import 'reflect-metadata';

import {
    NgrxFormCheckboxComponent,
} from './ngrx-form-checkbox.component';

jest.mock('angular2-uuid', () => ({
    UUID: {
        UUID: jest.fn().mockReturnValue(1),
    },
}));
import { UUID } from 'angular2-uuid';
import { FormControlState } from 'ngrx-forms';

const initNgrxFormCheckboxComponent = () => {
    return new NgrxFormCheckboxComponent();
};

describe('ngOnInit', () => {
    test('Calls UUID.UUID', () => {
        (UUID as any).UUID.mockClear();
        const ngrxFormCheckboxComponent = initNgrxFormCheckboxComponent();

        ngrxFormCheckboxComponent.ngOnInit();

        expect(UUID.UUID).toHaveBeenCalledTimes(1);
    });

    test('Sets inputId to the result of UUID.UUID with a prefix', () => {
        const ngrxFormCheckboxComponent = initNgrxFormCheckboxComponent();

        ngrxFormCheckboxComponent.ngOnInit();

        expect(ngrxFormCheckboxComponent.inputId)
            .toBe('ngrx-form-checkbox-1');
    });
});

describe('hasValue', () => {
    test('Returns true if the formControl value is true', () => {
        const ngrxFormCheckboxComponent = initNgrxFormCheckboxComponent();
        ngrxFormCheckboxComponent.formControl = {
            value: true,
        } as FormControlState<boolean>;

        const result = ngrxFormCheckboxComponent.hasValue;

        expect(result).toBe(true);
    });

    test('Returns false if the formControl value is false', () => {
        const ngrxFormCheckboxComponent = initNgrxFormCheckboxComponent();
        ngrxFormCheckboxComponent.formControl = {
            value: false,
        } as FormControlState<boolean>;

        const result = ngrxFormCheckboxComponent.hasValue;

        expect(result).toBe(false);
    });
});

describe('showInvalid', () => {
    // tslint:disable-next-line
    test('Returns true if showInvalidMessages is true and formControl is invalid', () => {
        const ngrxFormCheckboxComponent = initNgrxFormCheckboxComponent();
        ngrxFormCheckboxComponent.showInvalidMessages = true;
        ngrxFormCheckboxComponent.formControl = {
            isInvalid: true,
        } as FormControlState<boolean>;

        const result = ngrxFormCheckboxComponent.showInvalid;

        expect(result).toBe(true);
    });

    // tslint:disable-next-line
    test('Returns false if showInvalidMessages is true and formControl is not invalid', () => {
        const ngrxFormCheckboxComponent = initNgrxFormCheckboxComponent();
        ngrxFormCheckboxComponent.showInvalidMessages = true;
        ngrxFormCheckboxComponent.formControl = {
            isInvalid: false,
        } as FormControlState<boolean>;

        const result = ngrxFormCheckboxComponent.showInvalid;

        expect(result).toBe(false);
    });

    // tslint:disable-next-line
    test('Returns false if showInvalidMessages is false and formControl is invalid', () => {
        const ngrxFormCheckboxComponent = initNgrxFormCheckboxComponent();
        ngrxFormCheckboxComponent.showInvalidMessages = false;
        ngrxFormCheckboxComponent.formControl = {
            isInvalid: true,
        } as FormControlState<boolean>;

        const result = ngrxFormCheckboxComponent.showInvalid;

        expect(result).toBe(false);
    });
});