feat: leveling system

internal/commands/commands.go

@@ -14,6 +14,7 @@ var AllCommands = []*discordgo.ApplicationCommand{
 	cmdlevel.LevelConfigCommand,
 	cmdlevel.RankCommand,
 	cmdlevel.LeaderboardCommand,
+	cmdlevel.RewardsCommand,
 }
 
 var handlers = map[string]func(s *discordgo.Session, i *discordgo.InteractionCreate){
@@ -22,6 +23,7 @@ var handlers = map[string]func(s *discordgo.Session, i *discordgo.InteractionCre
 	"slvl": cmdlevel.HandleLevelConfig,
 	"rank": cmdlevel.HandleRank,
 	"leaderboard": cmdlevel.HandleLeaderboard,
+	"rewards":     cmdlevel.HandleRewards,
 }
 
 func HandleInteraction(s *discordgo.Session, i *discordgo.InteractionCreate) {

internal/commands/level/helpers.go

@@ -0,0 +1,95 @@
+package level
+
+import (
+	"context"
+	"strconv"
+
+	"velox-bot/internal/db/services"
+
+	"github.com/bwmarrin/discordgo"
+)
+
+func respondEphemeral(s *discordgo.Session, i *discordgo.InteractionCreate, msg string) {
+	_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
+		Type: discordgo.InteractionResponseChannelMessageWithSource,
+		Data: &discordgo.InteractionResponseData{
+			Content: msg,
+			Flags:   discordgo.MessageFlagsEphemeral,
+		},
+	})
+}
+
+func requireGuild(s *discordgo.Session, i *discordgo.InteractionCreate) bool {
+	if i.GuildID == "" {
+		respondEphemeral(s, i, "This command can only be used in a server.")
+		return false
+	}
+	return true
+}
+
+func requireManageGuild(s *discordgo.Session, i *discordgo.InteractionCreate) bool {
+	if i.Member == nil || (i.Member.Permissions&discordgo.PermissionManageGuild) == 0 {
+		respondEphemeral(s, i, "You don't have permission to manage leveling settings.")
+		return false
+	}
+	return true
+}
+
+func requireLevelServices(s *discordgo.Session, i *discordgo.InteractionCreate) bool {
+	if services.Global == nil || services.Global.Level == nil || services.Global.LevelSettings == nil {
+		respondEphemeral(s, i, "Leveling service is not available.")
+		return false
+	}
+	return true
+}
+
+func requireLevelSettingsService(s *discordgo.Session, i *discordgo.InteractionCreate) bool {
+	if services.Global == nil || services.Global.LevelSettings == nil {
+		respondEphemeral(s, i, "Leveling service is not available.")
+		return false
+	}
+	return true
+}
+
+func parseGuildID(s *discordgo.Session, i *discordgo.InteractionCreate) (int64, bool) {
+	guildID, err := strconv.ParseInt(i.GuildID, 10, 64)
+	if err != nil {
+		respondEphemeral(s, i, "Invalid guild ID.")
+		return 0, false
+	}
+	return guildID, true
+}
+
+func requireLevelSystemEnabled(s *discordgo.Session, i *discordgo.InteractionCreate) bool {
+	if !requireLevelSettingsService(s, i) {
+		return false
+	}
+	guildID, ok := parseGuildID(s, i)
+	if !ok {
+		return false
+	}
+	enabled, err := services.Global.LevelSettings.IsLevelSystemEnabled(context.Background(), guildID)
+	if err != nil {
+		respondEphemeral(s, i, "Failed to load leveling settings.")
+		return false
+	}
+	if !enabled {
+		respondEphemeral(s, i, "Leveling system is disabled on this server. Use /slvl toggle to enable it.")
+		return false
+	}
+	return true
+}
+
+func subcommandOptionMap(i *discordgo.InteractionCreate) map[string]*discordgo.ApplicationCommandInteractionDataOption {
+	data := i.ApplicationCommandData()
+	if len(data.Options) == 0 {
+		return map[string]*discordgo.ApplicationCommandInteractionDataOption{}
+	}
+	opts := data.Options[0].Options
+	m := make(map[string]*discordgo.ApplicationCommandInteractionDataOption, len(opts))
+	for _, opt := range opts {
+		m[opt.Name] = opt
+	}
+	return m
+}
+

internal/commands/level/level.go

@@ -30,15 +30,18 @@ var LeaderboardCommand = &discordgo.ApplicationCommand{
 	Description: "Top 10 levels in this server",
 }
 
