package base

import (
	"encoding/json"
	"github.com/google/uuid"
	"gorm.io/gorm"
	"time"
)

type Model struct {
	ID        int64          `gorm:"type:bigint;primaryKey;autoIncrement" json:"id"`
	Key       string         `gorm:"type:varchar(50);uniqueIndex" json:"key"`
	CreatedAt time.Time      `gorm:"autoCreateTime" json:"created_at"`
	UpdatedAt time.Time      `gorm:"autoUpdateTime" json:"updated_at"`
	DeletedAt gorm.DeletedAt `gorm:"index" json:"deleted_at,omitempty"`
}

func (m *Model) Delete() {
	m.DeletedAt.Time = time.Now()
	m.DeletedAt.Valid = true
}

func (m *Model) MarshalBinary() ([]byte, error) {
	return json.Marshal(m)
}

func (m *Model) UnmarshalBinary(data []byte) error {
	return json.Unmarshal(data, m)
}

// BeforeCreate 钩子在创建记录之前执行
func (m *Model) BeforeCreate(tx *gorm.DB) (err error) {
	if m.Key == "" {
		m.Key = uuid.New().String() // 使用 UUID 作为默认值
	}
	return
}