package service

import (
	"errors"
	"fmt"
	"gorm.io/gorm"
	"hospital-admin-api/api/dao"
	"hospital-admin-api/api/model"
	"hospital-admin-api/extend/aliyun"
	"hospital-admin-api/extend/prescription"
	"hospital-admin-api/global"
	"hospital-admin-api/utils"
	"strings"
	"time"
)

type OrderService struct {
}

// ReportPreProduct 商品订单上报处方平台
func (r *OrderService) ReportPreProduct(orderProductId, adminUserId int64) (bool, error) {
	// 获取药品订单详情
	orderProductDao := dao.OrderProductDao{}
	orderProduct, err := orderProductDao.GetOrderProductPreloadById(orderProductId)
	if err != nil || orderProduct == nil {
		return false, errors.New("订单数据错误")
	}

	// 已上报
	if orderProduct.ReportPreStatus == 1 {
		return false, errors.New("订单已上报")
	}

	// 检测订单状态
	if orderProduct.OrderProductStatus == 1 {
		return false, errors.New("订单处于待支付状态,无法取消")
	}

	if orderProduct.OrderProductStatus == 3 {
		return false, errors.New("订单已发货,无法取消")
	}

	if orderProduct.OrderProductStatus == 4 {
		return false, errors.New("订单已签收,无法取消")
	}

	if orderProduct.OrderProductStatus == 5 {
		return false, errors.New("订单已取消,无法取消")
	}

	// 检测支付状态
	if orderProduct.PayStatus != 2 {
		return false, errors.New("订单支付状态错误")
	}

	// 检测订单退款状态
	if orderProduct.RefundStatus == 1 {
		return false, errors.New("订单申请退款中,无法取消")
	}

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

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

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

	// 获取处方数据
	orderPrescriptionDao := dao.OrderPrescriptionDao{}
	orderPrescription, _ := orderPrescriptionDao.GetById(orderProduct.OrderPrescriptionId)
	if orderPrescription == nil {
		return false, errors.New("数据错误，无处方数据")
	}

	// 获取问诊订单数据
	orderInquiryDao := dao.OrderInquiryDao{}
	orderInquiry, _ := orderInquiryDao.GetOrderInquiryById(orderProduct.OrderInquiryId)
	if orderInquiry == nil {
		return false, errors.New("数据错误，无问诊订单数据")
	}

	// 获取问诊病例数据
	orderInquiryCaseDao := dao.OrderInquiryCaseDao{}
	orderInquiryCase, _ := orderInquiryCaseDao.GetOrderInquiryCaseByOrderInquiryId(orderProduct.OrderInquiryId)
	if orderInquiryCase == nil {
		return false, errors.New("数据错误，无问诊病例")
	}

	// 获取商品订单列表数据
	orderProductItemDao := dao.OrderProductItemDao{}
	orderProductItems, err := orderProductItemDao.GetOrderProductItemByOrderProductId(orderProductId)
	if err != nil || len(orderProductItems) == 0 {
		return false, errors.New("数据错误，无药品数据")
	}

	// 获取就诊患者用户数据
	userDao := dao.UserDao{}
	user, err := userDao.GetUserById(orderInquiry.UserId)
	if err != nil && user == nil {
		return false, errors.New("就诊患者数据错误")
	}

	// 获取家庭成员-基本信息
	patientFamilyDao := dao.PatientFamilyDao{}
	patientFamily, _ := patientFamilyDao.GetPatientFamilyById(orderInquiry.FamilyId)
	if patientFamily == nil {
		return false, errors.New("数据错误，无家庭成员数据")
	}

	// 获取处方关联疾病数据
	orderPrescriptionIcdDao := dao.OrderPrescriptionIcdDao{}
	orderPrescriptionIcds, _ := orderPrescriptionIcdDao.GetOrderPrescriptionIcdListByOrderPrescriptionId(orderPrescription.OrderPrescriptionId)
	if err != nil || len(orderPrescriptionIcds) == 0 {
		return false, errors.New("数据错误，无处方关联疾病数据")
	}

	// 获取医生数据
	userDoctorDao := dao.UserDoctorDao{}
	userDoctor, _ := userDoctorDao.GetUserDoctorById(orderPrescription.DoctorId)
	if userDoctor == nil {
		return false, errors.New("数据错误，无医生数据")
	}

	// 获取医生详情数据
	userDoctorInfoDao := dao.UserDoctorInfoDao{}
	userDoctorInfo, _ := userDoctorInfoDao.GetUserDoctorInfoByDoctorId(orderPrescription.DoctorId)
	if userDoctorInfo == nil {
		return false, errors.New("数据错误，无医生详情数据")
	}

