feat: core chunk 6

src/core/discord/autocompleteUsername.ts

@@ -0,0 +1,29 @@
+import {
+  ApplicationCommandOptionChoiceData,
+  AutocompleteInteraction,
+  CacheType,
+} from 'discord.js';
+import { REGION_NAMES } from '../../constants/regions';
+import searchPlayersAcrossRegions from '../blitz/searchPlayersAcrossRegions';
+
+export default async function autocompleteUsername(
+  interaction: AutocompleteInteraction<CacheType>,
+) {
+  const focusedOption = interaction.options.getFocused(true);
+  if (focusedOption.name !== 'username') return;
+  const players = await searchPlayersAcrossRegions(focusedOption.value);
+
+  try {
+    await interaction.respond(
+      players
+        ? players.map(
+            (player) =>
+              ({
+                name: `${player.nickname} (${REGION_NAMES[player.region]})`,
+                value: `${player.region}/${player.account_id}`,
+              }) satisfies ApplicationCommandOptionChoiceData<string>,
+          )
+        : [],
+    );
+  } catch (error) {}
+}