var users = require('./users');

exports.findById = function(id, cb) {
  process.nextTick(function() {
    var idx = id - 1;
    if (users.records[idx]) {
      cb(null, users.records[idx]);
    } else {
      cb(new Error('User ' + id + ' does not exist'));
    }
  });
}

exports.findByUsername = function(username, cb) {
  process.nextTick(function() {
    for (var i = 0, len = users.records.length; i < len; i++) {
      var record = users.records[i];
      if (record.username === username) {
        return cb(null, record);
      }
    }
    return cb(null, null);
  });
}

exports.userIdArray = function() {
    var userIdArray = [];
    for (var i = 0, len = users.records.length; i < len; i++) {
        userIdArray.push(users.records[i].id);
    }
    return userIdArray;
}