discordeno/src/helpers/interactions/send_interaction_response.ts

import type { DiscordenoInteractionResponse } from "../../types/discordeno/interaction_response.ts";
import type { Bot } from "../../bot.ts";
import { AllowedMentions } from "../../types/messages/allowed_mentions.ts";
import { DiscordMessageComponentTypes } from "../../types/messages/components/message_component_types.ts";

/**
 * Send a response to a users slash command. The command data will have the id and token necessary to respond.
 * Interaction `tokens` are valid for **15 minutes** and can be used to send followup messages.
 *
 * NOTE: By default we will suppress mentions. To enable mentions, just pass any mentions object.
 */
export async function sendInteractionResponse(
  bot: Bot,
  id: bigint,
  token: string,
  options: DiscordenoInteractionResponse
) {
  // TODO: add more options validations
  if (options.data?.components) bot.utils.validateComponents(bot, options.data?.components);

  // If the user wants this as a private message mark it ephemeral
  if (options.private) {
    options.data = { ...options.data, flags: 64 };
  }

  // If no mentions are provided, force disable mentions
  if (!options.data?.allowedMentions) {
    options.data = { ...options.data, allowedMentions: { parse: [] } };
  }

  const allowedMentions: AllowedMentions = options.data?.allowedMentions ? {
    parse: options.data?.allowedMentions.parse,
    repliedUser: options.data?.allowedMentions.repliedUser,
    users: options.data?.allowedMentions.users?.map(id => id.toString()),
    roles: options.data?.allowedMentions.roles?.map(id => id.toString()),
  } : { parse: [] };

  // If its already been executed, we need to send a followup response
  if (bot.cache.executedSlashCommands.has(token)) {
    return await bot.rest.runMethod(bot.rest, "post", bot.constants.endpoints.WEBHOOK(bot.applicationId, token), {
      type: options.type,
      data: {
        content: options.data.content,
        tts: options.data.tts,
        embeds: options.data.embeds?.map((embed) => ({
          title: embed.title,
          type: embed.type,
          description: embed.description,
          url: embed.url,
          timestamp: embed.timestamp,
          color: embed.color,
          footer: embed.footer
            ? {
                text: embed.footer.text,
                icon_url: embed.footer.iconUrl,
                proxy_icon_url: embed.footer.proxyIconUrl,
              }
            : undefined,
          image: embed.image
            ? {
                url: embed.image.url,
                proxy_url: embed.image.proxyUrl,
                height: embed.image.height,
                width: embed.image.width,
              }
            : undefined,
          thumbnail: embed.thumbnail
            ? {
                url: embed.thumbnail.url,
                proxy_url: embed.thumbnail.proxyUrl,
                height: embed.thumbnail.height,
                width: embed.thumbnail.width,
              }
            : undefined,
          video: embed.video
            ? {
                url: embed.video.url,
                proxy_url: embed.video.proxyUrl,
                height: embed.video.height,
                width: embed.video.width,
              }
            : undefined,
          provider: embed.provider,
          author: embed.author
            ? {
                name: embed.author.name,
                url: embed.author.url,
                icon_url: embed.author.iconUrl,
                proxy_icon_url: embed.author.proxyIconUrl,
              }
            : undefined,
          fields: embed.fields,
        })),
        allowed_mentions: {
          parse: allowedMentions.parse,
          roles: allowedMentions.roles,
          users: allowedMentions.users,
          replied_user: allowedMentions.repliedUser,
        },
        file: options.data.file,
        components: options.data.components?.map((component) => ({
          type: component.type,
          components: component.components.map((subcomponent) => {
            if (subcomponent.type === DiscordMessageComponentTypes.SelectMenu)
              return {
                type: subcomponent.type,
                custom_id: subcomponent.customId,
                placeholder: subcomponent.placeholder,
                min_values: subcomponent.minValues,
                max_values: subcomponent.maxValues,
                options: subcomponent.options.map((option) => ({
                  label: option.label,
                  value: option.value,
                  description: option.description,
                  emoji: option.emoji
                    ? {
                        id: option.emoji.id?.toString(),
                        name: option.emoji.name,
                        animated: option.emoji.animated,
                      }
                    : undefined,
                  default: option.default,
                })),
              };

