import { globalEvents, globalEventTypes } from "@/constants/events";
import eventBus from "@/helpers/event-bus/event-bus";
import { useMainStore } from '@/store';
import { createTestingPinia } from '@pinia/testing';

const pinia = createTestingPinia();
useMainStore(pinia);

useMainStore().addEventToBus = jest.fn();
useMainStore().removeEventFromBus = jest.fn();
useMainStore().eventBusItem = jest.fn();

describe("event-bus.js", () => {
    let event = {
        isDismissible: true,
        messageCopy: "You can get a quote by starting on this page.",
        messageHeadline: "We're sorry, something went wrong.",
        type: globalEventTypes.Danger,
    };

    afterEach(() => {
        jest.resetAllMocks();
    })

    it("removes items when readandpop is called", () => {
        useMainStore().eventBusItem.mockReturnValueOnce(event);

        const eventValue = eventBus.readAndPopEventFromBus(
            globalEvents.Categories.GLOBAL_ALERT,
            globalEvents.SubCategories.PAGE_NOT_FOUND
        );

        expect(useMainStore().eventBusItem).toBeCalledTimes(1);
        expect(useMainStore().removeEventFromBus).toBeCalledTimes(1);

    });

    it("doesn't try to remove items when readandpop is called and item doesn't exist", () => {

        useMainStore().eventBusItem.mockReturnValueOnce(undefined);

        const eventValue = eventBus.readAndPopEventFromBus(
            globalEvents.Categories.GLOBAL_ALERT,
            globalEvents.SubCategories.PAGE_NOT_FOUND
        );

        expect(useMainStore().eventBusItem).toBeCalledTimes(1);
        expect(useMainStore().removeEventFromBus).toBeCalledTimes(0);

    });

    it("returns event from bus", () => {

        useMainStore().eventBusItem.mockReturnValueOnce(event);

        const eventValue = eventBus.readEventFromBus(
            globalEvents.Categories.GLOBAL_ALERT,
            globalEvents.SubCategories.PAGE_NOT_FOUND
        );

        expect(eventValue).toBe(event);

    });


    it("Reads event from bus, should have event value.", () => {
        // Arrange / Act
        eventBus.addEventToBus(
            globalEvents.Categories.GLOBAL_ALERT,
            globalEvents.SubCategories.PAGE_NOT_FOUND,
            event
        );

        expect(useMainStore().addEventToBus).toHaveBeenCalled();


    });
});