<?php

namespace App\Http\Controllers\Api\V1\Admin;

use App\Http\Controllers\Api\V1\ApiController;
use App\Http\Requests\Qr\VoidQrCodeRequest;
use App\Http\Resources\QrCodeResource;
use App\Models\QrCode;
use App\States\QrCode\Voided;
use Illuminate\Http\JsonResponse;

class AdminQrCodeController extends ApiController
{
    public function show(string $serial): JsonResponse
    {
        $code = QrCode::with(['batch.targetArea', 'household.head', 'usedAtDropOff', 'scannedBy'])
            ->where('serial', $serial)
            ->firstOrFail();

        return $this->ok(new QrCodeResource($code));
    }

    public function void(VoidQrCodeRequest $request, QrCode $qrCode): JsonResponse
    {
        if (! $qrCode->status->canTransitionTo(Voided::class)) {
            return $this->fail('Code cannot be voided from its current state', null, 422);
        }

        $qrCode->status->transitionTo(Voided::class);
        $existingMeta = $qrCode->metadata ?? [];
        $qrCode->forceFill([
            'metadata' => array_merge($existingMeta, [
                'voided_at' => now()->toIso8601String(),
                'voided_by_admin_id' => $request->user()->id,
                'void_reason' => $request->validated('reason'),
            ]),
        ])->save();

        return $this->ok(new QrCodeResource($qrCode->fresh()), 'Code voided');
    }
}