import { ChatInputCommandInteraction } from "discord.js";
import { cfg, saveConfig } from "@systems/config";
import { PollUI } from "@ui/poll";
import { replyAndDelete } from "@utils";
import { hasOfficerRole } from "@systems/users";

export async function handleSetLayout(interaction: ChatInputCommandInteraction): Promise<void> {
  const member = await interaction.guild!.members.fetch(interaction.user.id);
  if (!hasOfficerRole(member, cfg("officerRoles"))) {
    return void replyAndDelete(interaction, "❌ Only officers can change the poll layout.", true);
  }

  const name = interaction.options.getString("layout", true);

  if (!PollUI.setLayout(name)) {
    const available = PollUI.layouts()
      .map((l) => `\`${l.name}\` — ${l.description}`)
      .join("\n");
    return void replyAndDelete(interaction,
      `❌ Layout \`${name}\` not found. Available layouts:\n${available}`, true
    );
  }

  saveConfig();

  return void replyAndDelete(interaction,
    `✅ Poll layout set to \`${name}\`. Use \`/tg poll reload\` to apply.`, true
  );
}

export async function autocompleteLayout(interaction: any): Promise<void> {
  const focused = interaction.options.getFocused().toLowerCase();
  const choices = PollUI.layouts()
    .filter((l) => l.name.includes(focused))
    .map((l) => ({ name: `${l.name} — ${l.description}`, value: l.name }));
  await interaction.respond(choices);
}