scalar ByteSize
scalar TimeSize

type AccessPermissions {
	read: Boolean
	write: Boolean
	execute: Boolean
}

type Permissions {
	owner: AccessPermissions
	group: AccessPermissions
	everybody: AccessPermissions
	setUID: Boolean
	setGID: Boolean
	sticky: Boolean
}

type User {
	name: String
	id: Int
	# FIXME
}

type Group {
	name: String
	id: Int
	# FIXME
}

type RawMountValueOption {
	key: String!
	value: String
}

type RawMountFlagOption {
	key: String!
}

union RawMountOption = RawMountFlagOption | RawMountValueOption

enum MountErrorHandlingMode {
	PANIC
	CONTINUE
	REMOUNT_READ_ONLY
}

enum ExtAllocator {
	OLD
	ORLOV
}

enum ExtJournalingMode {
	JOURNAL
	ORDERED
	WRITEBACK
}

enum ExtBufferErrorHandlingMode {
	IGNORE_ERROR
	ABORT_JOURNAL
}

enum ExtQuotaSystem {
	OLD
	V0
	V1
}

enum FatTimestampsAllowedFrom {
	EVERYBODY
	GROUP
	OWNER
}

enum FatNameStrictness {
	RELAXED
	NORMAL
	STRICT
}

enum FatShortNameMode {
	LOWER
	WINDOWS_95
	WINDOWS_NT
	MIXED
}

enum FatLineEndingConversionPolicy {
	BINARY
	TEXT
	AUTO
}

type MountOptions {
	writable: Boolean
	userMountable: Boolean
	freelyMountable: Boolean

	asynchronous: Boolean
	asynchronousDirectoryUpdates: Boolean

	allowDeviceNodes: Boolean
	allowExecution: Boolean
	allowMandatoryLocks: Boolean
	allowSetUIDBits: Boolean

	requiresNetworkAccess: Boolean
	allowOfflineChecks: Boolean

	updateAccessTime: Boolean
	updateDirectoryAccessTime: Boolean
	updateAccessTimeRelatively: Boolean
	updateAccessTimeStrictly: Boolean

	automaticallyMountable: Boolean
	incrementIVersion: Boolean
	printDebugInformation: Boolean
	reportMountingErrors: Boolean
	onError: MountErrorHandlingMode

	owner: User
	group: Group

	filesystemOwner: User
	filesystemGroup: Group
	filesystemPermissions: Permissions

	# devpts
	newPTYOwner: User
	newPTYGroup: Group
	newPTYPermissions: Permissions

	isolatePTYs: Boolean
	ptmxPermissions: Permissions

	# tmpfs, hugetlbfs
	rootOwner: User
	rootGroup: Group
	rootPermissions: Permissions
	maximumInodes: Int
	size: ByteSize

	# hugetlbfs
	pageSize: ByteSize
	sizeAsPoolPercentage: Float
	minimumSize: ByteSize
	minimumSizeAsPoolPercentage: Float
	
	# tmpfs
	blockCount: Int
	numaPolicy: String

	# ext2, ext3, ext4
	allow32bitIdentifiers: Boolean
	allow64bitInodeVersions: Boolean
	allowExtendedAttributes: Boolean

	supportACL: Boolean
	showOnlyUsableSpace: Boolean
	useGroupIDFromDirectory: Boolean

	allowAutomaticFilesystemResizing: Boolean
	enableMetadataBlockTracking: Boolean
	simulateAbort: Boolean
	attachBufferHeads: Boolean  # obsolete
	checkFilesystemOnMount: Boolean
	enableWriteBarriers: Boolean
	enableHardwareDeleteCalls: Boolean

	allocator: ExtAllocator
	reservedSpaceForGroup: Group
	reservedSpaceForUser: User
	superblockIndex: Int
	inodeBlockReadAheadLimit: Int
	stripeBlocks: Int
	directorySizeLimit: ByteSize

	updateJournalFormat: Boolean
	enableJournalChecksumming: Boolean
	asynchronousJournalCommits: Boolean
	processJournal: Boolean
	journalInode: Int
	journalDevice: String  # FIXME: Translate this into a BlockDevice somehow? Expected 'number' format here is unclear.
	journalPath: String
	journalingMode: ExtJournalingMode
	journalIOPriority: Int
	onBufferError: ExtBufferErrorHandlingMode
	commitInterval: TimeSize

	allowDeferredAllocations: Boolean
	batchingTimeLimit: TimeSize
	batchingTimeMinimum: TimeSize
	enableMetadataBlockCache: Boolean
	enableDirectIOReadLocking: Boolean
	enableInodeTableBlockInitialization: Boolean
	inodeTableBlockInitializationDelay: Int
	automaticallySynchronizeBeforeRename: Boolean

	enableGroupQuota: Boolean
	enableUserQuota: Boolean
	enableProjectQuota: Boolean
	quotaSystem: ExtQuotaSystem
	userQuotaFile: String
	groupQuotaFile: String

