describe( 'AngularWizard', function() {
    var $compile, $q, $rootScope, $timeout, WizardHandler;

    beforeEach(module('mgo-angular-wizard'));


    beforeEach(inject(function(_$compile_, _$q_, _$rootScope_, _$timeout_, _WizardHandler_) {
        $compile = _$compile_;
        $q = _$q_;
        $rootScope = _$rootScope_;
        $timeout = _$timeout_;
        WizardHandler = _WizardHandler_;
    }));

    /**
     * Create the generic view with wizard to test
     * @param  {Scope} scope         A scope to bind to
     * @return {[DOM element]}       A DOM element compiled
     */
    function createGenericView(scope) {
        scope.referenceCurrentStep = null;
        var element = angular.element('<wizard on-finish="finishedWizard()" current-step="referenceCurrentStep" ng-init="msg = 14" >'
                + '    <wz-step wz-title="Starting" canenter="enterValidation" description="Step description">'
                + '        <h1>This is the first step</h1>'
                + '        <p>Here you can use whatever you want. You can use other directives, binding, etc.</p>'
                + '        <input type="submit" wz-next value="Continue" />'
                + '    </wz-step>'
                + '    <wz-step wz-title="Dynamic" wz-disabled="{{dynamicStepDisabled == \'Y\'}}">'
                + '        <h1>Dynamic {{dynamicStepDisabled}}</h1>'
                + '        <p>You have continued here!</p>'
                + '        <input type="submit" wz-next value="Go on" />'
                + '    </wz-step>'
                + '    <wz-step wz-title="Continuing" canexit="stepValidation">'
                + '        <h1>Continuing</h1>'
                + '        <p>You have continued here!</p>'
                + '        <input type="submit" wz-next value="Go on" />'
                + '    </wz-step>'
                + '    <wz-step wz-title="More steps" canenter="enterValidation">'
                + '        <p>Even more steps!!</p>'
                + '        <input type="submit" wz-next value="Finish now" />'
                + '    </wz-step>'
                + '</wizard>');
        var elementCompiled = $compile(element)(scope);
        $rootScope.$digest();
        return elementCompiled;
    }

    it("should correctly create the wizard", function() {
        var scope = $rootScope.$new();
        var view = createGenericView(scope);
        expect(WizardHandler).toBeTruthy();
        expect(view.find('section').length).toEqual(4);
        // expect the correct step to be desirable one
        expect(scope.referenceCurrentStep).toEqual('Starting');
    });
    it( "should go to the next step", function() {
        var scope = $rootScope.$new();
        var view = createGenericView(scope);
        expect(scope.referenceCurrentStep).toEqual('Starting');
        WizardHandler.wizard().next();
        $rootScope.$digest();
        expect(scope.referenceCurrentStep).toEqual('Dynamic');
    });
    it( "should render only those steps which are enabled", function() {
        var scope = $rootScope.$new();
        scope.dynamicStepDisabled = 'Y';
        var view = createGenericView(scope);
        expect(scope.referenceCurrentStep).toEqual('Starting');
        WizardHandler.wizard().next();
        $rootScope.$digest();
        expect(scope.referenceCurrentStep).toEqual('Continuing');
    });
    it( "should enable or disable dynamic steps based on conditions", function() {
        var scope = $rootScope.$new();
        var view = createGenericView(scope);
        expect(scope.referenceCurrentStep).toEqual('Starting');
        scope.dynamicStepDisabled = 'Y';
        $rootScope.$digest();
        WizardHandler.wizard().goTo(2);
        $rootScope.$digest();
        expect(scope.referenceCurrentStep).toEqual('More steps');
    });
    it( "should return to a previous step", function() {
        var scope = $rootScope.$new();
        scope.dynamicStepDisabled = 'Y';
        var view = createGenericView(scope);
        expect(scope.referenceCurrentStep).toEqual('Starting');
        WizardHandler.wizard().next();
        $rootScope.$digest();
        expect(scope.referenceCurrentStep).toEqual('Continuing');
        WizardHandler.wizard().previous();
        $rootScope.$digest();
        expect(scope.referenceCurrentStep).toEqual('Starting');
    });
