package service

import (
	edgeevents "iop/apps/edge/internal/events"
	edgenode "iop/apps/edge/internal/node"
)

const (
	DefaultSessionID  = "default"
	DefaultTimeoutSec = 30
)

// Service is the surface-neutral application service shared by the console,
// HTTP/A2A input surfaces, and the Control Plane connector. Its responsibilities
// are split across this package by concern: status_provider.go (node snapshots,
// capabilities, health status), run_dispatch.go (run lifecycle), node_command.go
// (node command transport), and control_command.go (Control Plane command
// execution).
type Service struct {
	registry  *edgenode.Registry
	events    *edgeevents.Bus
	nodeStore *edgenode.NodeStore
	queue     *modelQueueManager
}

func New(registry *edgenode.Registry, events *edgeevents.Bus) *Service {
	s := &Service{registry: registry, events: events}
	if events != nil {
		q := newModelQueueManager(nil)
		q.startEventWatcher(events)
		s.queue = q
	}
	return s
}

func (s *Service) SetNodeStore(store *edgenode.NodeStore) {
	s.nodeStore = store
	if s.queue != nil {
		s.queue.setStore(store)
	}
}

func (s *Service) ListNodes() []*edgenode.NodeEntry {
	return s.registry.All()
}

// NormalizeSessionID maps an empty session id to the default session.
func NormalizeSessionID(id string) string {
	if id == "" {
		return DefaultSessionID
	}
	return id
}

func normalizeTimeoutSec(timeoutSec int) int {
	if timeoutSec <= 0 {
		return DefaultTimeoutSec
	}
	return timeoutSec
}

func nodeLabel(entry *edgenode.NodeEntry) string {
	return entry.DisplayLabel()
}