var Server = require('stratum').Server;

// these settings can be changed using Server.defaults as well, for every new server up
var server = new Server({
  /**
   * The server settings itself
   */
  settings: {
    /**
     * Address to set the X-Stratum header if someone connects using HTTP
     * @type {String}
     */
    hostname: 'localhost',
    /**
     * Max server lag before considering the server "too busy" and drop new connections
     * @type {Number}
     */
    toobusy : 70,
    /**
     * Bind to address, use 0.0.0.0 for external access
     * @type {string}
     */
    host    : 'localhost',
    /**
     * Port for the stratum TCP server to listen on
     * @type {Number}
     */
    port    : 3337
  }
});

server.on('mining', function(req, deferred){
    switch (req.method){
        case 'subscribe':
            // req.params[0] -> if filled, it's the User Agent, like CGMiner/CPUMiner sends
            // Just resolve the deferred, the promise will be resolved and the data sent to the connected client
            var difficulty_id = "b4b6693b72a50c7116db18d6497cac52";
            var subscription_id = "ae6812eb4cd7735a302a8a9dd95cf71f";
            var extranonce1 = "08000002";
            var extranonce2_size = 4;
            deferred.resolve([difficulty_id, subscription_id, extranonce1, extranonce2_size]);
            break;
    }
});

server.listen();