package models

import (
	"time"

	"gorm.io/gorm"
)

type FileStatus string
type FileVisibility string

const (
	FileStatusPending  FileStatus = "pending"
	FileStatusReady    FileStatus = "ready"
	FileStatusDeleting FileStatus = "deleting"
	FileStatusExpired  FileStatus = "expired"
)

const (
	FileVisibilityPrivate FileVisibility = "private"
	FileVisibilityPublic  FileVisibility = "public"
)

type FileObject struct {
	ID               uint           `gorm:"primaryKey" json:"id"`
	Identity         string         `gorm:"size:64;not null;uniqueIndex" json:"identity"`
	Namespace        string         `gorm:"size:64;not null" json:"namespace"`
	Provider         string         `gorm:"size:32;not null" json:"provider"`
	StorageContainer string         `gorm:"size:255;not null" json:"-"`
	ObjectKey        string         `gorm:"size:512;not null;uniqueIndex" json:"-"`
	OriginalName     string         `gorm:"size:255;not null" json:"original_name"`
	Extension        string         `gorm:"size:32" json:"extension"`
	ContentType      string         `gorm:"size:255" json:"content_type"`
	ExpectedSize     int64          `gorm:"not null" json:"expected_size"`
	ActualSize       int64          `json:"actual_size"`
	StorageETag      string         `gorm:"column:storage_etag;size:255" json:"storage_etag"`
	Visibility       FileVisibility `gorm:"size:16;not null;default:private;index:idx_files_object_visibility_status,priority:1" json:"visibility"`
	Status           FileStatus     `gorm:"size:16;not null;index:idx_files_object_status_expires_at,priority:1;index:idx_files_object_status_delete_lease,priority:1;index:idx_files_object_visibility_status,priority:2" json:"status"`
	OwnerType        string         `gorm:"size:64;not null;index:idx_files_object_owner_type_identity,priority:1" json:"owner_type"`
	OwnerID          uint           `gorm:"not null" json:"owner_id"`
	OwnerIdentity    string         `gorm:"size:64;not null;index:idx_files_object_owner_type_identity,priority:2" json:"owner_identity"`
	ExpiresAt        *time.Time     `gorm:"index:idx_files_object_status_expires_at,priority:2" json:"expires_at"`
	CompletedAt      *time.Time     `json:"completed_at"`
	DeleteToken      string         `gorm:"size:26" json:"-"`
	DeleteLeaseUntil *time.Time     `gorm:"index:idx_files_object_status_delete_lease,priority:2" json:"-"`
	CreatedAt        time.Time      `json:"created_at"`
	UpdatedAt        time.Time      `json:"updated_at"`
	DeletedAt        gorm.DeletedAt `gorm:"index" json:"deleted_at,omitempty"`
}

func (FileObject) TableName() string {
	return "files_object"
}