<?php
namespace nulib\app\cli;

use nulib\A;

/**
 * Class Aogroup: groupe d'arguments fonctionnant ensemble
 */
class Aogroup extends Aolist {
  function __construct(array $defs, bool $setup=false) {
    $marker = A::pop($defs, 0);
    if ($marker !== "group") {
      throw ArgsException::invalid(null, "group");
    }
    # réordonner les clés numériques
    $defs = array_merge($defs);
    parent::__construct($defs, $setup);
  }

  function printHelp(?array $what=null): void {
    $showGroup = $what["show"] ?? true;
    if (!$showGroup) return;

    $prefix = $what["prefix"] ?? null;
    if ($prefix !== null) echo $prefix;

    $firstAodef = null;
    foreach ($this->all() as $aodef) {
      $firstAodef ??= $aodef;
      $aodef->printHelp(["help" => false]);
    }
    if ($firstAodef !== null) {
      $firstAodef->printHelp(["options" => false]);
    }
  }
}