'use strict';

// pick {photoLimit} photos evenly distributed photos from a set with {photoTotal} photos, return array of indexes starting at 1
function pluckPhotos(photoTotal, photoLimit) {
    const plucked = [1]
        .concat(
            Array.from({ length: photoLimit - 1 }, (value, index) => Math.round((index + 1) * (photoTotal / (photoLimit - 1)))),
        );

    return Array.from(new Set(plucked)); // remove duplicates, may happen when photo total and photo limit are close
}

module.exports = pluckPhotos;