var PUBNUB = require('../pubnub.js')

var CHANNELS = {};

var currentpn = null;

var totalpn = 0;

var setup = {};

var countpn = 0;

var grouppn = 0; // Channels Per PN Instance

var received = 0;

// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

// PubNub Pooling Creator

// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

module.exports = function( pool_size, settings ) {

setup = settings;

grouppn = pool_size;

return get_pubnub;

};

// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

// PubNub Pooling

// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

function get_pubnub(channel) {

if (channel in CHANNELS) return CHANNELS[channel];

// Create a new PN Instance

if (!(countpn++ % grouppn)) {

var settings = clone(setup);

settings.origin = uuid().split('-')[4] + '.pubnub.com';

settings.total = totalpn++;

currentpn = PUBNUB.init(settings);

}

// console.log( 'countpn', countpn, 'totalpn', totalpn );

// Save PN Instance

CHANNELS[channel] = currentpn;

return CHANNELS[channel];

}

// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

// UUID

// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

function uuid(callback) {

var u = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g,

function(c) {

var r = Math.random()*16|0, v = c == 'x' ? r : (r&0x3|0x8);

return v.toString(16);

});

if (callback) callback(u);

return u;

}

function clone(a) {

return JSON.parse(JSON.stringify(a));

}