+var RewardsCommand = &discordgo.ApplicationCommand{
+	Name:        "rewards",
+	Description: "View level rewards in this server",
+}
+
 func HandleRank(s *discordgo.Session, i *discordgo.InteractionCreate) {
-	if services.Global == nil || services.Global.Level == nil {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Leveling service is not available.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+	if !requireLevelServices(s, i) {
+		return
+	}
+
+	if i.GuildID != "" && !requireLevelSystemEnabled(s, i) {
+		respondEphemeral(s, i, "Leveling system is disabled on this server.")
 		return
 	}
 
@@ -58,18 +61,20 @@ func HandleRank(s *discordgo.Session, i *discordgo.InteractionCreate) {
 		return
 	}
 
-	guildID, err := strconv.ParseInt(i.GuildID, 10, 64)
-	if err != nil {
+	guildID, ok := parseGuildID(s, i)
+	if !ok {
 		return
 	}
 	userID, err := strconv.ParseInt(target.ID, 10, 64)
 	if err != nil {
+		respondEphemeral(s, i, "Invalid user ID.")
 		return
 	}
 
 	ctx := context.Background()
 	lvl, err := services.Global.Level.GetLevel(ctx, guildID, userID)
 	if err != nil {
+		respondEphemeral(s, i, "Failed to load level.")
 		return
 	}
 
@@ -84,13 +89,7 @@ func HandleRank(s *discordgo.Session, i *discordgo.InteractionCreate) {
 		Avatar:  avatarURL,
 	})
 	if err != nil {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Failed to render rank card.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+		respondEphemeral(s, i, "Failed to render rank card.")
 		return
 	}
 
@@ -108,61 +107,31 @@ func HandleRank(s *discordgo.Session, i *discordgo.InteractionCreate) {
 }
 
 func HandleLeaderboard(s *discordgo.Session, i *discordgo.InteractionCreate) {
-	if i.GuildID == "" {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "This command can only be used in a server.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+	if !requireGuild(s, i) {
 		return
 	}
 
-	if services.Global == nil || services.Global.Level == nil {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Leveling service is not available.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+	if !requireLevelServices(s, i) {
 		return
 	}
 
-	guildID, err := strconv.ParseInt(i.GuildID, 10, 64)
-	if err != nil {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Invalid guild ID.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+	guildID, ok := parseGuildID(s, i)
+	if !ok {
 		return
 	}
 
 	ctx := context.Background()
+	if !requireLevelSystemEnabled(s, i) {
+		return
+	}
 	top, err := services.Global.Level.TopLevels(ctx, guildID, 10)
 	if err != nil {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Failed to load leaderboard.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+		respondEphemeral(s, i, "Failed to load leaderboard.")
 		return
 	}
 
 	if len(top) == 0 {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "No leaderboard data yet.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+		respondEphemeral(s, i, "No leaderboard data yet.")
 		return
 	}
 
@@ -194,3 +163,56 @@ func HandleLeaderboard(s *discordgo.Session, i *discordgo.InteractionCreate) {
 		},
 	})
 }
+
+func HandleRewards(s *discordgo.Session, i *discordgo.InteractionCreate) {
+	if !requireGuild(s, i) {
+		return
+	}
+
+	if !requireLevelSettingsService(s, i) {
+		return
+	}
+
+	guildID, ok := parseGuildID(s, i)
+	if !ok {
+		return
+	}
+
+	ctx := context.Background()
+	if !requireLevelSystemEnabled(s, i) {
+		return
+	}
+	rewards, err := services.Global.LevelSettings.ListRoleRewards(ctx, guildID, 25)
+	if err != nil {
+		respondEphemeral(s, i, "Failed to load rewards.")
+		return
+	}
+
+	if len(rewards) == 0 {
+		respondEphemeral(s, i, "No rewards configured yet.")
+		return
+	}
+
+	fields := make([]*discordgo.MessageEmbedField, 0, len(rewards))
+	for _, r := range rewards {
+		fields = append(fields, &discordgo.MessageEmbedField{
+			Name:   fmt.Sprintf("Level %d", r.Level),
+			Value:  fmt.Sprintf("<@&%d>", r.RoleID),
+			Inline: true,
+		})
+	}
+
+	embed := &discordgo.MessageEmbed{
+		Title:       "Level Rewards",
+		Description: "Roles granted when you reach a level.",
+		Fields:      fields,
+		Color:       0xF59E0B,
+	}
+
+	s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
+		Type: discordgo.InteractionResponseChannelMessageWithSource,
+		Data: &discordgo.InteractionResponseData{
+			Embeds: []*discordgo.MessageEmbed{embed},
+		},
+	})
+}

