package main

import (
	"fmt"
)

const (
	// socketFileName is the Unix socket of the daemon in the data
	// directory.
	socketFileName = "onechat.sock"

	// socketRequestBytes is the most bytes of one request line of a client.
	socketRequestBytes = 16 << 20

	// socketPathBytes is the longest path of a Unix socket on Linux.
	socketPathBytes = 107

	// terminalSource is the source of the user messages from the clients of
	// the socket.
	terminalSource = "terminal"
)

// checkSocketPath makes sure that path fits in the address of a Unix socket.
func checkSocketPath(path string) error {
	if len(path) > socketPathBytes {
		return fmt.Errorf("socket path %s is longer than %d bytes: set ONECHAT_DIR to a shorter path", path, socketPathBytes)
	}

	return nil
}

// SocketRequest is one line from a client: "send" with the text of a user
// message, "interrupt", or "stop" with the name of a subagent in Text.
type SocketRequest struct {
	Type string `json:"type"`
	Text string `json:"text,omitempty"`
}