/*
 *  Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *  SPDX-License-Identifier: Apache-2.0
 */

import React from "react";
import { render, screen, fireEvent, act } from "@testing-library/react";
import { MemoryRouter } from "react-router-dom";
import BackendService from "../../services/BackendService";
import StorageService from "../../services/StorageService";
import EditFavicon from "../EditFavicon";

jest.mock("../../services/BackendService");
jest.mock("../../services/StorageService");
jest.mock("../../hooks");

beforeEach(() => {
    BackendService.updateSetting = jest.fn();
    StorageService.downloadFavicon = jest.fn();
    window.URL.createObjectURL = jest.fn();
});

test("renders title", async () => {
    render(<EditFavicon />, { wrapper: MemoryRouter });
    expect(await screen.findByRole("heading", { name: "Edit favicon" })).toBeInTheDocument();
});

test("renders page description", async () => {
    const { getByText } = render(<EditFavicon />, { wrapper: MemoryRouter });
    expect(getByText("This favicon will appear in the browser tab.")).toBeInTheDocument();
});

test("renders a file upload input", async () => {
    render(<EditFavicon />, { wrapper: MemoryRouter });
    expect(await screen.findByLabelText("File upload")).toBeInTheDocument();
});

test("renders file upload description constraint", async () => {
    const { getByText } = render(<EditFavicon />, { wrapper: MemoryRouter });
    expect(getByText("Must be a PNG, JPEG, or SVG file")).toBeInTheDocument();
});

test("on submit, it calls updateSetting and upload favicon", async () => {
    const { getByRole, getByLabelText } = render(<EditFavicon />, {
        wrapper: MemoryRouter,
    });

    const submitButton = getByRole("button", { name: "Save" });

    const file = new File(["dummy content"], "filename.png", {
        type: "image/png",
    });
    const uploadFile = getByLabelText("File upload");
    Object.defineProperty(uploadFile, "files", { value: [file] });
    Object.defineProperty(uploadFile, "value", {
        value: file.name,
    });
    fireEvent.change(uploadFile);

    await act(async () => {
        fireEvent.click(submitButton);
    });

    expect(BackendService.updateSetting).toHaveBeenCalled();
    expect(StorageService.uploadFavicon).toHaveBeenCalled();
});