/**
 * 退款管理展示与规则常量
 */

import {
  RefundStatus,
  RefundMethod,
  ChannelRefundStatus,
  RefundFailureReason
} from '@/types/api/refund'

/** 退款状态名称映射 */
export const RefundStatusNameMap: Record<RefundStatus, string> = {
  [RefundStatus.PENDING]: '待审批',
  [RefundStatus.APPROVED]: '已通过',
  [RefundStatus.REJECTED]: '已拒绝',
  [RefundStatus.RETURNED]: '已退回',
  [RefundStatus.REFUNDING]: '原路退款处理中',
  [RefundStatus.REFUND_FAILED]: '原路退款失败',
  [RefundStatus.APPROVAL_SUBMISSION_FAILED]: '审批提交失败'
}

/** 退款状态标签类型映射 */
export const RefundStatusTypeMap: Record<RefundStatus, 'warning' | 'success' | 'danger' | 'info'> =
  {
    [RefundStatus.PENDING]: 'warning',
    [RefundStatus.APPROVED]: 'success',
    [RefundStatus.REJECTED]: 'danger',
    [RefundStatus.RETURNED]: 'info',
    [RefundStatus.REFUNDING]: 'warning',
    [RefundStatus.REFUND_FAILED]: 'danger',
    [RefundStatus.APPROVAL_SUBMISSION_FAILED]: 'danger'
  }

/** 退款方式名称映射 */
export const RefundMethodNameMap: Record<RefundMethod, string> = {
  [RefundMethod.ORIGINAL_ROUTE]: '原路退回',
  [RefundMethod.CUSTOMER_ACCOUNT]: '客户收款信息',
  [RefundMethod.ASSET_WALLET]: '资产钱包',
  [RefundMethod.AGENT_WALLET]: '代理钱包'
}

/** 渠道退款状态名称映射 */
export const ChannelRefundStatusNameMap: Record<ChannelRefundStatus, string> = {
  [ChannelRefundStatus.NOT_STARTED]: '未发起或不适用',
  [ChannelRefundStatus.PROCESSING]: '处理中',
  [ChannelRefundStatus.SUCCEEDED]: '已成功',
  [ChannelRefundStatus.FAILED]: '已失败'
}

/** 失败分类名称映射 */
export const RefundFailureReasonNameMap: Record<RefundFailureReason, string> = {
  [RefundFailureReason.CHANNEL_REJECTED]: '渠道明确拒绝',
  [RefundFailureReason.CREDENTIAL_INVALID]: '渠道凭证失效',
  [RefundFailureReason.INSUFFICIENT_BALANCE]: '渠道余额不足',
  [RefundFailureReason.TIMEOUT_UNKNOWN]: '超时或结果未知',
  [RefundFailureReason.APPROVAL_REJECTED]: '企微驳回或关闭',
  [RefundFailureReason.REVOKED_AFTER_APPROVED]: '企微通过后撤销',
  [RefundFailureReason.PAYMENT_FACT_INVALID]: '本地原支付事实不可用'
}

/** 退款方式选项（表单用，原路退回暂不开放；历史记录仍保留名称映射） */
export const RefundMethodOptions = [
  { label: '线下退款', value: RefundMethod.CUSTOMER_ACCOUNT },
  { label: '资产钱包', value: RefundMethod.ASSET_WALLET },
  { label: '代理钱包', value: RefundMethod.AGENT_WALLET }
]

/**
 * 是否可重提：3 已拒绝 / 4 已退回 / 6 原路退款失败（anomaly_flag=1 时禁止）
 */
export const canResubmitRefund = (item: {
  status?: RefundStatus
  anomaly_flag?: number
}): boolean => {
  if (!item.status) return false
  if (
    item.status === RefundStatus.REJECTED ||
    item.status === RefundStatus.RETURNED ||
    item.status === RefundStatus.APPROVAL_SUBMISSION_FAILED
  )
    return true
  if (item.status === RefundStatus.REFUND_FAILED) return item.anomaly_flag !== 1
  return false
}

/**
 * 审批操作是否可用：仅待审批且未关联企微审批实例（存量无实例）的申请
 */
export const canManualApproveRefund = (item: {
  status?: RefundStatus
  approval_instance_id?: number | null
}): boolean => item.status === RefundStatus.PENDING && !item.approval_instance_id

export const canRecoverRefundApproval = (item: {
  status?: RefundStatus
  approval_recoverable?: boolean
}): boolean =>
  item.status !== RefundStatus.APPROVAL_SUBMISSION_FAILED && item.approval_recoverable === true