internal/commands/level/level_config.go

@@ -102,63 +102,29 @@ func HandleLevelConfig(s *discordgo.Session, i *discordgo.InteractionCreate) {
 	case "set-reward":
 		HandleLevelSetReward(s, i)
 	default:
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Invalid subcommand.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+		respondEphemeral(s, i, "Invalid subcommand.")
 	}
 
 }
 
 func HandleLevelToggle(s *discordgo.Session, i *discordgo.InteractionCreate) {
-	// Basic permission check: require Manage Guild permission
-	if i.Member == nil || (i.Member.Permissions&discordgo.PermissionManageGuild) == 0 {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "You don't have permission to manage leveling settings.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+	if !requireManageGuild(s, i) {
 		return
 	}
 
-	if services.Global == nil || services.Global.LevelSettings == nil {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Leveling service is not available.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+	if !requireLevelSettingsService(s, i) {
 		return
 	}
 
 	ctx := context.Background()
-	guildID, err := strconv.ParseInt(i.GuildID, 10, 64)
-	if err != nil {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Invalid guild ID.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+	guildID, ok := parseGuildID(s, i)
+	if !ok {
 		return
 	}
 
 	enabled, err := services.Global.LevelSettings.ToggleLevelSystem(ctx, guildID)
 	if err != nil {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Failed to toggle leveling system.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+		respondEphemeral(s, i, "Failed to toggle leveling system.")
 		return
 	}
 
@@ -167,294 +133,131 @@ func HandleLevelToggle(s *discordgo.Session, i *discordgo.InteractionCreate) {
 		status = "enabled"
 	}
 
-	s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-		Type: discordgo.InteractionResponseChannelMessageWithSource,
-		Data: &discordgo.InteractionResponseData{
-			Content: "Leveling system " + status + " for this server.",
-			Flags:   discordgo.MessageFlagsEphemeral,
-		},
-	})
+	respondEphemeral(s, i, "Leveling system "+status+" for this server.")
 }
 
 func HandleLevelSet(s *discordgo.Session, i *discordgo.InteractionCreate) {
-	// Basic permission check: require Manage Guild permission
-	if i.Member == nil || (i.Member.Permissions&discordgo.PermissionManageGuild) == 0 {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "You don't have permission to manage leveling settings.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+	if !requireManageGuild(s, i) || !requireLevelSystemEnabled(s, i) {
 		return
 	}
 
-	// check if the leveling service is available
 	if services.Global == nil || services.Global.Level == nil {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Leveling service is not available.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+		respondEphemeral(s, i, "Leveling service is not available.")
 		return
 	}
 
-	data := i.ApplicationCommandData()
-	optMap := make(map[string]*discordgo.ApplicationCommandInteractionDataOption, len(data.Options[0].Options))
-	for _, opt := range data.Options[0].Options {
-		optMap[opt.Name] = opt
-	}
+	optMap := subcommandOptionMap(i)
 
 	userOpt, ok := optMap["user"]
 	if !ok {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Missing user option.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+		respondEphemeral(s, i, "Missing user option.")
 		return
 	}
 
 	levelOpt, ok := optMap["level"]
 	if !ok {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Missing level option.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+		respondEphemeral(s, i, "Missing level option.")
 		return
 	}
 
 	targetUser := userOpt.UserValue(s)
 	if targetUser == nil {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Invalid user.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+		respondEphemeral(s, i, "Invalid user.")
 		return
 	}
 
