package lsp

import (
	"context"
	"io"

	"go.lsp.dev/jsonrpc2"
	"go.lsp.dev/protocol"
	"go.lsp.dev/uri"

	"olexsmir.xyz/clerk/internal/linter"
	"olexsmir.xyz/clerk/journal/printer"
	"olexsmir.xyz/clerk/journal/semantic"
)

type Server struct {
	sema   *semantic.Context
	linter *linter.Linter

	version string
	server  *server
}

func NewServer(version string) *Server {
	return &Server{
		// sema:   sema,
		// linter: linter,
		server: &server{
			version:    version,
			printerCfg: printer.DefaultConfig,
			docs:       make(map[uri.URI]docState),
		},
	}
}

func (s *Server) Run(ctx context.Context, stdin io.ReadCloser, stdout io.WriteCloser) error {
	stream := jsonrpc2.NewStream(readWriterCloser{
		Reader: stdin,
		Writer: stdout,
		Closer: stdin,
	})

	_, conn, client := protocol.NewServer(ctx, s.server, stream)
	defer conn.Close()

	s.server.client = client

	<-conn.Done()
	return conn.Err()
}

type readWriterCloser struct {
	io.Reader
	io.Writer
	io.Closer
}