from django.shortcuts import render, get_object_or_404
from django.http import HttpResponse, HttpResponseBadRequest
from django.core.exceptions import ValidationError
from members.models import Member
import json

def index(request, *args, **kwargs):
    return render(request, 'index.html',{})

def members(request, *args, **kwargs):
    mems = list(map(lambda m: m.get_dict(),Member.objects.all()))
    return HttpResponse(json.dumps(mems))

def member(request,*args, **kwargs):

    #get and put together since both operate on existing objects and return one object
    if request.method in ['GET','PUT']:
        # get object by id or give 404
        idx = kwargs.pop("idx", None)
        try:
            mem = Member.objects.get(pk=idx)
        except Member.DoesNotExist:
            resp = HttpResponse('{"error":"object not found"}')
            resp.status_code = 404
            return resp

        # update model if request type was PUT
        if request.method == 'PUT':
            try:
                data = json.loads(request.body.decode("utf-8"))
                mem.update_from_dict(data)
            except ValueError:
                return HttpResponseBadRequest('{"error" : "Invalid parameters supplied"}')
        return HttpResponse(json.dumps(mem.get_dict()))

    if request.method == 'POST':
        try:
            data = json.loads(request.body.decode("utf-8"))
            memdict = Member.create_from_dict(data)
            return HttpResponse(json.dumps(memdict))
        except ValueError:
            return HttpResponseBadRequest('{"error" : "Invalid parameters supplied"}')