const fetch = require("node-fetch");

const role = { online: '684443816383610916', idle: '684444083065978941', dnd: '684444020558135399', offline: '684443903759614049', onlinephone: '777989420728975390', idlephone: "836554207342362626", dndphone: "836554469478760449" };
const statusy = { offline: "0", online: "1", idle: "2", dnd: "3", onlinephone: "11", idlephone: "12", dndphone: "13" };

const prepSend = pair => {
  const changes = [];

  pair.forEach(par => {
    const us = par[0];
    changes.push({ id: us.id, status: par[1], nick: us.username, pfp: us.avatar ?? "" });
  });

  poslatData({ changes });
};

const poslatData = data => {
  data.pwd = process.env.STAT_PASS;
  fetch("http://deadfish.cz:4629/endpoint-pro-denimka/", { method: "POST", headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(data) });
};

const statusOnFoun = (bef, aft) => {
  if (!bef) bef = { status: 'offline', clientStatus: {} };
  [bef, aft].forEach(s => {
    const mobile = s.clientStatus.mobile;
    if (mobile && mobile !== s.clientStatus.desktop) s.status = `${mobile}phone`;
  });
  return [bef, aft];
};

const ziju = () => {
  poslatData({ nejsemPoslej: !0 });
  setTimeout(ziju, 60_000);
};

if (!process.env.IGNORE_PRESENCE) ziju();

module.exports = {

  // Změna rolí podle statusu a odeslání statusu
  on_presenceUpdate: (bef, aft) => {
    if (process.env.IGNORE_PRESENCE) return;

    [bef, aft] = statusOnFoun(bef, aft);
    if (bef.status === aft.status) return;

    if (aft.guild.id !== '555779161067749446') {
      aft.member.roles.add(role[aft.status]);
      aft.member.roles.remove(role[bef.status]);
    }

    prepSend([[aft.user, statusy[aft.status]]]);
  },

  // Odeslání statusů při startu bota
  on_ready: () => {
    if (process.env.IGNORE_PRESENCE) return;

    const client = module.exports.client;
    const guildy = client.guilds.cache;
    const memberove = client.users.cache.clone();
    const presence = [];
    const changes = [];

    guildy.each(guilda => {
      guilda.presences.cache.each(pres => {
        if (!presence.filter(prs => prs.userID === pres.userID).length) presence.push(pres);
      });
    });

    presence.forEach(presenc => {
      const status = statusOnFoun(null, presenc)[1].status;
      changes.push([memberove.get(presenc.userID), statusy[status]]);
      memberove.delete(presenc.userID);
    });

    memberove.each(member => {
      changes.push([member, 0]);
    });

    prepSend(changes);
  },

  // Odeslání statusu při změně jména nebo profilovky
  on_userUpdate: (_, aft) => {
    if (!process.env.IGNORE_PRESENCE)
      prepSend([[aft, statusy[statusOnFoun(null, aft.presence)[1].status]]]);
  }
};