describe('Directive validation', () => {
    let scope;
    let element;
    let compile;

    beforeEach(ngModule('vnCore'));

    compile = (_element, validations, value) => {
        inject(($compile, $rootScope, $window) => {
            $window.validations = validations;
            scope = $rootScope.$new();
            scope.user = {name: value};
            element = angular.element(_element);
            $compile(element)(scope);
            scope.$digest();
        });
    };

    it(`should throw an error if the vnValidation doesn't have the right syntax`, () => {
        let html = `<input type="name" ng-model="user.name" vn-validation="user"/>`;

        expect(() => {
            compile(html, {});
        }).toThrow(new Error(`vnValidation: Attribute must have this syntax: [entity].[field]`));
    });

    it('should throw an error if the window.validations aint defined', () => {
        let html = `<input type="name" ng-model="user.name" vn-validation="user.name"/>`;

        expect(() => {
            compile(html, {});
        }).toThrow(new Error(`vnValidation: Entity 'User' doesn't exist`));
    });

    describe('Validator presence()', () => {
        it('should not validate the user name as it is an empty string', () => {
            let html = `<form><input type="name" ng-model="user.name" vn-validation="user.name"/></form>`;
            let validations = {User: {validations: {name: [{validation: 'presence'}]}}};
            compile(html, validations, 'Spiderman');
            scope.user.name = '';
            scope.$digest();

            expect(element[0].classList).toContain('ng-invalid');
            expect(element[0].classList).not.toContain('ng-valid');
        });
    });

    describe('Validator absence()', () => {
        it('should not validate the entity as it should be an empty string', () => {
            let html = `<form><input type="name" ng-model="user.name" vn-validation="user.name"/></form>`;
            let validations = {User: {validations: {name: [{validation: 'absence'}]}}};
            compile(html, validations, 'Spiderman');
            scope.$digest();

            expect(element[0].classList).toContain('ng-invalid');
            expect(element[0].classList).not.toContain('ng-valid');
        });

        it('should validate the entity as it is an empty string', () => {
            let html = `<form><input type="name" ng-model="user.name" vn-validation="user.name"/></form>`;
            let validations = {User: {validations: {name: [{validation: 'absence'}]}}};
            compile(html, validations, '');
            scope.$digest();

            expect(element[0].classList).toContain('ng-valid');
            expect(element[0].classList).not.toContain('ng-invalid');
        });
    });

    describe('Validator length()', () => {
        it('should not validate the user name as it should have min length of 15', () => {
            let html = `<form><input type="name" ng-model="user.name" vn-validation="user.name"/></form>`;
            let validations = {User: {validations: {name: [{validation: 'length', min: 10, max: 50, is: 15}]}}};
            compile(html, validations, 'fifteen!');
            scope.$digest();

            expect(element[0].classList).toContain('ng-invalid');
            expect(element[0].classList).not.toContain('ng-valid');
        });

        it('should validate the user name as it has length of 15', () => {
            let html = `<form><input type="name" ng-model="user.name" vn-validation="user.name"/></form>`;
            let validations = {User: {validations: {name: [{validation: 'length', min: 10, max: 50, is: 15}]}}};
            compile(html, validations, 'fifteen length!');
            scope.$digest();

            expect(element[0].classList).toContain('ng-valid');
            expect(element[0].classList).not.toContain('ng-invalid');
        });

        it('should not validate the user name as it should have min length of 10', () => {
            let html = `<form><input type="name" ng-model="user.name" vn-validation="user.name"/></form>`;
            let validations = {User: {validations: {name: [{validation: 'length', min: 10}]}}};
            compile(html, validations, 'shortname');
            scope.$digest();

            expect(element[0].classList).toContain('ng-invalid');
            expect(element[0].classList).not.toContain('ng-valid');
        });

        it('should validate the user name as its length is greater then the minimum', () => {
            let html = `<form><input type="name" ng-model="user.name" vn-validation="user.name"/></form>`;
            let validations = {User: {validations: {name: [{validation: 'length', min: 10}]}}};
            compile(html, validations, 'verylongname');
            scope.$digest();

            expect(element[0].classList).toContain('ng-valid');
            expect(element[0].classList).not.toContain('ng-invalid');
        });

        it('should not validate the user name as its length is greater then the maximum', () => {
            let html = `<form><input type="name" ng-model="user.name" vn-validation="user.name"/></form>`;
            let validations = {User: {validations: {name: [{validation: 'length', max: 10}]}}};
            compile(html, validations, 'toolongname');
            scope.$digest();

            expect(element[0].classList).toContain('ng-invalid');
            expect(element[0].classList).not.toContain('ng-valid');
        });
    });

    describe('Validator numericality()', () => {
        it('should not validate the phone number as it should a integer', () => {
            let html = `<form><input type="text" ng-model="user.phone" vn-validation="user.phone"/></form>`;
            let validations = {User: {validations: {phone: [{validation: 'numericality', is: 'what is this?'}]}}};
            compile(html, validations, 'spiderman');
            scope.user.phone = 'this is not a phone number!';
            scope.$digest();

            expect(element[0].classList).toContain('ng-invalid');
            expect(element[0].classList).not.toContain('ng-valid');
        });

        it('should validate the phone number as it an integer', () => {
            let html = `<form><input type="text" ng-model="user.phone" vn-validation="user.phone"/></form>`;
            let validations = {User: {validations: {phone: [{validation: 'numericality', is: 'what is this?'}]}}};
            compile(html, validations, 'spiderman');
            scope.user.phone = '555555555';
            scope.$digest();

            expect(element[0].classList).toContain('ng-valid');
            expect(element[0].classList).not.toContain('ng-invalid');
        });
    });

    describe('Validator inclusion()', () => {
        it('should not validate the phone number as it is not an integer', () => {
            let html = `<form><input type="text" ng-model="user.phone" vn-validation="user.phone"/></form>`;
            let validations = {User: {validations: {phone: [{validation: 'inclusion'}]}}};
            compile(html, validations, 'spiderman');
            scope.user.phone = 'this is not a phone number!';
            scope.$digest();

            expect(element[0].classList).toContain('ng-invalid');
            expect(element[0].classList).not.toContain('ng-valid');
        });
    });

    describe('Validator exclusion()', () => {
        it('should validate the phone number as it is an integer', () => {
            let html = `<form><input type="text" ng-model="user.phone" vn-validation="user.phone"/></form>`;
            let validations = {User: {validations: {phone: [{validation: 'exclusion'}]}}};
            compile(html, validations, 'spiderman');
            scope.user.phone = '555555555';
            scope.$digest();

            expect(element[0].classList).toContain('ng-valid');
            expect(element[0].classList).not.toContain('ng-invalid');
        });
    });

    describe('Validator format()', () => {
        it('should not validate the email number as it doesnt contain @', () => {
            let html = `<form><input type="text" ng-model="user.email" vn-validation="user.email"/></form>`;
            let validations = {User: {validations: {email: [{validation: 'format', with: '@'}]}}};
            compile(html, validations, 'spiderman');
            scope.user.email = 'userverdnatura.es';
            scope.$digest();

            expect(element[0].classList).toContain('ng-invalid');
            expect(element[0].classList).not.toContain('ng-valid');
        });
    });
});