import BigNumber from 'bignumber.js';
import dayjs from 'dayjs';

export const getBlockTime = (
  startBlockNumber: BigNumber,
  startTime: number | Date,
  endBlockNumber: BigNumber,
  endTime: number | Date,
) => {
  const intervalBlock = endBlockNumber.minus(startBlockNumber);
  const intervalSecond = new BigNumber(
    dayjs(endTime).diff(startTime, 'seconds'),
  );
  const blcokTimeSecond = intervalSecond.div(intervalBlock);
  return blcokTimeSecond.times(1000);
};

// console.log(getBlockTime(new BigNumber(553963), new Date('2023-08-03 14:46:39'), new BigNumber(22678498), new Date('2023-11-23 15:15:01')).toNumber())

export const getPreBlock = (
  blockTime: number,
  blockNumber: BigNumber,
  time: number | Date,
) => {
  const blockTimeSecond = new BigNumber(blockTime).div(1000);
  const diffSecond = dayjs(time).diff(dayjs(), 'seconds');
  const diffBlock = new BigNumber(diffSecond).div(blockTimeSecond);
  return diffBlock.plus(blockNumber).decimalPlaces(0, 1);
};

export const getTimeByPreBlock = (
  blockTime: number,
  blockNumber: BigNumber,
  preBlockNumber: string | number | BigNumber,
) => {
  const blockTimeSecond = new BigNumber(blockTime).div(1000);
  const now = dayjs();
  const diffBlock = new BigNumber(preBlockNumber).minus(blockNumber);
  const diffSecond = diffBlock.times(blockTimeSecond);
  return now.add(diffSecond.toNumber(), 's');
};