<?php
namespace Aldarien\Common\Service;

use \ORM as ORM;
use Aldarien\Common\Alias\Model;

class ParisConfig {
  protected $default;
  protected $databases;
  public function __construct(string $default, object $databases) {
    $this->default = $default;
    $this->databases = $databases;
  }
  protected function getEngines() {
    $dir = implode(DIRECTORY_SEPARATOR, [dirname(dirname(__DIR__)), 'src']);
    $files = new \DirectoryIterator($dir);
    $engines = [];
    foreach ($files as $file) {
      if ($file->isDir() or $file->getExtension() != 'php') {
        continue;
      }
      $engine = $file->getBasename('.' . $file->getExtension());
      $name = str_replace('requirements', '', strtolower($engine));
      $engines[$name] = $engine;
    }
    return $engines;
  }
  public function config() {
    $engines = $this->getEngines();
    foreach ($this->databases as $name => $database) {
      if ($name == $this->default) {
        $name = ORM::DEFAULT_CONNECTION;
      }
      $engine = $database->engine;
      $requirements = implode("\\", ['Aldarien', 'Models', $engines[strtolower($engine)]]);
      $requirements = new $requirements();
      $dsn = $requirements->getDSN($database);
      ORM::configure($dsn, null, $name);
      if ($requirements->hasUser()) {
        ORM::configure('username', $database->user->name, $name);
        ORM::configure('password', $database->user->password, $name);
      }
    }
    if (isset($this->databases->short_table_names)) {
      Model::$short_table_names = $this->databases->short_table_names;
    }
  }
}