import {shallow} from "enzyme";
import React from "react";
import GeneralSettings from "./GeneralSettings";

function prepareFetchApi(response) {
    const mockJsonPromise = Promise.resolve(response);
    const mockFetchPromise = Promise.resolve({
        json: () => mockJsonPromise,
    });
    return (jest.fn().mockImplementation(() => mockFetchPromise));
}

describe('<GeneralSettings/>', function () {
    it('renders without crashing ', function () {
        const wrapper = shallow(<GeneralSettings/>);
        wrapper.unmount();
    });

    it('test password hide/show switchbutton', function () {
        const wrapper = shallow(<GeneralSettings/>);

        expect(wrapper.find("[data-testid='passwordfield']")).toHaveLength(0);
        wrapper.find("FormCheck").findWhere(it => it.props().label === "Enable Password support").simulate("change");

        expect(wrapper.find("[data-testid='passwordfield']")).toHaveLength(1);
    });

    it('test savesettings', done => {
        const wrapper = shallow(<GeneralSettings/>);

        global.fetch = prepareFetchApi({success: true});

        expect(global.fetch).toBeCalledTimes(0);
        const fakeEvent = {preventDefault: () => console.log('preventDefault')};
        wrapper.find("[data-testid='mainformsettings']").simulate("submit", fakeEvent);
        expect(global.fetch).toBeCalledTimes(1);

        process.nextTick(() => {
            // todo 2020-07-13: test popup of error success here

            global.fetch.mockClear();
            done();
        });
    });

    it('test failing savesettings', done => {
        const wrapper = shallow(<GeneralSettings/>);

        global.fetch = prepareFetchApi({success: false});

        expect(global.fetch).toBeCalledTimes(0);
        const fakeEvent = {preventDefault: () => console.log('preventDefault')};
        wrapper.find("[data-testid='mainformsettings']").simulate("submit", fakeEvent);
        expect(global.fetch).toBeCalledTimes(1);

        process.nextTick(() => {
            // todo 2020-07-13: test error popup here!

            global.fetch.mockClear();
            done();
        });
    });

    it('test videopath change event', function () {
        const wrapper = shallow(<GeneralSettings/>);

        expect(wrapper.state().videopath).not.toBe("test");

        const event = {target: {name: "pollName", value: "test"}};
        wrapper.find("[data-testid='videpathform']").find("FormControl").simulate("change", event);
        expect(wrapper.state().videopath).toBe("test");
    });

    it('test tvshowpath change event', function () {
        const wrapper = shallow(<GeneralSettings/>);

        const event = {target: {name: "pollName", value: "test"}};
        expect(wrapper.state().tvshowpath).not.toBe("test");
        wrapper.find("[data-testid='tvshowpath']").find("FormControl").simulate("change", event);
        expect(wrapper.state().tvshowpath).toBe("test");
    });

    it('test mediacentername-form change event', function () {
        const wrapper = shallow(<GeneralSettings/>);

        const event = {target: {name: "pollName", value: "test"}};
        expect(wrapper.state().mediacentername).not.toBe("test");
        wrapper.find("[data-testid='nameform']").find("FormControl").simulate("change", event);
        expect(wrapper.state().mediacentername).toBe("test");
    });

    it('test password-form change event', function () {
        const wrapper = shallow(<GeneralSettings/>);
        wrapper.setState({passwordsupport: true});

        const event = {target: {name: "pollName", value: "test"}};
        expect(wrapper.state().password).not.toBe("test");
        wrapper.find("[data-testid='passwordfield']").find("FormControl").simulate("change", event);
        expect(wrapper.state().password).toBe("test");
    });
});