import json

from django.views.decorators.csrf import csrf_exempt
from django.views.decorators.http import require_http_methods

from lemonauth import tokens

from .create import create
from .delete import delete
from .query import query

actions = {
    "create": create,
    "delete": delete,
}


@csrf_exempt
@require_http_methods(["GET", "HEAD", "POST"])
def micropub(request):
    request.token = tokens.auth(request)
    if request.method in ("GET", "HEAD"):
        return query(request)

    action = request.POST.get("action", "create")
    if request.content_type == "application/json":
        request.json = json.load(request)
        action = request.json.get("action", "create")
    if action not in actions:
        raise error.bad_req("unknown action: {}".format(action))
    return actions[action](request)