'use strict';

////////////////////////////////////////////////////////////////////////////////
/// @brief JavaScript base module
///
/// @file
///
/// DISCLAIMER
///
/// Copyright 2012 triagens GmbH, Cologne, Germany
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
///     http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is triAGENS GmbH, Cologne, Germany
///
/// @author Dr. Frank Celler
/// @author Copyright 2012, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////

var internal = require("internal");
var common = require("@arangodb/common");

Object.keys(common).forEach(function (key) {
  exports[key] = common[key];
});


////////////////////////////////////////////////////////////////////////////////
/// @brief isServer
////////////////////////////////////////////////////////////////////////////////

exports.isServer = false;

////////////////////////////////////////////////////////////////////////////////
/// @brief isClient
////////////////////////////////////////////////////////////////////////////////

exports.isClient = true;

////////////////////////////////////////////////////////////////////////////////
/// @brief class "ArangoCollection"
////////////////////////////////////////////////////////////////////////////////

// cannot yet not use arangodb
exports.ArangoCollection = require("@arangodb/arango-collection").ArangoCollection;

////////////////////////////////////////////////////////////////////////////////
/// @brief class "ArangoConnection"
////////////////////////////////////////////////////////////////////////////////

exports.ArangoConnection = internal.ArangoConnection;

////////////////////////////////////////////////////////////////////////////////
/// @brief class "ArangoDatabase"
////////////////////////////////////////////////////////////////////////////////

// cannot yet not use arangodb
exports.ArangoDatabase = require("@arangodb/arango-database").ArangoDatabase;

////////////////////////////////////////////////////////////////////////////////
/// @brief class "ArangoStatement"
////////////////////////////////////////////////////////////////////////////////

// cannot yet not use arangodb
exports.ArangoStatement = require("@arangodb/arango-statement").ArangoStatement;

////////////////////////////////////////////////////////////////////////////////
/// @brief class "ArangoQueryCursor"
////////////////////////////////////////////////////////////////////////////////

// cannot yet not use arangodb
exports.ArangoQueryCursor = require("@arangodb/arango-query-cursor").ArangoQueryCursor;

////////////////////////////////////////////////////////////////////////////////
/// @brief the global "db" and "arango" object
////////////////////////////////////////////////////////////////////////////////

if (typeof internal.arango !== 'undefined') {
  try {
    exports.arango = internal.arango;
    exports.db = new exports.ArangoDatabase(internal.arango);
    internal.db = exports.db; // TODO remove
  }
  catch (err) {
    internal.print("cannot connect to server: " + String(err));
  }
}

////////////////////////////////////////////////////////////////////////////////
/// @brief the server version
////////////////////////////////////////////////////////////////////////////////

exports.plainServerVersion = function() {
  if (internal.arango) {
    let version = internal.arango.getVersion();
    let devel = version.match(/(.*)-(rc[0-9]*|devel)$/);

    if (devel !== null) {
      version = devel[1];
    }

    return version;
  }
  else {
    return undefined;
  }
};