<?php

Lib::loadClass('Api_WfsNs');
Lib::loadClass('Api_WfsException');
Lib::loadClass('User');
Lib::loadClass('Core_AclHelper');

class Core_AclSimpleSchemaBase extends Core_AclBase {

  public $_simpleSchema = array();
  public $_xsdTypes = null;

  public function getSimpleSchema() { return $this->_simpleSchema; }

  public function getNamespace() { return 'default_objects/' . $this->getName(); }
  public function getSourceName() { return 'default_objects'; }
  public function init($force = false) {}
  public function isInitialized() { return true; }
  public function getFieldListByIdZasob() { return $this->getRealFieldListByIdZasob(); }
  public function getVisibleFieldListByIdZasob() { return $this->getRealFieldListByIdZasob(); }
  public function getVirtualFieldListByIdZasob() { return array(); }
  public function getRealFieldListByIdZasob($force = false) {
    $cols = array();
    foreach ($this->getFields() as $idField => $field) {
      $cols[$idField] = $field['name'];
    }
    return $cols;
  }
  public function getXsdTypes() {
    if (null !== $this->_xsdTypes) return $this->_xsdTypes;
    $this->_xsdTypes = array();
    $generatedIdZasob = 10000;
    foreach ($this->_simpleSchema as $key => $value) {
      if ('@' == substr($key, 0, 1)) continue;// skip attributes
      if (is_array($value)) {
        $fieldName = $key;
        $field = [ 'name' => $fieldName, 'perms' => 'R', 'idZasob' => $generatedIdZasob ];
        if (!empty($value['@baseTypeName'])) $field['xsdType'] = "alias_ref:{$value['@baseTypeName']}";
        else if (!empty($value['@ref'])) $field['xsdType'] = "alias_ref:{$value['@ref']}";
        else throw new Exception("StorageAcl - field type not defined '{$key}'");
        if (!empty($value['@maxOccurs'])) $field['maxOccurs'] = $value['@maxOccurs'];
        $this->_xsdTypes[$fieldName] = $field;
      } else if (is_scalar($value)) {
        $fieldName = $key;
        $field = [ 'name' => $fieldName, 'perms' => 'R', 'idZasob' => $generatedIdZasob ];
        $field['xsdType'] = $value;
        $this->_xsdTypes[$fieldName] = $field;
      } else {
        throw new Exception("StorageAcl - TODO: Unimplemented value type in simpleSchema: " . json_encode($value));
      }
      $generatedIdZasob++;
    }
    return $this->_xsdTypes;
  }
  public function getFields() {// @returns array - $this->_fields
    $fieldsById = array();
    foreach ($this->getXsdTypes() as $fieldName => $field) {
      $field['name'] = $fieldName;
      $fieldsById[ $field['idZasob'] ] = $field;
    }
    return $fieldsById;
  }
  public function getFieldType($fieldName) {
    foreach ($this->getFields() as $field) {
      if ($fieldName == $field['name']) return $field;
    }
    return null;
	}

  // TODO: replace legacy functions: isAllowed, hasFieldPerm, getFieldIdByName
  public function canCreateField($fieldName) {
    return false;// TODO: perms from Procesy
  }
  public function canReadField($fieldName) {
    return true;// TODO: perms from Procesy
  }
  public function canReadObjectField($fieldName, $record) {
    return true;// TODO: perms from Procesy
  }
  public function canWriteField($fieldName) {
    return false;// TODO: perms from Procesy
  }
  public function canWriteObjectField($fieldName, $record) {
    return false;// TODO: perms from Procesy
  }

  public function getTotal($params = array()) {// TODO: use ParseOgcQuery
    throw new Exception("Unimplemented - TODO: F." . __FUNCTION__);
  }
  public function getItem($primaryKey) {
    throw new Exception("Unimplemented - TODO: F." . __FUNCTION__);
  }
  public function getItems($params = array()) {// TODO: use ParseOgcQuery
    throw new Exception("Unimplemented - TODO: F." . __FUNCTION__);
  }
  public function fetchItemRef(&$items) {
    throw new Exception("Unimplemented - TODO: F." . __FUNCTION__);
  }
  public function addItem($itemTodo) {
    throw new Exception("Unimplemented - TODO: F." . __FUNCTION__);
    // return $this->parentAcl->addItem($itemTodo);
  }
  public function updateItem($itemPatch) {
    throw new Exception("Unimplemented - TODO: F." . __FUNCTION__);
    // return $this->parentAcl->updateItem($itemPatch);
  }

  public function getGeomFieldType($fieldName) { return null; }
  public function getPrimaryKeyField() { return 'ID'; }
  public function getID() { return 0; }
  public function getAttributesFromZasoby() { return array(); }
  public function isEnumerationField($fieldName) { return false; }
  public function getEnumerations($fieldName) { return null; }
  public function getXsdFieldType($fieldName) {
    $xsdTypes = $this->getXsdTypes();
    if (empty($xsdTypes[$fieldName])) throw new Exception("Field '{$fieldName}' not exists");
    return $xsdTypes[$fieldName]['xsdType'];
  }
  public function isGeomField($fldName) {
    if ('File' == $fieldName) return false;
    if ('AccessGroupRead' == $fieldName) return false;
    if ('AccessGroupWrite' == $fieldName) return false;
    if ('AccessOwner' == $fieldName) return false;
    // if ('NestedObjectTest' == $fieldName) return false;
    // return $this->parentAcl->isGeomField($fldName);
  }

}