package database

import "time"

// File represents a file record in the database
type File struct {
	Path       string
	MTime      time.Time
	CTime      time.Time
	Size       int64
	Mode       uint32
	UID        uint32
	GID        uint32
	LinkTarget string // empty for regular files, target path for symlinks
}

// IsSymlink returns true if this file is a symbolic link
func (f *File) IsSymlink() bool {
	return f.LinkTarget != ""
}

// FileChunk represents the mapping between files and chunks
type FileChunk struct {
	Path      string
	Idx       int
	ChunkHash string
}

// Chunk represents a chunk record in the database
type Chunk struct {
	ChunkHash string
	SHA256    string
	Size      int64
}

// Blob represents a blob record in the database
type Blob struct {
	BlobHash  string
	CreatedTS time.Time
}

// BlobChunk represents the mapping between blobs and chunks
type BlobChunk struct {
	BlobHash  string
	ChunkHash string
	Offset    int64
	Length    int64
}

// ChunkFile represents the reverse mapping of chunks to files
type ChunkFile struct {
	ChunkHash  string
	FilePath   string
	FileOffset int64
	Length     int64
}

// Snapshot represents a snapshot record in the database
type Snapshot struct {
	ID             string
	Hostname       string
	VaultikVersion string
	CreatedTS      time.Time
	FileCount      int64
	ChunkCount     int64
	BlobCount      int64
}