// Copyright 2015 The Vanadium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

var LRU = require('lru-cache');

module.exports = createMockProxy;

/*
 * Creates a mock proxy object.
 * @param {Function} requestHandler Function to provide results for a given
 * message, type request that comes to the proxy.
 */
function createMockProxy(requestHandler, signatureCacheTTL) {
  return {
    signatureCache: new LRU({
      maxAge: signatureCacheTTL || (3600 * 1000)
    }),
    cancelFromContext: function() {},
    nextId: function() {
      return 0;
    },
    sendRequest: function(data, type, handler, id) {
      var result = requestHandler(data, type);
      if (result && result.then) {
        return result.then(function(result) {
          handler.handleResponse(0, result);
        }, function(err) {
          console.log(err + ' ' + err.stack);
        });
      }
      handler.handleResponse(0, result);
    },
    dequeue: function() {}
  };
}