import { shallowMount } from "@vue/test-utils";
import vinLookup from "./vin-lookup.vue";
import { getMountOptions } from "@/helpers/unit-test-helper.js";
import { navigationScenarios } from "@/router/router-constants/navigation-scenarios.js";

import store from "@/store";

jest.mock("@/store", () => ({
    commit: jest.fn(),
    dispatch: jest.fn(),
    getters: {
        vehicle: {
            year: 2019,
            carId: 'initial carId'
        },
        order: {
            serviceLocation: {
                zipCode: "45253"
            },
            customer: {
                emailAddress: "builddigitaltest@safelite.com"
            }
        },
        payment: {
            insuranceCoverage: {
                isVerified: true
            }
        },
        damage: {
            glassToReplace: "windshield"
        }
    },
}));

import { getDamageString, getIsWindshieldOnly, isGlassAvailableForCarId } from "@/helpers/damage-helper";

jest.mock("@/helpers/damage-helper", () => ({
    isGlassAvailableForCarId: jest.fn(() => {
        return Promise.resolve();
    }),
    getIsWindshieldOnly: jest.fn(),
    getDamageString: jest.fn(),
}));


describe("vin-lookup.vue", () => {
    it("Should update the funnel-footer forward button when VIN is changed", (done) => {
        //Arrange
        const { wrapper } = setupMocks({});
        //Act
        wrapper.setData({ vin: "newValue" });
        //Assert
        wrapper.vm.$nextTick(() => {
            expect(wrapper.vm.$refs.funnelFooter.updateButtonText).toBeCalled();
            done();
        });

    });

    it("Should call navigateForward() if the store carId matches the vin response carId and forward button is clicked", async () => {
        // Arrange
        const { wrapper } = setupMocks({});
        wrapper.vm.navigateForward = jest.fn();

        // Act 
        await wrapper.vm.forwardButtonAction();

        //Assert
        expect(wrapper.vm.navigateForward).toHaveBeenCalled();
    });

    it("Should do a VIN lookup if the user has clicked on the VIN field and entered a new VIN or changed a previously matched VIN.", async () => {
        // Arrange
        const { wrapper } = setupMocks({});
        wrapper.vm.vinTouched = true;
        wrapper.vm.vin = "foo";
        wrapper.vm.initialVin = "!foo";

        wrapper.vm.navigateForward = jest.fn();
        const vehicleLookupApiResponse = {
            data: {
                carId: 'new carId' // does not match the store value
            }
        };
        const vinPromise = Promise.resolve(vehicleLookupApiResponse);

        wrapper.vm.lookupVehicle = jest.fn().mockImplementation(() => vinPromise);

        // Act 
        await wrapper.vm.forwardButtonAction();

        //Assert
        expect(wrapper.vm.lookupVehicle).toHaveBeenCalled();
    });

    it("Should not call navigateForward() if the store carId does not match the vin response carId and forward button is clicked", async () => {
        // Arrange
        const { wrapper } = setupMocks({});
        // New lookup
        wrapper.vm.vinTouched = true; 
        wrapper.vm.vin = "";
        wrapper.vm.initialVin = "foo";

        const vehicleLookupApiResponse = {
            data: {
                carId: 'new carId' // does not match the store value
            }
        };
        const vinPromise = Promise.resolve(vehicleLookupApiResponse);

        wrapper.vm.lookupVehicle = jest.fn().mockImplementation(() => vinPromise);

        wrapper.vm.navigateForward = jest.fn();

        // Act 
        await wrapper.vm.forwardButtonAction();

        //Assert
        expect(wrapper.vm.navigateForward).not.toHaveBeenCalled();
    });

    it("Should call navigateForward() if the store carId does not match the vin response carId but does match previously enterted carId and forward button is clicked", async () => {
        // Arrange
        const { wrapper } = setupMocks({});
        const vehicleLookupApiResponse = {
            data: {
                carId: 'new carId' // does not match the store value
            }
        };
        const vinPromise = Promise.resolve(vehicleLookupApiResponse);

        wrapper.vm.lookupVehicle = jest.fn().mockImplementation(() => vinPromise);
        wrapper.vm.navigateForward = jest.fn();

        wrapper.vm.previouslyEnteredCarId = 'new carId';

        // Act 
        await wrapper.vm.forwardButtonAction();

        //Assert
        expect(wrapper.vm.navigateForward).toHaveBeenCalled();
    });

    it("Should not call navigateForward() if zip service returns a non-serviceable flag", async () => {
        // Arrange
        const { wrapper } = setupMocks({});
        const zipValidationApiResponse = {
            data: {
                isServiceable: false
            }
        };

        const zipPromise = Promise.resolve(zipValidationApiResponse);

        wrapper.vm.validateZip = jest.fn().mockImplementation(() => zipPromise);
        wrapper.vm.setupUiForNonServiceableZip = jest.fn();
        wrapper.vm.navigateForward = jest.fn();

        wrapper.vm.previouslyEnteredCarId = 'new carId';

