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"`
}

// PoolDetail represents detailed pool information from zpool status
type PoolDetail struct {
	Name      string   `json:"name"`
	State     string   `json:"state"`      // ONLINE, DEGRADED, FAULTED
	Status    string   `json:"status"`     // Full status message
	VDEVs     []VDEV   `json:"vdevs"`      // Virtual devices
	Spares    []string `json:"spares"`     // Spare disks
	Errors    string   `json:"errors"`     // Error summary
	ScrubInfo string   `json:"scrub_info"` // Scrub information
}

// VDEV represents a virtual device in a pool
type VDEV struct {
	Name     string `json:"name"`     // VDEV name or type
	Type     string `json:"type"`     // mirror, raidz, raidz2, etc.
	State    string `json:"state"`    // ONLINE, DEGRADED, etc.
	Disks    []Disk `json:"disks"`    // Disks in this VDEV
	Read     int    `json:"read"`     // Read errors
	Write    int    `json:"write"`    // Write errors
	Checksum int    `json:"checksum"` // Checksum errors
}

// Disk represents a disk in a VDEV
type Disk struct {
	Name     string `json:"name"`     // Disk name (e.g., sdb)
	State    string `json:"state"`    // ONLINE, DEGRADED, FAULTED, etc.
	Read     int    `json:"read"`     // Read errors
	Write    int    `json:"write"`    // Write errors
	Checksum int    `json:"checksum"` // Checksum errors
}

// 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
}