import pprint

from django.conf import settings
from django.contrib.auth.mixins import LoginRequiredMixin
from django.shortcuts import render
from django.views import View

from core.lib.opensearch import initialise_opensearch, run_main_query

client = initialise_opensearch()
pp = pprint.PrettyPrinter(indent=4)


class Drilldown(LoginRequiredMixin, View):
    template_name = "ui/drilldown.html"
    plan_name = "drilldown"

    def get(self, request):
        if not request.user.has_plan(self.plan_name):
            return render(request, "denied.html")
        context = {
            "fields": settings.OPENSEARCH_MAIN_SEARCH_FIELDS,
            "sizes": settings.OPENSEARCH_MAIN_SIZES,
            "timescales": settings.OPENSEARCH_MAIN_TIMESCALES,
        }
        return render(request, self.template_name, context)

    def post(self, request):
        if not request.user.has_plan(self.plan_name):
            return render(request, "denied.html")
        fields = None
        if "fields" in request.POST:
            fields = request.POST.getlist("fields")
        if "size" in request.POST:
            size = request.POST["size"]
        if "query" in request.POST:
            query = request.POST["query"]
            # field = results.POST["field"]
            # print("FIELD ", field)
            results = run_main_query(client, request.user, query, fields, size)
            if not results:
                return render(request, "denied.html")
            # pp.pprint(results)
            results_parsed = []
            if "hits" in results.keys():
                if "hits" in results["hits"]:
                    for item in results["hits"]["hits"]:
                        results_parsed.append(item["_source"])
            context = {
                "query": query,
                "results": results_parsed,
                "card": results["hits"]["total"]["value"],
                "took": results["took"],
                "redacted": results["redacted"],
                "exemption": results["exemption"],
                "fields": settings.OPENSEARCH_MAIN_SEARCH_FIELDS,
                "sizes": settings.OPENSEARCH_MAIN_SIZES,
                "timescales": settings.OPENSEARCH_MAIN_TIMESCALES,
            }
            return render(request, self.template_name, context)
        return render(request, self.template_name)