/* jshint globalstrict:false, strict:false, unused : false */
/* global assertEqual, assertTrue, assertFalse, assertNull, fail, AQL_EXECUTE */
// //////////////////////////////////////////////////////////////////////////////
// / @brief recovery tests for views
// /
// / @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 Jan Steemann
// / @author Copyright 2013, triAGENS GmbH, Cologne, Germany
// //////////////////////////////////////////////////////////////////////////////

var db = require('@arangodb').db;
var internal = require('internal');
var jsunity = require('jsunity');

function runSetup () {
  'use strict';
  internal.debugClearFailAt();

  db._drop('UnitTestsRecoveryDummy');
  var c = db._create('UnitTestsRecoveryDummy');

  db._dropView('UnitTestsRecoveryView');
  db._createView('UnitTestsRecoveryView', 'arangosearch', {});

  var meta = { links: { 'UnitTestsRecoveryDummy': { includeAllFields: true } } };
  db._view('UnitTestsRecoveryView').properties(meta);

  internal.wal.flush(true, true);
  internal.debugSetFailAt("FlushThreadDisableAll");
  internal.wait(2); // make sure failure point takes effect

  for (let i = 0; i < 20000; i++) {
    c.save({ a: "foo_" + i, b: "bar_" + i, c: i, _key: "doc_" + i });
  }

  for (let i = 10000; i < 20000; i++) {
    c.remove("doc_" + i);
  }

  c.save({ name: 'crashme' }, { waitForSync: true });

  internal.debugTerminate('crashing server');
}

// //////////////////////////////////////////////////////////////////////////////
// / @brief test suite
// //////////////////////////////////////////////////////////////////////////////

function recoverySuite () {
  'use strict';
  jsunity.jsUnity.attachAssertions();

  return {
    setUp: function () {},
    tearDown: function () {},

    // //////////////////////////////////////////////////////////////////////////////
    // / @brief test whether we can restore the trx data
    // //////////////////////////////////////////////////////////////////////////////

    testIResearchLinkPopulateRemoveNoFlushThread: function () {
      var v = db._view('UnitTestsRecoveryView');
      assertEqual(v.name(), 'UnitTestsRecoveryView');
      assertEqual(v.type(), 'arangosearch');
      var p = v.properties().links;
      assertTrue(p.hasOwnProperty('UnitTestsRecoveryDummy'));
      assertTrue(p.UnitTestsRecoveryDummy.includeAllFields);

      var result = db._query("FOR doc IN UnitTestsRecoveryView SEARCH doc.c >= 0 OPTIONS {waitForSync:true} COLLECT WITH COUNT INTO length RETURN length").toArray();
      var expectedResult = db._query("FOR doc IN UnitTestsRecoveryDummy FILTER doc.c >= 0 COLLECT WITH COUNT INTO length RETURN length").toArray();
      assertEqual(result[0], expectedResult[0]);
    }
  };
}

// //////////////////////////////////////////////////////////////////////////////
// / @brief executes the test suite
// //////////////////////////////////////////////////////////////////////////////

function main (argv) {
  'use strict';
  if (argv[1] === 'setup') {
    runSetup();
    return 0;
  } else {
    jsunity.run(recoverySuite);
    return jsunity.writeDone().status ? 0 : 1;
  }
}
