import type { LoaderComponent } from "next/dynamic";
import type { DefaultErrorData } from "@trpc/server/unstable-core-do-not-import";

import type { Session } from "@homarr/auth";
import type { IntegrationKind, WidgetKind } from "@homarr/definitions";
import type { ServerSettings } from "@homarr/server-settings";
import type { SettingsContextProps } from "@homarr/settings";
import type { stringOrTranslation } from "@homarr/translation";
import type { TablerIcon } from "@homarr/ui";

import type { WidgetImports } from ".";
import type { inferOptionsFromCreator, WidgetOptionsRecord } from "./options";

const createWithDynamicImport =
  <TKind extends WidgetKind, TDefinition extends WidgetDefinition>(kind: TKind, definition: TDefinition) =>
  (componentLoader: () => LoaderComponent<WidgetComponentProps<TKind>>) => ({
    definition: {
      ...definition,
      kind,
    },
    kind,
    componentLoader,
  });

export const createWidgetDefinition = <TKind extends WidgetKind, TDefinition extends WidgetDefinition>(
  kind: TKind,
  definition: TDefinition,
) => ({
  withDynamicImport: createWithDynamicImport(kind, definition),
});

export interface WidgetDefinition {
  icon: TablerIcon;
  supportedIntegrations?: IntegrationKind[];
  integrationsRequired?: boolean;
  createOptions: (settings: SettingsContextProps) => WidgetOptionsRecord;
  errors?: Partial<
    Record<
      DefaultErrorData["code"],
      {
        icon: TablerIcon;
        message: stringOrTranslation;
        hideLogsLink?: boolean;
      }
    >
  >;
  /**
   * Callback that returns wheter or not the widget should be available to the user.
   * The widget will not be available in the widget picker and saving with a new one of this kind will not be possible.
   *
   * @param props contain user information
   * @returns restriction type
   */
  restrict?: (props: { user: Session["user"] | null }) => RestrictionLevel;
}

/**
 * none: The widget is fully available to the user.
 * select: The widget is available to the user but not in the widget picker.
 * all: The widget is not available to the user. As replacement a message will be shown at the widgets position.
 */
export type RestrictionLevel = "none" | "select" | "all";

export interface WidgetProps<TKind extends WidgetKind> {
  options: inferOptionsFromCreator<WidgetOptionsRecordOf<TKind>>;
  integrationIds: string[];
  itemId: string | undefined; // undefined when in preview mode
}

export type WidgetComponentProps<TKind extends WidgetKind> = WidgetProps<TKind> & {
  boardId: string | undefined; // undefined when in preview mode
  isEditMode: boolean;
  setOptions: ({ newOptions }: { newOptions: Partial<inferOptionsFromCreator<WidgetOptionsRecordOf<TKind>>> }) => void;
  width: number;
  height: number;
};

export type WidgetOptionsRecordOf<TKind extends WidgetKind> = WidgetImports[TKind]["definition"]["createOptions"];

/**
 * The following type should only include values that can be available for user (including anonymous).
 * Because they need to be provided to the client to for example set certain default values.
 */
export interface WidgetOptionsSettings {
  server: {
    board: Pick<ServerSettings["board"], "enableStatusByDefault" | "forceDisableStatus">;
  };
}