/**
 * Value encodings for protomux-rpc.
 *
 * Default: compact-encoding JSON (stable, human-debuggable).
 * Binary path: chunked base64 via push:binaryChunk / binaryStream* methods.
 *
 * Hyperschema migration path:
 * - SCHEMA_VERSION negotiated in handshake (shared/schema.js)
 * - MethodSchemas document field shapes
 * - Future: swap valueEncoding per-method to hyperschema structs while
 *   keeping method names stable (PROTOCOL_VERSION bump when required)
 */
import c from 'compact-encoding'
import { SCHEMA_VERSION } from './schema.js'

/** Default encoding for all peardock RPC methods and pushes. */
export const json = c.json

/** Raw buffer passthrough when needed (future hyperschema binary). */
export const raw = c.raw

/** Empty / none encoding. */
export const none = c.none

export const encodings = {
  valueEncoding: json,
  requestEncoding: json,
  responseEncoding: json,
}

/**
 * Encoding profile advertised to clients.
 * When hyperschema lands, profile becomes 'hyperschema' without changing method names.
 */
export const ENCODING_PROFILE = {
  name: 'json+chunked-binary',
  schemaVersion: SCHEMA_VERSION,
  binary: 'push:binaryChunk + binaryStreamOpen/Chunk/Close',
  future: 'hyperschema per-method valueEncoding',
}

export { SCHEMA_VERSION }