	// 获取药师数据
	userPharmacistDao := dao.UserPharmacistDao{}
	userPharmacist, _ := userPharmacistDao.GetUserPharmacistById(orderPrescription.PharmacistId)
	if userPharmacist == nil {
		return false, errors.New("数据错误，无药师数据")
	}

	// 获取药师详情数据
	userPharmacistInfoDao := dao.UserPharmacistInfoDao{}
	userPharmacistInfo, _ := userPharmacistInfoDao.GetUserPharmacistInfoByPharmacistId(orderPrescription.PharmacistId)
	if userPharmacistInfo == nil {
		return false, errors.New("数据错误，无药师详情数据")
	}

	// 获取医生科室数据
	hospitalDepartmentCustomDao := dao.HospitalDepartmentCustomDao{}
	hospitalDepartmentCustom, _ := hospitalDepartmentCustomDao.GetHospitalDepartmentCustomById(userDoctor.DepartmentCustomId)
	if hospitalDepartmentCustom == nil {
		return false, errors.New("数据错误，无医生科室数据")
	}

	// 处理疾病数据
	icdNameSlice := make([]string, 0)
	for _, orderPrescriptionIcd := range orderPrescriptionIcds {
		if orderPrescriptionIcd.IcdName != "" {
			icdNameSlice = append(icdNameSlice, orderPrescriptionIcd.IcdName)
		}
	}

	icdNameStr := strings.Join(icdNameSlice, ";")

	// 处理上传数据-药品数据
	drugListRequests := make([]prescription.DrugListRequest, len(orderProductItems))
	orderDrugListRequests := make([]prescription.OrderDrugListRequest, len(orderProductItems))
	for i, o := range orderProductItems {
		// 获取商品数据
		productDao := dao.ProductDao{}
		product, _ := productDao.GetProductById(o.ProductId)
		if product == nil {
			return false, errors.New("数据错误，无药品数据")
		}

		useDays := o.Amount * 7
		if product.AvailableDays != 0 {
			useDays = int(product.AvailableDays)
		}

		// 药品数据1
		drugRequest := prescription.DrugListRequest{
			DrugCode:            product.ProductPlatformCode, // 药品编码
			ApprovalNumber:      product.LicenseNumber,       // 批准文号
			DrugName:            product.ProductName,         // 药品名称
			Specifications:      product.ProductSpec,         // 药品规格
			Price:               product.ProductPrice,        // 药品单价
			PackingCount:        o.Amount,                    // 药品数量
			SurplusPackingCount: 0,                           // 处方药品剩余使用数量
			PackingUnit:         product.PackagingUnit,       // 药品单位
			SingleDosage:        1,                           // 单次用量
			SingleDosageUnit:    "片",                         // 单次用量单位
			UseName:             product.SingleUse,           // 用法名称
			FrequencyName:       product.FrequencyUse,        // 频次名称
			UseDays:             useDays,                     // 使用天数
		}
		drugListRequests[i] = drugRequest

		// 药品数据2
		orderDrugRequest := prescription.OrderDrugListRequest{
			DrugCode:           product.ProductPlatformCode, // 药品编码
			ApprovalNumber:     product.LicenseNumber,       // 批准文号
			DrugName:           product.ProductName,         // 药品名称
			Specifications:     product.ProductSpec,         // 药品规格
			Price:              product.ProductPrice,        // 药品单价
			DrugCount:          o.Amount,                    // 药品数量
			PackingUnit:        product.PackagingUnit,       // 药品单位
			ActualSellingPrice: o.ActualProductPrice,        // 实际商品价格
		}
		orderDrugListRequests[i] = orderDrugRequest
	}

