Move code into main()

main.go

@@ -9,9 +9,6 @@ import (
 	"github.com/joho/godotenv"
 )
 
-// A Session represents a connection to the Discord API.
-var s *discordgo.Session
-
 /*
 /ping - The bot responds with "Pong!".
 */
@@ -36,14 +33,13 @@ var (
 	}
 )
 
-/*
-init() is automatically called when the package is initialized.
-It adds a handler function to the discordgo.Session that is triggered when a slash command is received.
-The handler function checks if the interaction's application command name exists in the commandHandlers map.
-If it does, it calls the corresponding function from the map with the session and interaction as arguments.
-*/
-func init() {
-	// Load .env file.
+func main() {
+	/*
+	   Load the .env file into the environment.
+
+	   You can create a .env file with the following contents:
+	   TOKEN=your-bot-token-here
+	*/
 	err := godotenv.Load()
 	if err != nil {
 		log.Fatalf("Cannot load .env file: %v", err)
@@ -56,28 +52,26 @@ func init() {
 	}
 
 	// Create a new Discord session using the provided bot token.
-	s, err = discordgo.New("Bot " + token)
+	session, err := discordgo.New("Bot " + token)
 	if err != nil {
 		log.Fatalf("Cannot create a new Discord session: %v", err)
 	}
 
 	// Add a handler function to the discordgo.Session that is triggered when a slash command is received.
-	s.AddHandler(func(s *discordgo.Session, i *discordgo.InteractionCreate) {
+	session.AddHandler(func(s *discordgo.Session, i *discordgo.InteractionCreate) {
 		if h, ok := commandHandlers[i.ApplicationCommandData().Name]; ok {
 			log.Printf("Handling '%v' command.", i.ApplicationCommandData().Name)
 			h(s, i)
 		}
 	})
-}
 
-func main() {
 	// Print the user we are logging in as.
-	s.AddHandler(func(s *discordgo.Session, _ *discordgo.Ready) {
+	session.AddHandler(func(s *discordgo.Session, _ *discordgo.Ready) {
 		log.Printf("Logged in as: %v#%v", s.State.User.Username, s.State.User.Discriminator)
 	})
 
 	// Open a websocket connection to Discord and begin listening.
-	err := s.Open()
+	err = session.Open()
 	if err != nil {
 		log.Fatalf("Cannot open the session: %v", err)
 	}
@@ -86,7 +80,7 @@ func main() {
 	log.Println("Adding commands...")
 	registeredCommands := make([]*discordgo.ApplicationCommand, len(commands))
 	for i, v := range commands {
-		cmd, err := s.ApplicationCommandCreate(s.State.User.ID, "341001473661992962", v)
+		cmd, err := session.ApplicationCommandCreate(session.State.User.ID, "341001473661992962", v)
 		if err != nil {
 			log.Panicf("Cannot create '%v' command: %v", v.Name, err)
 		}
@@ -95,7 +89,7 @@ func main() {
 	}
 
 	// Run s.Close() when the program exits.
-	defer s.Close()
+	defer session.Close()
 
 	// Wait here until CTRL-C or other term signal is received.
 	stop := make(chan os.Signal, 1)