/**
 * Copyright (c) OpenLens Authors. All rights reserved.
 * Licensed under MIT License. See LICENSE in root directory for more information.
 */
import type { RenderResult } from "@testing-library/react";
import { act } from "@testing-library/react";
import type { ApplicationBuilder } from "../../../renderer/components/test-utils/get-application-builder";
import { getApplicationBuilder } from "../../../renderer/components/test-utils/get-application-builder";
import type { AsyncFnMock } from "@async-fn/jest";
import asyncFn from "@async-fn/jest";
import type { CallForResource } from "../../../renderer/components/dock/edit-resource/edit-resource-model/call-for-resource/call-for-resource.injectable";
import callForResourceInjectable from "../../../renderer/components/dock/edit-resource/edit-resource-model/call-for-resource/call-for-resource.injectable";
import directoryForLensLocalStorageInjectable from "../../../common/directory-for-lens-local-storage/directory-for-lens-local-storage.injectable";
import hostedClusterIdInjectable from "../../../renderer/cluster-frame-context/hosted-cluster-id.injectable";
import { controlWhenStoragesAreReady } from "../../../renderer/utils/create-storage/storages-are-ready";
import writeJsonFileInjectable from "../../../common/fs/write-json-file.injectable";
import { TabKind } from "../../../renderer/components/dock/dock/store";
import { Namespace } from "../../../common/k8s-api/endpoints";

describe("cluster/namespaces - edit namespaces from previously opened tab", () => {
  let builder: ApplicationBuilder;
  let callForNamespaceMock: AsyncFnMock<CallForResource>;
  let storagesAreReady: () => Promise<void>;

  beforeEach(() => {
    builder = getApplicationBuilder();

    builder.setEnvironmentToClusterFrame();

    callForNamespaceMock = asyncFn();

    builder.beforeWindowStart((windowDi) => {
      windowDi.override(
        directoryForLensLocalStorageInjectable,
        () => "/some-directory-for-lens-local-storage",
      );

      windowDi.override(hostedClusterIdInjectable, () => "some-cluster-id");

      storagesAreReady = controlWhenStoragesAreReady(windowDi);

      windowDi.override(callForResourceInjectable, () => callForNamespaceMock);
    });

    builder.allowKubeResource("namespaces");
  });

  describe("given tab was previously opened, when application is started", () => {
    let rendered: RenderResult;

    beforeEach(async () => {
      builder.beforeWindowStart(async (windowDi) => {
        const writeJsonFile = windowDi.inject(writeJsonFileInjectable);

        await writeJsonFile(
          "/some-directory-for-lens-local-storage/some-cluster-id.json",
          {
            dock: {
              height: 300,
              tabs: [
                {
                  id: "some-first-tab-id",
                  kind: TabKind.EDIT_RESOURCE,
                  title: "Namespace: some-namespace",
                  pinned: false,
                },
              ],

              isOpen: true,
            },

            edit_resource_store: {
              "some-first-tab-id": {
                resource: "/apis/some-api-version/namespaces/some-uid",
                draft: "some-saved-configuration",
              },
            },
          },
        );
      });

      rendered = await builder.render();

      await storagesAreReady();
    });

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

    it("shows dock tab for editing namespace", () => {
      expect(
        rendered.getByTestId("dock-tab-for-some-first-tab-id"),
      ).toBeInTheDocument();
    });

    it("shows spinner in the dock tab", () => {
      expect(
        rendered.getByTestId("edit-resource-tab-spinner"),
      ).toBeInTheDocument();
    });

    it("calls for namespace", () => {
      expect(callForNamespaceMock).toHaveBeenCalledWith(
        "/apis/some-api-version/namespaces/some-uid",
      );
    });

    describe("when call for namespace resolves with namespace", () => {
      let someNamespace: Namespace;

      beforeEach(async () => {
        someNamespace = new Namespace({
          apiVersion: "some-api-version",
          kind: "Namespace",

          metadata: {
            uid: "some-uid",
            name: "some-name",
            resourceVersion: "some-resource-version",
            selfLink: "/apis/some-api-version/namespaces/some-uid",
            somePropertyToBeRemoved: "some-value",
            somePropertyToBeChanged: "some-old-value",
          },
        });

        // TODO: Figure out why act is needed here. In CI it works without it.
        await act(async () => {
          await callForNamespaceMock.resolve({
            callWasSuccessful: true,
            response: someNamespace,
          });
        });
      });

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

      it("has the saved configuration in editor", () => {
        const input = rendered.getByTestId(
          "monaco-editor-for-some-first-tab-id",
        ) as HTMLTextAreaElement;

        expect(input.value).toBe("some-saved-configuration");
      });
    });
  });
});