    it( "should go to a step specified by name", function() {
        var scope = $rootScope.$new();
        scope.dynamicStepDisabled = 'Y';
        var view = createGenericView(scope);
        expect(scope.referenceCurrentStep).toEqual('Starting');
        WizardHandler.wizard().goTo('More steps');
        $rootScope.$digest();
        expect(scope.referenceCurrentStep).toEqual('More steps');
    });
    it( "should go to a step specified by index", function() {
        var scope = $rootScope.$new();
        scope.dynamicStepDisabled = 'Y';
        var view = createGenericView(scope);
        expect(scope.referenceCurrentStep).toEqual('Starting');
        WizardHandler.wizard().goTo(2);
        $rootScope.$digest();
        expect(scope.referenceCurrentStep).toEqual('More steps');
    });
    it( "should go to next step becasue callback is truthy", function() {
        var scope = $rootScope.$new();
        scope.dynamicStepDisabled = 'Y';
        var view = createGenericView(scope);
        expect(scope.referenceCurrentStep).toEqual('Starting');
        WizardHandler.wizard().next(function(){
            return true
        });
        $rootScope.$digest();
        expect(scope.referenceCurrentStep).toEqual('Continuing');
    });
    it( "should NOT go to next step because callback is falsey", function() {
        var scope = $rootScope.$new();
        scope.dynamicStepDisabled = 'Y';
        var view = createGenericView(scope);
        expect(scope.referenceCurrentStep).toEqual('Starting');
        WizardHandler.wizard().next(function(){
            return false
        });
        $rootScope.$digest();
        expect(scope.referenceCurrentStep).toEqual('Starting');
    });
    it( "should go to next step because CANEXIT is UNDEFINED", function() {
        var scope = $rootScope.$new();
        scope.dynamicStepDisabled = 'Y';
        var view = createGenericView(scope);
        expect(scope.referenceCurrentStep).toEqual('Starting');
        WizardHandler.wizard().next();
        $rootScope.$digest();
        expect(scope.referenceCurrentStep).toEqual('Continuing');
    });
    it( "should go to next step because CANEXIT is TRUE", function() {
        var scope = $rootScope.$new();
        scope.dynamicStepDisabled = 'Y';
        var view = createGenericView(scope);
        scope.stepValidation = function(){
            return true;
        };
        expect(scope.referenceCurrentStep).toEqual('Starting');
        WizardHandler.wizard().next();
        $rootScope.$digest();
        expect(scope.referenceCurrentStep).toEqual('Continuing');
        WizardHandler.wizard().next();
        $rootScope.$digest();
        expect(scope.referenceCurrentStep).toEqual('More steps');
    });
    it( "should NOT go to next step because CANEXIT is FALSE", function() {
        var scope = $rootScope.$new();
        scope.dynamicStepDisabled = 'Y';
        var view = createGenericView(scope);
        scope.stepValidation = function(){
            return false;
        };
        expect(scope.referenceCurrentStep).toEqual('Starting');
        WizardHandler.wizard().next();
        $rootScope.$digest();
        expect(scope.referenceCurrentStep).toEqual('Continuing');
        WizardHandler.wizard().next();
        $rootScope.$digest();
        expect(scope.referenceCurrentStep).toEqual('Continuing');
    });
    it( "should go to next step because CANENTER is TRUE", function() {
        var scope = $rootScope.$new();
        scope.dynamicStepDisabled = 'Y';
        var view = createGenericView(scope);
        scope.enterValidation = function(){
            return true;
        };
        expect(scope.referenceCurrentStep).toEqual('Starting');
        WizardHandler.wizard().next();
        $rootScope.$digest();
        expect(scope.referenceCurrentStep).toEqual('Continuing');
        WizardHandler.wizard().next();
        $rootScope.$digest();
        expect(scope.referenceCurrentStep).toEqual('More steps');
    });
    it( "should NOT go to next step because CANENTER is FALSE", function() {
        var scope = $rootScope.$new();
        scope.dynamicStepDisabled = 'Y';
        var view = createGenericView(scope);
        scope.enterValidation = function(){
            return false;
        };
        expect(scope.referenceCurrentStep).toEqual('Starting');
        WizardHandler.wizard().next();
