const (
	FsDriverBlockdev string = constant.FsDriverBlockdev
	FsDriverFusedev  string = constant.FsDriverFusedev
	FsDriverFscache  string = constant.FsDriverFscache
	FsDriverNodev    string = constant.FsDriverNodev
	FsDriverProxy    string = constant.FsDriverProxy
)

const (
	TarfsLayerVerityOnly      string = "layer_verity_only"
	TarfsImageVerityOnly      string = "image_verity_only"
	TarfsLayerBlockDevice     string = "layer_block"
	TarfsImageBlockDevice     string = "image_block"
	TarfsLayerBlockWithVerity string = "layer_block_with_verity"
	TarfsImageBlockWithVerity string = "image_block_with_verity"
)

type AuthConfig struct {
	// based on kubeconfig or ServiceAccount
	EnableKubeconfigKeychain bool   `toml:"enable_kubeconfig_keychain"`
	KubeconfigPath           string `toml:"kubeconfig_path"`
	// CRI proxy mode
	EnableCRIKeychain   bool   `toml:"enable_cri_keychain"`
	ImageServiceAddress string `toml:"image_service_address"`
}

type CacheManagerConfig struct {
	Disable bool `toml:"disable"`
	// Trigger GC gc_period after the specified period.
	// Example format: 24h, 120min
	GCPeriod string `toml:"gc_period"`
	CacheDir string `toml:"cache_dir"`
}

type CgroupConfig struct {
	Enable      bool   `toml:"enable"`
	MemoryLimit string `toml:"memory_limit"`
}

type DaemonConfig struct {
	NydusdPath       string `toml:"nydusd_path"`
	NydusdConfigPath string `toml:"nydusd_config"`
	NydusImagePath   string `toml:"nydusimage_path"`
	RecoverPolicy    string `toml:"recover_policy"`
	FsDriver         string `toml:"fs_driver"`
	ThreadsNumber    int    `toml:"threads_number"`
	LogRotationSize  int    `toml:"log_rotation_size"`
}

type DaemonMode string

const (
	// Spawn a dedicated nydusd for each RAFS instance.
	DaemonModeMultiple DaemonMode = DaemonMode(constant.DaemonModeMultiple)
	// Spawn a dedicated nydusd for each RAFS instance.
	DaemonModeDedicated DaemonMode = DaemonMode(constant.DaemonModeDedicated)
	// Share a global nydusd to serve all RAFS instances.
	DaemonModeShared DaemonMode = DaemonMode(constant.DaemonModeShared)
	// Do not spawn nydusd for RAFS instances.
	//
	// For tarfs and rund, there's no need to create nydusd to serve RAFS instances,
	// the snapshotter just returns mount slices with additional information for runC/runD
	// to manage those snapshots.
	DaemonModeNone    DaemonMode = DaemonMode(constant.DaemonModeNone)
	DaemonModeInvalid DaemonMode = DaemonMode(constant.DaemonModeInvalid)
)

type DaemonRecoverPolicy int

const (
	RecoverPolicyInvalid DaemonRecoverPolicy = iota
	RecoverPolicyNone
	RecoverPolicyRestart
	RecoverPolicyFailover
)

type DebugConfig struct {
	ProfileDuration int64  `toml:"daemon_cpu_profile_duration_secs"`
	PprofAddress    string `toml:"pprof_address"`
}

type Experimental struct {
	EnableStargz         bool        `toml:"enable_stargz"`
	EnableReferrerDetect bool        `toml:"enable_referrer_detect"`
	TarfsConfig          TarfsConfig `toml:"tarfs"`
	EnableBackendSource  bool        `toml:"enable_backend_source"`
}

type GlobalConfig struct {
	SnapshotsDir     string
	DaemonMode       DaemonMode
	SocketRoot       string
	ConfigRoot       string
	RootMountpoint   string
	DaemonThreadsNum int
	CacheGCPeriod    time.Duration
	MirrorsConfig    MirrorsConfig
	// contains filtered or unexported fields
}

type ImageConfig struct {
	PublicKeyFile     string `toml:"public_key_file"`
	ValidateSignature bool   `toml:"validate_signature"`
}

type LoggingConfig struct {
	LogToStdout         bool   `toml:"log_to_stdout"`
	LogLevel            string `toml:"level"`
	LogDir              string `toml:"dir"`
	RotateLogMaxSize    int    `toml:"log_rotation_max_size"`
	RotateLogMaxBackups int    `toml:"log_rotation_max_backups"`
	RotateLogMaxAge     int    `toml:"log_rotation_max_age"`
	RotateLogLocalTime  bool   `toml:"log_rotation_local_time"`
	RotateLogCompress   bool   `toml:"log_rotation_compress"`
}

type MetricsConfig struct {
	Address string `toml:"address"`
}

type MirrorsConfig struct {
	Dir string `toml:"dir"`
}

type RemoteConfig struct {
	AuthConfig         AuthConfig    `toml:"auth"`
	ConvertVpcRegistry bool          `toml:"convert_vpc_registry"`
	SkipSSLVerify      bool          `toml:"skip_ssl_verify"`
	MirrorsConfig      MirrorsConfig `toml:"mirrors_config"`
}

type SnapshotConfig struct {
	EnableNydusOverlayFS bool   `toml:"enable_nydus_overlayfs"`
	NydusOverlayFSPath   string `toml:"nydus_overlayfs_path"`
	EnableKataVolume     bool   `toml:"enable_kata_volume"`
	SyncRemove           bool   `toml:"sync_remove"`
}

type SnapshotterConfig struct {
	// Configuration format version
	Version int `toml:"version"`
	// Snapshotter's root work directory
	Root       string `toml:"root"`
	Address    string `toml:"address"`
	DaemonMode string `toml:"daemon_mode"`
	// Clean up all the resources when snapshotter is closed
	CleanupOnClose bool `toml:"cleanup_on_close"`

	SystemControllerConfig SystemControllerConfig `toml:"system"`
	MetricsConfig          MetricsConfig          `toml:"metrics"`
	DaemonConfig           DaemonConfig           `toml:"daemon"`
	SnapshotsConfig        SnapshotConfig         `toml:"snapshot"`
	RemoteConfig           RemoteConfig           `toml:"remote"`
	ImageConfig            ImageConfig            `toml:"image"`
	CacheManagerConfig     CacheManagerConfig     `toml:"cache_manager"`
	LoggingConfig          LoggingConfig          `toml:"log"`
	CgroupConfig           CgroupConfig           `toml:"cgroup"`
	Experimental           Experimental           `toml:"experimental"`
}

type SystemControllerConfig struct {
	Enable      bool        `toml:"enable"`
	Address     string      `toml:"address"`
	DebugConfig DebugConfig `toml:"debug"`
}

type TarfsConfig struct {
	EnableTarfs       bool   `toml:"enable_tarfs"`
	MountTarfsOnHost  bool   `toml:"mount_tarfs_on_host"`
	TarfsHint         bool   `toml:"tarfs_hint"`
	MaxConcurrentProc int    `toml:"max_concurrent_proc"`
	ExportMode        string `toml:"export_mode"`
}