<?php

namespace App\Http\Middleware;

use App\Models\Election;
use App\Services\RegistrationPeriodService;
use Closure;
use Illuminate\Http\Request;
use Symfony\Component\HttpFoundation\Response;

class RequireAdminPostCloseNote
{
    public function __construct(
        private readonly RegistrationPeriodService $registrationPeriodService,
    ) {}

    public function handle(Request $request, Closure $next): Response
    {
        // Only intercept write operations.
        if (! in_array($request->method(), ['POST', 'PATCH', 'PUT', 'DELETE'], true)) {
            return $next($request);
        }

        $election = $this->resolveElection($request);

        if ($election instanceof Election && ! $this->registrationPeriodService->isOpen($election)) {
            $note = $request->input('note') ?? $request->input('catatan');

            if (blank($note)) {
                return back()
                    ->withInput()
                    ->withErrors([
                        'note' => 'Catatan wajib diisi untuk perubahan selepas tempoh pendaftaran ditutup.',
                    ]);
            }
        }

        return $next($request);
    }

    // For create routes the election_id is in the request body.
    // For edit/delete routes the election is resolved from the active election,
    // as those route models carry their own election context inside the service.
    private function resolveElection(Request $request): ?Election
    {
        $electionId = $request->input('election_id');

        if ($electionId) {
            return Election::query()->with('settings')->find($electionId);
        }

        return Election::query()
            ->with('settings')
            ->where('status', 'active')
            ->first();
    }
}