        $rootScope.$digest();
        expect(scope.referenceCurrentStep).toEqual('Continuing');
        WizardHandler.wizard().next();
        $rootScope.$digest();
        expect(scope.referenceCurrentStep).toEqual('Continuing');
    });
    it( "should NOT return to a previous step. Although CANEXIT is false and we are heading to a previous state, the can enter validation is false", function() {
        var scope = $rootScope.$new();
        scope.dynamicStepDisabled = 'Y';
        var view = createGenericView(scope);
        scope.stepValidation = function(){
            return false;
        };
        scope.enterValidation = function(){
            return false;
        };
        expect(scope.referenceCurrentStep).toEqual('Starting');
        WizardHandler.wizard().next();
        $rootScope.$digest();
        expect(scope.referenceCurrentStep).toEqual('Continuing');
        WizardHandler.wizard().previous();
        $rootScope.$digest();
        expect(scope.referenceCurrentStep).toEqual('Continuing');
    });
    it( "should return to a previous step even though CANEXIT is false", function() {
        var scope = $rootScope.$new();
        scope.dynamicStepDisabled = 'Y';
        var view = createGenericView(scope);
        scope.stepValidation = function(){
            return false;
        };
        expect(scope.referenceCurrentStep).toEqual('Starting');
        WizardHandler.wizard().next();
        $rootScope.$digest();
        expect(scope.referenceCurrentStep).toEqual('Continuing');
        WizardHandler.wizard().previous();
        $rootScope.$digest();
        expect(scope.referenceCurrentStep).toEqual('Starting');
    });
    it( "should go to the next step because the promise that CANENTER returns resolves to true", function(done) {
        var scope = $rootScope.$new();
        scope.dynamicStepDisabled = 'Y';
        var view = createGenericView(scope);
        scope.enterValidation = function(){
            var deferred = $q.defer();
            $timeout(function () {
                deferred.resolve(true);
                done();
            });
            return deferred.promise;
        };
        expect(scope.referenceCurrentStep).toEqual('Starting');
        WizardHandler.wizard().next();
        $rootScope.$digest();
        expect(scope.referenceCurrentStep).toEqual('Continuing');
        WizardHandler.wizard().next();
        $timeout.flush();
        expect(scope.referenceCurrentStep).toEqual('More steps');
    });
    it( "should go to the next step because CANEXIT is set to true", function() {
        var scope = $rootScope.$new();
        scope.dynamicStepDisabled = 'Y';
        var view = createGenericView(scope);
        scope.exitValidation = true;
        expect(scope.referenceCurrentStep).toEqual('Starting');
        WizardHandler.wizard().next();
        $rootScope.$digest();
        expect(scope.referenceCurrentStep).toEqual('Continuing');
        WizardHandler.wizard().next();
        $rootScope.$digest();
        expect(scope.referenceCurrentStep).toEqual('More steps');
    });
    it( "should finish", function() {
        var scope = $rootScope.$new();
        scope.dynamicStepDisabled = 'Y';
        var flag = false;
        scope.finishedWizard = function() { flag = true; };
        var view = createGenericView(scope);
        expect(scope.referenceCurrentStep).toEqual('Starting');
        WizardHandler.wizard().finish();
        expect(flag).toBeTruthy();
        $rootScope.$digest();
    });
    it( "should go to first step when reset is called", function() {
        var scope = $rootScope.$new();
        scope.dynamicStepDisabled = 'Y';
        var view = createGenericView(scope);
        expect(scope.referenceCurrentStep).toEqual('Starting');
        WizardHandler.wizard().goTo(2);
        $rootScope.$digest();
        expect(scope.referenceCurrentStep).toEqual('More steps');
        WizardHandler.wizard().reset();
        $rootScope.$digest();
        expect(scope.referenceCurrentStep).toEqual('Starting');
    });
    it( "step description should be accessible", function() {
        var scope = $rootScope.$new();
        scope.dynamicStepDisabled = 'Y';
        var view = createGenericView(scope);
        expect(view.isolateScope().steps[0].description).toEqual('Step description');
    });
});