package run

import (
	"github.com/docker/docker/api/types"
	"github.com/docker/go-connections/nat"
)

// Globally used constants
const (
	DefaultRegistry    = "docker.io"
	DefaultServerCount = 1
)

// defaultNodes describes the type of nodes on which a port should be exposed by default
const defaultNodes = "server"

// defaultLabelNodes describes the type of nodes on which a label should be applied by default
const defaultLabelNodes = "all"

// mapping a node role to groups that should be applied to it
var nodeRuleGroupsMap = map[string][]string{
	"worker": {"all", "workers", "agents"},
	"server": {"all", "server", "master"},
}

// Cluster describes an existing cluster
type Cluster struct {
	name        string
	image       string
	status      string
	serverPorts []string
	server      types.Container
	workers     []types.Container
}

// ClusterSpec defines the specs for a cluster that's up for creation
type ClusterSpec struct {
	AgentArgs            []string
	APIPort              apiPort
	AutoRestart          bool
	ClusterName          string
	Env                  []string
	NodeToLabelSpecMap   map[string][]string
	Image                string
	NodeToPortSpecMap    map[string][]string
	PortAutoOffset       int
	RegistriesFile       string
	RegistryEnabled      bool
	RegistryCacheEnabled bool
	RegistryName         string
	RegistryPort         int
	RegistryVolume       string
	ServerArgs           []string
	Volumes              *Volumes
}

// PublishedPorts is a struct used for exposing container ports on the host system
type PublishedPorts struct {
	ExposedPorts map[nat.Port]struct{}
	PortBindings map[nat.Port][]nat.PortBinding
}