package storage

// BlockDevice represents a detected physical disk.
type BlockDevice struct {
	Name       string      // "sdb"
	Path       string      // "/dev/sdb"
	Size       string      // "931.5G"
	SizeBytes  int64       // raw bytes from lsblk
	Model      string      // "WD Elements 25A2"
	Type       string      // "disk"
	Removable  bool        // true for USB
	Partitions []Partition // child partitions
	Mounted    bool        // any partition is mounted
}

// Partition represents a partition on a block device.
type Partition struct {
	Name       string // "sdb1"
	Path       string // "/dev/sdb1"
	Size       string // "931.5G"
	SizeBytes  int64
	FSType     string // "ext4", "" for no filesystem
	Label      string // filesystem label
	UUID       string
	MountPoint string // "" if not mounted
}

// FormatablePartition is an empty partition on a system disk that can be formatted.
type FormatablePartition struct {
	Partition
	ParentDiskName  string // "sda"
	ParentDiskPath  string // "/dev/sda"
	ParentDiskModel string // "Samsung SSD 870"
	ParentDiskSize  string // "500 GB"
}

// ScanResult from disk detection.
type ScanResult struct {
	AvailableDisks       []BlockDevice         // Unmounted, non-system disks
	SystemDisks          []BlockDevice         // System/mounted disks (display only)
	FormatablePartitions []FormatablePartition // Empty partitions on system disks, safe to format
}