wrote revised library skeleton

adapter.go

@@ -1 +1,169 @@
 package prism
+
+import (
+	"context"
+	"git.wisehodl.dev/jay/go-honeybee"
+	"log/slog"
+	"sync"
+	"time"
+)
+
+// ----------------------------------------------------------------------------
+// Types
+// ----------------------------------------------------------------------------
+
+type Envelope = []byte
+type PoolSendFunc = func(id string, data Envelope) error
+
+// Pool Plugins
+
+type EmbassyPlugin struct {
+	Connect func(id string) error
+	Remove  func(id string) error
+	Send    PoolSendFunc
+	Events  <-chan honeybee.OutboundPoolEvent
+}
+
+type HotelPlugin struct {
+	Add     func(id string, socket honeybee.Socket) error
+	Replace func(id string, socket honeybee.Socket) error
+	Remove  func(id string) error
+	Send    PoolSendFunc
+	Events  <-chan honeybee.InboundPoolEvent
+}
+
+// Events
+
+type PoolEventKind = int
+
+const (
+	EventConnected PoolEventKind = iota
+	EventDisconnected
+	EventRemoved
+)
+
+type PoolEvent struct {
+	ID   string
+	Kind PoolEventKind
+	At   time.Time
+}
+
+// Adapter
+
+type Adapter interface {
+	Peers() []string
+	HasPeer(id string) bool
+	IsConnected(id string) bool
+	Subscribe() <-chan PoolEvent
+	Send(id string, data Envelope) error
+}
+
+// Embassy
+
+type Embassy struct {
+	pool      EmbassyPlugin
+	peers     map[string]bool // peerID: isConnected
+	journals  chan JournalEntry
+	eventSubs []chan PoolEvent
+
+	ctx    context.Context
+	cancel context.CancelFunc
+	mu     sync.RWMutex
+	wg     sync.WaitGroup
+	logger *slog.Logger
+}
+
+// Hotel
+
+type Hotel struct {
+	pool      HotelPlugin
+	peers     map[string]bool // peerID: isConnected
+	journals  chan JournalEntry
+	eventSubs []chan PoolEvent
+
+	ctx    context.Context
+	cancel context.CancelFunc
+	mu     sync.RWMutex
+	wg     sync.WaitGroup
+	logger *slog.Logger
+}
+
+// ----------------------------------------------------------------------------
+// Embassy (Outbound Adapter)
+// ----------------------------------------------------------------------------
+
+func NewEmbassy() *Embassy {
+	return nil
+}
+
+func (e *Embassy) Dispatch(url string) error {
+	return nil
+}
+
+func (e *Embassy) Dismiss(url string) error {
+	return nil
+}
+
+func (e *Embassy) Close() {}
+
+func (e *Embassy) Peers() []string {
+	return nil
+}
+
+func (e *Embassy) HasPeer(id string) bool {
+	return false
+}
+
+func (e *Embassy) IsConnected(id string) bool {
+	return false
+}
+
+func (e *Embassy) Subscribe() <-chan PoolEvent {
+	return nil
+}
+
+func (e *Embassy) Send(id string, data Envelope) error {
+	return nil
+}
+
+// ----------------------------------------------------------------------------
+// Hotel (Inbound Adapter)
+// ----------------------------------------------------------------------------
+
+func NewHotel() *Hotel {
+	return nil
+}
+
+func (h *Hotel) Welcome(id string, socket honeybee.Socket) error {
+	return nil
+}
+
+func (h *Hotel) WelcomeBack(id string, socket honeybee.Socket) error {
+	return nil
+}
+
+func (h *Hotel) Farewell(id string) error {
+	return nil
+}
+
+func (h *Hotel) Close() {}
+
+func (h *Hotel) Peers() []string {
+	return nil
+}
+
+func (h *Hotel) HasPeer(id string) bool {
+	return false
+}
+
+func (h *Hotel) IsConnected(id string) bool {
+	return false
+}
+
+func (h *Hotel) Subscribe() <-chan PoolEvent {
+	return nil
+}
+
+func (h *Hotel) Send(id string, data Envelope) error {
+	return nil
+}