/*
 * @project: TERA
 * @version: Development (beta)
 * @license: MIT (not for evil)
 * @copyright: Yuriy Ivanov (Vtools) 2017-2019 [progr76@gmail.com]
 * Web: https://terafoundation.org
 * Twitter: https://twitter.com/terafoundation
 * Telegram:  https://t.me/terafoundation
*/


function DoRest(RestData, Data, BlockNum) {
    var Prev = RestData.Arr[0];
    var BlockNum0 = Math.floor(BlockNum / global.REST_BLOCK_SCALE);
    if (BlockNum0 !== Math.floor((Prev.BlockNum - 1) / global.REST_BLOCK_SCALE)) {
        var arr = GetRestArr(BlockNum0);
        var arr2 = [];
        for (var i = arr.length - 2; i >= 0; i--) {
            arr2.push(arr[i] * global.REST_BLOCK_SCALE);
        }
        RestPush(RestData, arr2, BlockNum, 1);
    }
    RestData.Arr[0] = { BlockNum: BlockNum, Value: Data.Value };
};

function RestPush(RestData, ArrRest, BlockNum, Index) {
    var Prev = RestData.Arr[Index - 1];
    var Cur = RestData.Arr[Index];
    if (Index > 1) {
        var RestNum = ArrRest[Index - 2];
        if (Prev.BlockNum > RestNum)
            return;
    }
    if ((Cur.BlockNum && Cur.BlockNum >= BlockNum) || Prev.BlockNum >= BlockNum) {
        Cur.BlockNum = 0;
        Cur.Value = {};
        return;
    }
    if (Cur.BlockNum) {
        if (Index < RestData.Arr.length - 1) {
            RestPush(RestData, ArrRest, BlockNum, Index + 1);
        }
    }
    RestData.Arr[Index] = Prev;
};

function GetRestArr(CurBlockNum) {
    var Arr = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
    var ArrLength = Arr.length;
    var StartNum = 0;
    for (var num = StartNum; num <= CurBlockNum; num++) {
        var maska = 0;
        var CurNum = num;
        for (var i = ArrLength - 1; i >= 0; i--) {
            var PosNum = Arr[i];
            Arr[i] = CurNum;
            CurNum = PosNum;
            maska = (maska << 4) | 15;
            if ((maska & num) === 0)
                break;
            if ((maska & CurNum) !== 0)
                break;
        }
    }
    return Arr;
};
var RestArrMap = {};

function GetCurrentRestArr() {
    var BlockNum = global.GetCurrentBlockNumByTime();
    var BlockNum0 = Math.floor(BlockNum / global.REST_BLOCK_SCALE);
    var arr = RestArrMap[BlockNum0];
    if (arr === undefined) {
        RestArrMap = {};
        arr = GetRestArr(BlockNum0);
        arr.length = arr.length - 1;
        for (var i = 0; i < arr.length; i++) {
            arr[i] = arr[i] * global.REST_BLOCK_SCALE;
        }
        RestArrMap[BlockNum0] = arr;
    }
    return arr;
};

function GetCurrentRestNum(NumDelta) {
    var BlockNum = global.GetCurrentBlockNumByTime();
    var BlockNumMin = BlockNum - NumDelta;
    var arr = GetCurrentRestArr();
    for (var i = arr.length - 1; i >= 0; i--) {
        if (arr[i] <= BlockNumMin) {
            return arr[i];
        }
    }
    return 0;
};
global.DoRest = DoRest;
global.GetRestArr = GetRestArr;
global.GetCurrentRestArr = GetCurrentRestArr;
global.GetCurrentRestNum = GetCurrentRestNum;