// LICENSE : MIT
"use strict";
const binarysearch = require("binarysearch");

export function findIndexesBetween(times: any, beginDate: Date, endDate: Date) {
    var beginTime = beginDate.getTime();
    var endTime = endDate.getTime();
    return binarysearch.range(times, beginTime, endTime);
}

export function findIndexBiggerTime(array: any[], time: number) {
    var currentIndex = 0;
    for (var i = currentIndex; i < array.length; i++) {
        var comparedTime = array[i];
        if (time >= comparedTime) {
            currentIndex = i;
        } else {
            // timeより大きいものが出てきたら直前のものを返す
            return currentIndex;
        }
    }
    return -1;
}

export function findIndexLessTime(array: any[], time: number) {
    var currentIndex = array.length - 1;
    for (var i = currentIndex; i >= 0; i--) {
        var comparedTime = array[i];
        if (time < comparedTime) {
            currentIndex = i;
        } else {
            // timeよりも小さいものが出てきたら直前のものを返す
            return currentIndex;
        }
    }
    return -1;
}