<?php

namespace App\Console\Commands;

use App\Models\Student;
use Illuminate\Console\Command;
use Illuminate\Support\Str;

class GenerateStudentSelfServiceCodes extends Command
{
    protected $signature = 'students:generate-self-service-codes {--reset : Generate ulang walau kode sudah ada}';
    protected $description = 'Generate kode akses self-service untuk siswa';

    public function handle(): int
    {
        $students = Student::query()
            ->whereNull('deleted_at')
            ->when(! $this->option('reset'), fn ($query) => $query->whereNull('self_service_access_code'))
            ->get();

        if ($students->isEmpty()) {
            $this->info('Tidak ada siswa yang perlu dibuatkan kode akses.');
            return self::SUCCESS;
        }

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

        foreach ($students as $student) {
            $student->forceFill([
                'self_service_access_code' => $this->generateUniqueCode(),
                'self_service_code_generated_at' => now(),
            ])->save();

            $bar->advance();
        }

        $bar->finish();
        $this->newLine(2);
        $this->info('Kode akses self-service berhasil digenerate.');

        return self::SUCCESS;
    }

    protected function generateUniqueCode(): string
    {
        do {
            $code = strtoupper(Str::random(8));
        } while (Student::where('self_service_access_code', $code)->exists());

        return $code;
    }
}