options_selected.split(":")
    field = str(Produit._meta.get_fields()[int(options_selected[2])+3]).split(".")[-1]
    elems = global_filter.filter(**{options_selected[0]: options_selected[1]})
    global_filter = elems
    elems = elems.values_list()
    options = []
    for elem in elems:
        options.append(elem[int(options_selected[2])+2])
    options = list(set(options))
    if global_filter.count() == 1:
        elem_selected = str(global_filter.first())
        elem_price = global_filter.first().price
        elem_stock = ProduitStock.objects.get(ProduitTaille=global_filter.first()).Amount




    data = {
        'options': options,
        'options_int': int(options_selected[2])+2,
        'field': field,
        'elem_selected': elem_selected,
        'price': elem_price,
        'stock': elem_stock,
        'name': request.user.first_name
    }
    return JsonResponse(data)



def submit_entry(request):
    product = global_filter.first()
    buyer = request.GET.get('buyer', None)
    payment = request.GET.get('payment', None)
    author = request.user.first_name
    JournalEntry.objects.create(entry_date=datetime.datetime.now(), entry_text=str(product) + " " + buyer, cofeux_id=author, entry_amount=product.price, payment_type=payment)
    return JsonResponse({"success":"True"})