// A bot which responds to `jarvis` with a box

// BUG: The Scheduler, Search, Claims, ident, AND Write Listener can ALL be 
// used as extensions for Socket. This would make the code so much easier to 
// understand

const Space = require('../space');
const Socket = require('../socket');
const ms = require('../utils/measurespace');
const vec = require('../utils/vec');
const comb = require('../utils/comb');
const Search = require('../tools/search');
const sched = require('../tools/schedule');
const ri = require('../utils/rectintersect');
const id = require('../utils/ident');
const maketiles = require('../utils/maketiles');
const wwrap = require('../utils/writewrap');
const Claims = require('../tools/claim');

//// The queue of all writes to be sent to the server @ 200chars/1000ms
class MetaSocket extends Socket{
  constructor(world='', delayms=1000){
    super(world);
    let self = this;
    sched.Queue.call(self, 1000, 200, (elems) => self.write(elems));
    Claims.call(self);
    id.call(self);
    wwrap.call(self);
    self.sender;
    self.on('init',(send)=>{
      self.sender = send;
    });
    Search.call(this);
  }
}
var main = new MetaSocket();

// See ident.js for further documentation, but this basically sets up init functions

main.on('init', (send)=>{
  setTimeout(()=>{main.enable()},1000);
  main.enqueue(genNotif().towrite());
});
main.on('close', ()=>main.disable());

main.on('initOnce', ()=>{
  timect();
  main.on('tileUpdate', tileHandler); // Should only be active after the "control space" of the notification has been established
});

//// Management utilities

// When a tile changes, processes data into usable form and runs every function in `funcs` w/ that data.
// Note that functions can edit inputs
function tileHandler(send, source, tiles){
  if (send == main.sender) return;
  let tiledata = maketiles(tiles);
  main.handle(send, tiledata.tilespaces, tiledata.locs);
}

//// "userspace" functions for responses, like to tileUpdates
const command = 'jarvis'
const sig     = 'feynmansfedora'
const notifsrc = '\
                                             \n\
  For a node.js YWOT api:                    \n\
&   git.hrhr.dev/ywot-clean                  \n\
&   Try `COMMAND` today. Uptime: UPTIME.     \n\
&   Called: JARVISx ~SIGNATURE               \n\
&   If you have any good bullet art (<100 chars),\n\
&    please send it to me at hr@hrhr.dev.        \n\
                                         '.replace('COMMAND', command).replace('SIGNATURE', sig);
const notifloc = [0, 20];
var minsUp = 0;
var callct = 0;
var notifClaim;

function genNotif(){
  let newnotif = new Space();
  newnotif.loc = notifloc;
  text = notifsrc;
  text = text.replace('UPTIME', Math.floor(minsUp/60) + 'h' + minsUp%60 + 'm');
  text = text.replace('JARVIS', callct);
  newnotif.adhoc(text);
  return newnotif
}

var notif = new Space();
notif.loc = notifloc;
function notifRefresh(){
  let newnotif = genNotif();
  let diff = newnotif.copy();
  diff.comb(notif, comb.sub);
  notif = newnotif;
  if (notifClaim) main.unclaim(notifClaim);
  notifClaim = main.claim(newnotif, protectArea);
  return (diff.towrite());
}

function timect(){
  minsUp++;
  main.enqueue(notifRefresh());
  setTimeout(timect, 60*1000);
}

function protectArea(send, tiles, locs, id, space, ctrl){
  let writelist = [];
  for (let loc of locs){
    let tile = tiles[loc];
    // Write diffs from the tile
    let diff = space.copy(); // Acts as a window for tile (only see relevant data)
    diff.comb(tile, comb.flip(comb.unmask));
    diff.comb(tile, comb.sub);
    writelist.push(...diff.towrite())
  }
  main.enqueue(writelist);
}

var search = new Space();
search.adhoc('jarvis'); // The search space is the word jarvis, so whenever that's caught, a relevant function can be called.
var read = new Search();
read.match(search, respond);
var expire = {};

main.on('fallback', (send, tiles, locs) => { // tries to detect the prompt ('jarvis') and calls respond if found.
  for (let loc of locs){
    if (read.has(loc)){
      clearTimeout(expire[loc]);
      read.del(loc);
    }
    read.add(loc, tiles[loc]);
    expire[loc] = setTimeout(() => {read.del(loc); delete expire[loc];}, 30000);
  }
});

let response = new Space();
response.adhoc('yes, my liege');

var limits = []; // an array of senders within the last 5 seconds to act as a 'rate limiter'
function respond(coord, send){
  if (limits.indexOf(send) >= 0) return;
  console.log('called at', coord);
  callct += 1;
  response.loc = coord;
  main.enqueue(response.towrite().concat(notifRefresh()));
  read.update(response);
  setTimeout(() => {limits.splice(limits.indexOf(send))}, 5*1000);
  limits.push(send);
}