/*jshint globalstrict:false, strict:false, unused:false */

////////////////////////////////////////////////////////////////////////////////
/// @brief test the graph class
///
/// @file
///
/// DISCLAIMER
///
/// Copyright 2010-2012 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 Lucas Dohmen
/// @author Copyright 2012, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////

function main(args) {
  'use strict';
  var Graph = require("@arangodb/graph").Graph,
    graph_name = "UnitTestsCollectionGraph",
    vertex = "UnitTestsCollectionVertex",
    edge = "UnitTestsCollectionEdge",
    graph = null,
    base_path = args[1] + "/",
    v1,
    v2,
    e,
    pathes,
    console = require("console"),
    Helper = require("test-helper").Helper,
    caching = false;

    if (args[2] === "true") {
      caching = true;
    }

////////////////////////////////////////////////////////////////////////////////
/// set up
////////////////////////////////////////////////////////////////////////////////

  try {
    try {
      // Drop the graph if it exsits
      graph = new Graph(graph_name);
      require("internal").print("FOUND: ");
      require("internal").printObject(graph);
      graph.drop();
    } catch (err1) {
    }

    graph = new Graph(graph_name, vertex, edge);
  } catch (err2) {
    console.error("[FAILED] setup failed:" + err2);
  }

////////////////////////////////////////////////////////////////////////////////
/// compare with Neo4j on a given network
////////////////////////////////////////////////////////////////////////////////

  console.log("Importing");

  Helper.process(base_path + "generated_edges.csv", function (row) {
    v1 = graph.getOrAddVertex(row[1]);
    v2 = graph.getOrAddVertex(row[2]);
    e = graph.addEdge(v1, v2);
  });

  console.log("Starting Tests");

  var processor = function (row) {
    v1 = graph.getVertex(row[0]);
    v2 = graph.getVertex(row[1]);

    if (v1 !== null && v2 !== null) {
      pathes = v1.pathTo(v2, { cached: caching });
    }
  };

  while (true) {
    Helper.process(base_path + "generated_testcases.csv", processor);
    console.log("Round Finished");
  }

////////////////////////////////////////////////////////////////////////////////
/// tear down
////////////////////////////////////////////////////////////////////////////////

  try {
    if (graph !== null) {
      graph.drop();
    }
  } catch (err) {
    console.error("[FAILED] tear-down failed:" + err);
  }
}