import { Message } from 'eris';
import { totalmem } from 'os';
import { Client, Command, RichEmbed } from '../class';
import { version as erisVersion } from '../../node_modules/eris/package.json';
import { version as expressVersion } from '../../node_modules/express/package.json';
import { version as mongooseVersion } from '../../node_modules/mongoose/package.json';

export default class Info extends Command {
  constructor(client: Client) {
    super(client);
    this.name = 'info';
    this.description = 'System information.';
    this.usage = 'info';
    this.permissions = 0;
    this.enabled = true;
  }

  public async run(message: Message) {
    try {
      const embed = new RichEmbed();
      embed.setTitle('Information');
      embed.setThumbnail(this.client.user.avatarURL);
      embed.addField('Language(s)', '<:TypeScript:703451285789343774> TypeScript', true);
      embed.addField('Discord Library', `Eris (${erisVersion})`, true);
      embed.addField('HTTP Server Library', `Express (${expressVersion})`, true);
      embed.addField('Database Library', `MongoDB w/ Mongoose ODM (${mongooseVersion})`, true);
      embed.addField('Repository', 'https://gitlab.libraryofcode.org/engineering/communityrelations | Licensed under GNU Affero General Public License V3', true);
      embed.addField('Memory Usage', `${Math.round(process.memoryUsage().rss / 1024 / 1024)} MB / ${Math.round(totalmem() / 1024 / 1024 / 1024)} GB`, true);
      embed.setFooter(this.client.user.username, this.client.user.avatarURL);
      embed.setTimestamp();
      message.channel.createMessage({ embed });
    } catch (err) {
      this.client.util.handleError(err, message, this);
    }
  }
}