vylbot-app/src/events/MessageEvents/OnMessage.ts

import { Message as Message } from "discord.js";
import SettingsHelper from "../../helpers/SettingsHelper";

export default class OnMessage {
    public static async VerificationCheck(message: Message) {
        if (!message.guild) return;

        const verificationChannel = await SettingsHelper.GetSetting("verification.channel", message.guild.id);

        if (!verificationChannel) {
            return;
        }

        const channel = message.guild.channels.cache.find(x => x.name == verificationChannel);
        
        if (!channel) {
            return;
        }

        const currentChannel = message.guild.channels.cache.find(x => x == message.channel);

        if (!currentChannel || currentChannel.name != verificationChannel) {
            return;
        }

        const verificationCode = await SettingsHelper.GetSetting("verification.code", message.guild.id);

        if (!verificationCode || verificationCode == "") {
            await message.reply("`verification.code` is not set inside of the server's config. Please contact the server's mod team.");
            await message.delete();

            return;
        }

        const verificationRoleName = await SettingsHelper.GetSetting("verification.role", message.guild.id);

        if (!verificationRoleName) {
            await message.reply("`verification.role` is not set inside of the server's config. Please contact the server's mod team.");
            await message.delete();
            return;
        }

        const role = message.guild.roles.cache.find(x => x.name == verificationRoleName);

        if (!role) {
            await message.reply("The entry role configured for this server does not exist. Please contact the server's mod team.");
            await message.delete();
            return;
        }

        if (message.content.toLocaleLowerCase() != verificationCode.toLocaleLowerCase()) {
            await message.delete();
            return;
        }

        await message.member?.roles.add(role);
        await message.delete();
    }
}