add comments, print a message on successful connection

Makefile

@@ -5,10 +5,10 @@ run:
 	cd cmd/bot && ./Nourybot
 
 dev:
-	cd cmd/bot && go build -o Nourybot && ./Nourybot -mode dev
+	cd cmd/bot && go build -o Nourybot && ./Nourybot -env development
 
 prod:
-	cd cmd/bot && go build -o Nourybot && ./Nourybot -mode production
+	cd cmd/bot && go build -o Nourybot && ./Nourybot -env production
 
 xd:
-	cd cmd/bot && go build -o Nourybot && ./Nourybot
+	cd cmd/bot && go build -o Nourybot && ./Nourybot

cmd/bot/main.go

@@ -24,36 +24,64 @@ type application struct {
 func main() {
 	var cfg config
 
+	// Parse which environment we are running in. This will decide in
+	// the future how many channels we join or which database we are
+	// connecting to for example.
 	flag.StringVar(&cfg.env, "env", "development", "Environment (development|string|production)")
 	flag.Parse()
 
+	// Initialize a new logger we attach to our application struct.
+	logger := log.New(os.Stdout, "", log.Ldate|log.Ltime)
+
+	// Load the .env file and check for errors.
 	err := godotenv.Load()
 	if err != nil {
-		log.Fatal("Error loading .env file")
+		logger.Fatal("Error loading .env file")
 	}
 
+	// Load bot credentials from the .env file.
 	cfg.botUsername = os.Getenv("BOT_USER")
 	cfg.botOauth = os.Getenv("BOT_OAUTH")
 
-	logger := log.New(os.Stdout, "", log.Ldate|log.Ltime)
-
+	// Initialize a new twitch client which we attach to our
+	// application struct.
 	twitchClient := twitch.NewClient(cfg.botUsername, cfg.botOauth)
+
+	// Finally Initialize a new application instance with our
+	// attached methods.
 	app := &application{
 		config:       cfg,
 		twitchClient: twitchClient,
 		logger:       logger,
 	}
 
+	// Received a PrivateMessage (normal chat message), pass it to
+	// the handler who checks for further action.
 	app.twitchClient.OnPrivateMessage(func(message twitch.PrivateMessage) {
 		app.handlePrivateMessage(message)
 	})
 
+	// Received a WhisperMessage (Twitch DM), pass it to
+	// the handler who checks for further action.
+	app.twitchClient.OnWhisperMessage(func(message twitch.WhisperMessage) {
+		app.handleWhisperMessage(message)
+	})
+
+	// Successfully connected to Twitch so we log a message with the
+	// mode we are currently running in..
+	app.twitchClient.OnConnect(func() {
+		app.logger.Printf("Successfully connected to Twitch Servers in %s mode!", app.config.env)
+	})
+
+	// Join test channels
 	app.twitchClient.Join("nourylul")
 	app.twitchClient.Join("nourybot")
 
-	app.twitchClient.Say("nourylul", "xd")
-	app.twitchClient.Say("nourybot", "xd")
+	// Say hello because we are nice :^)
+	app.twitchClient.Say("nourylul", "RaccAttack")
+	app.twitchClient.Say("nourybot", "RaccAttack")
 
+	// Connect to the twitch IRC servers.
 	err = app.twitchClient.Connect()
 	if err != nil {
 		panic(err)

cmd/bot/whispermessage.go

@@ -0,0 +1,9 @@
+package main
+
+import "github.com/gempir/go-twitch-irc/v3"
+
+func (app *application) handleWhisperMessage(message twitch.WhisperMessage) {
+	// Print the whisper message for now.
+	// TODO: Implement a basic whisper handler.
+	app.logger.Printf("[#whisper]:%s: %s", message.User.DisplayName, message.Message)
+}