// SPDX-FileCopyrightText: 2019 The Go Language Server Authors
// SPDX-License-Identifier: BSD-3-Clause

package protocol

import (
	"context"
	"log/slog"

	"github.com/a-h/templ/lsp/jsonrpc2"
)

// NewServer returns the context in which client is embedded, jsonrpc2.Conn, and the Client.
func NewServer(ctx context.Context, server Server, stream jsonrpc2.Stream, logger *slog.Logger) (context.Context, jsonrpc2.Conn, Client) {
	conn := jsonrpc2.NewConn(stream)
	cliint := ClientDispatcher(conn, logger.With(slog.String("name", "client")))
	ctx = WithClient(ctx, cliint)

	conn.Go(ctx,
		Handlers(
			ServerHandler(logger, server, jsonrpc2.MethodNotFoundHandler),
		),
	)

	return ctx, conn, cliint
}

// NewClient returns the context in which Client is embedded, jsonrpc2.Conn, and the Server.
func NewClient(ctx context.Context, client Client, stream jsonrpc2.Stream, logger *slog.Logger) (context.Context, jsonrpc2.Conn, Server) {
	ctx = WithClient(ctx, client)

	conn := jsonrpc2.NewConn(stream)
	conn.Go(ctx,
		Handlers(
			ClientHandler(logger, client, jsonrpc2.MethodNotFoundHandler),
		),
	)
	server := ServerDispatcher(conn, logger.With(slog.String("name", "server")))

	return ctx, conn, server
}