irc/cmd/lain/main.go

package main

import (
	"context"
	"crypto/tls"
	"log/slog"
	"os"
	"time"

	_ "github.com/joho/godotenv/autoload"
	"github.com/lmittmann/tint"
	"go.uber.org/fx"
	"go.uber.org/fx/fxevent"
	"tuxpa.in/a/irc/pkg/capability"
	"tuxpa.in/a/irc/pkg/capability/cap_servertime"
	"tuxpa.in/a/irc/pkg/ircconn"
	"tuxpa.in/a/irc/pkg/ircv3"
	"tuxpa.in/a/irc/plugins/auth"
	"tuxpa.in/a/irc/plugins/useful"
	"tuxpa.in/a/irc/src/lainbot"
)

func exec(log *slog.Logger) error {

	tlsConfig := &tls.Config{}
	conn, err := tls.Dial("tcp", "put.gay:6697", tlsConfig)
	//conn, err := net.Dial("tcp", "irc.libera.chat:6667")
	if err != nil {
		return err
	}
	ctx := context.Background()
	name := os.Getenv("LAIN_NICKNAME")
	saslPassword := os.Getenv("LAIN_PASSWORD")
	reg := &capability.Registrar{}
	reg.Enable(&cap_servertime.Capability{})
	instance := &lainbot.Instance{
		Nuh: &ircv3.NUH{
			Name: name,
			User: "lain",
			Host: "wired",
		},
	}

	reg.Enable(&auth.SaslPlain{
		Username: name,
		Password: saslPassword,
	})
	reg.Enable(&auth.Nick{Nick: name})
	reg.Enable(&auth.User{Username: "lain", Realname: "lain a", Hostname: "wired", Server: "wired"})

	handler := ircv3.Chain(
		func(next ircv3.Handler) ircv3.Handler {
			return ircv3.HandlerFunc(func(w ircv3.MessageWriter, e *ircv3.Event) {
				log.Info("in <<", "msg", e.Msg.String())
				next.Handle(w, e)
			})
		},
		reg.NewMiddleware(),
		(&useful.Autojoin{Channels: []string{"#lainmaxxing"}}).Middleware,
		(&useful.Pong{}).Middleware,
		func(h ircv3.Handler) ircv3.Handler {
			return ircv3.HandlerFunc(func(w ircv3.MessageWriter, e *ircv3.Event) {
				if e.Type != ircv3.EventTypeIRC {
					return
				}
				h.Handle(w, e)
			})
		},
	).Handler(instance)
	mw := &ircconn.MessageWriter{R: conn, Log: log}
	err = ircconn.Serve(ctx, conn, mw, handler)
	if err != nil {
		return err
	}
	return nil
}

func main() {
	lain := fx.New(
		fx.Provide(func() *slog.Logger {
			return slog.New(
				tint.NewHandler(os.Stderr, &tint.Options{
					Level:      slog.LevelDebug,
					TimeFormat: time.Kitchen,
				}))
		}),
		fx.WithLogger(func(s *slog.Logger) fxevent.Logger {
			return &fxevent.SlogLogger{Logger: s}
		}),
		fx.Invoke(exec),
	)
	lain.Run()
}