import { promises as fs } from "fs";
import { exec } from "child_process";
import cfg from "../../inc/config.mjs";
import sql from "../sql.mjs";
import lib from "../lib.mjs";

export default async bot => {

  return [{
    name: "f0ck",
    call: /^\!f0ck .*/i,
    active: true,
    level: 100,
    f: async e => {
      switch(e.args[0]) {
        case "stats":
          const dirs = {
            b: await fs.readdir("./public/b"),
            t: await fs.readdir("./public/t")
          };
          const sizes = {
            b: lib.formatSize((await Promise.all(dirs.b.map(async file => (await fs.stat(`./public/b/${file}`)).size))).reduce((a, b) => b + a)),
            t: lib.formatSize((await Promise.all(dirs.t.map(async file => (await fs.stat(`./public/t/${file}`)).size))).reduce((a, b) => b + a)),
          };
          return e.reply(`${dirs.b.length} f0cks: ${sizes.b}, ${dirs.t.length} thumbnails: ${sizes.t}`);
        case "limit":
          return e.reply(`up to ${lib.formatSize(cfg.main.maxfilesize)} (${lib.formatSize(cfg.main.maxfilesize * 2.5)} for admins)`);
        case "thumb":
          const rows = await sql.query("select id from items");
          const dir = (await fs.readdir("./public/t")).filter(d => d.endsWith(".png")).map(e => +e.split(".")[0]);
          const tmp = [];
          for(let row of rows)
            !dir.includes(row.id) ? tmp.push(row.id) : null;
          e.reply(`${tmp.length}, ${rows.length}, ${dir.length}`);
        break;
        case "cache":
          cfg.websrv.cache = !cfg.websrv.cache;
          return e.reply(`Cache is ${cfg.websrv.cache ? "enabled" : "disabled"}`);
        break;
        case "uptime":
          exec('sudo systemctl status f0ck', (err, stdout) => {
            if(!err)
              return e.reply(stdout.split('\n')[2].trim().replace("Active: active (running)", "i'm active"));
          });
        break;
        case "restart":
          e.reply("hay hay patron, hemen!");
          exec("sudo systemctl restart f0ck");
        break;
        default:
          return;
      }
    }
  }]
};