import type { PageParam, PageResult } from '@vben/request';

import { requestClient } from '#/api/request';

export namespace CrmRefundApi {
  export interface Refund {
    id?: number;
    refundNo?: string;
    customerId?: number;
    customerName?: string;
    contractId?: number;
    contractNo?: string;
    refundType?: string;
    refundAmount?: number;
    refundReason?: string;
    applyUserId?: number;
    applyUserName?: string;
    applyTime?: string;
    auditStatus?: number;
    // 以下为审核派生字段，由后端在审核时写入，前端只读展示
    reviewerId?: number; // 审核人ID（实际执行审核的用户）
    reviewerName?: string; // 审核人姓名
    reviewTime?: string; // 审核时间
    reviewRemark?: string; // 审核意见（审核通过时的意见 / 审核不通过时的原因）
    remark?: string;
    createTime?: string;
  }
  export interface PageParams extends PageParam {
    refundNo?: string;
    customerId?: number;
    refundType?: string;
    auditStatus?: number;
  }
}

/** 查询退费单分页 */
export function getRefundPage(params: CrmRefundApi.PageParams) {
  return requestClient.get<PageResult<CrmRefundApi.Refund>>(
    '/crm/refund/page',
    { params },
  );
}

/** 查询退费单详情 */
export function getRefund(id: number) {
  return requestClient.get<CrmRefundApi.Refund>(`/crm/refund/get?id=${id}`);
}

/** 新增退费单 */
export function createRefund(data: CrmRefundApi.Refund) {
  return requestClient.post('/crm/refund/create', data);
}

/** 修改退费单 */
export function updateRefund(data: CrmRefundApi.Refund) {
  return requestClient.put('/crm/refund/update', data);
}

/**
 * 提交审批（草稿 / 审核不通过 → 审批中）
 * 审批人由「系统管理 - 审批配置」统一配置，提交时无需指定。
 */
export function submitRefund(id: number) {
  return requestClient.put('/crm/refund/submit', null, { params: { id } });
}

/** 获得退费单的审批人编号集合，供列表页判断是否展示审核按钮 */
export function getRefundApproverIds() {
  return requestClient.get<number[]>('/crm/refund/approver-ids');
}

/**
 * 审核退费单（审批中 → 审核通过 / 审核不通过）
 *
 * 仅审批配置中的审批人可调用（多人时或签）；pass=false 时 reviewRemark（不通过原因）必填。
 */
export function auditRefund(id: number, pass: boolean, reviewRemark?: string) {
  return requestClient.put('/crm/refund/audit', { id, pass, reviewRemark });
}

/** 删除退费单 */
export function deleteRefund(id: number) {
  return requestClient.delete(`/crm/refund/delete?id=${id}`);
}

/** 导出退费单 */
export function exportRefund(params: Record<string, unknown>) {
  return requestClient.download('/crm/refund/export-excel', { params });
}