<?php
namespace nulib\db\_private;

use nulib\db\IDatabase;
use nulib\php\func;

class _config {
  static function with($configs): self {
    if ($configs instanceof static) return $configs;
    return new static($configs);
  }

  const CONFIG = null;

  function __construct($configs) {
    if ($configs === null) $configs = static::CONFIG;
    if ($configs === null) $configs = [];
    elseif (is_string($configs)) $configs = [$configs];
    elseif (is_callable($configs)) $configs = [$configs];
    elseif (!is_array($configs)) $configs = [strval($configs)];
    $this->configs = $configs;
  }

  /** @var array */
  protected $configs;

  function configure(IDatabase $db): void {
    foreach ($this->configs as $key => $config) {
      if (is_string($config) && !func::is_method($config)) {
        $db->exec($config);
      } else {
        func::with($config)->bind($this, true)->invoke([$db, $key]);
      }
    }
  }
}