/**
 * 格式化金额, 保留两位小数
 * @param o
 * @param o.amount {number | string} 金额
 * @param o.precision {number} 精度, 默认 100 (分)
 * @param o.thousand {boolean} 是否需要千分位, 默认 true
 * @param o.decimal {boolean} 是否需要小数点, 默认 true
 * @param o.decimalLength {number} 小数点位数, 默认 2
 * @param o.decimalSeparator {string} 小数点分隔符, 默认 '.'
 * @param o.thousandSeparator {string} 千分位分隔符, 默认 ','
 * @return {string | number}
 */
export const amountFormat = (o) => {
  if (o.amount === undefined || o.amount === null) {
    return o.amount;
  }
  let amount = o.amount;
  // 如果 amount 是字符串, 则转换为数字
  if (typeof amount === 'string') {
    amount = parseFloat(amount);
  }
  let precision = o.precision || 100;
  let thousand = o.thousand === undefined ? true : o.thousand;
  let decimal = o.decimal === undefined ? true : o.decimal;
  let decimalLength = o.decimalLength || 2;
  let decimalSeparator = o.decimalSeparator || '.';
  let thousandSeparator = o.thousandSeparator || ',';
  amount = amount / precision;
  amount = amount.toFixed(decimalLength);
  if (thousand) {
    amount = amount.replace(/(\d)(?=(\d{3})+\.)/g, '$1' + thousandSeparator);
  }
  if (decimal) {
    amount = amount.replace('.', decimalSeparator);
  }
  return amount;
}


/**
 * 参数处理
 * @param {*} params  参数
 */
export function tansParams(params) {
  let result = ''
  for (const propName of Object.keys(params)) {
    const value = params[propName];
    var part = encodeURIComponent(propName) + "=";
    if (value !== null && value !== "" && typeof (value) !== "undefined") {
      if (typeof value === 'object') {
        for (const key of Object.keys(value)) {
          if (value[key] !== null && value[key] !== "" && typeof (value[key]) !== 'undefined') {
            let params = propName + '[' + key + ']';
            var subPart = encodeURIComponent(params) + "=";
            result += subPart + encodeURIComponent(value[key]) + "&";
          }
        }
      } else {
        result += part + encodeURIComponent(value) + "&";
      }
    }
  }
  return result
}


// 精度计算乘法
export function  NumberMul(arg1, arg2) {
  let m = 0
  const s1 = arg1.toString()
  const s2 = arg2.toString()
  try {
    m += s1.split('.')[1].length
  } catch (e) {}
  try {
    m += s2.split('.')[1].length
  } catch (e) {}

  return Number(s1.replace('.', '')) * Number(s2.replace('.', '')) / Math.pow(10, m)
}

// 精度计算除法
// 除数，被除数， 保留的小数点后的位数
export function NumberDiv(arg1, arg2) {
  arg1 = parseFloat(arg1)
  arg2 = parseFloat(arg2)
  let t1 = 0
  let t2 = 0
  let r1; let r2
  try {
    t1 = arg1.toString().split('.')[1].length
  } catch (e) {}
  try {
    t2 = arg2.toString().split('.')[1].length
  } catch (e) {}
  r1 = Number(arg1.toString().replace('.', ''))
  r2 = Number(arg2.toString().replace('.', ''))
  return Mul(r1 / r2, Math.pow(10, t2 - t1))
}

export function Mul(arg1, arg2) {
  arg1 = parseFloat(arg1)
  arg2 = parseFloat(arg2)
  let m = 0
  const s1 = arg1.toString()
  const s2 = arg2.toString()
  try {
    m += s1.split('.')[1].length
  } catch (e) {}
  try {
    m += s2.split('.')[1].length
  } catch (e) {}
  return Number(s1.replace('.', '')) * Number(s2.replace('.', '')) / Math.pow(10, m)
}

export const GetADateTime = {
  // 获取今天起始时间日期
  getTodayBegin() {
    const date = new Date();
    const year = date.getFullYear();
    let month = date.getMonth() + 1;
    let day = date.getDate();
    // 年月日时分秒
    // 月和日如果是一位数的话，前面补0
    if (month < 10) {
      month = '0' + month;
    }
    if (day < 10) {
      day = '0' + day;
    }
    return year + '-' + month + '-' + day + ' 00:00:00';
  },
  // 获取今天结束时间日期
  getTodayEnd() {
    const date = new Date();
    const year = date.getFullYear();
    let month = date.getMonth() + 1;
    let day = date.getDate();
    // 年月日时分秒
    // 月和日如果是一位数的话，前面补0
    if (month < 10) {
      month = '0' + month;
    }
    if (day < 10) {
      day = '0' + day;
    }
    return year + '-' + month + '-' + day + ' 23:59:59';
  }
}