package config

import "fmt"

type Host struct {
	Zone      string   `yaml:"zone"`
	Interface string   `yaml:"interface"`
	Addresses []string `yaml:"addresses"`
	Options   []string `yaml:"options,omitempty"`
}

func (c *Config) validateHosts() error {
	for i, h := range c.Hosts {
		if h.Zone == "" {
			return fmt.Errorf("host[%d]: zone required", i)
		}
		if _, ok := c.Zones[h.Zone]; !ok {
			return fmt.Errorf("host[%d]: zone %q not defined", i, h.Zone)
		}
		if h.Interface == "" {
			return fmt.Errorf("host[%d]: interface required", i)
		}
		if len(h.Addresses) == 0 {
			return fmt.Errorf("host[%d]: at least one address required", i)
		}
	}
	return nil
}