package models

import (
	"time"

	"github.com/google/uuid"
	"gorm.io/gorm"
)

type UserFile struct {
	ID        uuid.UUID  `gorm:"type:uuid;primaryKey" json:"id"`
	UserID    uuid.UUID  `gorm:"type:uuid;not null" json:"user_id"`
	FolderID  *uuid.UUID `gorm:"type:uuid" json:"folder_id,omitempty"`
	Filename  string     `gorm:"size:255;not null" json:"filename"`
	S3Key     string     `gorm:"size:500;not null" json:"s3_key"`
	SizeBytes int64      `gorm:"not null;default:0" json:"size_bytes"`
	MimeType  string     `gorm:"size:100;not null;default:'application/octet-stream'" json:"mime_type"`
	CreatedAt time.Time  `gorm:"autoCreateTime" json:"created_at"`
	UpdatedAt time.Time  `gorm:"autoUpdateTime" json:"updated_at"`

	User   User        `gorm:"foreignKey:UserID;constraint:OnDelete:CASCADE" json:"-"`
	Folder *UserFolder `gorm:"foreignKey:FolderID;constraint:OnDelete:SET NULL" json:"-"`
}

func (UserFile) TableName() string {
	return "user_files"
}

func (m *UserFile) BeforeCreate(tx *gorm.DB) error {
	if m.ID == uuid.Nil {
		m.ID = uuid.New()
	}
	return nil
}