package model

import (
	"apsClient/pkg/snowflake"
	"encoding/json"
	"github.com/jinzhu/gorm"
	"strconv"
	"time"
)

type BigID uint

type CommonModel struct {
	ID        BigID `gorm:"primary_key"`
	CreatedAt time.Time
	UpdatedAt time.Time
	DeletedAt *time.Time `sql:"index"`
}

func (c *CommonModel) BeforeCreate(db *gorm.DB) {
	if c.ID == 0 {
		id := snowflake.GenerateID()
		if id < 0 {
			// 处理 ID 为负数的情况（可选）
			id = snowflake.GenerateID()
		}
		c.ID = BigID(id)
	}
}

func (id *BigID) UnmarshalJSON(b []byte) error {
	var idString string
	if err := json.Unmarshal(b, &idString); err != nil {
		return err
	}

	idValue, err := strconv.ParseUint(idString, 10, 64)
	if err != nil {
		return err
	}

	*id = BigID(idValue)
	return nil
}

func (id *BigID) MarshalJSON() ([]byte, error) {
	idString := strconv.FormatUint(uint64(*id), 10)
	return []byte(idString), nil
}