package vipexpiry

import (
	"context"
	"time"
	"videoweb/pub/common/log"
	"videoweb/pub/models/usermod"
	"videoweb/pub/pubdef"

	"go.mongodb.org/mongo-driver/bson"
)

var isRunning = false

// ResetExpiredVip 将 CurrentVipExpire 已过期但 VipType 仍非 None 的用户批量重置为普通用户。
// 同时清空 ShowCard* 展示字段，保证 DB 数据与实际状态一致。
func ResetExpiredVip() {
	if isRunning {
		return
	}
	isRunning = true
	defer func() { isRunning = false }()

	ctx := context.Background()
	now := time.Now()

	filter := bson.M{
		usermod.FN.User.VipType:          bson.M{"$gt": pubdef.VipTypeNone},
		usermod.FN.User.CurrentVipExpire: bson.M{"$lt": now},
	}
	update := bson.M{
		"$set": bson.M{
			usermod.FN.User.VipType:      pubdef.VipTypeNone,
			usermod.FN.User.ShowCardId:   int64(0),
			usermod.FN.User.ShowCardName: "",
			usermod.FN.User.UpdatedAt:    now,
		},
	}

	if serr := usermod.UpdateManyUser(ctx, filter, update); serr != nil {
		log.Error("vipexpiry:ResetExpiredVip UpdateManyUser failed", log.Any("err", serr))
		return
	}
	log.Info("vipexpiry:ResetExpiredVip done")
}