        // Act 
        await wrapper.vm.forwardButtonAction();

        //Assert
        expect(wrapper.vm.navigateForward).not.toHaveBeenCalled();
    });

    it("Should not call navigateForward() when forward button is clicked but lookupVehicle errors out.", async () => {
        // Arrange
        const { wrapper } = setupMocks({});
        wrapper.vm.vinTouched = true;
        wrapper.vm.vin = "foo";
        wrapper.vm.initialVin = "!foo";

        const vehicleLookupApiResponse = {
            status: {
                carId: 'new carId' // does not match the store value
            }
        };
        const vinPromise = Promise.reject(vehicleLookupApiResponse);

        const response = { 
            status: 404 
        };
        wrapper.vm.lookupVehicle = jest.fn().mockImplementation((response) => vinPromise);
        wrapper.vm.navigateForward = jest.fn();

        wrapper.vm.previouslyEnteredCarId = 'new carId';

        // Act 
        await wrapper.vm.forwardButtonAction();

        //Assert
        expect(wrapper.vm.navigateForward).not.toHaveBeenCalled();
    });

    describe("navigateForward", () => {
        test("carId is different from returned vehicle and selected glass isn't available => continue with different glass", async () => {
            // Arrange
            const { wrapper } = setupMocks({
                customMountOptions: {
                    router: {
                        navigateAfterSave: jest.fn()
                    }
                }
            });
            wrapper.vm.navigateForwardWithSingleCarMatch = jest.fn();
            wrapper.setData({
                isCarIdDifferent: true,
                isSelectedGlassAvailableForVehicle: false
            });

            // Act
            await wrapper.vm.navigateForward();

            //Assert
            expect(wrapper.vm.$router.navigateAfterSave).toBeCalledTimes(1);
            expect(wrapper.vm.$router.navigateAfterSave).toHaveBeenCalledWith(navigationScenarios.SELECTED_VIN_HAS_MISMATCHED_GLASS, wrapper.vm.$route, expect.anything(), expect.anything(), expect.anything());
        })

        test("carId matches => navigateForwardWithSingleCarMatch", async () => {
            // Arrange
            const { wrapper } = setupMocks({});
            wrapper.vm.navigateForwardWithSingleCarMatch = jest.fn();
            wrapper.setData({
                isCarIdDifferent: false,
            });

            // Act
            await wrapper.vm.navigateForward();

            //Assert
            expect(wrapper.vm.navigateForwardWithSingleCarMatch).toBeCalledTimes(1);
        })

        test("selected glass is available for returned vehicle => navigateForwardWithSingleCarMatch", async () => {
            // Arrange
            const { wrapper } = setupMocks({});
            wrapper.vm.navigateForwardWithSingleCarMatch = jest.fn();
            wrapper.setData({
                isSelectedGlassAvailableForVehicle: true,
            });

            // Act
            await wrapper.vm.navigateForward();

            //Assert
            expect(wrapper.vm.navigateForwardWithSingleCarMatch).toBeCalledTimes(1);
        })
    })
});


function setupMocks({ customMountOptions }) {
    const mountOptions = getMountOptions({
        ...customMountOptions
    });

    // Modify/augment default mount options
    mountOptions.global.mocks["$store"] = store;
    mountOptions.global.mixins = [mockMixin];
    mountOptions['attachTo'] = document.body; // append wrapper to document.body to test DOM methods

    const wrapper = shallowMount(vinLookup, mountOptions);
    mockOutPromises(wrapper);
    mockOutStubFunctions(wrapper);
    return { wrapper };
}

function mockOutPromises(wrapper) {
    const zipValidationApiResponse = {
        data: {
            isServiceable: true
        }
    };
    const vehicleLookupApiResponse = {
        data: {
            carId: 'initial carId'
        }
    };

    const zipPromise = Promise.resolve(zipValidationApiResponse);
    const vinPromise = Promise.resolve(vehicleLookupApiResponse);

    wrapper.vm.validateZip = jest.fn().mockImplementation(() => zipPromise);
    wrapper.vm.lookupVehicle = jest.fn().mockImplementation(() => vinPromise);
}

function mockOutStubFunctions(wrapper) {
    wrapper.vm.$refs.funnelFooter.updateButtonText = jest.fn();
    wrapper.vm.$refs.funnelFooter.removeLoader = jest.fn();
}

const mockMixin = {
    methods: {
        getCmsContent: jest.fn(() => "placeholder CMS content"),
    }
}