theme.js

const { SlashCommandBuilder } = require("discord.js");
const { parseTheme } = require("../TPS-Ninja/src");
const {
  getGameData,
  getTheme,
  isGameChannel,
  isGameOngoing,
  isPlayer,
  sendMessage,
  setTheme,
} = require("../util");
const handleRedraw = require("./redraw").execute;

module.exports = {
  data: new SlashCommandBuilder()
    .setName("theme")
    .setDescription("Get or set the theme for the current channel.")
    .addStringOption((option) =>
      option
        .setName("theme")
        .setDescription("Theme name or JSON")
        .setAutocomplete(true)
    ),
  async execute(interaction) {
    let theme = interaction.options.getString("theme");
    if (!isGameChannel(interaction)) {
      return sendMessage(interaction, "This isn't a game channel.", true);
    } else if (theme) {
      const gameData = getGameData(interaction);
      const isOngoing = isGameOngoing(interaction);
      if (!isPlayer(interaction.member.id, gameData)) {
        return sendMessage(
          interaction,
          `Only the ${
            isOngoing ? "current" : "previous"
          } players may change the theme.`,
          true
        );
      }

      try {
        parseTheme(theme);
      } catch (err) {
        console.error(err);
        return sendMessage(interaction, "Invalid theme", true);
      }
      if (setTheme(interaction, theme)) {
        if (!isGameOngoing(interaction)) {
          return sendMessage(interaction, "Theme set.", true);
        } else {
          handleRedraw(interaction);
        }
      }
    } else {
      theme = getTheme(interaction);
      return sendMessage(interaction, theme, true);
    }
  },
};