<?php
namespace Domain\Authors;

class AuthorsRepository
{
  private $db;

  public function __construct($db)
  {
    $this->db = $db;
  }

  /**
   * Prosta lista autorow
   * @return array|bool
   */
  public function simpleList()
  {
    return $this->db->select('pp_authors', '*', ['ORDER' => ['author' => 'ASC']]);
  }

  /**
   * Szczegoly autora z jezykami
   * @param int $authorId
   * @return array|bool
   */
  public function authorDetails($authorId)
  {
    $author = $this->db->get('pp_authors', '*', ['id' => (int)$authorId]);

    $results = $this->db->select('pp_authors_langs', '*', ['id_author' => (int)$authorId]);
    if (is_array($results)) foreach ($results as $row)
      $author['languages'][$row['id_lang']] = $row;

    return $author;
  }

  /**
   * Zapis autora (insert lub update)
   * @param int $authorId
   * @param string $author
   * @param string $image
   * @param string|array $description
   * @return int|bool
   */
  public function authorSave($authorId, $author, $image, $description)
  {
    if (!$authorId)
    {
      $this->db->insert('pp_authors', [
        'author' => $author,
        'image' => $image
      ]);

      $id = $this->db->id();

      if ($id)
      {
        $i = 0;

        $results = $this->db->select('pp_langs', ['id'], ['status' => 1, 'ORDER' => ['o' => 'ASC']]);
        if (is_array($results) and count($results) > 1) foreach ($results as $row)
        {
          $this->db->insert('pp_authors_langs', [
            'id_author' => (int)$id,
            'id_lang' => $row['id'],
            'description' => $description[$i]
          ]);
          $i++;
        }
        else if (is_array($results) and count($results) == 1) foreach ($results as $row)
        {
          $this->db->insert('pp_authors_langs', [
            'id_author' => (int)$id,
            'id_lang' => $row['id'],
            'description' => $description
          ]);
        }

        \S::delete_cache();

        return $id;
      }
    }
    else
    {
      $this->db->update('pp_authors', [
        'author' => $author,
        'image' => $image
        ], [
        'id' => (int)$authorId
      ]);

      $this->db->delete('pp_authors_langs', ['id_author' => (int)$authorId]);

      $i = 0;

      $results = $this->db->select('pp_langs', ['id'], ['status' => 1, 'ORDER' => ['o' => 'ASC']]);
      if (is_array($results) and count($results) > 1) foreach ($results as $row)
      {
        $this->db->insert('pp_authors_langs', [
          'id_author' => (int)$authorId,
          'id_lang' => $row['id'],
          'description' => $description[$i]
        ]);
        $i++;
      }
      else if (is_array($results) and count($results) == 1) foreach ($results as $row)
      {
        $this->db->insert('pp_authors_langs', [
          'id_author' => (int)$authorId,
          'id_lang' => $row['id'],
          'description' => $description
        ]);
      }

      \S::delete_cache();

      return $authorId;
    }
    return false;
  }

  /**
   * Usuniecie autora
   * @param int $authorId
   * @return object|bool
   */
  public function authorDelete($authorId)
  {
    $result = $this->db->delete('pp_authors', ['id' => (int)$authorId]);
    \S::delete_cache();

    return $result;
  }

  /**
   * Szczegoly autora z cache (front)
   * @param int $authorId
   * @return array|bool
   */
  public function authorByLang($authorId)
  {
    if (!$author = \Shared\Cache\CacheHandler::fetch("get_single_author:$authorId"))
    {
      $author = $this->db->get('pp_authors', '*', ['id' => (int)$authorId]);

      $results = $this->db->select('pp_authors_langs', '*', ['id_author' => (int)$authorId]);
      if (is_array($results)) foreach ($results as $row)
        $author['languages'][$row['id_lang']] = $row;

      \Shared\Cache\CacheHandler::store("get_single_author:$authorId", $author);
    }
    return $author;
  }
}