import {
  type ChatInputCommandInteraction,
  SlashCommandBuilder,
} from "discord.js";

import { Nag, CheckIn, type Settings } from "./service";
import { Chrono } from "chrono-node";

const data = new SlashCommandBuilder()
  .setName("nag")
  .setDescription("Let Blitzcrank nag you every day about something")
  .addStringOption((option) =>
    option
      .setRequired(true)
      .setName("text")
      .setDescription("What you have to do every day"),
  )
  .addStringOption((option) =>
    option
      .setName("failText")
      .setDescription("Custom message to be broadcast on failure"),
  )
  .addBooleanOption((option) =>
    option
      .setName("mentionHere")
      .setDescription("Whether to DM you or @ a channel")
      .setRequired(false),
  );

async function initialize(settings: Settings) {}

async function execute(interaction: ChatInputCommandInteraction) {
  const text = interaction.options.getString("text");
  if (text === null || text === undefined) {
    await interaction.reply("Nag can't have a blank `text`, try again.");
    return;
  }
  const nag = await Nag.create({
    userId: interaction.user.id,
    guildId: interaction.guild?.id,
    channelId: interaction.channel?.id,
    messageId: interaction.id,
    text: text,
    failText: interaction.options.getString("failText"),
    mentionHere: interaction.options.getBoolean("mentionHere") ?? false,
  });
  await nag.save();
  const chrono = new Chrono();
  const checkIn = chrono.parseDate("today at 9AM");
  if (!checkIn) {
    await interaction.reply(
      "Internal error while saving your nag. Tell Drew the bot is broken!!!",
    );
    return;
  }
  await CheckIn.create({
    nagId: nag.id,
    checkIn: checkIn,
  });
  await interaction.reply(
    `I'll check every day at 9AM if you've completed '${text}'. If not, I'll nag you! Use /checkin to prevent a shameful callout, and /unnag to cancel.`,
  );
}

export default function (settings: Settings) {
  return {
    data,
    execute,
    initialize: async () => await initialize(settings),
  };
}