import type { Page } from "@appsmith/constants/ReduxActionConstants";
import { ReduxActionTypes } from "@appsmith/constants/ReduxActionConstants";
import { initEditor } from "actions/initActions";
import { setAppMode, updateCurrentPage } from "actions/pageActions";
import { APP_MODE } from "entities/App";
import { useDispatch } from "react-redux";
import type { CanvasWidgetsReduxState } from "reducers/entityReducers/canvasWidgetsReducer";
import { createSelector } from "reselect";
import { getCanvasWidgetsPayload } from "@appsmith/sagas/PageSagas";
import { getCanvasWidgets } from "@appsmith/selectors/entitiesSelector";
import { editorInitializer } from "utils/editor/EditorUtils";
import { extractCurrentDSL } from "utils/WidgetPropsUtils";
import type { AppState } from "@appsmith/reducers";
import type { WidgetEntity } from "@appsmith/entities/DataTree/types";
import urlBuilder from "@appsmith/entities/URLRedirect/URLAssembly";
import type { FlattenedWidgetProps } from "reducers/entityReducers/canvasWidgetsStructureReducer";
import type { DSLWidget } from "WidgetProvider/constants";
import { nestDSL } from "@shared/dsl";

export const useMockDsl = (dsl: any, mode?: APP_MODE) => {
  const dispatch = useDispatch();
  dispatch(setAppMode(mode || APP_MODE.EDIT));
  const mockResp: any = {
    data: {
      id: "page_id",
      pageId: "page_id",
      name: "Page1",
      applicationId: "app_id",
      isDefault: true,
      isHidden: false,
      slug: "page-1",
      layouts: [
        {
          id: "layout_id",
          dsl,
          layoutOnLoadActions: [],
          layoutActions: [],
        },
      ],
      userPermissions: [
        "read:pages",
        "manage:pages",
        "create:pageActions",
        "delete:pages",
      ],
    },
  };
  const canvasWidgetsPayload = getCanvasWidgetsPayload(mockResp);
  dispatch({
    type: ReduxActionTypes.FETCH_PAGE_DSLS_SUCCESS,
    payload: [
      {
        pageId: mockResp.data.id,
        dsl: extractCurrentDSL({ response: mockResp }).dsl,
      },
    ],
  });
  const pages: Page[] = [
    {
      pageName: mockResp.data.name,
      pageId: mockResp.data.id,
      isDefault: mockResp.data.isDefault,
      isHidden: !!mockResp.data.isHidden,
      slug: mockResp.data.slug,
      userPermissions: [
        "read:pages",
        "manage:pages",
        "create:pageActions",
        "delete:pages",
      ],
    },
  ];
  dispatch({
    type: ReduxActionTypes.FETCH_PAGE_LIST_SUCCESS,
    payload: {
      pages,
      applicationId: mockResp.data.applicationId,
    },
  });
  dispatch({
    type: "UPDATE_LAYOUT",
    payload: { widgets: canvasWidgetsPayload.widgets },
  });

  dispatch(updateCurrentPage(mockResp.data.id));
};

export function MockPageDSL({ children, dsl }: any) {
  editorInitializer();
  useMockDsl(dsl);
  return children;
}

export const mockGetCanvasWidgetDsl = createSelector(
  getCanvasWidgets,
  (canvasWidgets: CanvasWidgetsReduxState): DSLWidget => {
    return nestDSL(canvasWidgets);
  },
);

const getChildWidgets = (
  canvasWidgets: CanvasWidgetsReduxState,
  widgetId: string,
) => {
  const parentWidget = canvasWidgets[widgetId];

  if (parentWidget.children) {
    return parentWidget.children.map((childWidgetId) => {
      const childWidget = { ...canvasWidgets[childWidgetId] } as WidgetEntity;

      if (childWidget?.children?.length > 0) {
        childWidget.children = getChildWidgets(canvasWidgets, childWidgetId);
      }

      return childWidget;
    });
  }

  return [];
};

export const mockGetChildWidgets = (state: AppState, widgetId: string) => {
  return getChildWidgets(state.entities.canvasWidgets, widgetId);
};

export const mockGetPagePermissions = () => {
  return ["read:pages", "manage:pages", "create:pageActions", "delete:pages"];
};

export const mockCreateCanvasWidget = (
  canvasWidget: FlattenedWidgetProps,
  // eslint-disable-next-line @typescript-eslint/no-unused-vars
  evaluatedWidget: WidgetEntity,
): any => {
  return { ...canvasWidget };
};

export const mockGetWidgetEvalValues = (
  state: AppState,
  widgetName: string,
) => {
  return Object.values(state.entities.canvasWidgets).find(
    (widget) => widget.widgetName === widgetName,
  ) as WidgetEntity;
};

export const syntheticTestMouseEvent = (
  event: MouseEvent,
  optionsToAdd = {},
) => {
  const options = Object.entries(optionsToAdd);
  options.forEach(([key, value]) => {
    Object.defineProperty(event, key, { get: () => value });
  });
  return event;
};

export function MockApplication({ children }: any) {
  editorInitializer();
  const dispatch = useDispatch();
  dispatch(initEditor({ pageId: "page_id", mode: APP_MODE.EDIT }));
  const mockResp: any = {
    workspaceId: "workspace_id",
    pages: [
      {
        id: "page_id",
        pageId: "page_id",
        name: "Page1",
        isDefault: true,
        slug: "page-1",
        userPermissions: [
          "read:pages",
          "manage:pages",
          "create:pageActions",
          "delete:pages",
        ],
      },
    ],
    id: "app_id",
    isDefault: true,
    name: "appName",
    slug: "app-name",
    applicationVersion: 2,
  };
  urlBuilder.updateURLParams(
    {
      applicationId: mockResp.id,
      applicationSlug: mockResp.slug,
      applicationVersion: mockResp.applicationVersion,
    },
    [
      {
        pageId: mockResp.pages[0].id,
        pageSlug: mockResp.pages[0].slug,
      },
    ],
  );
  dispatch({
    type: ReduxActionTypes.FETCH_APPLICATION_SUCCESS,
    payload: mockResp,
  });
  dispatch({
    type: ReduxActionTypes.FETCH_PAGE_LIST_SUCCESS,
    payload: {
      pages: mockResp.pages,
    },
  });
  dispatch({
    type: ReduxActionTypes.SWITCH_CURRENT_PAGE_ID,
    payload: {
      id: "page_id",
      slug: "page-1",
      permissions: [
        "read:pages",
        "manage:pages",
        "create:pageActions",
        "delete:pages",
      ],
    },
  });
  return children;
}

//got it from @blueprintjs/test-commons to dispatch hotkeys events
export function dispatchTestKeyboardEventWithCode(
  target: EventTarget,
  eventType: string,
  key: string,
  keyCode: number,
  shift = false,
  meta = false,
) {
  const event = document.createEvent("KeyboardEvent");
  (event as any).initKeyboardEvent(
    eventType,
    true,
    true,
    window,
    key,
    0,
    meta,
    false,
    shift,
  );
  Object.defineProperty(event, "key", { get: () => key });
  Object.defineProperty(event, "which", { get: () => keyCode });

  target.dispatchEvent(event);
}