package model

import "time"

type AnnouncementRead struct {
	Id             int       `json:"id" gorm:"primaryKey;autoIncrement"`
	AnnouncementId int       `json:"announcement_id" gorm:"not null;index:idx_announcement_read_user,unique"`
	UserId         int       `json:"user_id" gorm:"not null;index:idx_announcement_read_user,unique"`
	ReadAt         time.Time `json:"read_at" gorm:"not null"`
}

func (AnnouncementRead) TableName() string {
	return "announcement_reads"
}

func (r *AnnouncementRead) Insert() error {
	return DB.Create(r).Error
}

func IsAnnouncementRead(announcementId int, userId int) (bool, error) {
	var count int64
	err := DB.Model(&AnnouncementRead{}).
		Where("announcement_id = ? AND user_id = ?", announcementId, userId).
		Count(&count).Error
	return count > 0, err
}

type AnnouncementReadStatus struct {
	UserId   int        `json:"user_id"`
	Username string     `json:"username"`
	ReadAt   *time.Time `json:"read_at"`
	IsRead   bool       `json:"is_read"`
}