"""
Author: Michel Peltriaux
Organization: Struktur- und Genehmigungsdirektion Nord, Rhineland-Palatinate, Germany
Contact: ksp-servicestelle@sgdnord.rlp.de
Created on: 19.08.22

"""
from django.http import HttpRequest, HttpResponse
from django.shortcuts import get_object_or_404, render
from django.urls import reverse
from django.utils.translation import gettext_lazy as _

from compensation.models import EcoAccount
from konova.contexts import BaseContext
from konova.forms import SimpleGeomForm
from konova.sub_settings.context_settings import TAB_TITLE_IDENTIFIER
from konova.utils.qrcode import QrCode
from konova.views.report import AbstractPublicReportView


class EcoAccountPublicReportView(AbstractPublicReportView):
    _TEMPLATE = "compensation/report/eco_account/report.html"

    def get(self, request: HttpRequest, id: str, *args, **kwargs) -> HttpResponse:
        """ Renders the public report view

        Args:
            request (HttpRequest): The incoming request
            id (str): The id of the intervention

        Returns:

        """
        acc = get_object_or_404(EcoAccount, id=id)
        tab_title = _("Report {}").format(acc.identifier)
        # If intervention is not recorded (yet or currently) we need to render another template without any data
        if not acc.is_ready_for_publish():
            template = "report/unavailable.html"
            context = {
                TAB_TITLE_IDENTIFIER: tab_title,
            }
            context = BaseContext(request, context).context
            return render(request, template, context)

        # Prepare data for map viewer
        geom_form = SimpleGeomForm(
            instance=acc
        )
        parcels = acc.get_underlying_parcels()

        qrcode = QrCode(
            content=request.build_absolute_uri(reverse("compensation:acc:report", args=(id,))),
            size=10
        )
        qrcode_lanis = QrCode(
            content=acc.get_LANIS_link(),
            size=7
        )

        # Order states by surface
        before_states = acc.before_states.all().order_by("-surface").select_related("biotope_type__parent")
        after_states = acc.after_states.all().order_by("-surface").select_related("biotope_type__parent")
        actions = acc.actions.all().prefetch_related("action_type__parent")

        # Reduce amount of db fetched data to the bare minimum we need in the template (deduction's intervention id and identifier)
        deductions = acc.deductions.all() \
            .distinct("intervention") \
            .select_related("intervention") \
            .values_list("intervention__id", "intervention__identifier", "intervention__title", named=True)

        context = {
            "obj": acc,
            "qrcode": {
                "img": qrcode.get_img(),
                "url": qrcode.get_content(),
            },
            "qrcode_lanis": {
                "img": qrcode_lanis.get_img(),
                "url": qrcode_lanis.get_content(),
            },
            "is_entry_shared": False,  # disables action buttons during rendering
            "before_states": before_states,
            "after_states": after_states,
            "geom_form": geom_form,
            "parcels": parcels,
            "actions": actions,
            "deductions": deductions,
            "tables_scrollable": False,
            TAB_TITLE_IDENTIFIER: tab_title,
        }
        context = BaseContext(request, context).context
        return render(request, self._TEMPLATE, context)