from __future__ import annotations

from django.contrib import messages
from django.contrib.auth.mixins import LoginRequiredMixin
from django.shortcuts import get_object_or_404, redirect
from django.urls import reverse_lazy
from django.views.generic import ListView, UpdateView

from apps.jobs.models import JobPosting, ScoreRun

from .forms import SearchProfileForm
from .models import SearchProfile
from .services import resolve_profile_home_location, save_profile_revision


class ProfileListView(LoginRequiredMixin, ListView):
    model = SearchProfile
    template_name = "profiles/list.html"
    context_object_name = "profiles"

    def get_queryset(self):
        return SearchProfile.objects.filter(user=self.request.user)


class ProfileUpdateView(LoginRequiredMixin, UpdateView):
    model = SearchProfile
    form_class = SearchProfileForm
    template_name = "profiles/edit.html"
    success_url = reverse_lazy("profiles:list")

    def get_queryset(self):
        return SearchProfile.objects.filter(user=self.request.user)

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context["preview_score"] = (
            ScoreRun.objects.filter(
                profile=self.object,
                job__status=JobPosting.Status.ACTIVE,
                hard_exclusions=[],
            )
            .select_related("job", "job__employer")
            .order_by("-created_at")
            .first()
        )
        context["recent_revisions"] = list(self.object.revisions.all()[:4])
        return context

    def form_valid(self, form):
        response = super().form_valid(form)
        location_result = resolve_profile_home_location(self.object)
        if self.object.is_active:
            self.object.activate()
        save_profile_revision(self.object, reason="user_edit")
        if self.object.home_postal_code and location_result.ambiguous:
            messages.warning(
                self.request,
                "Zoekprofiel opgeslagen. Deze postcode omvat meerdere gemeenten; afstand blijft "
                "onbekend tot de lokale geodata eenduidig is.",
            )
        elif self.object.home_postal_code and location_result.location is None:
            messages.warning(
                self.request,
                "Zoekprofiel opgeslagen. De postcode is bewaard; lokale geodata ontbreekt nog "
                "voor een afstandsberekening.",
            )
        else:
            messages.success(self.request, "Zoekprofiel opgeslagen.")
        return response


def activate_profile(request, pk: int):
    if request.method != "POST":
        return redirect("profiles:list")
    profile = get_object_or_404(SearchProfile, pk=pk, user=request.user)
    profile.activate()
    messages.success(request, f"{profile.name} is nu het actieve profiel.")
    return redirect("profiles:list")