<?php
namespace nulib\app\args;

use nulib\app\args\Aodef;
use nulib\app\args\Aolist;
use nulib\php\types\vbool;

/**
 * Class Aosection: un regroupement d'arguments pour améliorer la mise en forme
 * de l'affichage de l'aide
 */
class Aosection extends Aolist {
  function __construct(array $defs, bool $setup=false) {
    parent::__construct($defs, $setup);
  }

  public bool $show = true;
  public ?string $prefix = null;
  public ?string $title = null;
  public ?string $description = null;
  public ?string $suffix = null;

  protected function parseParams(?array $params): void {
    $this->show = vbool::with($params["show"] ?? true);
    $this->prefix ??= $params["prefix"] ?? null;
    $this->title ??= $params["title"] ?? null;
    $this->description ??= $params["description"] ?? null;
    $this->suffix ??= $params["suffix"] ?? null;
  }

  function printHelp(?array $what=null): void {
    $showSection = $what["show"] ?? $this->show;
    if (!$showSection) return;

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

    if ($this->prefix) echo "{$this->prefix}\n";
    if ($this->title) echo "{$this->title}\n";
    if ($this->description) echo "\n{$this->description}\n";
    /** @var Aodef|Aolist $aobject */
    foreach ($this->all(["aolist" => true]) as $aobject) {
      $aobject->printHelp();
    }
    if ($this->suffix) echo "{$this->suffix}\n";
  }
}