import { BasePluginType, plugin, PluginBlueprint } from "knub";
import * as t from "io-ts";
import { getPluginConfigPreprocessor } from "../pluginUtils";
import { TMarkdown } from "../types";

export interface ZeppelinPluginBlueprint<TPluginType extends BasePluginType = BasePluginType>
  extends PluginBlueprint<TPluginType> {
  configSchema?: t.TypeC<any>;
  showInDocs?: boolean;

  info?: {
    prettyName: string;
    description?: TMarkdown;
    usageGuide?: TMarkdown;
    configurationGuide?: TMarkdown;
  };
}

export function zeppelinPlugin<TPartialBlueprint extends Omit<ZeppelinPluginBlueprint, "name">>(
  name: string,
  blueprint: TPartialBlueprint,
): TPartialBlueprint & { name: string };

export function zeppelinPlugin<TPluginType extends BasePluginType>(): <
  TPartialBlueprint extends Omit<ZeppelinPluginBlueprint<TPluginType>, "name">
>(
  name: string,
  blueprint: TPartialBlueprint,
) => TPartialBlueprint & { name: string };

export function zeppelinPlugin(...args) {
  if (args.length) {
    const blueprint: ZeppelinPluginBlueprint = plugin(...(args as Parameters<typeof plugin>));
    blueprint.configPreprocessor = getPluginConfigPreprocessor(blueprint);
    return blueprint;
  } else {
    return zeppelinPlugin;
  }
}