'use strict';

// //////////////////////////////////////////////////////////////////////////////
// / @brief AQL query management
// /
// / @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 Jan Steemann
// / @author Copyright 2013, triAGENS GmbH, Cologne, Germany
// //////////////////////////////////////////////////////////////////////////////

var internal = require('internal');
var arangosh = require('@arangodb/arangosh');

// //////////////////////////////////////////////////////////////////////////////
// / @brief clears the slow query log
// //////////////////////////////////////////////////////////////////////////////

exports.clearSlow = function () {
  var db = internal.db;

  var requestResult = db._connection.DELETE('/_api/query/slow');
  arangosh.checkRequestResult(requestResult);

  return requestResult;
};

// //////////////////////////////////////////////////////////////////////////////
// / @brief returns the slow queries
// //////////////////////////////////////////////////////////////////////////////

exports.slow = function () {
  var db = internal.db;

  var requestResult = db._connection.GET('/_api/query/slow', '');
  arangosh.checkRequestResult(requestResult);

  return requestResult;
};

// //////////////////////////////////////////////////////////////////////////////
// / @brief returns the current queries
// //////////////////////////////////////////////////////////////////////////////

exports.current = function () {
  var db = internal.db;

  var requestResult = db._connection.GET('/_api/query/current', '');
  arangosh.checkRequestResult(requestResult);

  return requestResult;
};

// //////////////////////////////////////////////////////////////////////////////
// / @brief configures the query tracking properties
// //////////////////////////////////////////////////////////////////////////////

exports.properties = function (config) {
  var db = internal.db;

  var requestResult;
  if (config === undefined) {
    requestResult = db._connection.GET('/_api/query/properties');
  } else {
    requestResult = db._connection.PUT('/_api/query/properties', config);
  }

  arangosh.checkRequestResult(requestResult);

  return requestResult;
};

// //////////////////////////////////////////////////////////////////////////////
// / @brief kills a query
// //////////////////////////////////////////////////////////////////////////////

exports.kill = function (id) {
  if (typeof id === 'object' &&
    id.hasOwnProperty('id')) {
    id = id.id;
  }

  var db = internal.db;

  var requestResult = db._connection.DELETE('/_api/query/' + encodeURIComponent(id));
  arangosh.checkRequestResult(requestResult);

  return requestResult;
};