/*jshint -W051:true */
'use strict';

////////////////////////////////////////////////////////////////////////////////
/// @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
////////////////////////////////////////////////////////////////////////////////

// -----------------------------------------------------------------------------
// --SECTION--                                                 Module "internal"
// -----------------------------------------------------------------------------

(function () {

var exports = require("internal");

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

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

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

// -----------------------------------------------------------------------------
// --SECTION--                                                 private functions
// -----------------------------------------------------------------------------

////////////////////////////////////////////////////////////////////////////////
/// @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";
  }
};

////////////////////////////////////////////////////////////////////////////////
/// @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 (appender) {
  return function (method, url, body, headers) {
    var response;
    var curl;
    var i;

    if ((typeof body !== 'string') && (body !== undefined)) {
      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;

    appender(curl);

    if (body !== undefined && body !== "" && body) {
      appender(" <<EOF\n");
      appender(body);
      appender("\nEOF");
    }
    appender("\n\n");
    return response;
  };
};

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

exports.appendRawResponse = function (appender) {
  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) {
      appender(exports.inspect(response.body));
      appender("\n");
    }
  };
};

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

exports.appendJsonResponse = function (appender) {
  return function (response) {
    var rawAppend = exports.appendRawResponse(appender);

    // 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);
    rawAppend(response);
    // restore original body
    response.body = copy;
  };
};

// -----------------------------------------------------------------------------
// --SECTION--                                                  public functions
// -----------------------------------------------------------------------------

////////////////////////////////////////////////////////////////////////////////
/// @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) {}

}());

// -----------------------------------------------------------------------------
// --SECTION--                                                       END-OF-FILE
// -----------------------------------------------------------------------------

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