/*jshint -W051:true */
/*eslint-disable */
(function () {
'use strict';
/*eslint-enable */

////////////////////////////////////////////////////////////////////////////////
/// @brief module "internal"
///
/// @file
///
/// DISCLAIMER
///
/// Copyright 2004-2013 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 2010-2013, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////

var exports = require('internal');

////////////////////////////////////////////////////////////////////////////////
/// @brief hide global variables
////////////////////////////////////////////////////////////////////////////////

if (global.ArangoConnection) {
  exports.ArangoConnection = global.ArangoConnection;
}

if (global.SYS_ARANGO) {
  exports.arango = global.SYS_ARANGO;
  delete global.SYS_ARANGO;
}

////////////////////////////////////////////////////////////////////////////////
/// @brief write-ahead log functionality
////////////////////////////////////////////////////////////////////////////////

exports.wal = {
  flush: function (waitForSync, waitForCollector) {
    if (exports.arango) {
      var wfs = waitForSync ? 'true' : 'false';
      var wfc = waitForCollector ? 'true' : 'false';
      exports.arango.PUT('/_admin/wal/flush?waitForSync=' + wfs + '&waitForCollector=' + wfc, '');
      return;
    }

    throw 'not connected';
  },

  properties: function (value) {
    if (exports.arango) {
      if (value !== undefined) {
        return exports.arango.PUT('/_admin/wal/properties', JSON.stringify(value));
      }

      return exports.arango.GET('/_admin/wal/properties', '');
    }

    throw 'not connected';
  },

  transactions: function () {
    if (exports.arango) {
      return exports.arango.GET('/_admin/wal/transactions', '');
    }

    throw 'not connected';
  }
};

////////////////////////////////////////////////////////////////////////////////
/// @brief reloads the AQL user functions
////////////////////////////////////////////////////////////////////////////////

exports.reloadAqlFunctions = function () {
  if (exports.arango) {
    exports.arango.POST('/_admin/aql/reload', '');
    return;
  }

  throw 'not connected';
};

////////////////////////////////////////////////////////////////////////////////
/// @brief rebuilds the routing cache
////////////////////////////////////////////////////////////////////////////////

exports.reloadRouting = function () {
  if (exports.arango) {
    exports.arango.POST('/_admin/routing/reload', '');
    return;
  }

  throw 'not connected';
};

////////////////////////////////////////////////////////////////////////////////
/// @brief rebuilds the routing cache
////////////////////////////////////////////////////////////////////////////////

exports.routingCache = function () {
  if (exports.arango) {
    return exports.arango.GET('/_admin/routing/routes', '');

  }

  throw 'not connected';
};

////////////////////////////////////////////////////////////////////////////////
/// @brief rebuilds the authentication cache
////////////////////////////////////////////////////////////////////////////////

exports.reloadAuth = function () {
  if (exports.arango) {
    exports.arango.POST('/_admin/auth/reload', '');
    return;
  }

  throw 'not connected';
};

////////////////////////////////////////////////////////////////////////////////
/// @brief execute javascript file on the server
////////////////////////////////////////////////////////////////////////////////

exports.executeServer = function (body) {
  if (exports.arango) {
    return exports.arango.POST('/_admin/execute', body);
  }

  throw 'not connected';
};

////////////////////////////////////////////////////////////////////////////////
/// @brief logs a request in curl format
////////////////////////////////////////////////////////////////////////////////

exports.appendCurlRequest = function (shellAppender,jsonAppender, rawAppender) {
  return function (method, url, body, headers) {
    var response;
    var curl;
    var i;
    var jsonBody = false;

    if ((typeof body !== 'string') && (body !== undefined)) {
      jsonBody = true;
      body = exports.inspect(body);
    }

    curl = 'shell> curl ';

    if (method === 'POST') {
      response = exports.arango.POST_RAW(url, body, headers);
      curl += '-X ' + method + ' ';
    }
    else if (method === 'PUT') {
      response = exports.arango.PUT_RAW(url, body, headers);
      curl += '-X ' + method + ' ';
    }
    else if (method === 'GET') {
      response = exports.arango.GET_RAW(url, headers);
    }
    else if (method === 'DELETE') {
      response = exports.arango.DELETE_RAW(url, headers);
      curl += '-X ' + method + ' ';
    }
    else if (method === 'PATCH') {
      response = exports.arango.PATCH_RAW(url, body, headers);
      curl += '-X ' + method + ' ';
    }
    else if (method === 'HEAD') {
      response = exports.arango.HEAD_RAW(url, headers);
      curl += '-X ' + method + ' ';
    }
    else if (method === 'OPTION') {
      response = exports.arango.OPTION_RAW(url, body, headers);
      curl += '-X ' + method + ' ';
    }
    if (headers !== undefined && headers !== '') {
      for (i in headers) {
        if (headers.hasOwnProperty(i)) {
          curl += '--header \'' + i + ': ' + headers[i] + '\' ';
        }
      }
    }

    if (body !== undefined && body !== '') {
      curl += '--data-binary @- ';
    }

    curl += '--dump - http://localhost:8529' + url;

    shellAppender(curl);

    if (body !== undefined && body !== '' && body) {
      rawAppender(' <<EOF\n');
      if (jsonBody) {
        jsonAppender(body);
      }
      else {
        rawAppender(body);
      }
      rawAppender('\nEOF');
    }
    rawAppender('\n\n');
    return response;
  };
};

////////////////////////////////////////////////////////////////////////////////
/// @brief logs a raw response
////////////////////////////////////////////////////////////////////////////////

exports.appendRawResponse = function (appender, syntaxAppender) {
  return function (response) {
    var key;
    var headers = response.headers;

    // generate header
    appender('HTTP/1.1 ' + headers['http/1.1'] + '\n');

    for (key in headers) {
      if (headers.hasOwnProperty(key)) {
        if (key !== 'http/1.1' && key !== 'server' && key !== 'connection'
            && key !== 'content-length') {
          appender(key + ': ' + headers[key] + '\n');
        }
      }
    }

    appender('\n');

    // append body
    if (response.body !== undefined) {
      syntaxAppender(exports.inspect(response.body));
      appender('\n');
    }
  };
};

////////////////////////////////////////////////////////////////////////////////
/// @brief logs a response in JSON
////////////////////////////////////////////////////////////////////////////////

exports.appendJsonResponse = function (appender, syntaxAppender) {
  return function (response) {
    var syntaxAppend = exports.appendRawResponse(syntaxAppender, syntaxAppender);

    // copy original body (this is necessary because 'response' is passed by reference)
    var copy = response.body;
    // overwrite body with parsed JSON && append
    response.body = JSON.parse(response.body);
    syntaxAppend(response);
    // restore original body
    response.body = copy;
  };
};


////////////////////////////////////////////////////////////////////////////////
/// @brief log function
////////////////////////////////////////////////////////////////////////////////

exports.log = function (level, msg) {
  exports.output(level, ': ', msg, '\n');
};

////////////////////////////////////////////////////////////////////////////////
/// @brief sprintf wrapper
////////////////////////////////////////////////////////////////////////////////

try {
  if (typeof window !== 'undefined') {
    exports.sprintf = function (format) {
      var n = arguments.length;
      if (n === 0) {
        return '';
      }
      if (n <= 1) {
        return String(format);
      }

      var i;
      var args = [ ];
      for (i = 1; i < arguments.length; ++i) {
        args.push(arguments[i]);
      }
      i = 0;

      return format.replace(/%[dfs]/, function () {
        return String(args[i++]);
      });
    };
  }
}
catch (e) {
  // noop
}

}());