package models

import (
	"time"

	"gorm.io/gorm"
)

// AssetRegistry 资产统一索引表模型
type AssetRegistry struct {
	ID                 int64  `gorm:"primaryKey;autoIncrement;column:id"`
	AssetID            int64  `gorm:"not null;column:asset_id"`
	AssetType          string `gorm:"type:varchar(20);not null;column:asset_type"` // 'regular' | 'collection' | 'activity'
	OwnerUID           int64  `gorm:"not null;index:idx_registry_owner_star;column:owner_uid"`
	StarID             int64  `gorm:"not null;index:idx_registry_owner_star;column:star_id"`
	// 普通藏品专属字段
	Grade              *int32 `gorm:"column:grade"` // 仅 regular 类型时有效
	// 典藏专属字段
	CollectionCategory *string `gorm:"type:varchar(50);column:collection_category"` // 仅 collection 类型时有效
	// 活动专属字段
	ActivityID         *int64  `gorm:"column:activity_id"`    // 仅 activity 类型时有效
	ActivityType       *string `gorm:"type:varchar(50);column:activity_type"` // 仅 activity 类型时有效
	// 公共字段
	Status             int32   `gorm:"default:0;column:status"`
	LikeCount          int32   `gorm:"default:0;column:like_count"`
	DisplayStatus      int32   `gorm:"default:0;column:display_status"`  // 展示状态：0=待展示, 1=已展示
	CreatedAt          int64   `gorm:"not null;column:created_at"`
	UpdatedAt          int64   `gorm:"not null;column:updated_at"`
}

// TableName 指定表名
func (AssetRegistry) TableName() string {
	return "asset_registry"
}

// BeforeCreate 创建前钩子
func (r *AssetRegistry) BeforeCreate(tx *gorm.DB) error {
	now := time.Now().UnixMilli()
	r.CreatedAt = now
	r.UpdatedAt = now
	return nil
}

// BeforeUpdate 更新前钩子
func (r *AssetRegistry) BeforeUpdate(tx *gorm.DB) error {
	r.UpdatedAt = time.Now().UnixMilli()
	return nil
}

// 资产类型常量
const (
	AssetTypeRegular    = "regular"    // 普通藏品
	AssetTypeCollection = "collection" // 典藏藏品
	AssetTypeActivity   = "activity"   // 活动藏品
)

// AssetRegistry 状态常量
const (
	AssetRegistryStatusPending = 0 // 待处理
	AssetRegistryStatusActive  = 1 // 已激活
)