from django.shortcuts import render, get_object_or_404
from django.contrib.auth.decorators import login_required
from django.http import JsonResponse
import requests
from .decorators import *
from billing.models import *
import base64

# Create your views here.
@customer_login_required
def customer_invoices(request, *args, **kwargs):
    
    context = {

    }

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


@customer_login_required
def all_products(request, *args, **kwargs):
    
    context = {

    }

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



@customer_login_required
def customer_orders(request, *args, **kwargs):
    customer = request.user.customerprofile
    orders = Order.objects.filter(customer=customer, status='Completed')

    
    context = {
        'orders': orders,
    }

    return render(request, 'listing_pages/customer-orders.html', context)






# PRODUCTS
@customer_login_required
def osimenu_plans(request, *args, **kwargs):
    osimenu_basic = Item.objects.filter(title='OSIMENU BASIC').first()
    osimenu_standard = Item.objects.filter(title='OSIMENU STANDARD').first()
    osimenu_premium = Item.objects.filter(title='OSIMENU PREMIUM').first()
    
    context = {
        'osimenu_basic': osimenu_basic,
        'osimenu_standard': osimenu_standard,
        'osimenu_premium': osimenu_premium,
    }

    return render(request, 'products/osimenu-plans.html', context)



@customer_login_required
def shared_hosting_plans(request, *args, **kwargs):
    
    context = {

    }

    return render(request, 'products/shared-hosting-plans.html', context)


@customer_login_required
def cloud_vps_hosting_plans(request, *args, **kwargs):
    
    context = {

    }

    return render(request, 'products/cloud-vps-hosting-plans.html', context)







@customer_login_required
def payment(request, item_id):
    item = get_object_or_404(Item, id=item_id)
    
    context = {
        'item' : item,
    }

    return render(request, 'payment.html', context)


def basic_auth_header(username, password):
    credentials = f"merchant.{username}:{password}"
    encoded_credentials = base64.b64encode(credentials.encode('utf-8')).decode('utf-8')
    return f"Basic {encoded_credentials}"


@customer_login_required
def initiate_checkout(request):
    api_username = 'merchant.TEST06127800'
    api_password = '37846250a67c70e7fe9f82cf6ca81f93'
    merchant_id = 'TEST06127800'
    merchant_name = 'Ositcom Sal'

    customer = request.user.customerprofile

    item_id = request.headers.get('X-Item-ID')
    item = Item.objects.get(id=item_id)

    order = Order.objects.create(status='None', customer=customer)
    order.save()
    order_id = order.order_id

    order_item = OrderItem.objects.create(order=order, item=item)
    order_item.save()

    
    payload = {
        'apiOperation': 'INITIATE_CHECKOUT',
        'apiUsername': api_username,
        'apiPassword': api_password,
        'merchant': merchant_id,
        'interaction.operation': 'PURCHASE',  
        'interaction.merchant.name': merchant_name, 
        'order.id': order_id,
        'order.amount': '100.00',
        'order.currency': 'USD',
        'order.description': 'description_of_order',
        'order.notificationUrl' : 'https://newosina.osinode.com/webhooks/',
        'interaction.returnUrl' : f"https://newosina.osinode.com/check-order-status/{merchant_id}/{order_id}/"
    }

    try:
        response = requests.post('https://creditlibanais-netcommerce.gateway.mastercard.com/api/nvp/version/78', data=payload)
        
        print('Response Content:', response.text)
        
        if response.status_code == 200:
            response_data = response.text
            parsed_data = dict(item.split('=') for item in response_data.split('&'))
            session_id = parsed_data.get('session.id')
            return JsonResponse({'session_id': session_id}, status=200)
            
        else:
            print('Response Status Code:', response.status_code)  
            return JsonResponse({'error': 'Failed to initiate checkout'}, status=500)
    except Exception as e:
        print('Exception:', e)  
        return JsonResponse({'error': 'Internal Server Error'}, status=500)



def check_order_status(request, merchant_id, order_id):
    api_password = '37846250a67c70e7fe9f82cf6ca81f93'
    url = f"https://creditlibanais-netcommerce.gateway.mastercard.com/api/rest/version/78/merchant/{merchant_id}/order/{order_id}"
    order = Order.objects.get(order_id=order_id)

    headers = {
        'Content-Type': 'application/json',
        'Authorization': basic_auth_header(merchant_id, api_password)
    }

    try:
        response = requests.get(url, headers=headers)

        if response.status_code == 200:
            order_details = response.json()
            if order_details.get('result') == 'SUCCESS':
                order.status = 'Completed'
                order.save()
                order_items = OrderItem.objects.filter(order=order)
                for order_item in order_items:
                    order_item.purchased_at = datetime.now()
                    recurring_cycle = 30
                    due_date = order_item.purchased_at + timedelta(days=recurring_cycle)
                    order_item.due_at = due_date
                    order_item.save()
                return redirect('orders')
            error_message = 'Failed to retrieve order details: ' + response.text
            return JsonResponse({'error': error_message}, status=500)  
    except Exception as e:
        error_message = 'Exception: ' + str(e)
        return JsonResponse({'error': error_message}, status=500)