            return {
              type: subcomponent.type,
              custom_id: subcomponent.customId,
              label: subcomponent.label,
              style: subcomponent.style,
              emoji: subcomponent.emoji
                ? {
                    id: subcomponent.emoji.id?.toString(),
                    name: subcomponent.emoji.name,
                    animated: subcomponent.emoji.animated,
                  }
                : undefined,
              url: subcomponent.url,
              disabled: subcomponent.disabled,
            };
          }),
        })),
        flags: options.data.flags,
      },
    });
  }

  // Expire in 15 minutes
  bot.cache.executedSlashCommands.add(token);
  setTimeout(() => {
    bot.events.debug(`Running setTimeout in send_interaction_response file.`);
    bot.cache.executedSlashCommands.delete(token);
  }, 900000);

  return await bot.rest.runMethod(
    bot.rest,
    "post",
    bot.constants.endpoints.INTERACTION_ID_TOKEN(typeof id === "bigint" ? id : bot.transformers.snowflake(id), token),
    {
      type: options.type,
      data: {
        content: options.data.content,
        tts: options.data.tts,
        embeds: options.data.embeds?.map((embed) => ({
          title: embed.title,
          type: embed.type,
          description: embed.description,
          url: embed.url,
          timestamp: embed.timestamp,
          color: embed.color,
          footer: embed.footer
            ? {
                text: embed.footer.text,
                icon_url: embed.footer.iconUrl,
                proxy_icon_url: embed.footer.proxyIconUrl,
              }
            : undefined,
          image: embed.image
            ? {
                url: embed.image.url,
                proxy_url: embed.image.proxyUrl,
                height: embed.image.height,
                width: embed.image.width,
              }
            : undefined,
          thumbnail: embed.thumbnail
            ? {
                url: embed.thumbnail.url,
                proxy_url: embed.thumbnail.proxyUrl,
                height: embed.thumbnail.height,
                width: embed.thumbnail.width,
              }
            : undefined,
          video: embed.video
            ? {
                url: embed.video.url,
                proxy_url: embed.video.proxyUrl,
                height: embed.video.height,
                width: embed.video.width,
              }
            : undefined,
          provider: embed.provider,
          author: embed.author
            ? {
                name: embed.author.name,
                url: embed.author.url,
                icon_url: embed.author.iconUrl,
                proxy_icon_url: embed.author.proxyIconUrl,
              }
            : undefined,
          fields: embed.fields,
        })),
        allowed_mentions: {
          parse: allowedMentions.parse,
          roles: allowedMentions.roles,
          users: allowedMentions.users,
          replied_user: allowedMentions.repliedUser,
        },
        file: options.data.file,
        components: options.data.components?.map((component) => ({
          type: component.type,
          components: component.components.map((subcomponent) => {
            if (subcomponent.type === DiscordMessageComponentTypes.SelectMenu)
              return {
                type: subcomponent.type,
                custom_id: subcomponent.customId,
                placeholder: subcomponent.placeholder,
                min_values: subcomponent.minValues,
                max_values: subcomponent.maxValues,
                options: subcomponent.options.map((option) => ({
                  label: option.label,
                  value: option.value,
                  description: option.description,
                  emoji: option.emoji
                    ? {
                        id: option.emoji.id?.toString(),
                        name: option.emoji.name,
                        animated: option.emoji.animated,
                      }
                    : undefined,
                  default: option.default,
                })),
              };

            return {
              type: subcomponent.type,
              custom_id: subcomponent.customId,
              label: subcomponent.label,
              style: subcomponent.style,
              emoji: subcomponent.emoji
                ? {
                    id: subcomponent.emoji.id?.toString(),
                    name: subcomponent.emoji.name,
                    animated: subcomponent.emoji.animated,
                  }
                : undefined,
              url: subcomponent.url,
              disabled: subcomponent.disabled,
            };
          }),
        })),
        flags: options.data.flags,
      },
    }
  );
}