package zones

import (
	"strconv"
	"strings"
	"sync"
)

// A Machine is a machine on a Zone
type Machine struct {
	mu sync.Mutex

	zone *Zone
	id   int
	Name string
}

func (m *Machine) String() string {
	return m.Name
}

// ID return the index within the [Zone] associated to this [Machine]
func (m *Machine) ID() int {
	m.mu.Lock()
	defer m.mu.Unlock()

	if m.id == 0 {
		zoneName := m.zone.Name

		s := m.Name[len(zoneName)+1:]

		id, err := strconv.ParseInt(s, 10, 8)
		if err != nil {
			panic(err)
		}

		m.id = int(id)
	}

	return m.id
}

// FullName returns the Name of the machine including domain name
func (m *Machine) FullName() string {
	if domain := m.zone.zones.domain; domain != "" {
		var s = []string{
			m.Name,
			domain,
		}

		return strings.Join(s, ".")
	}

	return m.Name
}