let scriptEl;
let directBitToken;
let directBitAmount;
let directBitExternalId;

function loadBitCom() {
    if (scriptEl) {
        initDirectBitPayment();
    } else {
        let el = document.createElement('script');
        el.src = 'https://public.bankhapoalim.co.il/bitcom/sdk';
        el.onload = initDirectBitPayment;
        document.head.append(el);
        scriptEl = el;
    }
}

function initDirectBitPayment() {
    ShowProcessingDiv();
    directBitAmount = Number($('#hdnDonationAmount').val()) + Number(addiotionalSum) + Number($('#hdnDonationCoverCcAmount').val());
    fetch('/InitDirectBitPayment', {
        method: 'POST',
        headers: {'Content-Type': 'application/json'},
        body: JSON.stringify({
            govId: _govId,
            amount: directBitAmount,
            email: $("#tbcontactemail").val(),
            pfpId: $("#hdnPfpId").val()
        })
    })
        .then(response => response.json())
        .then(function (data) {
            if (data.isFail) {
                throw new Error('Something went wrong. Please contact our support.');
            }
            directBitToken = data.Token;
            directBitExternalId = data.ExternalPaymentId;
            let paymentData = {
                transactionSerialId: data.TransactionSerialId,
                paymentInitiationId: data.PaymentInitiationId,
                onApproved: checkStateDirectBitPaymentAndGoForward,
                onCancel: markDirectBitPaymentAsDeleted,
                onTimeout: markDirectBitPaymentAsDeleted,
                log: function (data) {
                    if(data.description === 'payment-modal-closed') {
                        HideProcessingDiv(); // to handle the case when open bit and close the popup using the x on the side 
                    }
                    console.log(data);
                }
            };
            pay(paymentData);
        })
        .catch(error => {
            console.log(error);
            HideProcessingDiv();
            alert(error.message);
        });
}

function pay(paymentData) {
    if (BitPayment) {
        BitPayment.pay(paymentData);
    } else {
        alert('Something went wrong. Object BitPayment is undefined.')
    }
}

function checkStateDirectBitPaymentAndGoForward(paymentData) {
    fetch('/CheckStateDirectBitPayment', {
        method: 'POST',
        headers: {'Content-Type': 'application/json'},
        body: JSON.stringify({
            govId: _govId,
            paymentInitiationId: paymentData.allData.orderId,
            token: directBitToken,
            pfpId: $("#hdnPfpId").val()
        })
    })
        .then(response => response.json())
        .then(function (data) {
            console.log(data);
            if (data.isFail) {
                throw new Error('Something went wrong. Please contact our support.');
            }
            $("#hdnDirectBitPaymentInitiationId").val(paymentData.allData.orderId);
            $("#hdnDirectBitToken").val(directBitToken);
            $("#hdnDirectBitExternalId").val(directBitExternalId);
            SubmitPage();
        })
        .catch(error => {
            console.log(error);
            HideProcessingDiv();
            alert(error.message);
        });
}

function markDirectBitPaymentAsDeleted(paymentData) {
    fetch('/MarkDirectBitPaymentAsDeleted', {
        method: 'POST',
        headers: {'Content-Type': 'application/json'},
        body: JSON.stringify({
            govId: _govId,
            paymentInitiationId: paymentData.allData.orderId,
            token: directBitToken,
            pfpId: $("#hdnPfpId").val()
        })
    })
        .then(response => response.json())
        .then(function (data) {
            console.log(data);
            if (data.isFail) {
                throw new Error('Something went wrong. Please contact our support.');
            }
            HideProcessingDiv();
            alert('Payment has been cancelled!');
        })
        .catch(error => {
            console.log(error);
            HideProcessingDiv();
            alert(error.message);
        });
}
function ShowProcessingDiv() {
    $("#preparing").show();
    $("#btnDonateButton").hide();
}

function HideProcessingDiv() {
    $("#preparing").hide();
    $("#btnDonateButton").show();
}

function getPlatform() {
    const userAgent = navigator.userAgent || navigator.vendor;
    
    // Windows Phone must come first because its UA also contains "Android"
    if (/windows phone/i.test(userAgent)) {
        return "Desktop";
    }

    if (/android/i.test(userAgent)) {
        return "Android";
    }

    // iOS detection from: http://stackoverflow.com/a/9039885/177710
    if (/iPad|iPhone|iPod/.test(userAgent) && !window.MSStream) {
        return "iOS";
    }

    return "Desktop";
}

function isPageInIframe() {
    try {
        // Return true if the page is not the topmost window or if window.parent is the same as window.self, we are not in an iframe
        return window.self !== window.top || window.parent !== window.self;
    } catch (e) {
        // If access to window.top is denied due to cross-origin policy,
        // assume the page is inside an iframe.
        return true;
    }
}