<?php

namespace App\Console\Commands;

use App\Mail\GoLivePasswordReset;
use App\Models\User;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\Mail;
use Illuminate\Support\Facades\Password;

/**
 * Sendet Go-Live-Passwort-Reset-Mails an alle aktiven User.
 *
 * Verwendung:
 *   php artisan auth:send-go-live-mails --dry-run
 *   php artisan auth:send-go-live-mails --portal=presseecho
 *   php artisan auth:send-go-live-mails --limit=10
 *   php artisan auth:send-go-live-mails --force
 */
class SendGoLiveMails extends Command
{
    protected $signature = 'auth:send-go-live-mails
                            {--dry-run : Nur Anzahl ausgeben, keine Mails senden}
                            {--portal= : Nur User eines Portals (presseecho|businessportal24|both)}
                            {--limit=0 : Maximale Anzahl (0 = alle)}
                            {--force : Bestätigung überspringen}';

    protected $description = 'Sendet Go-Live-Passwort-Reset-Mails an alle aktiven Benutzer.';

    private const EXPIRES_IN_MINUTES = 60;

    public function handle(): int
    {
        $isDryRun = $this->option('dry-run');
        $portal = $this->option('portal');
        $limit = (int) $this->option('limit');

        $query = User::query()
            ->where('is_active', true)
            ->whereNotNull('email')
            ->when($portal, fn ($q) => $q->where('portal', $portal));

        $total = $query->count();
        $this->info("Aktive Benutzer gefunden: {$total}");

        if ($portal) {
            $this->line("  → Portal-Filter: {$portal}");
        }

        if ($limit > 0) {
            $this->line("  → Limit: {$limit}");
            $query->limit($limit);
            $total = min($total, $limit);
        }

        if ($isDryRun) {
            $this->warn("[DRY-RUN] Es würden {$total} Mails versendet. Kein tatsächlicher Versand.");

            return self::SUCCESS;
        }

        if (! $this->option('force') && ! $this->confirm("Jetzt {$total} Go-Live-Mails senden?")) {
            $this->info('Abgebrochen.');

            return self::SUCCESS;
        }

        $sent = 0;
        $failed = 0;

        $bar = $this->output->createProgressBar($total);
        $bar->start();

        $query->each(function (User $user) use (&$sent, &$failed, $bar): void {
            try {
                $token = Password::broker()->createToken($user);
                $resetUrl = url(route('password.reset', [
                    'token' => $token,
                    'email' => $user->email,
                ], false));

                Mail::to($user->email)->send(
                    new GoLivePasswordReset($user, $resetUrl, self::EXPIRES_IN_MINUTES)
                );

                $sent++;
            } catch (\Throwable $e) {
                $failed++;
                $this->newLine();
                $this->error("Fehler für {$user->email}: {$e->getMessage()}");
            }

            $bar->advance();
        });

        $bar->finish();
        $this->newLine(2);
        $this->info("Versendet: {$sent}");

        if ($failed > 0) {
            $this->warn("Fehlgeschlagen: {$failed}");
        }

        return $failed > 0 ? self::FAILURE : self::SUCCESS;
    }
}