/**
 * Copyright (c) OpenLens Authors. All rights reserved.
 * Licensed under MIT License. See LICENSE in root directory for more information.
 */
import type { FakeExtensionData, TestExtension } from "../renderer/components/test-utils/get-renderer-extension-fake";
import { getRendererExtensionFakeFor } from "../renderer/components/test-utils/get-renderer-extension-fake";
import React from "react";
import type { RenderResult } from "@testing-library/react";
import { fireEvent } from "@testing-library/react";
import isEmpty from "lodash/isEmpty";
import queryParametersInjectable from "../renderer/routes/query-parameters.injectable";
import currentPathInjectable from "../renderer/routes/current-path.injectable";
import type { IComputedValue } from "mobx";
import { getApplicationBuilder } from "../renderer/components/test-utils/get-application-builder";

describe("navigate to extension page", () => {
  let rendered: RenderResult;
  let testExtension: TestExtension;
  let queryParameters: IComputedValue<object>;
  let currentPath: IComputedValue<string>;

  beforeEach(async () => {
    const applicationBuilder = getApplicationBuilder();
    const getRendererExtensionFake = getRendererExtensionFakeFor(applicationBuilder);

    testExtension = getRendererExtensionFake(
      extensionWithPagesHavingParameters,
    );

    await applicationBuilder.extensions.renderer.enable(testExtension);

    rendered = await applicationBuilder.render();

    const rendererDi = applicationBuilder.dis.rendererDi;

    queryParameters = rendererDi.inject(queryParametersInjectable);
    currentPath = rendererDi.inject(currentPathInjectable);
  });

  it("renders", () => {
    expect(rendered.container).toMatchSnapshot();
  });

  describe("when extension navigates to route without parameters", () => {
    beforeEach(() => {
      testExtension.navigate();
    });

    it("renders", () => {
      expect(rendered.container).toMatchSnapshot();
    });

    it("URL is correct", () => {
      expect(currentPath.get()).toBe("/extension/some-extension-name");
    });

    it("query parameters is empty", () => {
      expect(queryParameters.get()).toEqual({});
    });

    describe("when changing page parameters", () => {
      beforeEach(() => {
        const button = rendered.getByTestId("button-to-change-page-parameters");

        fireEvent.click(button);
      });

      it("renders", () => {
        expect(rendered.container).toMatchSnapshot();
      });

      it("URL is correct", () => {
        expect(currentPath.get()).toBe("/extension/some-extension-name");
      });

      it("knows query parameters", () => {
        expect(queryParameters.get()).toEqual({
          someStringParameter: "some-changed-string-value",
          someNumberParameter: "84",
          someArrayParameter:
            "some-changed-array-value,some-other-changed-array-value",
        });
      });
    });
  });

  describe("when extension navigates to route with parameters", () => {
    beforeEach(() => {
      testExtension.navigate(undefined, {
        someStringParameter: "some-string-value-from-navigate",
        someNumberParameter: 126,
        someArrayParameter: ["some-array-value-from-navigate"],
      });
    });

    it("renders", () => {
      expect(rendered.container).toMatchSnapshot();
    });

    it("URL is correct", () => {
      expect(currentPath.get()).toBe("/extension/some-extension-name");
    });

    it("knows query parameters", () => {
      expect(queryParameters.get()).toEqual({
        someStringParameter: "some-string-value-from-navigate",
        someNumberParameter: "126",
        someArrayParameter: "some-array-value-from-navigate",
      });
    });
  });

  describe("when extension navigates to child route", () => {
    beforeEach(() => {
      testExtension.navigate("some-child-page-id");
    });

    it("renders", () => {
      expect(rendered.container).toMatchSnapshot();
    });

    it("URL is correct", () => {
      expect(currentPath.get()).toBe("/extension/some-extension-name/some-child-page-id");
    });
  });
});

const extensionWithPagesHavingParameters: FakeExtensionData = {
  id: "some-extension-id",
  name: "some-extension-name",
  globalPages: [
    {
      components: {
        Page: ({ params }) => (
          <div>
            <ul>
              <li>{params.someStringParameter.get()}</li>
              <li>{params.someNumberParameter.get()}</li>
              <li>{params.someArrayParameter.get().join(",")}</li>
            </ul>

            <button
              type="button"
              data-testid="button-to-change-page-parameters"
              onClick={() => {
                params.someStringParameter.set("some-changed-string-value");
                params.someNumberParameter.set(84);
                params.someArrayParameter.set([
                  "some-changed-array-value",
                  "some-other-changed-array-value",
                ]);
              }}
            >
              Some button
            </button>
          </div>
        ),
      },

      params: {
        someStringParameter: "some-string-value",
        someNumberParameter: {
          defaultValue: 42,
          stringify: (value) => value.toString(),
          parse: (value) => (value ? Number(value) : undefined),
        },
        someArrayParameter: {
          defaultValue: ["some-array-value", "some-other-array-value"],
          stringify: (value) => value.join(","),
          parse: (value: string[]) => (!isEmpty(value) ? value : undefined),
        },
      },
    },
    {
      id: "some-child-page-id",
      components: {
        Page: () => <div>Child page</div>,
      },
    },
  ],
};