<?php

namespace App\Commands\Expenses;

use App\Models\Branch;
use App\Models\Expense;

class GenerateVoucher
{
    public static function execute(Branch $branch): string
    {
        $year = now()->format('y');
        $lastVoucher = Expense::query()->where('branch_id', $branch->id)->orderBy('created_at', 'desc')->first();

        if (! $lastVoucher) {
            return $year.'-'.str_pad(1, 6, '0', STR_PAD_LEFT);
        }

        $voucherNumber = (int) explode('-', $lastVoucher->voucher_number)[1];

        return $year.'-'.str_pad($voucherNumber + 1, 6, '0', STR_PAD_LEFT);
    }
}