// 1) Go to https://play.google.com/store/account/orderhistory
// 2) make sure you are logged in and scroll down and click show more untill you reach your first purchase
// 3) open dev console (f12 for chrome)
// 4) paste code into console and run it

// 5) if it does not work with an error or comes out to 0 and you know there is more than that then
    // 1) open inspect element
    // 2) hover over one of the purchases prices and click on it
    // 3) copy the class name and paste it for the value of purchaseTag (img: https://imgur.com/a/yVuiuh9)
        // Optional: if you want dokkan only then get the tags for both the parrent and img divs along with the url for dokkan
            // parrent tag (img: https://imgur.com/a/EbqE5tw)
            // img tag (img: https://imgur.com/a/xkoO6IA)
            // url src, for this one you will have to copy the src url from the right hand dev console
                // it will look like this (img: https://imgur.com/a/bCiH4Ul)


let purchaseTag = "mshXob";

let checkDokkanOnly = true;
let imageParrentTag = "U6fuTe";
let imageTag = "RqCJic";
let dokkanImgUrl = "https://play-lh.googleusercontent.com/mIzmQg5skIphSPvcd4xGPZ9bPHi7ZymqXKMDL-SpdHOIVWl1kU2X4qq1SJQ8mKYAnjw=s50-rw"

function hasSomeParentTheClass(element, classname) {
    // RqCJic
    if (element.className != null && element.className.split(' ').indexOf(classname)>=0) {
        let elle = element.firstChild
        if (elle.className.split(' ').indexOf(imageTag)>=0) {
            if (elle.firstChild.src == dokkanImgUrl)
                return true
        }
    };
    return element.parentNode && hasSomeParentTheClass(element.parentNode, classname);
}

var totalAmount = 0.0
var elems = document.getElementsByClassName(purchaseTag), i;
for (var i = 0; i < elems.length; ++i) {
    var text = elems[i].innerText
    if (text && (checkDokkanOnly && hasSomeParentTheClass(elems[i], imageParrentTag))) {
        text = text.replace(",",".") // European-style conversion
        text = text.replace(":",".") // Swedish krona conversion
        appPrice = parseFloat(Number(text.replace(/[^0-9\.]+/g,"")))
        if (!isNaN(appPrice)){
            totalAmount = totalAmount + appPrice
        }
    }

}
alert('Total amount spent on apps: ' + totalAmount.toFixed(2))