	// 处理上传数据-处方数据
	presRequests := make([]prescription.PresRequest, 1)
	presRequest := prescription.PresRequest{
		PrescriptionNo:           orderPrescription.PrescriptionCode,      // // 处方编号
		PrescriptionSubType:      1,                                       // 处方类型 0：无类型 1：普 通处方 2：儿科处 方
		PatientName:              orderPrescription.PatientName,           // 就诊人姓名
		PatientPhone:             user.Mobile,                             // 就诊人联系方式
		IdCard:                   patientFamily.IdNumber,                  //  身份证号
		Advice:                   orderPrescription.DoctorAdvice,          //  医嘱
		DiagnosisName:            icdNameStr,                              //  诊断
		ThirdDoctorName:          userDoctor.UserName,                     //  开方医生姓名
		ThirdDeptName:            hospitalDepartmentCustom.DepartmentName, //  开方科室名称
		ThirdDoctorNameImg:       utils.AddOssDomain(userDoctorInfo.SignImage),
		PrescriptionTime:         time.Time(orderPrescription.DoctorCreatedTime).Format("2006-01-02 15:04:05"),
		ThirdFirstPharmacist:     userPharmacist.UserName,
		ThirdFirstPharmacistImg:  utils.AddOssDomain(userPharmacistInfo.SignImage),
		ThirdFirstTime:           time.Time(orderPrescription.PharmacistVerifyTime).Format("2006-01-02 15:04:05"),
		ThirdLastPharmacist:      userPharmacist.UserName,
		ThirdLastPharmacistImg:   utils.AddOssDomain(userPharmacistInfo.SignImage),
		ThirdLastTime:            time.Time(orderPrescription.PharmacistVerifyTime).Format("2006-01-02 15:04:05"),
		ThirdSignImg:             utils.AddOssDomain("/basic/file/hospital_signature.png"),
		ReferenceCharge:          orderProduct.AmountTotal,
		ChiefComplaint:           orderInquiryCase.DiseaseDesc,
		HistoryPresent:           orderInquiryCase.DiseaseClassName,
		PastHistory:              orderInquiryCase.FamilyHistory,
		PhysicalExamination:      "无",
		SupplementaryExamination: "无",
		AllergicHistory:          orderInquiryCase.AllergyHistory,
		DrugList:                 drugListRequests,
		OrderDrugList:            orderDrugListRequests,
	}

	presRequests[0] = presRequest

	// 处理上传数据-基础数据
	ReportPreRequest := prescription.ReportPreRequest{
		TerminalCode: "ZD-10003",
		OrderNo:      orderProduct.OrderProductNo,                                   // 订单编号
		TransactNo:   orderProduct.EscrowTradeNo,                                    // 流水单号
		PayDate:      time.Time(orderProduct.PayTime).Format("2006-01-02 15:04:05"), // 支付时间
		Money:        orderProduct.PaymentAmountTotal,                               // 订单金额
		Freight:      orderProduct.LogisticsFee,                                     // 运费(单位：元)
		TakeTypeCode: 2,                                                             // 取货方式 1 自提 2 快递，目前只支持快递，传固定值 2
		BuyerName:    orderProduct.ConsigneeName,                                    // 收货人姓名
		BuyerPhone:   orderProduct.ConsigneeTel,                                     // 收货人联系方式
		BuyerAddress: orderProduct.Address,                                          // 收货人地址
		ProvinceCode: fmt.Sprintf("%d", orderProduct.ProvinceId),                    // 收货地址(省) 编码
		ProvinceName: orderProduct.Province,                                         // 收货地址(省) 名称
		CityCode:     fmt.Sprintf("%d", orderProduct.CityId),                        // 收货地址(市) 编码
		CityName:     orderProduct.City,                                             // 收货地址(市) 名称
		DistrictCode: fmt.Sprintf("%d", orderProduct.CountyId),                      // 收货地址(区 县)编码
		DistrictName: orderProduct.County,                                           // 收货地址(区 县)名称
		PresList:     presRequests,
	}

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

	// 上报处方
	_, err = ReportPreRequest.ReportPre()
	if err != nil {
		tx.Rollback()
		return false, err
	}

	// 修改商品表
	orderProductData := make(map[string]interface{})
	orderProductData["report_pre_status"] = 1
	orderProductData["report_pre_time"] = time.Now().Format("2006-01-02 15:04:05")

	err = orderProductDao.EditOrderProductById(tx, orderProductId, orderProductData)
	if err != nil {
		tx.Rollback()
		return false, errors.New("上报处方失败")
	}

	// 记录日志
	orderOperationLog := &model.OrderOperationLog{
		OrderId:          orderProduct.OrderProductId,
		OrderNo:          orderProduct.OrderProductNo,
		OrderType:        2,
		OperatorId:       adminUserId,
		OperationContent: "上报处方平台",
	}

	orderOperationLogDao := dao.OrderOperationLogDao{}
	orderOperationLog, err = orderOperationLogDao.AddOrderOperationLog(tx, orderOperationLog)
	if err != nil || orderOperationLog == nil {
		tx.Rollback()
		return false, errors.New(err.Error())
	}

	tx.Commit()

	return true, nil
}

// 发起订单退款-未完成
func (r *OrderService) orderRefund(orderNo string, refundReason string) (bool, error) {
	orderDao := dao.OrderDao{}

