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

"""
from django.contrib.auth.mixins import LoginRequiredMixin
from django.shortcuts import get_object_or_404
from django.utils.translation import gettext_lazy as _

from intervention.forms.intervention import EditInterventionForm, NewInterventionForm
from intervention.models import Intervention
from intervention.tables import InterventionTable
from konova.utils.message_templates import DATA_CHECKED_PREVIOUSLY_TEMPLATE
from konova.views.identifier import AbstractIdentifierGeneratorView
from konova.views.form import AbstractNewGeometryFormView, AbstractEditGeometryFormView
from konova.views.index import AbstractIndexView
from konova.views.detail import BaseDetailView
from konova.views.remove import BaseRemoveModalFormView


class InterventionIndexView(LoginRequiredMixin, AbstractIndexView):
    _INDEX_TABLE_CLS = InterventionTable
    _TAB_TITLE = _("Interventions - Overview")

    def _get_queryset(self):
        qs = Intervention.objects.filter(
            deleted=None,
        ).select_related(
            "legal"
        ).order_by(
            "-modified__timestamp"
        )
        return qs


class NewInterventionFormView(AbstractNewGeometryFormView):
    _MODEL_CLS = Intervention
    _FORM_CLS = NewInterventionForm
    _TEMPLATE = "intervention/form/view.html"
    _REDIRECT_URL = "intervention:detail"
    _TAB_TITLE = _("New intervention")


class EditInterventionFormView(AbstractEditGeometryFormView):
    _MODEL_CLS = Intervention
    _FORM_CLS = EditInterventionForm
    _TEMPLATE = "intervention/form/view.html"
    _REDIRECT_URL = "intervention:detail"
    _TAB_TITLE = _("Edit {}")


class InterventionIdentifierGeneratorView(LoginRequiredMixin, AbstractIdentifierGeneratorView):
    _MODEL_CLS = Intervention
    _REDIRECT_URL = "intervention:index"


class InterventionDetailView(BaseDetailView):
    _MODEL_CLS = Intervention
    _TEMPLATE = "intervention/detail/view.html"

    def _get_object(self, id: str):
        """ Returns the intervention

        Args:
            id (str): The intervention's id

        Returns:
            obj (Intervention): The intervention
        """
        # Fetch data, filter out deleted related data
        obj = get_object_or_404(
            self._MODEL_CLS.objects.select_related(
                "geometry",
                "legal",
                "responsible",
            ).prefetch_related(
                "legal__revocations",
            ),
            id=id,
            deleted=None
        )
        return obj

    def _get_detail_context(self, obj: Intervention):
        """ Generate object specific detail context for  view

        Args:
            obj (): The record

        Returns:

        """
        compensations = obj.compensations.filter(deleted=None)
        last_checked = obj.get_last_checked_action()
        last_checked_tooltip = ""
        if last_checked:
            last_checked_tooltip = DATA_CHECKED_PREVIOUSLY_TEMPLATE.format(
                last_checked.get_timestamp_str_formatted(),
                last_checked.user
            )

        has_payment_without_document = obj.payments.exists() and not obj.get_documents()[1].exists()
        context = {
            "last_checked": last_checked,
            "last_checked_tooltip": last_checked_tooltip,
            "compensations": compensations,
            "has_payment_without_document": has_payment_without_document,
        }
        return context

class RemoveInterventionView(LoginRequiredMixin, BaseRemoveModalFormView):
    _MODEL_CLS = Intervention
    _REDIRECT_URL = "intervention:index"