import { Client, Intents } from 'discord.js';
import { commands, aliases } from './commands';

import * as BuildConfig from './constants';
// import Filter from 'bad-words';
import { isBad } from './badLinks';

import { green, bold, blue, underline } from 'kleur/colors';
import urlRegex from 'url-regex';

const client = new Client({
  intents: [
    Intents.FLAGS.GUILDS,
    Intents.FLAGS.GUILD_MESSAGES,
    Intents.FLAGS.DIRECT_MESSAGES,
    Intents.FLAGS.GUILD_MEMBERS,
    Intents.FLAGS.GUILD_MESSAGE_REACTIONS,
    Intents.FLAGS.GUILD_BANS,
  ],
});

client.login(process.env.DISCORD_TOKEN);

client.once('ready', async () => {
  console.log(green(bold('Discord bot ready!')));
  console.log(
    'Invite link:',
    blue(
      underline(
        client.generateInvite({
          scopes: ['bot'],
          permissions: ['ADMINISTRATOR'],
        })
      )
    )
  );

  const POLYMC_GUILD = await client.guilds.fetch(BuildConfig.GUILD_ID);
  const DEBUG_CHANNEL = POLYMC_GUILD.channels.cache.get(
    BuildConfig.DEBUG_CHANNEL_ID
  );

  if (!DEBUG_CHANNEL || !DEBUG_CHANNEL.isText()) throw new Error();
  DEBUG_CHANNEL.send({
    embeds: [
      {
        title: 'Started!',
        description: new Date().toISOString(),
        color: 'AQUA',
      },
    ],
  });

  client.on('messageCreate', async (e) => {
    if (!e.content) return;
    if (!e.channel.isText()) return;
    if (e.author.bot) return;
    if (e.author === client.user) return;

    if (
      process.env.NODE_ENV === 'development' &&
      e.channelId !== '977401259260788756'
    ) {
      return;
    } else if (
      process.env.NODE_ENV !== 'development' &&
      e.channelId === '977401259260788756'
    ) {
      return;
    }

    // const profane = new Filter({ exclude: ['damn'] }).isProfane(e.content);

    // if (profane) {
    //   e.reply({
    //     embeds: [
    //       {
    //         title: 'Profanity detected!',
    //         description: 'Please try not to use these words 😄',
    //         color: 'FUCHSIA',
    //       },
    //     ],
    //   });
    // }

    {
      const urlMatches = [...e.content.matchAll(urlRegex())];

      if (urlMatches) {
        console.log('Found links in message from', e.author.tag);

        for (const match of urlMatches) {
          console.log('[link]', match[0]);
          if (await isBad(match[0])) {
            await e.reply({
              embeds: [
                {
                  title: 'Hold on!',
                  description:
                    'There seems to be a phishing / malware link in your message.',
                  color: 'RED',
                },
              ],
            });

            return;
          }
        }
      }
    }

    const cmd = e.content.split(' ')[0];
    if (!cmd.startsWith('!')) return;
    let func = commands[cmd];
    func = func ?? commands[aliases[cmd]];

    if (func !== undefined) {
      await func(client, e);
    }
  });
});