/**
 * @author Martin Karkowski
 * @email m.karkowski@zema.de
 * @create date 2020-11-07 17:24:34
 * @modify date 2021-02-12 10:26:29
 * @desc [description]
 */

import { decorate, injectable } from "inversify";
import { getDispatcher } from "../dispatcher/getDispatcher";
import { nopeDispatcher } from "../dispatcher/nopeDispatcher";
import { InjectableNopeDispatcher } from "../dispatcher/nopeDispatcher.injectable";
import { NopeBaseModule } from "../module/BaseModule";
import { NopeObservable } from "../observables/nopeObservable";
import { InjectableNopeObservable } from "../observables/nopeObservable.injectable";
import {
  COMMUNICATION_LAYER,
  DISPATCHER_INSTANCE,
  DISPATCHER_OPTIONS,
  OBSERVABLE_FACTORY,
  OBSERVABLE_INSTANCE
} from "../symbols/identifiers";
import { INopeDispatcherOptions } from "../types/nope/nopeCommunication.interface";
import { IPackageDescription } from "../types/nope/nopePackage.interface";

decorate(injectable(), nopeDispatcher);
decorate(injectable(), NopeObservable);
decorate(injectable(), NopeBaseModule);

/**
 * Generates the Default Package, containing all relevant elements of the
 * nope-package. Provide the utilized communication layer.
 *
 * @export
 * @param options ommunicationLayer The Layer, which should be used.
 * @return {*}
 */
export function generateNopeBasicPackage(
  options: INopeDispatcherOptions,
  useClass = false
) {
  const TYPES = {
    dispatcher: DISPATCHER_INSTANCE,
    observableFactory: OBSERVABLE_FACTORY,
    observable: OBSERVABLE_INSTANCE,
    communicationLayer: COMMUNICATION_LAYER,
    dispatcherOptions: DISPATCHER_OPTIONS
  };

  const definedPackage: IPackageDescription<typeof TYPES> = {
    activationHandlers: [],
    autostart: {},
    defaultInstances: [],
    nameOfPackage: "nopeBasicPackage",
    providedClasses: [
      {
        description: {
          name: "nopeDispatcher",
          selector: TYPES.dispatcher,
          type: useClass ? InjectableNopeDispatcher : getDispatcher(options),
          options: {
            scope: useClass ? "inSingletonScope" : undefined,
            toConstant: !useClass
          }
        },
        settings: {
          allowInstanceGeneration: false
        }
      },
      {
        description: {
          name: "communicationLayer",
          selector: TYPES.dispatcherOptions,
          type: options,
          options: {
            toConstant: true
          }
        },
        settings: {
          allowInstanceGeneration: false
        }
      },
      {
        description: {
          name: "nopeObservable",
          selector: TYPES.observable,
          factorySelector: TYPES.observableFactory,
          type: InjectableNopeObservable
        },
        settings: {
          allowInstanceGeneration: false
        }
      }
    ],
    providedFunctions: [],
    requiredPackages: [],
    types: TYPES
  };

  return definedPackage;
}