package ws

import "encoding/json"

// ── Client → Server messages ──

// MsgType enumerates known message types.
type MsgType string

const (
	MsgStart MsgType = "start" // Begin recording session
	MsgStop  MsgType = "stop"  // End recording session
	MsgPaste MsgType = "paste" // Re-paste a history item
)

// ClientMsg is a JSON control message from the phone.
type ClientMsg struct {
	Type MsgType `json:"type"`
	Text string  `json:"text,omitempty"` // Only for "paste"
}

// ── Server → Client messages ──

const (
	MsgPartial MsgType = "partial" // Interim ASR result
	MsgFinal   MsgType = "final"   // Final ASR result
	MsgPasted  MsgType = "pasted"  // Paste confirmed
	MsgError   MsgType = "error"   // Error notification
)

// ServerMsg is a JSON message sent to the phone.
type ServerMsg struct {
	Type    MsgType `json:"type"`
	Text    string  `json:"text,omitempty"`
	Message string  `json:"message,omitempty"` // For errors
}

func (m ServerMsg) Bytes() []byte {
	b, _ := json.Marshal(m)
	return b
}