package socketio

import "sync"

type namespaces struct {
	namespaces map[string]*namespaceConn
	mu         sync.RWMutex
}

func newNamespaces() *namespaces {
	return &namespaces{
		namespaces: make(map[string]*namespaceConn),
	}
}

func (n *namespaces) Get(ns string) (*namespaceConn, bool) {
	n.mu.RLock()
	defer n.mu.RUnlock()

	namespace, ok := n.namespaces[ns]
	return namespace, ok
}

func (n *namespaces) Set(ns string, conn *namespaceConn) {
	n.mu.Lock()
	defer n.mu.Unlock()

	n.namespaces[ns] = conn
}

func (n *namespaces) Delete(ns string) {
	n.mu.Lock()
	defer n.mu.Unlock()

	delete(n.namespaces, ns)
}

func (n *namespaces) Range(fn func(ns string, nc *namespaceConn)) {
	n.mu.RLock()
	defer n.mu.RUnlock()

	for ns, nc := range n.namespaces {
		fn(ns, nc)
	}
}