<?php

namespace App\Http\Controllers;

use App\Models\Commune;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Inertia\Inertia;
use Inertia\Response;

class CommuneController extends Controller
{
    public function index(): Response
    {
        return Inertia::render('Communes/Index', [
            'communes' => Commune::withCount('commandes', 'contrats')->get(),
        ]);
    }

    public function store(Request $request): RedirectResponse
    {
        $validated = $request->validate([
            'nom'         => 'required|string|max:100|unique:communes,nom',
            'code_postal' => 'nullable|string|max:10',
        ]);

        Commune::create($validated);

        return back()->with('success', 'Commune créée.');
    }

    public function update(Request $request, Commune $commune): RedirectResponse
    {
        $validated = $request->validate([
            'nom'         => 'required|string|max:100|unique:communes,nom,' . $commune->id,
            'code_postal' => 'nullable|string|max:10',
        ]);

        $commune->update($validated);

        return back()->with('success', 'Commune mise à jour.');
    }

    public function destroy(Commune $commune): RedirectResponse
    {
        if ($commune->commandes()->exists() || $commune->contrats()->exists()) {
            return back()->with('error', 'Impossible de supprimer une commune liée à des commandes ou des contrats.');
        }

        $commune->delete();

        return back()->with('success', 'Commune supprimée.');
    }
}