// Author: fengshengxiong
// Date: 2024/5/7
// Description: 整数、浮点数工具类

import 'dart:math';

class NumUtil {
  static int getInt(num? value) {
    if (value == null) return 0;
    return value.toInt();
  }

  static double getDouble(num? value) {
    if (value == null) return 0.0;
    return value.toDouble();
  }

  static String formatNum(double? num, {int index = 2}){
    if (num == null) return '0';
    if((num.toString().length - num.toString().lastIndexOf('.') - 1) < index){
      return num.toStringAsFixed(index).substring(0, num.toString().lastIndexOf('.') + index + 1).toString();
    }else{
      return num.toString().substring(0, num.toString().lastIndexOf('.') + index + 1).toString();
    }
  }

  static double strToDouble(String valueStr, {double defValue = 0.0}) {
    return double.tryParse(valueStr) ?? defValue;
  }

  /// 获取一个随机随
  static int getRandomNumber(int min, int max) {
    Random random = Random();
    int randomNumber = random.nextInt(max - min) + min;
    return randomNumber;
  }

  /// 获取不包括当前的随机数
  static int getRandomNumberExcludingCurrent(int min, int max, int current) {
    int newNumber;
    do {
      newNumber = getRandomNumber(min, max);
    } while (newNumber == current);
    return newNumber;
  }
}