add http api

go.mod

@@ -3,7 +3,7 @@ module git.sunturtle.xyz/zephyr/horsebot
 go 1.24.1
 
 require (
-	git.sunturtle.xyz/zephyr/horse v0.0.0-20260116044610-b0c555f547e4
+	git.sunturtle.xyz/zephyr/horse v0.0.0-20260117063336-b22b77c53578
 	github.com/disgoorg/disgo v0.19.0-rc.15
 )
 

go.sum

@@ -1,5 +1,5 @@
-git.sunturtle.xyz/zephyr/horse v0.0.0-20260116044610-b0c555f547e4 h1:YJEGZG/EnxE5Tr6EZMGxikXDF6QKKHrH9Bp1dLoWXkk=
+git.sunturtle.xyz/zephyr/horse v0.0.0-20260117063336-b22b77c53578 h1:FI54vRfCtesXfcwi4oHo86nB/x/2T+ZrZvyFVKiQSYA=
-git.sunturtle.xyz/zephyr/horse v0.0.0-20260116044610-b0c555f547e4/go.mod h1:qGXO/93EfCOI1oGSLqrRkPDF/EAdsgLNZJjRKx+i4Lk=
+git.sunturtle.xyz/zephyr/horse v0.0.0-20260117063336-b22b77c53578/go.mod h1:qGXO/93EfCOI1oGSLqrRkPDF/EAdsgLNZJjRKx+i4Lk=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/disgoorg/disgo v0.19.0-rc.15 h1:x0NsV2gcbdjwuztsg2wYXw76p1Cpc8f6ByDrkPcfQtU=

main.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"context"
 	"flag"
+	"fmt"
 	"log/slog"
 	"os"
 	"os/signal"
@@ -18,20 +19,41 @@ import (
 	"github.com/disgoorg/disgo/discord"
 	"github.com/disgoorg/disgo/handler"
 	"github.com/disgoorg/disgo/handler/middleware"
+	"github.com/disgoorg/disgo/httpserver"
 	"github.com/disgoorg/disgo/rest"
 )
 
 func main() {
 	var (
-		appID     string
-		pubkey    string
 		tokenFile string
+		// http api options
+		addr   string
+		route  string
+		pubkey string
+		// logging options
+		level   slog.Level
+		textfmt string
 	)
-	flag.StringVar(&appID, "id", "", "Discord application ID")
-	flag.StringVar(&pubkey, "key", "", "Discord public key")
 	flag.StringVar(&tokenFile, "token", "", "`file` containing the Discord bot token")
+	flag.StringVar(&addr, "http", "", "`address` to bind HTTP API server")
+	flag.StringVar(&route, "route", "/interactions/callback", "`path` to serve HTTP API calls")
+	flag.StringVar(&pubkey, "key", "", "Discord public key")
+	flag.TextVar(&level, "log", slog.LevelInfo, "slog logging `level`")
+	flag.StringVar(&textfmt, "log-format", "text", "slog logging `format`, text or json")
 	flag.Parse()
 
+	var lh slog.Handler
+	switch textfmt {
+	case "text":
+		lh = slog.NewTextHandler(os.Stderr, &slog.HandlerOptions{Level: level})
+	case "json":
+		lh = slog.NewJSONHandler(os.Stderr, &slog.HandlerOptions{Level: level})
+	default:
+		fmt.Fprintf(os.Stderr, "invalid log format %q, must be text or json", textfmt)
+		os.Exit(1)
+	}
+	slog.SetDefault(slog.New(lh))
+
 	token, err := os.ReadFile(tokenFile)
 	if err != nil {
 		slog.Error("reading token", slog.Any("err", err))
@@ -48,11 +70,28 @@ func main() {
 	r.Route("/skill", func(r handler.Router) {
 		r.SlashCommand("/", skillHandler)
 		r.Autocomplete("/", skillAutocomplete)
-		// TODO(zeph): button handler
+		r.ButtonComponent("/{id}", skillButton)
 	})
 
