package model

import "time"

// Notification 是站内通知的 PostgreSQL 持久化事实。
type Notification struct {
	ID            uint       `gorm:"column:id;primaryKey;autoIncrement" json:"id"`
	EventID       string     `gorm:"column:event_id;type:varchar(64);not null;uniqueIndex:uq_notification_event_recipient,priority:1" json:"event_id"`
	RecipientKind string     `gorm:"column:recipient_kind;type:varchar(32);not null;uniqueIndex:uq_notification_event_recipient,priority:2" json:"recipient_kind"`
	RecipientID   uint       `gorm:"column:recipient_id;not null;uniqueIndex:uq_notification_event_recipient,priority:3" json:"recipient_id"`
	Category      string     `gorm:"column:category;type:varchar(32);not null" json:"category"`
	Type          string     `gorm:"column:type;type:varchar(100);not null" json:"type"`
	Severity      string     `gorm:"column:severity;type:varchar(16);not null" json:"severity"`
	Title         string     `gorm:"column:title;type:varchar(200);not null" json:"title"`
	Body          string     `gorm:"column:body;type:text;not null" json:"body"`
	RefType       string     `gorm:"column:ref_type;type:varchar(64);not null;default:''" json:"ref_type"`
	RefID         string     `gorm:"column:ref_id;type:varchar(128);not null;default:''" json:"ref_id"`
	RefKey        string     `gorm:"column:ref_key;type:varchar(128);not null;default:''" json:"ref_key"`
	IsRead        bool       `gorm:"column:is_read;not null;default:false" json:"is_read"`
	ReadAt        *time.Time `gorm:"column:read_at;type:timestamptz" json:"read_at,omitempty"`
	ExpiresAt     *time.Time `gorm:"column:expires_at;type:timestamptz" json:"expires_at,omitempty"`
	CreatedAt     time.Time  `gorm:"column:created_at;type:timestamptz;not null;autoCreateTime" json:"created_at"`
}

// TableName 返回站内通知表名。
func (Notification) TableName() string {
	return "tb_notification"
}