package models

import "time"

// Pool represents a ZFS pool
type Pool struct {
	Name      string    `json:"name"`
	Status    string    `json:"status"` // ONLINE, DEGRADED, FAULTED, etc.
	Size      uint64    `json:"size"`   // bytes
	Allocated uint64    `json:"allocated"`
	Free      uint64    `json:"free"`
	Health    string    `json:"health"`
	CreatedAt time.Time `json:"created_at"`
}

// Dataset represents a ZFS filesystem
type Dataset struct {
	Name       string    `json:"name"`
	Pool       string    `json:"pool"`
	Type       string    `json:"type"` // filesystem, volume
	Size       uint64    `json:"size"`
	Used       uint64    `json:"used"`
	Available  uint64    `json:"available"`
	Mountpoint string    `json:"mountpoint"`
	CreatedAt  time.Time `json:"created_at"`
}

// ZVOL represents a ZFS block device
type ZVOL struct {
	Name      string    `json:"name"`
	Pool      string    `json:"pool"`
	Size      uint64    `json:"size"` // bytes
	Used      uint64    `json:"used"`
	CreatedAt time.Time `json:"created_at"`
}

// Snapshot represents a ZFS snapshot
type Snapshot struct {
	Name      string    `json:"name"`
	Dataset   string    `json:"dataset"`
	Size      uint64    `json:"size"`
	CreatedAt time.Time `json:"created_at"`
}

// SnapshotPolicy defines automated snapshot rules
type SnapshotPolicy struct {
	Dataset   string `json:"dataset"`
	Frequent  int    `json:"frequent"`  // keep N frequent snapshots
	Hourly    int    `json:"hourly"`    // keep N hourly snapshots
	Daily     int    `json:"daily"`     // keep N daily snapshots
	Weekly    int    `json:"weekly"`    // keep N weekly snapshots
	Monthly   int    `json:"monthly"`   // keep N monthly snapshots
	Yearly    int    `json:"yearly"`    // keep N yearly snapshots
	Autosnap  bool   `json:"autosnap"`  // enable/disable
	Autoprune bool   `json:"autoprune"` // enable/disable
}