	# fat, vfat
	blockSize: ByteSize
	allocationTableBitness: Int
	compressedVolumeFileModule: String
	compressedVolumeFileOption: String

	defaultFileMode: Permissions
	defaultFolderMode: Permissions
	nameStrictness: FatNameStrictness
	timestampChangesAllowedFrom: FatTimestampsAllowedFrom
	restrictExecutableModeToWindowsBinaries: Boolean
	treatAttrSysFlagAsImmutable: Boolean

	allowDifferentlyCasedNameConflicts: Boolean
	shortNameMode: FatShortNameMode
	preferShortNamesWithoutSequenceNumber: Boolean
	enableUnicodeCharacterEscaping: Boolean
	supportUtf8: Boolean
	
	enableReadOnlyFlagSupport: Boolean
	enableDOS1xFallbackConfiguration: Boolean
	enableQuietModeFailures: Boolean
	enableNFSInodeCache: Boolean
	enableEagerFlushing: Boolean
	enableFreeClusterCache: Boolean
	enableTimezoneConversion: Boolean

	timestampOffset: TimeSize
	lineEndingConversionPolicy: FatLineEndingConversionPolicy
	conversionCharacterSet: String
	codepage: Int
}

type Mount {
	path: String!
	rawOptions: [RawMountOption]
	options: MountOptions
}

type SmartAttributeFlags {
	autoKeep: Boolean!
	eventCount: Boolean!
	errorRate: Boolean!
	affectsPerformance: Boolean!
	updatedOnline: Boolean!
	indicatesFailure: Boolean!
}

enum SmartAttributeType {
	PRE_FAIL
	OLD_AGE
}

enum SmartAttributeUpdateType {
	ALWAYS
	OFFLINE
}

enum SmartHealth {
	HEALTHY
	DETERIORATING
	FAILING
}

type SmartAttribute {
	id: Int!
	name: String!
	flags: SmartAttributeFlags!
	value: Int!
	rawValue: String!
	worstValueSeen: Int!
	failureThreshold: Int!
	type: SmartAttributeType!
	failingNow: Boolean!
	failedBefore: Boolean!
	updatedWhen: SmartAttributeUpdateType!
}

enum BlockDeviceType {
	DISK
	PARTITION
	LOOP_DEVICE
}

type BlockDevice {
	name: String!
	type: BlockDeviceType!
	path: String!
	mountpoint: String
	deviceNumber: String!
	removable: Boolean!
	readOnly: Boolean!
	size: ByteSize!
	parent: BlockDevice
	children: [BlockDevice!]!
}

type PhysicalDrive {
	path: String!
	interface: String!
	blockDevice: BlockDevice!
	allBlockDevices(type: BlockDeviceType): [BlockDevice!]!
	smartAvailable: Boolean!
	smartEnabled: Boolean
	smartHealth: SmartHealth
	smartAttributes: [SmartAttribute!]!
	model: String
	modelFamily: String
	serialNumber: String
	wwn: String,
	firmwareVersion: String
	size: ByteSize
	rpm: Int
	logicalSectorSize: ByteSize
	physicalSectorSize: ByteSize
	formFactor: String
	ataVersion: String
	sataVersion: String
}

type LVMPhysicalVolume {
	path: String!
	blockDevice: BlockDevice!
	volumeGroup: LVMVolumeGroup!
	format: String!
	size: ByteSize!
	freeSpace: ByteSize!
	duplicate: Boolean!
	allocatable: Boolean!
	used: Boolean!
	exported: Boolean!
	missing: Boolean!
}

type LVMVolumeGroup {
	name: String!
}

type HardwareQuery {
	drives(paths: [String]): [PhysicalDrive!]!
}

type LVMQuery {
	physicalVolumes: [LVMPhysicalVolume!]!
	volumeGroups: [LVMVolumeGroup!]!
}

type ResourcesQuery {
	blockDevices: [BlockDevice!]!
	lvm: LVMQuery
}

type Query {
	hardware: HardwareQuery!
	resources: ResourcesQuery!
}