from typing import Any, Optional

from django.core.exceptions import ValidationError
from django.core.handlers.wsgi import WSGIRequest
from django.http import Http404, HttpResponse
from django.shortcuts import render

from project.main.models import Person
from project.main.views.demo_view_base import DemoViewBase


def get_person(pk: int) -> Person:
    try:
        return Person.objects.get(pk=pk)
    except Person.DoesNotExist:
        raise Http404("Person not found")


class TableInlineEditView(DemoViewBase):
    template_name = "main/table_inline_edit.html"
    active_section = "table-inline-edit"
    title = "Table Inline Edit"

    def get_context_data(self, **kwargs) -> dict[str, Any]:
        context_data = super().get_context_data(**kwargs)

        persons = Person.objects.all()

        context_data.update(
            {
                "persons": persons,
            }
        )
        return context_data


class TableInlineEditRowView(DemoViewBase):
    template_name = "main/table_inline_table_row.html"

    def get_context_data(self, **kwargs) -> dict[str, Any]:
        context_data = super().get_context_data(**kwargs)

        person = get_person(pk=kwargs.get("pk"))
        action = self.request.GET.get("action", "edit")

        context_data.update(
            {
                "person": person,
                "is_editing": action == "edit",
            }
        )
        return context_data

    def post(self, request: WSGIRequest, *args, **kwargs) -> HttpResponse:
        errors: Optional[dict[str, str]] = None

        person = get_person(pk=kwargs.get("pk"))
        person.name = request.POST.get("name")
        person.address = request.POST.get("address")
        person.city = request.POST.get("city")

        try:
            person.clean_fields()
        except ValidationError as ex:
            errors = {key: value[0].message for key, value in ex.error_dict.items()}
        else:
            person.save()

        print(errors)

        return render(
            context={
                "person": person,
                "errors": errors,
                "is_editing": errors is not None,
            },
            template_name=self.template_name,
            request=request,
        )