import {Amount} from '@turajs/util';
import {Transaction} from '../typings/transaction';
import {getRecipientAmountsFromMultiOutPayment} from './getRecipientAmountsFromMultiOutPayment';
import {isMultiOutTransaction} from './isMultiOutTransaction';
import {isMultiOutSameTransaction} from './isMultiOutSameTransaction';

/**
 * Gets the amount from a transaction, considering ordinary and multi out transactions (with same and different payments)
 * @param recipientId The numeric id of the recipient
 * @param transaction The payment transaction
 * @return the amount value object
 * @module core
 */
export function getRecipientsAmount(recipientId: string, transaction: Transaction): Amount {

    if (isMultiOutTransaction(transaction) || isMultiOutSameTransaction(transaction)) {

        const recipientAmounts = getRecipientAmountsFromMultiOutPayment(transaction);
        return recipientAmounts
            .filter(ra => ra.recipient === recipientId)
            .reduce((amount, ra) => amount.add(Amount.fromPlanck(ra.amountNQT)), Amount.Zero());
    }

    return Amount.fromPlanck(transaction.amountNQT);
}