package service

import (
	"errors"
	"hospital-admin-api/api/dao"
	"hospital-admin-api/api/model"
	"hospital-admin-api/config"
	"hospital-admin-api/extend/weChat"
	"hospital-admin-api/global"
	"strconv"
	"time"
)

type OrderInquiryService struct {
}

// CancelOrderInquiry 取消问诊订单
func (r *OrderInquiryService) CancelOrderInquiry(orderInquiryId int64) (bool, error) {
	// 获取订单数据
	orderInquiryDao := dao.OrderInquiryDao{}
	orderInquiry, err := orderInquiryDao.GetOrderInquiryById(orderInquiryId)
	if err != nil || orderInquiry == nil {
		return false, errors.New("订单数据错误")
	}

	// 检测订单状态 问诊订单状态（1:待支付 2:待分配 3:待接诊 4:已接诊 5:已完成 6:已结束 7:已取消）
	if orderInquiry.InquiryStatus == 6 {
		return false, errors.New("订单已结束,无法取消")
	}

	if orderInquiry.InquiryStatus == 7 {
		return false, errors.New("订单已取消,无法再次取消")
	}

	if orderInquiry.InquiryStatus == 1 {
		return false, errors.New("订单处于待支付状态,无法取消")
	}

	if orderInquiry.InquiryStatus == 2 {
		return false, errors.New("订单处于分配状态,无法取消")
	}

	if orderInquiry.InquiryStatus == 3 {
		return false, errors.New("订单处于等待接诊状态,无法取消")
	}

	// 检测订单退款状态 问诊订单退款状态（0:无退款 1:申请退款 2:退款中 3:退款成功 4:拒绝退款 5:退款关闭 6:退款异常）
	if orderInquiry.InquiryRefundStatus == 1 {
		return false, errors.New("订单申请退款中,无法取消")
	}

	if orderInquiry.InquiryRefundStatus == 2 {
		return false, errors.New("订单正在退款中,无法取消")
	}

	if orderInquiry.InquiryRefundStatus == 3 {
		return false, errors.New("订单已退款成功,无法取消")
	}

	if orderInquiry.InquiryRefundStatus == 6 {
		return false, errors.New("订单退款异常,请联系技术人员")
	}

	// 检测支付状态 支付状态（1:未支付 2:已支付 3:支付中 4:支付失败 5:支付超时 6:支付关闭 7:已撤销 8:转入退款）
	if orderInquiry.InquiryPayStatus != 2 {
		return false, errors.New("订单未支付，无需取消")
	}

	// 订单完成时间预留5分钟进行操作
	if !orderInquiry.CompleteTime.IsZero() {
		// 计算三天后的时间
		threeDaysLater := orderInquiry.CompleteTime.Add(3 * 24 * time.Hour)
		if time.Since(threeDaysLater) > 5*time.Minute {
			return false, errors.New("距离订单完成时间不足5分钟，无法取消")
		}
	}

	// 开始事务
	tx := global.Db.Begin()
	defer func() {
		if r := recover(); r != nil {
			tx.Rollback()
		}
	}()

	// 问诊订单修改数据
	orderInquiryData := make(map[string]interface{})

	// 发起退款
	if orderInquiry.PaymentAmountTotal > 0 {
		// 退款编号
		inquiryRefundNo := strconv.FormatInt(global.Snowflake.Generate().Int64(), 10)

		refundRequest := weChat.RefundRequest{
			TransactionId:      orderInquiry.EscrowTradeNo,
			OutTradeNo:         orderInquiry.InquiryNo,
			OutRefundNo:        inquiryRefundNo,
			Reason:             "客服取消",
			PaymentAmountTotal: int64(orderInquiry.PaymentAmountTotal * 100),
			NotifyUrl:          "https://dev.hospital.applets.igandanyiyuan.com/" + config.C.Wechat.PatientInquiryRefundNotifyUrl,
		}

		refund, err := refundRequest.Refund()
		if err != nil {
			tx.Rollback()
			return false, errors.New(err.Error())
		}

		if refund.Status == nil {
			tx.Rollback()
			return false, errors.New("退款状态错误")
		}

		// 退款状态转换
		var inquiryRefundStatus int
		var successTime time.Time

		if *refund.Status == "SUCCESS" {
			// 退款成功
			inquiryRefundStatus = 3

			if refund.SuccessTime != nil {
				// 使用 time.Parse 解析时间字符串为 time.Time 类型
				successTime = *refund.SuccessTime
			}
		} else if *refund.Status == "CLOSED" {
			// 退款关闭
			inquiryRefundStatus = 5
		} else if *refund.Status == "PROCESSING" {
			// 退款处理中
			inquiryRefundStatus = 2
		} else if *refund.Status == "ABNORMAL" {
			// 退款异常
			tx.Rollback()
			return false, errors.New("退款状态错误")
		} else {
			tx.Rollback()
			return false, errors.New("退款状态错误")
		}

		if refund.RefundId == nil {
			tx.Rollback()
			return false, errors.New("缺少退款订单编号")
		}

		// 新增退款表
		orderInquiryRefundDao := dao.OrderInquiryRefundDao{}

		orderInquiryRefund := &model.OrderInquiryRefund{
			PatientId:           orderInquiry.PatientId,
			OrderInquiryId:      orderInquiryId,
			InquiryNo:           orderInquiry.InquiryNo,
			InquiryRefundNo:     inquiryRefundNo,
			RefundId:            *refund.RefundId,
			InquiryRefundStatus: inquiryRefundStatus,
			RefundTotal:         orderInquiry.PaymentAmountTotal,
			RefundReason:        "客服取消",
			SuccessTime:         successTime,
		}
		orderInquiryRefund, err = orderInquiryRefundDao.AddOrderInquiryRefund(tx, orderInquiryRefund)
		if err != nil || orderInquiryRefund == nil {
			tx.Rollback()
			return false, errors.New(err.Error())
		}
	}

	orderInquiryData["inquiry_status"] = 7                                     // 问诊订单状态（1:待支付 2:待分配 3:待接诊 4:已接诊 5:已完成 6:已结束 7:已取消）
	orderInquiryData["cancel_time"] = time.Now().Format("2006-01-02 15:04:05") // 订单取消时间
	orderInquiryData["cancel_reason"] = 4                                      // 取消订单原因（1:医生未接诊 2:主动取消 3:无可分配医生 4:客服取消 5:支付超时）
	orderInquiryData["cancel_remarks"] = "客服取消"                                // 取消订单备注（自动添加）

	// 修改问诊订单退款状态
	err = orderInquiryDao.EditOrderInquiryById(tx, orderInquiryId, orderInquiryData)
	if err != nil {
		tx.Rollback()
		return false, errors.New("取消订单失败")
	}

	tx.Commit()

	return true, nil
}