//add to table.

function FurtherTierIsOkay(tier, scores, points) {
    var tiers = [
        1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 50,
        100, 500, 1000, 2000, 5000, 10000, 20000, 30000, 50000,
    ];
    if (tier <= 1) {
        return true;
    } else {
        //Find the previous tier.
        var previousTier = -1;
        for (var i = 0; i < tiers.length; i++) {
            if (tiers[i] == tier) {
                previousTier = tiers[i - 1];
            }
        }
        if (previousTier == -1) {
            console.log("Something weird happened....");
            return false; //Something terrible happened.
        } else if (!scores[tier]) {
            return true; //It's okay since no score is submitted yet.
        } else {
            return points < scores[previousTier]; //If it's greater something's wrong...
        }
    }
}

function EndsWithZeroes(str) {
    var zeroCount = 0;
    var string = String(str);
    for (var i = 0; i < string.length; i++) {
        if (string[i] == "0") {
            zeroCount++;
        } else {
            zeroCount = 0;
        }
    }
    return zeroCount >= 2;
}

function ScoreIsSanitary(rank, name, description, points) {
    if (Number(rank) <= 20) {
        return true;
    } else {
        if (
            EndsWithZeroes(name) ||
            EndsWithZeroes(description) ||
            EndsWithZeroes(points)
        ) {
            return false;
        } else {
            return true;
        }
    }
}

function numberWithCommas(x) {
    if (Number.isInteger(x)) {
        var num_parts = x.toString().split(".");
        num_parts[0] = num_parts[0].replace(/\B(?=(\d{3})+(?!\d))/g, ",");
        return num_parts.join(".");
    } else {
        return x;
    }
}


exports.ScoreIsSanitary = ScoreIsSanitary
exports.FurtherTierIsOkay = FurtherTierIsOkay
exports.EndsWithZeroes = EndsWithZeroes