import {
  EmbedBuilder,
  MessageFlags,
  SlashCommandBuilder,
  type TextBasedChannelFields,
} from "discord.js";
import type { BotCommand } from "./index";
import { botConfig } from "@/bot/config";
import { isStaff } from "@/bot/lib/roles";

const ANNOUNCE_COLOR = 0xf59e0b;

export const announceCommand: BotCommand = {
  builder: new SlashCommandBuilder()
    .setName("announce")
    .setDescription("Post an announcement to a channel")
    .addStringOption((option) =>
      option.setName("message").setDescription("The announcement text").setRequired(true),
    )
    .addChannelOption((option) =>
      option.setName("channel").setDescription("Channel to post to"),
    ) as SlashCommandBuilder,
  execute: async (interaction, payload) => {
    if (!interaction.inGuild() || !interaction.guild) {
      await interaction.reply({
        content: "This command only works in a server.",
        flags: MessageFlags.Ephemeral,
      });
      return;
    }

    const member = await interaction.guild.members.fetch(interaction.user.id);
    if (!(await isStaff(member, payload))) {
      await interaction.reply({
        content: "You don't have permission to announce.",
        flags: MessageFlags.Ephemeral,
      });
      return;
    }

    const message = interaction.options.getString("message", true);
    const option = interaction.options.getChannel("channel");
    const channelId = option?.id ?? botConfig.announceChannelId ?? botConfig.opsChannelId;
    if (!channelId) {
      await interaction.reply({
        content: "No announce channel is configured and no channel was given.",
        flags: MessageFlags.Ephemeral,
      });
      return;
    }

    const optionChannel = option && "send" in option ? (option as TextBasedChannelFields) : null;
    const channel = optionChannel ?? (await interaction.guild.channels.fetch(channelId));
    if (!channel || !("send" in channel)) {
      await interaction.reply({
        content: "That channel isn't a text channel.",
        flags: MessageFlags.Ephemeral,
      });
      return;
    }

    await (channel as TextBasedChannelFields).send({
      embeds: [
        new EmbedBuilder()
          .setTitle("Announcement")
          .setDescription(message)
          .setColor(ANNOUNCE_COLOR),
      ],
    });

    const name = (channel as unknown as { name?: string | null }).name ?? channelId;
    await interaction.reply({
      content: `Announcement posted to #${name}.`,
      flags: MessageFlags.Ephemeral,
    });
  },
};