import { Cart } from './cart.js';
import { CountryTax } from './country_tax.js';
import { Entity } from '../entity.js';
import { Product } from './product.js';
import { RequestOptions } from '../request.js';
import { Variation } from './variation.js';
import { VariationsGroup } from './variations_group.js';
import { DomainTag } from './domain_tag.js';
import { Draft } from './draft.js';

export class CartItem extends Entity {
  protected static resourceName = 'cart_items';
  protected static singularName = 'cartItem';
  protected static pluralName = 'cartItems';

  @CartItem.property({type: Date})
  public archived?: Date | null;

  @CartItem.property()
  public id?: number;

  @CartItem.property()
  public quantity?: number;

  @CartItem.property({type: String})
  public notes?: string | null;

  @CartItem.property()
  public creationDate?: Date;

  @CartItem.property()
  public currency?: string;

  @CartItem.property()
  public subtotalCost?: number;

  @CartItem.property()
  public taxAmount?: number;

  @CartItem.property()
  public totalCost?: number;

  @CartItem.property()
  public product?: Product;

  @CartItem.property()
  public cart?: Cart;

  @CartItem.property({embeddedByDefault: false})
  public taxType?: CountryTax;

  @CartItem.property({arrayType: 'VariationsGroup'})
  public variationsGroups?: VariationsGroup[];

  @CartItem.property({arrayType: 'Variation'})
  public variations?: Variation[];

  @CartItem.property({arrayType: 'DomainTag'})
  public tags?: DomainTag[];

  @CartItem.property({arrayType: 'Draft'})
  public ownDrafts?: Draft[];

  public requiresShipment = () => {
    if (this.product === undefined) {
      throw 'product is undefined, did you forget to embed it?';
    }
    if (this.product.needsShipping === undefined) {
      throw 'needsShipping is undefined, did you forget to embed it?';
    }
    return this.product.needsShipping;
  };

  public calculate = () => {
    const resource = '/cart-item-cost-estimate/';
    const data = this.toFormData({excludeOld: false});
    const fetchOptions: RequestOptions = {method: 'POST', body: data};
    fetchOptions.query = [];
    fetchOptions.query.push(['skip_rights', 'y']);

    return this.merchi.authenticatedFetch(resource, fetchOptions).
      then((data: any) => { this.fromJson(data, {makeDirty: true});
        return this;});
  };
}