/* eslint-disable no-eval */
import Bull from 'bull';
import cron from 'cron';
import { TextableChannel } from 'eris';
import { Client, RichEmbed } from '.';
import { ScoreInterface } from '../models';

import { apply as Apply } from '../commands';

export default class Queue {
  public client: Client;

  public queues: { score: Bull.Queue };

  constructor(client: Client) {
    this.client = client;
    this.queues = {
      score: new Bull('score', { prefix: 'queue::score' }),
    };
    this.setProcessors();
    this.setCronJobs();
  }

  protected setCronJobs() {
    const historialCommunityReportJob = new cron.CronJob('0 20 * * *', async () => {
      try {
        const reports = await this.client.db.Score.find().lean().exec();
        const startDate = new Date();

        for (const report of reports) {
          const data = new this.client.db.ScoreHistorical({
            userID: report.userID,
            report,
            date: startDate,
          });
          // eslint-disable-next-line no-await-in-loop
          await data.save();
        }
      } catch (err) {
        this.client.util.handleError(err);
      }
    });

    historialCommunityReportJob.start();
  }

  public async jobCounts() {
    const data = {
      waiting: 0,
      active: 0,
      completed: 0,
      failed: 0,
      delayed: 0,
    };
    for (const entry of Object.entries(this.queues)) {
      // eslint-disable-next-line no-await-in-loop
      const counts = await entry[1].getJobCounts();
      data.waiting += counts.waiting;
      data.active += counts.active;
      data.completed += counts.completed;
      data.failed += counts.failed;
      data.delayed += counts.delayed;
    }
    return data;
  }

  protected listeners() {
    this.queues.score.on('active', (job) => {
      this.client.util.signale.pending(`${job.id} has become active.`);
    });
    this.queues.score.on('completed', (job) => {
      this.client.util.signale.success(`Job with id ${job.id} has been completed`);
    });
    this.queues.score.on('error', async (err) => {
      this.client.util.handleError(err);
    });
  }

  protected setProcessors() {
    this.queues.score.process('score::update', async (job: Bull.Job<{ score: ScoreInterface, total: number, activity: number, roles: number, moderation: number, cloudServices: number, other: number, staff: number }>) => {
      await this.client.db.Score.updateOne({ userID: job.data.score.userID }, { $set: { total: job.data.total, activity: job.data.activity, roles: job.data.roles, moderation: job.data.moderation, cloudServices: job.data.cloudServices, other: job.data.other, staff: job.data.staff, lastUpdate: new Date() } });
      if (!job.data.score.pin || job.data.score.pin?.length < 1) {
        await this.client.db.Score.updateOne({ userID: job.data.score.userID }, { $set: { pin: [this.client.util.randomNumber(100, 999), this.client.util.randomNumber(10, 99), this.client.util.randomNumber(1000, 9999)] } });
      }
    });
    this.queues.score.process('score::apply', async (job: Bull.Job<{ channelInformation: { messageID: string, guildID: string, channelID: string }, url: string, userID: string, func?: string }>) => {
      const application = await Apply.apply(this.client, job.data.url, job.data.userID);
      const guild = this.client.guilds.get(job.data.channelInformation.guildID);
      const channel = <TextableChannel> guild.channels.get(job.data.channelInformation.channelID);
      const message = await channel.getMessage(job.data.channelInformation.messageID);
      const member = guild.members.get(job.data.userID);
      await message.delete();
      const embed = new RichEmbed();
      embed.setTitle('Application Decision');
      if (member) {
        embed.setAuthor(member.username, member.avatarURL);
      }
      if (application.decision === 'APPROVED') {
        embed.setColor('#50c878');
      } else if (application.decision === 'DECLINED') {
        embed.setColor('#fe0000');
      } else if (application.decision === 'PRE-DECLINE') {
        embed.setColor('#ffa500');
      } else {
        embed.setColor('#eeeeee');
      }
      const chan = await this.client.getDMChannel(job.data.userID);
      if (chan && application.token) {
        chan.createMessage(`__**Application Decision Document**__\n*This document provides detailed information about the decision given to you by EDS.*\n\nhttps://eds.libraryofcode.org/dec/${application.token}`);
      }
      embed.setDescription(`This application was processed by __${application.processedBy}__ on behalf of the vendor, department, or service who operates this application. Please contact the vendor for further information about your application if needed.`);
      embed.addField('Status', application.decision, true);
      embed.addField('User ID', job.data.userID, true);
      embed.addField('Application ID', application.id, true);
      embed.addField('Job ID', job.id.toString(), true);
      embed.setFooter(`${this.client.user.username} via Electronic Decision Service [EDS]`, this.client.user.avatarURL);
      embed.setTimestamp();
      await channel.createMessage({ content: `<@${job.data.userID}>`, embed });
      if (job.data.func) {
        const func = eval(job.data.func);
        if (application.status === 'SUCCESS' && application.decision === 'APPROVED') await func(this.client, job.data.userID);
      }
    });
  }

  public updateScore(score: ScoreInterface, total: number, activity: number, roles: number, moderation: number, cloudServices: number, other: number, staff: number) {
    this.queues.score.add('score::update', { score, total, activity, roles, moderation, cloudServices, other, staff });
  }

  public processApplication(channelInformation: { messageID: string, guildID: string, channelID: string }, url: string, userID: string, func?: string) {
    return this.queues.score.add('score::apply', { channelInformation, url, userID, func });
  }
}