package services

import (
	"Medical_ERP/common/global"
	db "Medical_ERP/common/initialize"
	model2 "Medical_ERP/common/model"
	"Medical_ERP/dto"
	"Medical_ERP/models"
	"errors"
	"fmt"
	"github.com/beego/beego/v2/core/logs"
	"gorm.io/gorm"
	"time"
)

type Barcode struct {
}

// getNextIncrementalCode 从数据库中获取下一个递增码
func (e *Barcode) getNextIncrementalCode() (string, error) {
	// 获取当前日期
	var count int64
	current := time.Now().Format("20060102")
	err := db.DB.Model(&models.Barcode{}).Where("code LIKE ?", current+"%").Count(&count).Error
	if err != nil {
		logs.Error("db error: %s", err)
		return "", err
	}
	return fmt.Sprintf("%s%04d", current, count+1), nil

}

// Insert 创建Spec对象
func (e *Barcode) Insert(c models.TransportRecord) (code string, err error) {
	incrementalCode, err := e.getNextIncrementalCode()
	if err != nil {
		logs.Error("生成条形码失败", err)
		return code, global.CreateFailedErr
	}
	data := models.Barcode{Code: incrementalCode, Data: c, ControlBy: model2.ControlBy{CreateBy: c.CreateBy, DeptId: c.DeptId}}
	err = db.DB.Create(&data).Error
	if err != nil {
		logs.Error("db error: %s", err)
		return code, global.CreateFailedErr
	}
	return data.Code, nil
}

// Get 获取DosageForm对象
func (e *Barcode) Get(d *dto.GetBarCodeInfoReq, barcodeModel *models.Barcode) error {
	err := db.DB.Where("code = ?", d.Code).First(barcodeModel).Error

	if err != nil {
		logs.Error("db error: %s", err)
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return global.GetNotFoundOrNoPermissionErr
		}
		return global.GetFailedErr
	}
	return nil
}