<?php

namespace App\Http\Controllers;

use App\Models\User;
use App\Services\WarehousePilotReadiness;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Inertia\Inertia;
use Symfony\Component\HttpFoundation\Response;

class WarehousePilotController extends Controller
{
    public function export(Request $request, WarehousePilotReadiness $service): Response
    {
        $actor = $request->user('web');
        abort_unless($actor instanceof User && $actor->hasFunctions(['admin']), 403);
        $report = DB::transaction(function () use ($actor, $service) {
            if (DB::getDriverName() === 'pgsql' && DB::transactionLevel() === 1) {
                DB::statement('SET TRANSACTION ISOLATION LEVEL REPEATABLE READ READ ONLY');
            }

            return $service->inspect($actor);
        });
        $rows = [['Conferido em', 'Âmbito', 'Conferência', 'Resultado', 'Observação', 'Onde configurar']];
        foreach ($report['checks'] as $check) {
            $rows[] = [$report['checked_at'], 'SGC autónomo · diagnóstico de configuração', $check['label'], $check['ok'] ? 'Conferido' : 'A preparar', $check['detail'], $check['path'] ?? ''];
        }

        return response()->streamDownload(static function () use ($rows) {
            $stream = fopen('php://output', 'wb');
            if ($stream === false) {
                throw new \RuntimeException('Não foi possível preparar a exportação.');
            }
            fwrite($stream, "\xEF\xBB\xBF");
            foreach ($rows as $row) {
                $safe = array_map(static fn (string $value) => preg_match('/^[\s\x{FEFF}]*[=+@-]/u', $value) ? "'".$value : $value, $row);
                fputcsv($stream, $safe, ';', '"', '');
            }
            fclose($stream);
        }, 'preparacao-piloto-sgc-'.now()->format('Ymd-His').'.csv', ['Content-Type' => 'text/csv; charset=UTF-8', 'Cache-Control' => 'private, no-store, max-age=0']);
    }

    public function index(Request $request, WarehousePilotReadiness $service): Response
    {
        $actor = $request->user('web');
        abort_unless($actor instanceof User && $actor->hasFunctions(['admin']), 403);

        return DB::transaction(function () use ($actor, $request, $service) {
            if (DB::getDriverName() === 'pgsql' && DB::transactionLevel() === 1) {
                DB::statement('SET TRANSACTION ISOLATION LEVEL REPEATABLE READ READ ONLY');
            }
            Inertia::encryptHistory();
            $response = Inertia::render('stock/pilot', ['report' => $service->inspect($actor), 'syntheticEvaluation' => app()->environment(['testing', 'payable-testing'])])->toResponse($request);
            $response->headers->set('Cache-Control', 'private, no-store, max-age=0');

            return $response;
        });
    }
}