MediaWiki:SmoothiesDebtCalculator.js

(function () {


function parseAmount(value) {

    value = value
        .toLowerCase()
        .replace(/,/g,"")
        .trim();


    if (value.endsWith("b")) {
        return Number(value.slice(0,-1)) * 1000000000;
    }


    if (value.endsWith("m")) {
        return Number(value.slice(0,-1)) * 1000000;
    }


    if (value.endsWith("k")) {
        return Number(value.slice(0,-1)) * 1000;
    }


    return Number(value) || 0;

}



function calculateDebt() {


    let pkp =
        parseAmount(
            document.getElementById("pkp-amount").value
        );


    let dp =
        parseAmount(
            document.getElementById("dp-price").value
        )
        *
        parseAmount(
            document.getElementById("dp-amount").value
        );


    let credits =
        parseAmount(
            document.getElementById("credits-price").value
        )
        *
        parseAmount(
            document.getElementById("credits-amount").value
        );


    let total = pkp + dp + credits;


    document.getElementById("total").innerHTML =
        Math.floor(total).toLocaleString() + " PKP";

}




function createCalculator(){


    let pkp = document.getElementById("pkp-inputs");
    let dp = document.getElementById("dp-inputs");
    let credits = document.getElementById("credits-inputs");


    if(!pkp || !dp || !credits) {
        return;
    }



    pkp.innerHTML = `

    <label>Amount</label>
    <input id="pkp-amount" value="0">

    `;



    dp.innerHTML = `

    <label>Trade Price (PKP)</label>
    <input id="dp-price" value="0">

    <label>Amount</label>
    <input id="dp-amount" value="0">

    `;



    credits.innerHTML = `

    <label>Trade Price (PKP)</label>
    <input id="credits-price" value="0">

    <label>Amount</label>
    <input id="credits-amount" value="0">

    `;



    document
    .querySelectorAll(".debt-item input")
    .forEach(function(input){

        input.addEventListener(
            "input",
            calculateDebt
        );

    });


}



mw.hook("wikipage.content").add(function(){

    createCalculator();

});


})();