<?php
namespace nur\sery\file\csv;

use nur\sery\file\web\Upload;
use nur\sery\os\path;
use nur\sery\ValueException;

trait TAbstractBuilder {
  /** @param Upload|string|array $builder */
  static function with($builder): IBuilder {
    if ($builder instanceof self) return $builder;
    $class = null;
    if ($builder instanceof Upload) {
      # faire un builder dans le même format que le fichier uploadé
      if ($builder->isExt(".csv")) $class = CsvBuilder::class;
      else $class = static::class;
      return new $class($builder->name);
    }
    if (is_string($builder)) $builder = ["output" => $builder];
    if (!is_array($builder)) {
      throw ValueException::invalid_type($builder, self::class);
    }
    $input = $builder["output"] ?? null;
    if (is_string($input) && path::ext($input) === ".csv") {
      $class = CsvBuilder::class;
    }
    if ($class === null) $class = static::class;
    return new $class(null, $builder);
  }
}