-	slog.Info("connect", slog.String("disgo", disgo.Version))
+	opts := []bot.ConfigOpt{bot.WithDefaultGateway(), bot.WithEventListeners(r)}
-	client, err := disgo.New(string(token), bot.WithDefaultGateway(), bot.WithEventListeners(r))
+	if addr != "" {
+		if pubkey == "" {
+			slog.Error("Discord public key must be provided when using HTTP API")
+			os.Exit(1)
+		}
+		opts = append(opts, bot.WithHTTPServerConfigOpts(pubkey,
+			httpserver.WithAddress(addr),
+			httpserver.WithURL(route),
+		))
+	}
+
+	slog.Info("connect",
+		slog.String("disgo", disgo.Version),
+		slog.Bool("http", addr != ""),
+		slog.String("address", addr),
+		slog.String("route", route),
+	)
+	client, err := disgo.New(string(token), opts...)
 	if err != nil {
 		slog.Error("building bot", slog.Any("err", err))
 		os.Exit(1)
@@ -94,15 +133,14 @@ var commands = []discord.ApplicationCommandCreate{
 func skillHandler(data discord.SlashCommandInteractionData, e *handler.CommandEvent) error {
 	q := data.String("query")
 	id, err := strconv.ParseInt(q, 10, 32)
-	var s horse.Skill
 	if err == nil {
 		// note inverted condition; this is when we have an id
-		s = global.AllSkills[horse.SkillID(id)]
+		id = int64(global.AllSkills[horse.SkillID(id)].ID)
 	}
-	if s.ID == 0 {
+	if id == 0 {
 		// Either we weren't given a number or the number doesn't match any skill ID.
-		id, ok := global.SkillNameToID[q]
+		v := global.SkillNameToID[q]
-		if !ok {
+		if v == 0 {
 			// No such skill.
 			m := discord.MessageCreate{
 				Content: "No such skill.",
@@ -110,11 +148,11 @@ func skillHandler(data discord.SlashCommandInteractionData, e *handler.CommandEv
 			}
 			return e.CreateMessage(m)
 		}
-		s = global.AllSkills[id]
+		id = int64(v)
 	}
 	// TODO(zeph): search conditions and effects, give a list
 	m := discord.MessageCreate{
-		Components: []discord.LayoutComponent{RenderSkill(s)},
+		Components: []discord.LayoutComponent{RenderSkill(horse.SkillID(id), global.AllSkills, global.SkillGroups)},
 		Flags:      discord.MessageFlagIsComponentsV2,
 	}
 	return e.CreateMessage(m)
@@ -133,3 +171,18 @@ func skillAutocomplete(e *handler.AutocompleteEvent) error {
 	}
 	return e.AutocompleteResult(r)
 }
+
+func skillButton(data discord.ButtonInteractionData, e *handler.ComponentEvent) error {
+	id, err := strconv.ParseInt(e.Vars["id"], 10, 32)
+	if err != nil {
+		m := discord.MessageCreate{
+			Content: "That button produced an invalid skill ID. That's not supposed to happen.",
+			Flags:   discord.MessageFlagEphemeral,
+		}
+		return e.CreateMessage(m)
+	}
+	m := discord.MessageUpdate{
+		Components: &[]discord.LayoutComponent{RenderSkill(horse.SkillID(id), global.AllSkills, global.SkillGroups)},
+	}
+	return e.UpdateMessage(m)
+}

skill.go

@@ -8,54 +8,45 @@ import (
 	"github.com/disgoorg/disgo/discord"
 )
 
