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

const Space = require('../space');
const Socket = require('../socket');
const getdims = require('../utils/getdims');
const tilekeys = require('../utils/tilekeys');
const Search = require('../tools/search');

var main = new Socket();

function equals(arg1,arg2){ // Just takes the specific case argument of each being an int pair
  return arg1[0] == arg2[0] && arg1[1] == arg2[1]
}

main.on('open', ()=>{ // Tries to identify itself with a cursor movement
  console.log('socket opened');
  let coords = [Math.floor(Math.random()*100000+16),Math.floor(Math.random()*100000+16)];
  main.cursor(coords);
  main.on('cursor',detect);
  function detect(pos, send){
    if (equals(pos[0],coords)){
      main.off('cursor', detect);
      identity(send);
    }
  }
})

function identity(sender){

  console.log('identity activated');
  
  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(search);
  var expire = {};

  main.on('tileUpdate', (send, source, tiles) => {
    // if (send == sender) return; ::: this may lead to issues later, but for now is used to count its own updates
    let locs = tilekeys(tiles);

    for (let i=0; i<locs.length; i++){
      let loc = locs[i];
      if (read.has(loc)){
        clearTimeout(expire[loc]);
        delete expire[loc];
        read.del(loc);
      }
      let locspace = new Space();
      locspace.fromfetch(tiles, [loc, loc], conform=false);
      let results = read.add(loc, locspace);
      if (results.length > 0) respond(results);
      expire[loc] = setTimeout(() => {read.del(loc)}, 30000);
    }
  });
}

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

let queue = []; // Must be expanded to handle actual use cases
let open = true;
function dequeue(){
  if (queue.length == 0)
    open = true;
  else{
    open = false;
    main.write(queue.shift()) // Make more general (possibly a function pointer or a conf variable)
    setTimeout(dequeue, 1000);
  }
}

function respond(coord){
  console.log('called at', coord);
  response.loc = coord;
  queue.push(response.towrite());
  if (open) dequeue();
}