import { Client } from "oceanic.js";
import "dotenv/config";
import commands from "./commands";
import { PREFIX } from "./constants";

function token() {
  return (
    process.env.DISCORD_TOKEN ??
    (() => {
      console.error("No `DISCORD_TOKEN` was specified!!");
      process.exit(1);
    })()
  );
}

const client = new Client({
  auth: `Bot ${token()}`,
  gateway: {
    intents: ["ALL"],
  },
});

// --

client.on("ready", async () => {
  console.log("Ready as", client.user.tag);
});

client.on("messageCreate", async (msg) => {
  if (msg.author.bot) return;

  const content = msg.content.toLowerCase().trim();
  if (!content.startsWith(PREFIX)) return;

  const cmdName = content.split(/\s/)[0]?.slice(PREFIX.length) ?? "";
  const cmd = commands.find((cmd) => cmd.names.includes(cmdName));

  if (cmd === undefined) return;

  if (await cmd.checkPerm(msg)) {
    const reply = async (text: string) => {
      await msg.channel?.createMessage({
        content: text,
        allowedMentions: {
          repliedUser: false,
        },
        messageReference: {
          messageID: msg.id,
        },
      });
    };
    const say = async (text: string) => {
      await msg.channel?.createMessage({
        content: text,
      });
    };

    await cmd?.handler(msg, { reply, say });
  } else await msg.createReaction("❌");
});

client.on("error", (err) => {
  console.error("Error!!", err);
});

client.connect();