import { PaymentOptions, PaymentType, MappedPaymentOptions, SubscriptionTerm } from '../types/subscription';
import { EmptyResultError, ValidationError } from '../errors';

export function mapPaymentOptions(options: PaymentOptions) {
	const charges = options.offer.getAvailableCharges(options.billingCountry, options.option);
	const selectedPaymentTerm = charges.find(charge => charge.subscriptionCode === options.paymentTerm);

	if (!selectedPaymentTerm) {
		throw new EmptyResultError('Charge Not Found in Available Charges', { charges, term: options.paymentTerm });
	}

	if (options.sendConfirmationEmail !== undefined && typeof options.sendConfirmationEmail !== 'boolean'){
		throw new ValidationError('The value of sendConfirmationEmail must be boolean', { sendConfirmationEmail: options.sendConfirmationEmail });
	}

	const subscriptionTerm: SubscriptionTerm = {
		iso8601Duration: selectedPaymentTerm.subscriptionCode,
		termType: options.singleTermSubscription ? 'Termed' : 'Evergreen',
		autoRenewTerm: options.singleTermSubscription ? false : true,
	};

	const mapped: MappedPaymentOptions = {
		paymentType: options.paymentType.toUpperCase(),
		paymentMethodId: options.paymentMethodId,
		paymentGateway: options.paymentGateway,
		price: selectedPaymentTerm.value,
		currencyCode: selectedPaymentTerm.currency,
		subscriptionTerm: subscriptionTerm,
		offerId: options.offer.id,
		closePaymentMethod: options.closePaymentMethod,
		sendConfirmationEmail: typeof options.sendConfirmationEmail === 'boolean'
			? options.sendConfirmationEmail
			: true
	};

	// Add the extra information for PayPal
	if (options.paymentType === PaymentType.PAYPAL) {
		mapped.paypalBAID = options.paypalBAID;
		mapped.paypalEmail = options.paypalEmail;
	}

	// Add the extra information for Apple Pay
	if (options.paymentType === PaymentType.APPLEPAY) {
		const paymentToken = JSON.parse(options.paymentMethodId);
		mapped.paymentToken = paymentToken.paymentData;
		mapped.transactionIdentifier = paymentToken.transactionIdentifier;
		mapped.paymentMethodId = 'apple-pay';
	}

	// Add trial information if the offer is a trial
	if (options.offer.isTrial()) {
		mapped.term = 'trial';
		mapped.trial = {
			price: selectedPaymentTerm.trialValue as string,
			term: selectedPaymentTerm.subscriptionPaymentDue
		};
	}

	// Add delivery start date and fulfilment option
	if (!options.offer.isEpaper() && (options.offer.isPrint() || options.offer.isBundle())) {
		mapped.startDate = options.startDate;
	}

	//some products (ePaper/print) require fulfilment option
	if (options.offer.isEpaper() || options.offer.isPrint() || options.offer.isBundle()) {
		mapped.option = options.option;
	}

	if (options.segmentId) {
		mapped.segmentId = options.segmentId;
	}

	if (options.backdatedStartDate) {
		mapped.backdatedStartDate = options.backdatedStartDate;
	}

	return mapped;
}