// NG2
import { Validators } from '@angular/forms';

// App
import { NovoFormControl } from './NovoFormControl';

describe('Elements: NovoFormControl', () => {
    let component = new NovoFormControl('1', { validators: [] });
    it('initialize correctly', () => {
        expect(component).toBeDefined();
    });

    describe('Method: hide()', () => {
        it('should set the hidden flag to true.', () => {
            expect(component.hide).toBeDefined();
            component.hide();
            expect(component.hidden).toBe(true);
        });
        it('should set the hidden flag to true and clear the value when the clearValue flag is passed in.', () => {
            expect(component.hide).toBeDefined();
            component.setValue('derp');
            component.hide(true);
            expect(component.hidden).toBe(true);
            expect(component.value).toBeNull();
        });
    });

    describe('Method: show()', () => {
        it('should set the hidden flag to false.', () => {
            component.hide();
            expect(component.show).toBeDefined();
            expect(component.hidden).toBe(true);
            component.show();
            expect(component.hidden).toBe(false);
        });
    });

    describe('Method: setRequired(isRequired)', () => {
        beforeEach(() => {
            spyOn(component, 'setValidators').and.callThrough();
            spyOn(component, 'updateValueAndValidity').and.callThrough();
        });
        it('should add new a validator and update the value and validity if it wasn\'t required before.', () => {
            expect(component.setRequired).toBeDefined();
            component.hasRequiredValidator = false;
            component.setRequired(true);
            expect(component.hasRequiredValidator).toBe(true);
            // TODO: this method never updates the local instance of the validators; potential bug
            // expect(component.validators.length).toBe(1);
            expect(component.setValidators).toHaveBeenCalledWith([Validators.required]);
            expect(component.updateValueAndValidity).toHaveBeenCalled();
        });
        it('should add new a validator and update the value and validity if it wasn\'t required before.', () => {
            expect(component.setRequired).toBeDefined();
            component.hasRequiredValidator = true;
            component.setRequired(false);
            expect(component.hasRequiredValidator).toBe(false);
            expect(component.validators.length).toBe(0);
            expect(component.setValidators).toHaveBeenCalledWith([]);
            expect(component.updateValueAndValidity).toHaveBeenCalled();
        });
    });

    describe('Method: setValue(value, config)', () => {
        beforeEach(() => {
            spyOn(component, 'markAsDirty').and.callThrough();
            spyOn(component, 'markAsTouched').and.callThrough();
        });
        it('should update the value of the control and mark it as dirty and touched.', () => {
            expect(component.setValue).toBeDefined();
            component.setValue('TEST');
            expect(component.markAsDirty).toHaveBeenCalled();
            expect(component.markAsTouched).toHaveBeenCalled();
        });
    });

    describe('Method: setReadOnly(isReadOnly)', () => {
        it('should set readOnly to true when called with true.', () => {
            spyOn(component, 'disable');
            expect(component.setReadOnly).toBeDefined();
            component.setReadOnly(true);
            expect(component.readOnly).toBe(true);
            expect(component.disable).toHaveBeenCalled();
        });

        it('should set readOnly to true when called with false.', () => {
            spyOn(component, 'enable');
            expect(component.setReadOnly).toBeDefined();
            component.setReadOnly(false);
            expect(component.readOnly).toBe(false);
            expect(component.enable).toHaveBeenCalled();
        });
    });

    describe('Method: markAsInvalid(message)', () => {
        beforeEach(() => {
            spyOn(component, 'markAsDirty').and.callThrough();
            spyOn(component, 'markAsTouched').and.callThrough();
            spyOn(component, 'setErrors').and.callThrough();
        });
        it('should mark the control as having an error.', () => {
            expect(component.markAsInvalid).toBeDefined();
            component.markAsInvalid('Derp');
            expect(component.markAsDirty).toHaveBeenCalled();
            expect(component.markAsTouched).toHaveBeenCalled();
            expect(component.setErrors).toHaveBeenCalledWith({ custom: 'Derp' });
        });
    });
});