from django.shortcuts import render
from django.http import JsonResponse
from django.apps import apps
from datetime import date
from .models import Client


# Clients Page (Main)
def clients_list(request):
    clients = Client.objects.all().order_by('id')
    return render(request, 'clients_table.html', {'clients': clients})


# Table One View (ExcelEntry)
def table_one_view(request):
    ExcelEntry = apps.get_model('sheets', 'ExcelEntry')
    entries_table1 = ExcelEntry.objects.all()
    clients = Client.objects.all()
    return render(request, 'table_one.html', {
        'entries_table1': entries_table1,
        'clients': clients,
    })


# Table Two View (SecondTableEntry)
def table_two_view(request):
    SecondTableEntry = apps.get_model('sheets', 'SecondTableEntry')
    entries_table2 = SecondTableEntry.objects.all()
    clients = Client.objects.all()
    return render(request, 'table_two.html', {
        'entries_table2': entries_table2,
        'clients': clients,
    })


# Add Entry (Generic)
def add_entry(request, model_name):
    if request.method == 'POST':
        try:
            model = apps.get_model('sheets', model_name)

            if model_name.lower() == 'client':
                name = request.POST.get('name', 'New Name')
                address = request.POST.get('address', '')
                entry = model.objects.create(name=name, address=address)
                return JsonResponse({
                    'id': entry.id,
                    'name': entry.name,
                    'address': entry.address,
                })

            client_id = request.POST.get('client_id')
            client = Client.objects.get(id=client_id)
            age = int(request.POST.get('age', 0))
            email = request.POST.get('email', 'example@email.com')

            entry = model.objects.create(
                client=client,
                age=age,
                email=email,
                date_joined=date.today()
            )

            return JsonResponse({
                'id': entry.id,
                'client_name': client.name,
                'age': entry.age,
                'email': entry.email,
                'date_joined': entry.date_joined.strftime('%Y-%m-%d'),
            })

        except Exception as e:
            return JsonResponse({'status': 'error', 'message': str(e)}, status=400)

    return JsonResponse({'status': 'error', 'message': 'Invalid request'}, status=400)


# Update Entry (Generic)
def update_entry(request, model_name):
    if request.method == 'POST':
        try:
            model = apps.get_model('sheets', model_name)
            entry_id = int(request.POST.get('id'))
            entry = model.objects.get(id=entry_id)

            if model_name.lower() == 'client':
                entry.name = request.POST.get('name')
                entry.address = request.POST.get('address', '')
                entry.save()
                return JsonResponse({
                    'status': 'success',
                    'id': entry.id,
                    'name': entry.name,
                    'address': entry.address,
                })

            client_id = request.POST.get('client_id')
            client = Client.objects.get(id=client_id)
            age = int(request.POST.get('age'))
            email = request.POST.get('email')

            entry.client = client
            entry.age = age
            entry.email = email
            entry.save()

            return JsonResponse({
                'status': 'success',
                'id': entry.id,
                'name': client.name,
                'age': entry.age,
                'email': entry.email,
                'date_joined': entry.date_joined.strftime('%Y-%m-%d'),
            })

        except model.DoesNotExist:
            return JsonResponse({'status': 'error', 'message': 'Entry not found'}, status=404)
        except Exception as e:
            return JsonResponse({'status': 'error', 'message': str(e)}, status=400)

    return JsonResponse({'status': 'error', 'message': 'Invalid request'}, status=400)


# Delete Entry (Generic)
def delete_entry(request, model_name):
    if request.method == 'POST':
        try:
            model = apps.get_model('sheets', model_name)
            entry_id = request.POST.get('id')
            entry = model.objects.get(id=entry_id)
            entry.delete()
            return JsonResponse({'status': 'success', 'message': 'Entry deleted'})

        except model.DoesNotExist:
            return JsonResponse({'status': 'error', 'message': 'Entry not found'}, status=404)
        except Exception as e:
            return JsonResponse({'status': 'error', 'message': str(e)}, status=400)

    return JsonResponse({'status': 'error', 'message': 'Invalid request'}, status=400)