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

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

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(send){
  sender = send; // Communicates local send to tileHandler as a global variable
  console.log('identity activated');
  main.on('tileUpdate', tileHandler);
}

var sender;

function tileHandler(send, source, tiles){
  if (send == sender) return;
  let locs = tilekeys(tiles);
  detectPrompt(send, tiles, locs);
}

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 = {};

function detectPrompt(send, tiles, locs){ // tries to detect the prompt ('jarvis') and calls respond if found.
  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 writes = new Queue(1000, 200, (elems) => main.write(elems));

function respond(coord){
  console.log('called at', coord);
  response.loc = coord;
  writes.enqueue(...response.towrite());
}