	// 获取订单数据
	maps := make(map[string]interface{})
	maps["order_no"] = orderNo
	order, err := orderDao.GetOrder(maps)
	if err != nil || order == nil {
		return false, errors.New("订单数据错误")
	}

	// 检测订单退款状态（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 order.RefundStatus == 2 {
		return false, errors.New("订单退款中")
	}

	if order.RefundStatus == 3 {
		return false, errors.New("订单已退款成功")
	}

	if order.RefundStatus == 5 {
		return false, errors.New("订单已退款关闭")
	}

	// 检测支付状态 （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 order.PayStatus != 2 {
		return false, errors.New("订单支付状态错误")
	}

	return false, nil
}

// PdfToImg 处理pdf转图片
func (r *OrderService) PdfToImg() (bool, error) {
	//orderPrescription := dao.OrderPrescriptionDao{}
	orderPrescriptionFileDao := dao.OrderPrescriptionFileDao{}

	// 获取订单数据
	maps := make(map[string]interface{})
	orderPrescriptionFiles, err := orderPrescriptionFileDao.GetOrderPrescriptionFileList(maps)
	if err != nil {
		return false, errors.New("订单数据错误")
	}

	for _, orderPrescriptionFile := range orderPrescriptionFiles {
		if orderPrescriptionFile.PrescriptionPdfOssPath == "" {
			continue
		}

		if orderPrescriptionFile.IsConvertedPdf == 1 {
			continue
		}

		OrderPrescriptionId := fmt.Sprintf("%d", orderPrescriptionFile.OrderPrescriptionId)

		PrescriptionImgOssPath := strings.TrimLeft(orderPrescriptionFile.PrescriptionImgOssPath, "/")

		// 下载处方图片到本地
		local, err := aliyun.GetObjectToLocal(PrescriptionImgOssPath,
			"/Users/wucongxing/Desktop/work/go/hospital-admin-api/data/bak/img/"+OrderPrescriptionId+".jpg")
		if err != nil || !local {
			return false, err
		}

		// 下载处方pdf到本地
		local, err = aliyun.GetObjectToLocal(orderPrescriptionFile.PrescriptionPdfOssPath,
			"/Users/wucongxing/Desktop/work/go/hospital-admin-api/data/bak/pdf/"+OrderPrescriptionId+".pdf")
		if err != nil || !local {
			return false, err
		}

		pdfPath := "/Users/wucongxing/Desktop/work/go/hospital-admin-api/data/bak/pdf/" + OrderPrescriptionId + ".pdf"
		outputDir := "/Users/wucongxing/Desktop/work/go/hospital-admin-api/data/img"

		if err := utils.ConvertPDFToImages(pdfPath, outputDir, OrderPrescriptionId+".jpg"); err != nil {
			return false, err
		}

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

		data := make(map[string]interface{})
		data["is_converted_pdf"] = 1
		err = orderPrescriptionFileDao.EditOrderPrescriptionFileById(tx, orderPrescriptionFile.PrescriptionFileId, data)
		if err != nil {
			tx.Rollback()
			return false, err
		}

		tx.Commit()
	}

	return true, nil
}

// ReturnOrderCoupon 退还用户优惠卷
func (r *OrderService) ReturnOrderCoupon(orderId int64, tx *gorm.DB) (bool, error) {
	orderCouponDao := dao.OrderCouponDao{}
	userCouponDao := dao.UserCouponDao{}

	// 获取该订单全部优惠卷数据
	maps := make(map[string]interface{})
	maps["order_id"] = orderId
	orderCoupons, err := orderCouponDao.GetOrderCouponList(maps)
	if err != nil {
		return false, err
	}

	// 无优惠卷数据
	if len(orderCoupons) == 0 {
		return true, nil
	}

	for _, coupon := range orderCoupons {
		// 获取用户优惠卷数据
		userCoupon, err := userCouponDao.GetUserCouponById(coupon.UserCouponId)
		if err != nil || userCoupon == nil {
			// 无该优惠卷数据，无需处理
			continue
		}

		// 恢复优惠卷
		userCouponData := make(map[string]interface{})

		// 检测优惠卷过期时间。判断是否需要退还
		if userCoupon.ValidEndTime.Before(time.Now()) {
			userCouponData["user_coupon_status"] = 3
		} else {
			userCouponData["user_coupon_status"] = 0
			userCouponData["coupon_use_date"] = nil
		}

		err = userCouponDao.EditUserCouponById(tx, userCoupon.UserCouponId, userCouponData)
		if err != nil {
			// 恢复优惠卷失败
			return false, errors.New("恢复优惠卷失败")
		}
	}

	return true, nil
}