package global

import (
	"github.com/redis/go-redis/v9"
	"github.com/songzhibin97/gkit/cache/local_cache"
	"golang.org/x/sync/singleflight"
	"gorm.io/gorm"
	"lcfns/config"
	"time"
)

var (
	Db                      *gorm.DB
	GVA_REDIS               *redis.Client
	BlackCache              local_cache.Cache
	Config                  = config.Config
	GVA_Concurrency_Control = &singleflight.Group{}
)

type GVA_MODEL struct {
	ID        uint           `gorm:"primarykey"` // 主键ID
	CreatedAt time.Time      // 创建时间
	UpdatedAt time.Time      // 更新时间
	DeletedAt gorm.DeletedAt `gorm:"index" json:"-"` // 删除时间
}

type DateTimeString time.Time

const DateTimeFormatCN = "2006-01-02 15:04:05"

func (t *DateTimeString) UnmarshalJSON(data []byte) (err error) {
	now, err := time.ParseInLocation(`"`+DateTimeFormatCN+`"`, string(data), time.Local)
	*t = DateTimeString(now)
	return
}

func (t *DateTimeString) MarshalJSON() ([]byte, error) {
	b := make([]byte, 0, len(DateTimeFormatCN)+2)
	b = append(b, '"')
	b = time.Time(*t).AppendFormat(b, DateTimeFormatCN)
	b = append(b, '"')
	return b, nil
}