package model

import (
	"gorm.io/gorm"
	"hospital-admin-api/global"
	"time"
)

// Product 商品表
type Product struct {
	ProductId             int64                  `gorm:"column:product_id;type:bigint(19);primary_key;comment:主键id" json:"product_id"`
	ProductPlatformId     int64                  `gorm:"column:product_platform_id;type:bigint(19);comment:处方平台商品id" json:"product_platform_id"`
	ProductName           string                 `gorm:"column:product_name;type:varchar(255);comment:商品名称" json:"product_name"`
	CommonName            string                 `gorm:"column:common_name;type:varchar(100);comment:商品通用名" json:"common_name"`
	ProductPrice          float64                `gorm:"column:product_price;type:decimal(10,2);comment:商品价格" json:"product_price"`
	MnemonicCode          string                 `gorm:"column:mnemonic_code;type:varchar(50);comment:商品助记码（首字母简拼）" json:"mnemonic_code"`
	ProductType           int                    `gorm:"column:product_type;type:tinyint(4);default:1;comment:药品类型（0:未知 1:中成药 2:西药）" json:"product_type"`
	ProductPlatformCode   string                 `gorm:"column:product_platform_code;type:varchar(100);comment:处方平台商品编码" json:"product_platform_code"`
	ProductPharmacyCode   string                 `gorm:"column:product_pharmacy_code;type:varchar(100);comment:第三方药店商品编码" json:"product_pharmacy_code"`
	ProductCoverImg       string                 `gorm:"column:product_cover_img;type:varchar(255);comment:商品封面图" json:"product_cover_img"`
	ProductSpec           string                 `gorm:"column:product_spec;type:varchar(255);comment:商品规格" json:"product_spec"`
	LicenseNumber         string                 `gorm:"column:license_number;type:varchar(30);comment:批准文号" json:"license_number"`
	Manufacturer          string                 `gorm:"column:manufacturer;type:varchar(255);comment:生产厂家" json:"manufacturer"`
	SingleUnit            string                 `gorm:"column:single_unit;type:varchar(50);comment:单次剂量（例：1次1包）" json:"single_unit"`
	SingleUse             string                 `gorm:"column:single_use;type:varchar(50);comment:单次用法（例：口服）" json:"single_use"`
	PackagingUnit         string                 `gorm:"column:packaging_unit;type:varchar(20);comment:基本包装单位(例：盒/瓶)" json:"packaging_unit"`
	FrequencyUse          string                 `gorm:"column:frequency_use;type:varchar(50);comment:使用频率(例：1天3次)" json:"frequency_use"`
	AvailableDays         float64                `gorm:"column:available_days;type:float(10,2);comment:可用天数(3)" json:"available_days"`
	ProductRemarks        string                 `gorm:"column:product_remarks;type:varchar(255);comment:商品备注" json:"product_remarks"`
	ProductPlatformAmount *ProductPlatformAmount `gorm:"foreignKey:ProductPlatformId;references:product_platform_id" json:"product_platform_amount"` // 库存
	Model
}

func (m *Product) TableName() string {
	return "gdxz_product"
}

func (m *Product) BeforeCreate(tx *gorm.DB) error {
	if m.ProductId == 0 {
		m.ProductId = global.Snowflake.Generate().Int64()
	}

	m.CreatedAt = LocalTime(time.Now())
	tx.Statement.SetColumn("CreatedAt", m.CreatedAt)

	m.UpdatedAt = LocalTime(time.Now())
	tx.Statement.SetColumn("UpdatedAt", m.UpdatedAt)

	return nil
}