package backup

import "time"

// Manifest defines the metadata stored inside the backup zip archive.
type Manifest struct {
	Version       string     `json:"version"`                  // Backup format specification version ("1.0")
	DebTikVersion string     `json:"debtik_version"`           // DebTik version that created the backup
	Hostname      string     `json:"hostname"`                 // Router hostname at backup time
	CreatedAt     time.Time  `json:"created_at"`               // Timestamp of backup generation
	Comment       string     `json:"comment,omitempty"`        // Optional user note or comment
	Files         []FileInfo `json:"files"`                    // List of files included in the archive
}

// FileInfo contains metadata for an individual file in the backup.
type FileInfo struct {
	Path   string `json:"path"`   // Path relative to zip root (e.g. "debtik/metadata.json")
	Size   int64  `json:"size"`   // File size in bytes
	Mode   uint32 `json:"mode"`   // File permission bits
	SHA256 string `json:"sha256"` // SHA-256 checksum of file content
}

// BackupInfo summarizes a stored local backup archive.
type BackupInfo struct {
	Filename      string    `json:"filename"`
	Size          int64     `json:"size"`
	ModTime       time.Time `json:"mod_time"`
	DebTikVersion string    `json:"debtik_version,omitempty"`
	Hostname      string    `json:"hostname,omitempty"`
	Comment       string    `json:"comment,omitempty"`
}

// RestoreResult describes the outcome of a restoration operation.
type RestoreResult struct {
	Success      bool      `json:"success"`
	Message      string    `json:"message"`
	Manifest     *Manifest `json:"manifest,omitempty"`
	SafetyBackup string    `json:"safety_backup,omitempty"`
	RestoredAt   time.Time `json:"restored_at"`
}