import Page from "../entity/Page";
import PageType from "../enums/PageType";
import EventProductAdapterInterface from "../../EventProduct/adapter/EventProductAdapterInterface";
import EventProduct from "../../EventProduct/entity/EventProduct";
import NoTransformerSupportedException from "../../common/exceptions/NoTransformerSupportedException";
import TagAdapterInterface from "../../Tag/adapter/TagAdapterInterface";
import Tag from "../../Tag/entity/Tag";
import PageFactoryInterface from "./PageFactoryInterface";
import PrivateProductAdapterInterface from "../../PrivateProduct/adapter/PrivateProductAdapterInterface";
import PrivateProduct from "../../PrivateProduct/entity/PrivateProduct";

export default class PageFactory implements PageFactoryInterface {
  private tagAdapter: TagAdapterInterface;
  private eventProductAdapter: EventProductAdapterInterface;
  private privateProductAdapter: PrivateProductAdapterInterface;

  constructor(
    tagAdapter: TagAdapterInterface,
    eventProductAdapter: EventProductAdapterInterface,
    privateProductAdapter: PrivateProductAdapterInterface
  ) {
    this.tagAdapter = tagAdapter;
    this.eventProductAdapter = eventProductAdapter;
    this.privateProductAdapter = privateProductAdapter;
  }

  transformToEntity(json: any): Page {
    switch (json.page_type) {
      case PageType.tag:
        return this.tagAdapter.adapt(json, new Tag());

      case PageType.event:
        return this.eventProductAdapter.adapt(json, new EventProduct());

      case PageType.private:
        return this.privateProductAdapter.adapt(json, new PrivateProduct());
    }

    throw new NoTransformerSupportedException();
  }

  transformToPayload(instance: Page): any {
    switch (true) {
      case instance instanceof Tag:
        return this.tagAdapter.prepare(<Tag>instance);

      case instance instanceof EventProduct:
        return this.eventProductAdapter.prepare(<EventProduct>instance);

      case instance instanceof PrivateProduct:
        return this.privateProductAdapter.prepare(<PrivateProduct>instance);
    }

    throw new NoTransformerSupportedException();
  }
}