/**
 *
 *
 *
 *
 * */
function* countPropagate(initialNumber, infectedRate, uptoMinute=Number.MAX_SAFE_INTEGER) {
    let minute = 0;
    let f = initialNumber ;
    while(minute <= uptoMinute) {
        yield [minute, Number.parseInt(f.toFixed()), f];
        f = f * infectedRate;
        ++minute;
    }
}

function showInfectedState(state, target) {
    const stateAsString = state.join(" ") + "\n";
    const tmp = target.innerText;
    target.innerText = stateAsString + tmp;
}

function calculate(target) {
    const LAST_MINUTE = 10;
    const initial = Number.parseInt(document.getElementById("init").value);
    const rate = Number.parseFloat(document.getElementById("rate").value);
    const cashOrCrash = countPropagate(initial, rate);

    for( let i = 0; i <= LAST_MINUTE; ++i ) {
        const infectedState = cashOrCrash.next()
        showInfectedState(infectedState.value, target);
    }
    return cashOrCrash;
}

document.addEventListener("DOMContentLoaded", () => {
    const target = document.getElementById("state");
    let cashOrCrash = calculate(target);
    document.getElementById("reset").addEventListener("click", ()=> {
        target.innerText = "";
        cashOrCrash = calculate(target);
    });

    document.getElementById("more").addEventListener("mousedown", () => {
        const nextState = cashOrCrash.next();
        if(nextState.done) {
            console.log("DONE");
        } else  {
            showInfectedState(nextState.value, target);
        }
    });
});