<?php

namespace App\Console\Commands;

use Illuminate\Console\Command;
use Illuminate\Support\Facades\Hash;
use Illuminate\Support\Str;

class ChangePasswordCommand extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'change:default:passwords {emails}';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Bulk change default passwords for users by emails, emails are provided as a comma-separated list.';

    /**
     * Create a new command instance.
     *
     * @return void
     */
    public function __construct()
    {
        parent::__construct();
    }

    /**
     * Execute the console command.
     *
     * @return int
     */
    public function handle()
    {
        // Let's generate one password for all users, password should be strong with at least 8 characters, 1 uppercase letter, 1 lowercase letter, 1 number and 1 special character.
        $password = $this->str_random(22);
        // Let's remove any file with the name password.*.txt in this location "/var/www/ccsystem/password" 
        $files = glob('/var/www/ccsystem/storage/app/password.*.txt');
        foreach ($files as $file) {
            if (is_file($file)) {
                unlink($file);
            }
        }

        // Store the password in the file password.txt
        $file = fopen('/var/www/ccsystem/storage/app/password.'.rand(1000000,999999999).'.txt', 'w');
        fwrite($file, $password);
        fclose($file);
        $this->info('Password generated: ' . $password);
        $emails = $this->argument('emails');
        $emails = explode(',', $emails);
        $emails = array_map('trim', $emails);
        $emails = array_filter($emails);
        if (empty($emails)) {
            $this->error('No emails provided.');
            return 1;
        }
        foreach($emails as $email){
            $user = \DB::table('users')->where('email', $email)->update([
                'password' => bcrypt($password),
            ]);
            $this->info('Password changed for user: ' . $email);
        }
        return 0;
    }

    function str_random($length = 16)
    {
        return bin2hex(random_bytes($length / 2));
    }
    
}