 	// prevent setting bots (including ourselves)
 	if targetUser.Bot {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "You can't set a bot's level.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+		respondEphemeral(s, i, "You can't set a bot's level.")
 		return
 	}
 
 	newLevel := int(levelOpt.IntValue())
 
 	ctx := context.Background()
-	guildID, err := strconv.ParseInt(i.GuildID, 10, 64)
-	if err != nil {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Invalid guild ID.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+	guildID, ok := parseGuildID(s, i)
+	if !ok {
 		return
 	}
 
 	userID, err := strconv.ParseInt(targetUser.ID, 10, 64)
 	if err != nil {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Invalid user ID.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+		respondEphemeral(s, i, "Invalid user ID.")
 		return
 	}
 
 	err = services.Global.Level.SetLevel(ctx, guildID, userID, newLevel)
 	if err != nil {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Failed to set level.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+		respondEphemeral(s, i, "Failed to set level.")
 		return
 	}
 
-	s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-		Type: discordgo.InteractionResponseChannelMessageWithSource,
-		Data: &discordgo.InteractionResponseData{
-			Content: "Level set to " + strconv.Itoa(newLevel) + " for " + targetUser.Mention() + ".",
-			Flags:   discordgo.MessageFlagsEphemeral,
-		},
-	})
+	respondEphemeral(s, i, "Level set to "+strconv.Itoa(newLevel)+" for "+targetUser.Mention()+".")
 }
 
 func HandleLevelSetChannel(s *discordgo.Session, i *discordgo.InteractionCreate) {
-	// Basic permission check: require Manage Guild permission
-	if i.Member == nil || (i.Member.Permissions&discordgo.PermissionManageGuild) == 0 {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "You don't have permission to manage leveling settings.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+	if !requireManageGuild(s, i) || !requireLevelSystemEnabled(s, i) {
 		return
 	}
 
-	// check if the leveling service is available
-	if services.Global == nil || services.Global.Level == nil {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Leveling service is not available.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+	if !requireLevelSettingsService(s, i) {
 		return
 	}
 
-	guildID, err := strconv.ParseInt(i.GuildID, 10, 64)
-	if err != nil {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Invalid guild ID.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+	guildID, ok := parseGuildID(s, i)
+	if !ok {
 		return
 	}
 
-	data := i.ApplicationCommandData()
-	optMap := make(map[string]*discordgo.ApplicationCommandInteractionDataOption, len(data.Options[0].Options))
-	for _, opt := range data.Options[0].Options {
-		optMap[opt.Name] = opt
-	}
+	optMap := subcommandOptionMap(i)
 
 	channelOpt, ok := optMap["channel"]
 	if !ok {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Missing channel option.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+		respondEphemeral(s, i, "Missing channel option.")
 		return
 	}
 
 	channelID := channelOpt.ChannelValue(s)
 	if channelID == nil {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Invalid channel.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+		respondEphemeral(s, i, "Invalid channel.")
 		return
 	}
 
 	ctx := context.Background()
 	channelIDInt, err := strconv.ParseInt(channelID.ID, 10, 64)
 	if err != nil {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Invalid channel ID.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+		respondEphemeral(s, i, "Invalid channel ID.")
 		return
 	}
 
 	err = services.Global.LevelSettings.SetLevelUpChannel(ctx, guildID, channelIDInt)
 	if err != nil {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Failed to set level up channel.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+		respondEphemeral(s, i, "Failed to set level up channel.")
+		return
 	}
 
-	s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-		Type: discordgo.InteractionResponseChannelMessageWithSource,
-		Data: &discordgo.InteractionResponseData{
-			Content: "Level up channel set to " + channelID.Mention() + ".",
-			Flags:   discordgo.MessageFlagsEphemeral,
-		},
-	})
+	respondEphemeral(s, i, "Level up channel set to "+channelID.Mention()+".")
 }
 
 func HandleLevelSetMessage(s *discordgo.Session, i *discordgo.InteractionCreate) {
-	// Basic permission check: require Manage Guild permission
-	if i.Member == nil || (i.Member.Permissions&discordgo.PermissionManageGuild) == 0 {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "You don't have permission to manage leveling settings.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+	if !requireManageGuild(s, i) || !requireLevelSystemEnabled(s, i) {
 		return
 	}
 
-	// check if the leveling service is available
-	if services.Global == nil || services.Global.Level == nil {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Leveling service is not available.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+	if !requireLevelSettingsService(s, i) {
 		return
 	}
 
-	guildID, err := strconv.ParseInt(i.GuildID, 10, 64)
-	if err != nil {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Invalid guild ID.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+	guildID, ok := parseGuildID(s, i)
+	if !ok {
 		return
 	}
 
