// 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.

define([
  'api',
  'addons/verifyinstall/constants',
  'addons/verifyinstall/actiontypes'
],

function (FauxtonAPI, Constants, ActionTypes) {

  var VerifyInstallStore = FauxtonAPI.Store.extend({
    initialize: function () {
      this.reset();
    },

    reset: function () {
      this._isVerifying = false;

      // reset all the tests
      this._tests = {};
      _.each(Object.keys(Constants.TESTS), function (key) {
        this._tests[Constants.TESTS[key]] = { complete: false };
      }, this);
    },

    startVerification: function () {
      this._isVerifying = true;
    },

    stopVerification: function () {
      this._isVerifying = false;
    },

    checkIsVerifying: function () {
      return this._isVerifying;
    },

    updateTestStatus: function (test, success) {

      // shouldn't ever occur since we're using constants for the test names
      if (!_.has(this._tests, test)) {
        throw new Error('Invalid test name passed to updateTestStatus()');
      }

      // mark this test as complete, and track whether it was a success or failure
      this._tests[test] = { complete: true, success: success };
    },

    getTestResults: function () {
      return this._tests;
    },

    dispatch: function (action) {
      switch (action.type) {
        case ActionTypes.VERIFY_INSTALL_START:
          this.startVerification();
          this.triggerChange();
        break;

        case ActionTypes.VERIFY_INSTALL_RESET:
          this.reset();
          this.triggerChange();
        break;

        case ActionTypes.VERIFY_INSTALL_SINGLE_TEST_COMPLETE:
          this.updateTestStatus(action.test, action.success);
          this.triggerChange();
        break;

        case ActionTypes.VERIFY_INSTALL_ALL_TESTS_COMPLETE:
          this.stopVerification();
          this.triggerChange();
        break;

        default:
        return;
      }
    }
  });


  var Stores = {};
  Stores.verifyInstallStore = new VerifyInstallStore();
  Stores.verifyInstallStore.dispatchToken = FauxtonAPI.dispatcher.register(Stores.verifyInstallStore.dispatch);


  return Stores;

});