// product is a abstract define of same devices made by some vendor
package models

import (
	"errors"

	"github.com/jinzhu/gorm"
)

// Product product
type Product struct {
	gorm.Model
	// which vendor
	VendorID int32
	// name
	ProductName string `sql:"type:varchar(200);not null;" binding:"required"`
	// desc
	ProductDescription string `sql:"type:text;not null;"`
	// product key to auth a product
	ProductKey string `sql:"type:varchar(200);not null;unique;key;"`
	// product config string (JSON)
	ProductConfig string `sql:"type:text; not null;"`

	Devices []Device
}

// Validate 验证
func (a *Product) Validate() error {
	if a.ProductName == "" || a.VendorID == 0 {
		return errors.New("非法参数:[ProductName, VendorID]")
	}
	return nil
}