var rl = require('readline');

function quit() {
  i.close();
  process.stdin.destroy();
  process.exit(0);
}

var i;

module.exports.init = function() {
  process.stdin.resume();
  i = rl.createInterface(process.stdin, process.stdout, null);
}

module.exports.setupRepl = function() {
}

module.exports.setupSimulatorRepl = function(config) {
  var from = 'alice!~alice@example.com';
  var channel = config.channel;

  function updatePrompt() {
    var prefix = 'from=' + from;
    prefix += channel ? ', channel=' + channel : '';
    prefix += '> ';
    i.setPrompt(prefix, prefix.length);
    i.prompt();
  }

  i.on('line', function (cmd) {
    cmd = cmd.trim();
    if(cmd.length == 0) {
      i.prompt();
      return;
    }
    var parts = cmd.split(' ');
    switch(parts[0]) {
    case '/quit':
    case '/q':
      quit();
      break;
    case '/raw':
    case '/r':
      parts.shift();
      stdinPipe.send(parts.join(' '));
      updatePrompt();
      break;
    case '/join':
    case '/j':
      channel = parts[1];
      updatePrompt();
      break;
    case '/from':
    case '/f':
      from = parts[1];
      updatePrompt();
      break;
    case '/notice':
    case '/n':
      if(channel) {
        parts.shift();
        stdinPipe.send(':' + from + ' NOTICE ' + channel + ' :' + parts.join(' '));
      }
      else {
        info('You have to /j a channel first');
      }
      break;
    default:
      stdinPipe.send(':' + from + ' PRIVMSG ' + channel + ' :' + parts.join(' '));
      updatePrompt();
      break;
    }
  }).on('close', function() {
    quit();
  });
  updatePrompt();

  setTimeout(function() {
    stdinPipe.send(':irc.foo.bar 001 this :Welcome to Some Internet Relay Chat Network this');
  }, 1000);
}