package model

import (
	"gorm.io/gorm"
	"hepa-calc-api/global"
	"time"
)

// UserCaseDiseaseItem 用户-病例-所患疾病列表
type UserCaseDiseaseItem struct {
	ItemId         int64  `gorm:"column:item_id;type:bigint(19);primary_key;comment:主键id" json:"item_id"`
	UserCaseId     int64  `gorm:"column:user_case_id;type:bigint(19);comment:用户病例id" json:"user_case_id"`
	DiseaseClassId int64  `gorm:"column:disease_class_id;type:bigint(19);comment:疾病分类id" json:"disease_class_id"`
	AppIden        string `gorm:"column:app_iden;type:varchar(50);comment:app唯一标识" json:"app_iden"`
	Duration       *int   `gorm:"column:duration;type:int(5);comment:患病时长（年）" json:"duration"`
	Genotype       string `gorm:"column:genotype;type:varchar(20);comment:基因型（仅丙肝存在）" json:"genotype"`
	Model
	BaseDiseaseClass *BaseDiseaseClass `gorm:"foreignKey:DiseaseClassId;references:disease_class_id" json:"disease_class"`
}

func (m *UserCaseDiseaseItem) TableName() string {
	return "user_case_disease_item"
}

func (m *UserCaseDiseaseItem) BeforeCreate(tx *gorm.DB) error {
	if m.ItemId == 0 {
		m.ItemId = 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
}