import { ProductAPI } from '../datasources/product-api';
import {
  Product,
  ProductListResult,
  ProductsFilterInput,
} from '../types/product-types';
import { CategoryAPI } from '../datasources/category-api';
import { Category } from '../types/category-types';
import { KeywordAPI } from '../datasources/keyword-api';
import { Keyword } from '../types/keyword-types';
import { MarketLocaleAPI } from '../datasources/market-locale-api';
import { InteriorAPI } from '../datasources/interior-api';
import { InteriorsLambdaAPI } from '../datasources/interiors-lambda-api';

const ProductBlacklist = {
  async market(parent, _args, { dataSources }) {
    return (<MarketLocaleAPI>dataSources.marketLocaleApi).getMarketById(
      parent.marketId,
    );
  },
};

const Product = {
  // (parent, args, ctx, info)
  async categories({ id }, _args, { dataSources }): Promise<Array<Category>> {
    return (<CategoryAPI>dataSources.categoryApi).getProductCategories(id);
  },
  async designer({ designerId }, _args, { dataSources }) {
    if (!designerId) {
      return null;
    }
    return dataSources.designerApi.getDesignerById(designerId);
  },
  async keywords({ id }, _args, { dataSources }): Promise<Array<Keyword>> {
    return (<KeywordAPI>dataSources.keywordApi).getProductKeywords(id);
  },
  async related({ id }, _args, { dataSources }) {
    return (<ProductAPI>dataSources.productApi).getRelatedProducts(id);
  },
};

const PrintProduct = {
  async interiors({ id }, _args, { dataSources }) {
    return (<InteriorAPI>dataSources.interiorApi).getPrintProductInteriors(id);
  },
};

async function getProductsResult(
  _,
  input: ProductsFilterInput,
  { dataSources },
): Promise<ProductListResult> {
  const total = (<ProductAPI>dataSources.productApi).getProductsTotal(input);
  const items = (<ProductAPI>dataSources.productApi).getProducts(input);

  return {
    pagination: {
      limit: input.pagination.limit,
      offset: 0, // TODO: this will be implemented later if the client app needs it
      total: total,
    },
    items: items,
  };
}

async function getProduct(_, { id }, { dataSources }): Promise<Product> {
  return (<ProductAPI>dataSources.productApi).getProduct(id);
}

export const productTypeDefs = {
  ProductBlacklist,
  Product,
  PrintProduct,
};

export const productQueryTypeDefs = {
  products: getProductsResult,
  product: getProduct,
};

///////////////////
// Mutations below
export const productMutationTypeDefs = {
  async productInfo(_, { productId, info }, { dataSources }) {
    await (<ProductAPI>dataSources.productApi).updateProductInfo(
      productId,
      info,
    );
    return (<ProductAPI>dataSources.productApi).getProduct(productId);
  },
  async productFocusPoint(
    _,
    { productId, focusXpoint2, focusYpoint2 },
    { dataSources },
  ) {
    await (<ProductAPI>dataSources.productApi).updateFocusPoint(
      productId,
      focusXpoint2,
      focusYpoint2,
    );
    return (<ProductAPI>dataSources.productApi).getProduct(productId);
  },
  async productBlacklisting(_, { productId, markets }, { dataSources }) {
    await (<ProductAPI>dataSources.productApi).updateBlacklisting(
      productId,
      markets,
    );
    return (<ProductAPI>dataSources.productApi).getProduct(productId);
  },
  async productGroup(_, { productId, groupIds }, { dataSources }) {
    await (<ProductAPI>dataSources.productApi).updateGroups(
      productId,
      groupIds,
    );
    const product = await (<ProductAPI>dataSources.productApi).getProduct(
      productId,
    );
    await (<InteriorsLambdaAPI>(
      dataSources.interiorsLambdaApi
    )).generateNewInteriors(product);
    return product;
  },
  async productKeywords(_, { productId, keywordIds }, { dataSources }) {
    await (<KeywordAPI>dataSources.keywordApi).setProductKeywords(
      productId,
      keywordIds,
    );
    return (<ProductAPI>dataSources.productApi).getProduct(productId);
  },
  async productWallpaperType(
    _,
    { productId, wallpaperTypes },
    { dataSources },
  ) {
    await (<ProductAPI>dataSources.productApi).setWallpaperTypes(
      productId,
      wallpaperTypes,
    );
    return (<ProductAPI>dataSources.productApi).getProduct(productId);
  },
};