-func RenderSkill(s horse.Skill) discord.ContainerComponent {
+func RenderSkill(id horse.SkillID, all map[horse.SkillID]horse.Skill, groups map[int32][4]horse.SkillID) discord.ContainerComponent {
-	skilltype := discord.TextDisplayComponent{
+	s, ok := all[id]
-		ID:      4,
+	if !ok {
-		Content: "Skill Issue",
+		return discord.NewContainer(discord.NewTextDisplayf("invalid skill ID %v made it to RenderSkill", id))
-	}
-	r := discord.ContainerComponent{
-		ID: 1, // specify ids so we guarantee we don't get collisions with related skill buttons
-		Components: []discord.ContainerSubComponent{
-			discord.SectionComponent{
-				ID: 2,
-				Components: []discord.SectionSubComponent{
-					discord.TextDisplayComponent{
-						ID:      3,
-						Content: "## " + s.Name + "\n" + s.Description,
-					},
-					&skilltype, // doing something evil :)
-				},
-				Accessory: discord.NewThumbnail(fmt.Sprintf("https://gametora.com/images/umamusume/skill_icons/utx_ico_skill_%d.png", s.IconID)),
-			},
-		},
 	}
+
+	thumburl := fmt.Sprintf("https://gametora.com/images/umamusume/skill_icons/utx_ico_skill_%d.png", s.IconID)
+	r := discord.NewContainer(discord.NewSection(discord.NewTextDisplayf("## %s\n%s", s.Name, s.Description)).WithAccessory(discord.NewThumbnail(thumburl)))
+	var skilltype string
 	switch {
 	case s.Rarity == 3, s.Rarity == 4, s.Rarity == 5:
 		// unique of various star levels
 		r.AccentColor = 0xaca4d4
-		skilltype.Content = "Unique Skill"
+		skilltype = "Unique Skill"
 	case s.Rarity == 2:
 		// rare (gold)
 		r.AccentColor = 0xd7c25b
-		skilltype.Content = "Rare Skill"
+		skilltype = "Rare Skill"
 	case s.GroupRate == -1:
 		// negative (purple) skill
 		r.AccentColor = 0x9151d4
-		skilltype.Content = "Negative Skill"
+		skilltype = "Negative Skill"
 	case !s.WitCheck:
 		// should be passive (green)
 		r.AccentColor = 0x66ae1c
-		skilltype.Content = "Passive Skill"
+		skilltype = "Passive Skill"
-	// TODO(zeph): debuff (red)
+	case isDebuff(s):
+		// debuff (red)
+		r.AccentColor = 0xe34747
+		skilltype = "Debuff Skill"
 	case s.Rarity == 1:
 		// common (white)
 		r.AccentColor = 0xcccccc
-		skilltype.Content = "Common Skill"
+		skilltype = "Common Skill"
 	}
-	r.Components = append(r.Components, discord.SeparatorComponent{ID: 5, Spacing: discord.SeparatorSpacingSizeSmall})
+	r.Components = append(r.Components, discord.NewSmallSeparator())
 	text := make([]string, 0, 3)
 	abils := make([]string, 0, 3)
-	for i, act := range s.Activations {
+	for _, act := range s.Activations {
 		text, abils = text[:0], abils[:0]
 		if act.Precondition != "" {
 			text = append(text, "Precondition: "+formatCondition(act.Precondition))
@@ -70,27 +61,36 @@ func RenderSkill(s horse.Skill) discord.ContainerComponent {
 		case act.Duration >= 500e4:
 			t = "Permanent "
 		default:
-			t = act.Duration.String() + "s "
+			t = "For " + act.Duration.String() + "s, "
 		}
 		for _, a := range act.Abilities {
 			abils = append(abils, a.String())
 		}
 		t += strings.Join(abils, ", ")
-		if act.Cooldown < 500e4 {
+		if act.Cooldown > 0 && act.Cooldown < 500e4 {
 			t += " on " + act.Cooldown.String() + "s cooldown"
 		}
 		text = append(text, t)
-		r.Components = append(r.Components, discord.TextDisplayComponent{
+		r.Components = append(r.Components, discord.NewTextDisplay(strings.Join(text, "\n")))
-			ID:      10 + i,
+	}
-			Content: strings.Join(text, "\n"),
+	r.Components = append(r.Components, discord.NewSmallSeparator(), discord.NewTextDisplayf("%s ・ SP cost %d ・ Grade value %d", skilltype, s.SPCost, s.GradeValue))
-		})
+	rel := make([]horse.Skill, 0, 4)
+	for _, id := range groups[s.Group] {
+		if id != 0 {
+			rel = append(rel, all[id])
+		}
+	}
+	if len(rel) > 1 {
+		buttons := make([]discord.InteractiveComponent, 0, 4)
+		for _, rs := range rel {
+			b := discord.NewSecondaryButton(rs.Name, fmt.Sprintf("/skill/%d", rs.ID))
+			if rs.ID == id {
+				b = b.AsDisabled()
+			}
+			buttons = append(buttons, b)
+		}
+		r.Components = append(r.Components, discord.NewActionRow(buttons...))
 	}
-	r.Components = append(r.Components, discord.SeparatorComponent{ID: 50, Spacing: discord.SeparatorSpacingSizeSmall})
-	r.Components = append(r.Components, discord.TextDisplayComponent{
-		ID:      51,
-		Content: fmt.Sprintf("SP cost %d. Grade value %d.", s.SPCost, s.GradeValue),
-	})
-	// TODO(zeph): related skills, use a row of buttons with skill numbers for the ids and edit the message when clicked?
 	return r
 }
 
@@ -102,6 +102,17 @@ func formatCondition(s string) string {
 	return "`" + s + "`"
 }
 
+func isDebuff(s horse.Skill) bool {
+	for _, act := range s.Activations {
+		for _, a := range act.Abilities {
+			if a.Value < 0 {
+				return true
+			}
+		}
+	}
+	return false
+}
+
 // TODO(zeph): autocomplete
 // if we want to backgroundify construction of an autocomplete map,
 // use sync.OnceValue and launch a goroutine in main to get the value and discard it