import json

from django.core.serializers.json import DjangoJSONEncoder
from django.http import HttpResponseNotFound
from django.shortcuts import render


def index(request):
    """Vista de index"""
    return render(request, 'views/index.html')


def _handle_error(status, error):
    """Vista general de error"""
    response = {'status': status, 'error': error}
    encoded = json.dumps(response, cls=DjangoJSONEncoder)
    return HttpResponseNotFound(encoded, content_type='application/json')


def handle400(request, exception=None):
    """Vista de error 400"""
    return _handle_error(400, 'La request realizada es errónea')


def handle403(request, exception=None):
    """Vista de error 404"""
    return _handle_error(404, 'No se tiene permiso para acceder')


def handle404(request, exception=None):
    """Vista de error 404"""
    return _handle_error(404, 'El recurso buscado no existe')


def handle500(request, exception=None):
    """Vista de error 500"""
    return _handle_error(500, 'Error del servidor')