<?php

Lib::loadClass('Core_AclSimpleSchemaBase');
Lib::loadClass('ParseOgcFilter');

class Schema_SystemObjectStorageAcl extends Core_AclSimpleSchemaBase {

  public $_simpleSchema = [
    'root' => [
      '@namespace' => 'default_objects/SystemObject',
      'ID' => [ '@type' => 'xsd:integer' ],
      'namespace' => [ '@type' => 'xsd:string' ],
      'typeName' => [ '@type' => 'xsd:string' ],
      'tabela' => [ '@type' => 'xsd:string', '@alias' => 'DESC' ],
      'nazwa' => [ '@type' => 'xsd:string', '@alias' => 'DESC' ],
      'opis' => [ '@type' => 'xsd:string', '@alias' => 'OPIS' ],
      'id_zasob' => [ '@type' => 'xsd:integer' ],
      'autor' => [ '@type' => 'xsd:string' , '@alias' => 'A_RECORD_CREATE_AUTHOR' ],
      'utworzono' => [ '@type' => 'xsd:date' , '@alias' => 'A_RECORD_CREATE_DATE' ],
      'zaktualizował' => [ '@type' => 'xsd:string' , '@alias' => 'A_RECORD_UPDATE_AUTHOR' ],
      'zaktualizowano' => [ '@type' => 'xsd:date', '@alias' => 'A_RECORD_UPDATE_DATE' ]
    ]
  ];
  public $_rootTableName = 'CRM_LISTA_ZASOBOW';

  public function getTotal($params = []) {
    return count($this->_getAllItems());
  }

  public function getItems($params = []) {
    $items = $this->_getAllItems();
    $currSortCol = V::get('order_by', 'ID', $params);
    $currSortFlip = strtolower(V::get('order_dir', 'desc', $params));
    // TODO: validate $currSortCol is in field list
    // TODO: validate $currSortFlip ('asc' or 'desc')

    $aliasMap = array();
    foreach ($this->_simpleSchema['root'] as $key => $field) {
      if ('@' === substr($key, 0, 1)) continue;
      $aliasMap[ $key ] = $key;// (!empty($field['@alias'])) ? $field['@alias'] : $key;
    }
    // TODO: if (!array_key_exists($currSortCol, $aliasMap)) throw new Exception("field name not allowed to sort");
    $currSortCol = (array_key_exists($currSortCol, $aliasMap)) ? $aliasMap[$currSortCol] : null;

    if (!empty($currSortCol) && ('asc' == $currSortFlip || 'desc' == $currSortFlip)) {
      usort($items, function ($itemA, $itemB) use ($currSortCol, $currSortFlip) {
        $a = strtolower(V::get($currSortCol, '', $itemA));
        $b = strtolower(V::get($currSortCol, '', $itemB));

        if ($a == $b) return 0;
        else if ('asc' == $currSortFlip)  return ($a < $b) ? -1 : 1;
        else if ('desc' == $currSortFlip) return ($a > $b) ? -1 : 1;
        throw new Exception("BUG - Wrong sort param - order dir");
      });
    }

    $limit = V::get('limit', 0, $params);
    $limit = ($limit < 0) ? 0 : $limit;
    $offset = V::get('limitstart', 0, $params);
    $offset = ($offset < 0) ? 0 : $offset;
    return array_slice($items, $offset, ($limit > 0) ? $limit : null, $preserve_keys = true);
  }

  public function _generateUniqueKeyFromNamespace($namespace) {
    return str_replace('/', '__x3A__', $namespace);
  }

  public function _getAllItems($params = []) {
    static $_cacheAllItems = null;
    if (null !== $_cacheAllItems) return $_cacheAllItems;
    $idMainDatabase = DB::getPDO()->getZasobId();
    $_cacheAllItems = array_filter(
      array_merge(
        array_map(
          function ($row) {
            $row['namespace'] = "default_db/{$row['tabela']}";
            $row['typeName'] = "default_db:{$row['tabela']}";
            $row['ID'] = $this->_generateUniqueKeyFromNamespace($row['namespace']);
            return $row;
          }
          , DB::getPDO()->fetchAll("
            select z.ID as id_zasob
              , z.`DESC` as tabela
              , IF(z.`DESC_PL` != '', z.`DESC_PL`, z.`DESC`) as nazwa
              , z.`OPIS` as opis
              , z.A_RECORD_CREATE_AUTHOR as `autor`
              , z.A_RECORD_CREATE_DATE as `utworzono`
              , z.A_RECORD_UPDATE_AUTHOR as `zaktualizował`
              , z.A_RECORD_UPDATE_DATE as `zaktualizowano`
            from `CRM_LISTA_ZASOBOW` z
            where z.PARENT_ID = {$idMainDatabase}
              and z.`TYPE` = 'TABELA'
              and z.`A_STATUS` not in('DELETED', 'OFF_HARD', 'OFF_SOFT')
          ")
        )
        , array_map(
          function ($typeName) {
            $namespace = str_replace(':', '/', $typeName);
            $namespace = str_replace('__x3A__', '/', $namespace);
            return [
              'ID' => $this->_generateUniqueKeyFromNamespace($namespace),
              'namespace' => $namespace,
              'typeName' => $typeName,
              'tabela' => '', // TODO: $acl->getRootTableName(),
              'nazwa' => substr($typeName, strrpos($typeName, ':') + 1),
              'opis' => '...',
              'autor' => '',
              'utworzono' => '',
              'zaktualizował' => '',
              'zaktualizowano' => ''
            ];
          }
          , Core_AclHelper::getAclList()
        )
      )
      , function ($item) use ($params) {
        return true;
      }
    );
    return $_cacheAllItems;
  }

}