<?php
namespace nulib\tools;

use nulib\app\cli\Application;
use nulib\ext\tab\SsBuilder;
use nulib\ext\tab\SsReader;
use nulib\file;
use nulib\os\path;
use nulib\ValueException;

class Csv2xlsxApp extends Application {
  private $args;

  function main() {
    $input = ValueException::check_null($this->args[0] ?? null);
    $inputname = path::filename($input);
    $output = path::ensure_ext($inputname, ".xlsx", ".csv");

    $reader = SsReader::with($input);
    $builder = SsBuilder::with($output);
    $builder->writeAll($reader);
    $builder->build();
    $builder->copyTo(file::writer($output), true);
  }
}