'use strict';

////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2016 ArangoDB GmbH, Cologne, Germany
/// 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 ArangoDB GmbH, Cologne, Germany
///
/// @author Dr. Frank Celler
////////////////////////////////////////////////////////////////////////////////

module.isSystem = true;

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

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

var internal = require("internal"); // OK: db

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

exports.isServer = true;

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

exports.isClient = false;

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

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

////////////////////////////////////////////////////////////////////////////////
/// @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 the global db object
////////////////////////////////////////////////////////////////////////////////

exports.db = internal.db;

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

exports.plainServerVersion = function() {
  let version = internal.version;
  let devel = version.match(/(.*)\.x-devel/);

  if (devel !== null) {
    version = devel[1] + ".0";
  } else {
    devel = version.match(/(.*)-((alpha|beta|devel|rc)[0-9]*)$/);

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

  return version;
};