function parseDays(data, key, legacyKey) {
  let value = parseInt(data[key], 10)
  if (isNaN(value) && legacyKey) {
    value = parseInt(data[legacyKey], 10)
  }
  if (isNaN(value)) return 0
  return value
}

/**
 * 解析管理后台耗卡作废/删除允许天数（兼容旧版合并配置项）
 */
export function parseConsumeAdminPolicy(data = {}) {
  return {
    voidDays: parseDays(data, 'adminConsumeVoidEditableDays', 'adminConsumeCancelEditableDays'),
    deleteDays: parseDays(data, 'adminConsumeDeleteEditableDays', 'adminConsumeCancelEditableDays')
  }
}

export function canConsumeAdminOperationByDays(row, days) {
  if (!row) return false
  if (days === 0) return true
  const baseTime = row.hksj ? new Date(row.hksj) : null
  if (!baseTime || isNaN(baseTime.getTime())) return true
  const elapsedDays = (Date.now() - baseTime.getTime()) / 86400000
  return elapsedDays <= days
}

/**
 * 规范化业务配置表单字段（保存前/加载后）
 */
export function normalizeBusinessConfigFields(form) {
  const next = { ...form }
  const intField = (key, defaultValue) => {
    if (next[key] === '' || next[key] == null) {
      next[key] = defaultValue
      return
    }
    const n = parseInt(next[key], 10)
    next[key] = isNaN(n) ? defaultValue : n
  }

  intField('consumeEditableDays', 3)
  intField('consumeAllowCrossMonthEdit', 0)
  intField('adminConsumeVoidEditableDays', 0)
  intField('adminConsumeDeleteEditableDays', 0)
  intField('sleepRemindDays', 30)
  intField('sleepReturnDays', 60)
  intField('commissionTierHelpSwitch', 1)
  intField('memberCustomTagMaxCount', 5)
  const decimalField = (key, defaultValue) => {
    if (next[key] === '' || next[key] == null) {
      next[key] = defaultValue
      return
    }
    const n = parseFloat(next[key])
    next[key] = isNaN(n) || n <= 0 ? defaultValue : n
  }
  decimalField('largeAmountBillingThreshold', 50000)
  decimalField('largeAmountConsumeThreshold', 50000)
  decimalField('largeAmountRefundThreshold', 50000)
  decimalField('largeAmountTransferThreshold', 50000)
  next.largeAmountBillingThreshold = String(next.largeAmountBillingThreshold)
  next.largeAmountConsumeThreshold = String(next.largeAmountConsumeThreshold)
  next.largeAmountRefundThreshold = String(next.largeAmountRefundThreshold)
  next.largeAmountTransferThreshold = String(next.largeAmountTransferThreshold)
  if (next.abnormalConsumeAmountTolerance === '' || next.abnormalConsumeAmountTolerance == null) {
    next.abnormalConsumeAmountTolerance = 0.01
  } else {
    const tolerance = parseFloat(next.abnormalConsumeAmountTolerance)
    next.abnormalConsumeAmountTolerance = isNaN(tolerance) || tolerance < 0 ? 0.01 : tolerance
  }
  next.abnormalConsumeAmountTolerance = String(next.abnormalConsumeAmountTolerance)
  if (!next.tkGiftItemIds) {
    next.tkGiftItemIds = '61'
  } else {
    // 只保留一个赠送品项（取第一项）
    const first = String(next.tkGiftItemIds)
      .split(/[,，;；]/)
      .map(s => s.trim())
      .filter(Boolean)[0]
    next.tkGiftItemIds = first || '61'
  }
  return next
}