package models

// VTLDrive represents a virtual tape drive
type VTLDrive struct {
	ID          int    `json:"id"`           // Drive ID (e.g., 11, 12, 13, 14 for library 10)
	LibraryID   int    `json:"library_id"`   // Library ID (tens digit)
	SlotID      int    `json:"slot_id"`      // Slot ID (ones digit)
	Vendor      string `json:"vendor"`       // Drive vendor (e.g., "IBM")
	Product     string `json:"product"`      // Drive product (e.g., "ULT3580-TD5")
	Type        string `json:"type"`         // Tape type (e.g., "LTO-5", "LTO-6")
	Device      string `json:"device"`       // Device path (e.g., "/dev/st0")
	Status      string `json:"status"`       // "online", "offline", "error"
	MediaLoaded bool   `json:"media_loaded"` // Whether tape is loaded
	Barcode     string `json:"barcode"`      // Barcode of loaded tape (if any)
}

// VTLMediaChanger represents a virtual media changer
type VTLMediaChanger struct {
	ID        int    `json:"id"`         // Changer ID
	LibraryID int    `json:"library_id"` // Library ID
	Device    string `json:"device"`     // Device path (e.g., "/dev/sg0")
	Status    string `json:"status"`     // "online", "offline", "error"
	Slots     int    `json:"slots"`      // Number of slots
	Drives    int    `json:"drives"`     // Number of drives
}

// VTLTape represents a virtual tape cartridge
type VTLTape struct {
	Barcode   string `json:"barcode"`    // Tape barcode
	LibraryID int    `json:"library_id"` // Library ID
	SlotID    int    `json:"slot_id"`    // Slot ID (0 = not in library)
	DriveID   int    `json:"drive_id"`   // Drive ID if loaded (-1 if not loaded)
	Type      string `json:"type"`       // Tape type (e.g., "LTO-5")
	Size      uint64 `json:"size"`       // Tape capacity in bytes
	Used      uint64 `json:"used"`       // Used space in bytes
	Status    string `json:"status"`     // "available", "in_use", "error"
}

// VTLConfig represents mhvtl configuration
type VTLConfig struct {
	Enabled     bool             `json:"enabled"`      // Whether VTL is enabled
	LibraryID   int              `json:"library_id"`   // Default library ID
	Drives      []VTLDrive       `json:"drives"`       // List of drives
	Changer     *VTLMediaChanger `json:"changer"`      // Media changer
	Tapes       []VTLTape        `json:"tapes"`        // List of tapes
	ConfigPath  string           `json:"config_path"`  // Path to mhvtl config
	StoragePath string           `json:"storage_path"` // Path to tape storage
}

// VTLStatus represents overall VTL system status
type VTLStatus struct {
	ServiceRunning bool   `json:"service_running"` // Whether mhvtl service is running
	DrivesOnline   int    `json:"drives_online"`   // Number of online drives
	DrivesTotal    int    `json:"drives_total"`    // Total number of drives
	TapesTotal     int    `json:"tapes_total"`     // Total number of tapes
	TapesAvailable int    `json:"tapes_available"` // Number of available tapes
	LastError      string `json:"last_error"`      // Last error message (if any)
}