import { getAddedCartItems, getVariant, totalValue } from '../../utils/cart';
import { pushDatalayer } from '../../utils/pushDatalayer';

import type { UpsertTrackingCartRequest } from '../../types';
import type { CartResponse } from '../../../Api/types';

export function upsertToCartAction(
  upsertPayload: UpsertTrackingCartRequest,
  cartPayload: CartResponse,
) {
  if (!getAddedCartItems(cartPayload, upsertPayload).length) return;

  if (
    upsertPayload.items.some(item => (item.oldQuantity || 0) > item.quantity!)
  ) {
    pushDatalayer({
      event: 'remove_from_cart',
      ecommerce: {
        currency: 'BRL',
        value: totalValue(cartPayload, upsertPayload),
        items: getAddedCartItems(cartPayload, upsertPayload).map(item => {
          return {
            item_category: '',
            item_list_name: '',
            item_brand: `${item.product.brandId}`,
            item_id: item.product.productId,
            coupon: cartPayload.discountMap.coupon?.discountMainCode || '',
            item_name: item.product.name,
            item_variant: getVariant(item),
            price: item.unitValue,
            quantity: item.oldQuantity! - item.quantity,
          };
        }),
      },
    });

    return;
  }

  pushDatalayer({
    event: 'add_to_cart',
    ecommerce: {
      currency: 'BRL',
      value: totalValue(cartPayload, upsertPayload),
      items: getAddedCartItems(cartPayload, upsertPayload).map(item => {
        return {
          item_category: '',
          item_list_name: '',
          item_brand: `${item.product.brandId}`,
          item_id: item.product.productId,
          coupon: cartPayload.discountMap.coupon?.discountMainCode || '',
          item_name: item.product.name,
          item_variant: getVariant(item),
          price: item.unitValue,
          quantity: item.oldQuantity
            ? item.quantity - item.oldQuantity
            : item.quantity,
        };
      }),
    },
  });
}