-	data := i.ApplicationCommandData()
-	optMap := make(map[string]*discordgo.ApplicationCommandInteractionDataOption, len(data.Options[0].Options))
-	for _, opt := range data.Options[0].Options {
-		optMap[opt.Name] = opt
-	}
+	optMap := subcommandOptionMap(i)
 
 	messageOpt, ok := optMap["message"]
 	if !ok {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Missing message option.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+		respondEphemeral(s, i, "Missing message option.")
 		return
 	}
 
@@ -464,134 +267,60 @@ func HandleLevelSetMessage(s *discordgo.Session, i *discordgo.InteractionCreate)
 	}
 
 	ctx := context.Background()
-	err = services.Global.LevelSettings.SetLevelUpMessage(ctx, guildID, message)
+	err := services.Global.LevelSettings.SetLevelUpMessage(ctx, guildID, message)
 	if err != nil {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Failed to set level up channel.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+		respondEphemeral(s, i, "Failed to set level up message.")
+		return
 	}
 
-	s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-		Type: discordgo.InteractionResponseChannelMessageWithSource,
-		Data: &discordgo.InteractionResponseData{
-			Content: "Level up message set to " + message + ".",
-			Flags:   discordgo.MessageFlagsEphemeral,
-		},
-	})
+	respondEphemeral(s, i, "Level up message set.")
 }
 
 func HandleLevelSetReward(s *discordgo.Session, i *discordgo.InteractionCreate) {
-	// Basic permission check: require Manage Guild permission
-	if i.Member == nil || (i.Member.Permissions&discordgo.PermissionManageGuild) == 0 {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "You don't have permission to manage leveling settings.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+	if !requireManageGuild(s, i) || !requireLevelSystemEnabled(s, i) {
 		return
 	}
 
-	// check if the leveling service is available
-	if services.Global == nil || services.Global.LevelSettings == nil {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Leveling service is not available.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+	if !requireLevelSettingsService(s, i) {
 		return
 	}
 
-	guildID, err := strconv.ParseInt(i.GuildID, 10, 64)
-	if err != nil {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Invalid guild ID.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+	guildID, ok := parseGuildID(s, i)
+	if !ok {
 		return
 	}
 
-	data := i.ApplicationCommandData()
-	optMap := make(map[string]*discordgo.ApplicationCommandInteractionDataOption, len(data.Options[0].Options))
-	for _, opt := range data.Options[0].Options {
-		optMap[opt.Name] = opt
-	}
+	optMap := subcommandOptionMap(i)
 
 	levelOpt, ok := optMap["level"]
 	if !ok {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Missing level option.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+		respondEphemeral(s, i, "Missing level option.")
 		return
 	}
 	roleOpt, ok := optMap["role"]
 	if !ok {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Missing role option.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+		respondEphemeral(s, i, "Missing role option.")
 		return
 	}
 
 	level := int(levelOpt.IntValue())
 	role := roleOpt.RoleValue(s, i.GuildID)
 	if role == nil {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Invalid role.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+		respondEphemeral(s, i, "Invalid role.")
 		return
 	}
 
 	roleID, err := strconv.ParseInt(role.ID, 10, 64)
 	if err != nil {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Invalid role ID.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+		respondEphemeral(s, i, "Invalid role ID.")
 		return
 	}
 
 	ctx := context.Background()
 	if err := services.Global.LevelSettings.SetRoleRewardForLevel(ctx, guildID, level, roleID); err != nil {
-		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-			Type: discordgo.InteractionResponseChannelMessageWithSource,
-			Data: &discordgo.InteractionResponseData{
-				Content: "Failed to set reward.",
-				Flags:   discordgo.MessageFlagsEphemeral,
-			},
-		})
+		respondEphemeral(s, i, "Failed to set reward.")
 		return
 	}
 
-	s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-		Type: discordgo.InteractionResponseChannelMessageWithSource,
-		Data: &discordgo.InteractionResponseData{
-			Content: "Reward set: level " + strconv.Itoa(level) + " -> " + role.Mention(),
-			Flags:   discordgo.MessageFlagsEphemeral,
-		},
-	})
+	respondEphemeral(s, i, "Reward set: level "+strconv.Itoa(level)+" -> "+role.Mention())
 }