// https://discordjs.guide/creating-your-bot/command-deployment.html#guild-commands

import { REST, RESTGetAPIOAuth2CurrentApplicationResult, RESTPostAPIApplicationCommandsJSONBody, Routes } from "discord.js";
import { config } from "../src/index";
import requireDirectory from "require-directory";

import
  Command
, {
  ApplicationIntegrationType
, InteractionContextTypes
, InteractionTypeMap
} from "../src/command";

const post: RESTPostAPIApplicationCommandsJSONBody[] = [];

const guildId = process.argv.slice(2)[0];
const importedCommands = requireDirectory(module, "../src/commands");

function isGuildCommand(command: Command<keyof InteractionTypeMap>): boolean {
  // guild Commmand is when it's a guild install and context is guild (and these are defaults if not provided)
  return (command.integration_types?.includes(ApplicationIntegrationType.Guild_Install) ?? true)
    && (command.contexts?.includes(InteractionContextTypes.Guild) ?? true);
}

for (const obj in importedCommands) {
  try {
    const allExports = importedCommands[obj] as {default: unknown};
    const defaultExport = allExports.default;
    // eslint-disable-next-line @typescript-eslint/ban-ts-comment
    // @ts-expect-error
    const constructedExport = new defaultExport() as unknown;
    if (!(constructedExport instanceof Command)) throw new Error(`${obj}'s default does not extends Command`);
    if (guildId && guildId !== "" && isGuildCommand(constructedExport as Command<keyof InteractionTypeMap>)) {
      console.log(`Skipping ${obj} because it's not a guild command`);
      continue;
    }
    post.push(constructedExport.toRESTPostApplicationCommands());
  } catch (e) {
    console.error(e);
  }
}

const rest = new REST().setToken(config.tokens.Discord);

(async () => {
  const me = await rest.get(Routes.oauth2CurrentApplication()) as RESTGetAPIOAuth2CurrentApplicationResult;
  if (guildId && guildId !== "") {
    console.log(`Started refreshing ${post.length} application guild (${guildId}) commands.`);
    await rest.put(
      Routes.applicationGuildCommands(me.id, guildId),
      { body: post },
    );
    } else {
    console.log(`Started refreshing ${post.length} application global commands.`);
    await rest.put(
      Routes.applicationCommands(me.id),
      { body: post },
    );
  }
  console.log("Refreshed successfully");
  process.exit(0);
})().catch( e => {
  console.error(e);
  process.exit(1);
});