package main

import (
	"log/slog"

	"github.com/disgoorg/disgo/discord"
	"github.com/disgoorg/disgo/handler"
)

func logMiddleware(next handler.Handler) handler.Handler {
	return func(e *handler.InteractionEvent) error {
		var msg string
		attrs := make([]slog.Attr, 0, 8)
		attrs = append(attrs,
			slog.Uint64("interaction", uint64(e.Interaction.ID())),
			slog.Uint64("user", uint64(e.Interaction.User().ID)),
		)
		if guild := e.Interaction.GuildID(); guild != nil {
			attrs = append(attrs, slog.String("guild", guild.String()))
		}
		switch i := e.Interaction.(type) {
		case discord.ApplicationCommandInteraction:
			msg = "command"
			attrs = append(attrs,
				slog.String("name", i.Data.CommandName()),
				slog.Int("type", int(i.Data.Type())),
			)
			switch data := i.Data.(type) {
			case discord.SlashCommandInteractionData:
				attrs = append(attrs, slog.String("path", data.CommandPath()))
			}

		case discord.AutocompleteInteraction:
			msg = "autocomplete"
			attrs = append(attrs,
				slog.String("name", i.Data.CommandName),
				slog.String("path", i.Data.CommandPath()),
				slog.String("focus", i.Data.Focused().Name),
			)

		case discord.ComponentInteraction:
			msg = "component"
			attrs = append(attrs,
				slog.Int("type", int(i.Data.Type())),
				slog.String("custom", i.Data.CustomID()),
			)

		default:
			slog.WarnContext(e.Ctx, "unknown interaction", slog.Any("event", e))
			return nil
		}
		slog.LogAttrs(e.Ctx, slog.LevelInfo, msg, attrs...)
		return next(e)
	}
}