"use strict";

importScript( "app_cc2_asda:library/c2_asda/webservice/vieworderdetails/libPopulateDTOFromDwareOrder.ds" );
importScript("bc_ecm:library/utility/logging/libLog.ds");
importScript( "app_ecm:util/libDateHelper.ds" );
importScript( "bc_ecm:library/order/libOrderCalculations.ds");



var guard = require('~/cartridge/scripts/guard');
var ISML = require('dw/template/ISML');
var ContentMgr = require('dw/content/ContentMgr');
var ProductLineItem = require('dw/order/ProductLineItem');
var PromotionMgr = require('dw/campaign/PromotionMgr');


function Show() {
    var orderDetailsDTO = getOrderDetailsDTO();
    var vatReceipt = {};

    vatReceipt.billingInformation = getCustomerBillingInformationFromOrderDTO(orderDetailsDTO);
    vatReceipt.productsInformation = getListOfProductsFromOrderDTO(orderDetailsDTO);
    vatReceipt.orderInformation = getOrderInformationFromOrderDTO(orderDetailsDTO);
    vatReceipt.orderPromotions = getOrderPromotions(orderDetailsDTO);

    ISML.renderTemplate('bill_vat_details.isml', {"output" : vatReceipt});
}

function getOrderDetailsDTO() {
    var _logger  = new Log();
    var dwOrder = require('dw/order/OrderMgr').getOrder('00011503_dev293');
    var orderDetailsDTO = new PopulateDTOFromDwareOrderHelper(_logger, dwOrder);
    return orderDetailsDTO.getOrderDetailsDTO();
}

function getCustomerBillingInformationFromOrderDTO(orderDTO) {
    return {
        title: orderDTO._dwareOrder.getBillingAddress().getTitle(),
        fullName: orderDTO._dwareOrder.getBillingAddress().getFullName(),
        address1: orderDTO._dwareOrder.getBillingAddress().getAddress1(),
        address2: orderDTO._dwareOrder.getBillingAddress().getAddress2(),
        city: orderDTO._dwareOrder.getBillingAddress().getCity(),
        county: orderDTO._dwareOrder.getBillingAddress().getStateCode(),
        postalCode: orderDTO._dwareOrder.currentOrder.getBillingAddress().getPostalCode(),
        country: orderDTO._dwareOrder.getBillingAddress().getCountryCode().value
    };
}

function getListOfProductsFromOrderDTO(orderDTO) {
    var listOfProducts = {};
    var plis = orderDTO._dwareOrder.getProductLineItems().iterator();

    while(plis.hasNext()){
        var productLineItem = plis.next();
        listOfProducts[productLineItem.getProductID()] = getProductInformationFromProductLineItem(productLineItem);
    }

    return listOfProducts;
}

function getProductInformationFromProductLineItem(productLineItem) {
    return {
        productID: productLineItem.getProductID(),
        productName: productLineItem.getProductName(),
        quantity: productLineItem.getQuantity().value,
        totalPrice: productLineItem.getProratedPrice().decimalValue.toString(),
        vatPercentage: productLineItem.getTaxRate()*100,
        excludingVatPrice: productLineItem.getAdjustedNetPrice().decimalValue.toString(),
        vatPrice: productLineItem.getAdjustedTax().decimalValue.toString(),
        productPromotion: getProductPromotions(productLineItem)
    }
}

function getOrderInformationFromOrderDTO(orderDTO) {
    var asdaVatContent = ContentMgr.getContent('ACCOUNT_SETTINGS_YOUR_ORDERS_VAT_REGISTRATION_NUMBER').custom.body;
    return {
        orderNumber:orderDTO._dwareOrder.getOrderNo(),
        orderDate: DateHelper.formatDate( new Date(orderDTO._dwareOrder.originalOrder.creationDate), 'dd/MM/YYYY'),
        invoiceDate: DateHelper.formatDate( new Date(), 'dd/MM/YYYY'),
        vatRegistrationNumber: asdaVatContent.toString().replace('The Asda VAT registration number is ', '').replace('.', '')
    }
}

function getOrderPromotions(orderDTO) {
    var orderPromotions = {};
    var orderPromotionsArrayList = new OrderCalculations().getOrderPromotionsText(orderDTO._dwareOrder);

    for(promotion in orderPromotionsArrayList) {
        orderPromotions[orderPromotionsArrayList[promotion]] = {
            "Name": orderPromotionsArrayList[promotion],
            "Discount": new OrderCalculations().getOrderLevelDiscounts(orderDTO._dwareOrder)
        }
    }


    return orderPromotions;
}

function getProductPromotions(productLineItem) {
    var productPromotions = {};
    var productPromotionsArrayList = new OrderCalculations().getLinePromotionsText(productLineItem);
    var productPriceAdjustments = productLineItem.getPriceAdjustments();
    var productAdjustmentsItr = productPriceAdjustments.iterator();

    var totalProductAdjustments = 0;


    while(productAdjustmentsItr.hasNext()) {
        var priceAdjustment = productAdjustmentsItr.next();
        totalProductAdjustments = totalProductAdjustments + priceAdjustment.grossPrice;
    }

    for(promotion in productPromotionsArrayList) {
        productPromotions[productPromotionsArrayList[promotion]] = {
            "Name": productPromotionsArrayList[promotion],
            "Discount": totalProductAdjustments
        }
    }

    return productPromotions;
}
module.exports.Show = guard.ensure(['get'], Show);