// 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.
import FauxtonAPI from "../api";
import React from "react";
import ReactDOM from "react-dom";
import utils from "../../../test/mocha/testUtils";
import TestUtils from "react-addons-test-utils";
import sinon from "sinon";
var assert = utils.assert,
    restore = utils.restore,
    RouteObject = FauxtonAPI.RouteObject;

describe('RouteObjects', function () {

  describe('renderWith', function () {
    var TestRouteObject, testRouteObject, mockLayout;

    beforeEach(function () {
      TestRouteObject = RouteObject.extend({
        crumbs: ['mycrumbs']
      });

      testRouteObject = new TestRouteObject();
      var apiBar = {};
      apiBar.hide = sinon.spy();

      // Need to find a better way of doing this
      mockLayout = {
        setTemplate: function () {
          var promise = $.Deferred();
          promise.resolve();
          return promise;
        },
        clearBreadcrumbs: sinon.spy(),
        setView: sinon.spy(),
        renderView: sinon.spy(),
        hooks: [],
        apiBar: apiBar
      };

    });

    it('Should set template for first render ', function () {
      var setTemplateSpy = sinon.stub(mockLayout, 'setTemplate'),
      promise = $.Deferred();

      promise.resolve();
      setTemplateSpy.returns(promise);
      testRouteObject.renderWith('the-route', mockLayout, 'args');

      assert.ok(setTemplateSpy.calledOnce);
    });

    it('Should not set template after first render', function () {
      var setTemplateSpy = sinon.stub(mockLayout, 'setTemplate'),
      promise = $.Deferred();

      promise.resolve();
      setTemplateSpy.returns(promise);

      testRouteObject.renderWith('the-route', mockLayout, 'args');
      testRouteObject.renderWith('the-route', mockLayout, 'args');

      assert.ok(setTemplateSpy.calledOnce, 'SetTemplate not meant to be called');
    });

    it('Should call renderReactComponents', function () {
      var renderSpy = sinon.spy(testRouteObject, "renderReactComponents");

      testRouteObject.renderWith('the-route', mockLayout, 'args');
      assert.ok(renderSpy.calledOnce);
    });

    it("Should call establish of routeObject", function () {
      var establishSpy = sinon.spy(testRouteObject, "establish");

      testRouteObject.renderWith('the-route', mockLayout, 'args');
      assert.ok(establishSpy.calledOnce, 'Calls establish');
    });

    it("Should render views", function () {
      var view = new FauxtonAPI.View(),
      getViewsSpy = sinon.stub(testRouteObject, "getViews"),
      viewSpy = sinon.stub(view, "establish");

      view.hasRendered = false;
      view.promise = function () {
        var promise = $.Deferred();
        promise.resolve();
        return promise;
      };
      getViewsSpy.returns({'#view': view});
      mockLayout.renderView = function () { return view;};

      testRouteObject.renderWith('the-route', mockLayout, 'args');
      assert.ok(viewSpy.calledOnce, 'Should render view');
    });

    it("Should not re-render a view", function () {
      var view = new FauxtonAPI.View(),
      getViewsSpy = sinon.stub(testRouteObject, "getViews"),
      viewSpy = sinon.stub(view, "establish");

      view.hasRendered = true;
      getViewsSpy.returns({'#view': view});

      testRouteObject.renderWith('the-route', mockLayout, 'args');
      assert.notOk(viewSpy.calledOnce, 'Should render view');
    });
  });

  describe('React Integration', function () {
    var testRouteObject;

    beforeEach(function () {
      var TestRouteObject = RouteObject.extend({
        crumbs: ['mycrumbs']
      });

      testRouteObject = new TestRouteObject();
      var apiBar = {};
      //apiBar.hide = sinon.spy();

      var mockLayout = {
        setTemplate: function () {
          var promise = $.Deferred();
          promise.resolve();
          return promise;
        },
        clearBreadcrumbs: sinon.spy(),
        setView: sinon.spy(),
        renderView: sinon.spy(),
        hooks: [],
        apiBar: apiBar
      };

    });

    describe('setComponent', function () {

      afterEach(function () {
        restore(testRouteObject.removeComponent);
        restore(testRouteObject.removeView);
      });

      it('removes existing view for selector', function () {
        var fakeReactComponent = React.createElement('div');
        var fakeSelector = '.fake-selector';
        console.log('WOOOOOOO');
        var spy = sinon.spy(testRouteObject, 'removeView');

        testRouteObject.setComponent(fakeSelector, fakeReactComponent);

        assert.ok(spy.calledWith(fakeSelector));
      });

      it('removes existing component for selector', function () {
        var fakeReactComponent = React.createElement('div');
        var fakeSelector = '.fake-selector';
        var spy = sinon.spy(testRouteObject, 'removeComponent');

        testRouteObject.setComponent(fakeSelector, fakeReactComponent);

        assert.ok(spy.calledWith(fakeSelector));
      });

      it('sets component for selector', function () {
        var fakeReactComponent = React.createElement('div');
        var fakeSelector = '.fake-selector';

        testRouteObject.setComponent(fakeSelector, fakeReactComponent);
        assert.deepEqual(fakeReactComponent, testRouteObject.reactComponents[fakeSelector].component);
      });

      it('sets props for the selector', function () {
        var fakeReactComponent = React.createElement('div');
        var fakeSelector = '.fake-selector';

        testRouteObject.setComponent(fakeSelector, fakeReactComponent, {foo: 'bar baromat'});
        assert.deepEqual(fakeReactComponent, testRouteObject.reactComponents[fakeSelector].component);
      });

    });

    describe('removeComponent', function () {

      afterEach(function () {
        restore(ReactDOM.unmountComponentAtNode);
      });

      it('removes existing components via React', function () {
        var spy = sinon.stub(ReactDOM, 'unmountComponentAtNode');
        var fakeSelector = 'remove-selector';

        var container = document.createElement('div');
        var Hmm = React.createClass({displayName: "Hmm",
          render: function () {
            return (
              React.createElement("div", {id: "remove-selector"})
            );
          }
        });

        TestUtils.renderIntoDocument(React.createElement('Hmm'), container);
        testRouteObject.reactComponents[fakeSelector] = React.createElement('div');
        testRouteObject.removeComponent(fakeSelector);

        assert.ok(_.isUndefined(testRouteObject.reactComponents[fakeSelector]));
      });

      it('removes existing components key', function () {
        var spy = sinon.stub(ReactDOM, 'unmountComponentAtNode');
        var fakeSelector = 'remove-selector';
        testRouteObject.reactComponents[fakeSelector] = React.createElement('div');

        testRouteObject.removeComponent(fakeSelector);

        assert.ok(_.isUndefined(testRouteObject.reactComponents[fakeSelector]));

      });

      it('does nothing for non existing component', function () {
        var spy = sinon.spy(ReactDOM, 'unmountComponentAtNode');
        var fakeSelector = 'remove-selector';

        testRouteObject.removeComponent(fakeSelector);

        assert.notOk(spy.calledOnce);

      });

    });
  });

});