/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * the Mozilla Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2010
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Robert Strong <robert.bugzilla@gmail.com> (Original Author)
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

const URL_HOST = "http://localhost:4444/";
const URL_PATH = "data";

var gTestserver;

var gXHR;
var gXHRCallback;

var gCheckFunc;
var gResponseBody;
var gResponseStatusCode = 200;
var gRequestURL;
var gUpdateCount;
var gUpdates;
var gStatusCode;
var gStatusText;

#include ../shared.js

/**
 * Nulls out the most commonly used global vars used by tests as appropriate.
 */
function cleanUp() {
  removeUpdateDirsAndFiles();

  // Force the update manager to reload the update data to prevent it from
  // writing the old data to the files that have just been removed.
  reloadUpdateManagerData();

  // Call app update's observe method passing xpcom-shutdown to test that the
  // shutdown of app update runs without throwing or leaking. The observer
  // method is used directly instead of calling notifyObservers so components
  // outside of the scope of this test don't assert and thereby cause app update
  // tests to fail.
  gAUS.observe(null, "xpcom-shutdown", "");

  gDirSvc.unregisterProvider(gDirProvider);

  if (gXHR) {
    gXHRCallback     = null;

    gXHR.responseXML = null;
    // null out the event handlers to prevent a mFreeCount leak of 1
    gXHR.onerror     = null;
    gXHR.onload      = null;
    gXHR.onprogress  = null;

    gXHR             = null;
  }

  gTestserver    = null;
}

/**
 * Sets the most commonly used preferences used by tests
 */
function setDefaultPrefs() {
  // Don't display UI for a successful installation. Some apps may not set this
  // pref to false like Firefox does.
  gPref.setBoolPref(PREF_APP_UPDATE_SHOW_INSTALLED_UI, false);
  // Enable Update logging
  gPref.setBoolPref(PREF_APP_UPDATE_LOG, true);
}

/**
 * Initializes the most commonly used settings and creates an instance of the
 * update service stub.
 */
function standardInit() {
  createAppInfo("xpcshell@tests.mozilla.org", "XPCShell", "1.0", "2.0");
  setDefaultPrefs();
  // Initialize the update service stub component
  initUpdateServiceStub();
}

/* Custom path handler for the http server */
function pathHandler(metadata, response) {
  response.setHeader("Content-Type", "text/xml", false);
  response.setStatusLine(metadata.httpVersion, gResponseStatusCode, "OK");
  response.bodyOutputStream.write(gResponseBody, gResponseBody.length);
}

/**
 * Launches the updater binary to apply a mar file using the current working
 * directory for the location to apply the mar.
 * @param   aUpdatesDir
 *          The directory to copy the update mar, binary, etc.
 * @param   aUpdater
 *          The updater binary binary to copy to aUpdatesDir.
 * @returns The exit value returned from the updater binary.
 */
function runUpdate(aUpdatesDir, aUpdater) {
  // Copy the updater binary to the update directory so the updater.ini is not
  // in the same directory as it is. This prevents the PostUpdate executable
  // which is defined in the updater.ini from launching and the updater ui from
  // displaying.
  aUpdater.copyTo(aUpdatesDir, aUpdater.leafName);
  var updateBin = aUpdatesDir.clone();
  updateBin.append(aUpdater.leafName);
  if (updateBin.leafName == "updater.app") {
    updateBin.append("Contents");
    updateBin.append("MacOS");
    updateBin.append("updater");
    if (!updateBin.exists())
      do_throw("Unable to find the updater executable!");
  }

  var updatesDirPath = aUpdatesDir.path;
  if (/ /.test(updatesDirPath))
    updatesDirPath = '"' + updatesDirPath + '"';

  var cwdPath = do_get_file("/", true).path;
  if (/ /.test(cwdPath))
    cwdPath = '"' + cwdPath + '"';

  var process = AUS_Cc["@mozilla.org/process/util;1"].
                createInstance(AUS_Ci.nsIProcess);
  process.init(updateBin);
  var args = [updatesDirPath, 0, cwdPath];
  process.run(true, args, args.length);
  return process.exitValue;
}

/**
 * Sets up the bare bones XMLHttpRequest implementation below. 
 *
 * @param   callback
 *          The callback function that will call the nsIDomEventListener's
 *          handleEvent method.
 *
 *          Example of the callback function
 *
 *            function callHandleEvent() {
 *              gXHR.status = gExpectedStatus;
 *              var e = { target: gXHR };
 *              gXHR.onload.handleEvent(e);
 *            }
 */
function overrideXHR(callback) {
  gXHRCallback = callback;
  gXHR = new xhr();
  var registrar = Components.manager.QueryInterface(AUS_Ci.nsIComponentRegistrar);
  registrar.registerFactory(gXHR.classID, gXHR.classDescription,
                            gXHR.contractID, gXHR);
}

/**
 * Bare bones XMLHttpRequest implementation for testing onprogress, onerror,
 * and onload nsIDomEventListener handleEvent.
 */
function xhr() {
}
xhr.prototype = {
  overrideMimeType: function(mimetype) { },
  setRequestHeader: function(header, value) { },
  status: null,
  channel: { set notificationCallbacks(val) { } },
  _url: null,
  _method: null,
  open: function (method, url) {
    gXHR.channel.originalURI = AUS_Cc["@mozilla.org/network/io-service;1"].
                               getService(AUS_Ci.nsIIOService).
                               newURI(url, null, null);
    gXHR._method = method; gXHR._url = url;
  },
  responseXML: null,
  responseText: null,
  send: function(body) {
    do_timeout(0, gXHRCallback); // Use a timeout so the XHR completes
  },
  _onprogress: null,
  set onprogress(val) { gXHR._onprogress = val; },
  get onprogress() { return gXHR._onprogress; },
  _onerror: null,
  set onerror(val) { gXHR._onerror = val; },
  get onerror() { return gXHR._onerror; },
  _onload: null,
  set onload(val) { gXHR._onload = val; },
  get onload() { return gXHR._onload; },
  flags: AUS_Ci.nsIClassInfo.SINGLETON,
  implementationLanguage: AUS_Ci.nsIProgrammingLanguage.JAVASCRIPT,
  getHelperForLanguage: function(language) null,
  getInterfaces: function(count) {
    var interfaces = [AUS_Ci.nsIXMLHttpRequest, AUS_Ci.nsIJSXMLHttpRequest,
                      AUS_Ci.nsIXMLHttpRequestEventTarget];
    count.value = interfaces.length;
    return interfaces;
  },
  classDescription: "XMLHttpRequest",
  contractID: "@mozilla.org/xmlextras/xmlhttprequest;1",
  classID: Components.ID("{c9b37f43-4278-4304-a5e0-600991ab08cb}"),
  createInstance: function (outer, aIID) {
    if (outer == null)
      return gXHR.QueryInterface(aIID);
    throw AUS_Cr.NS_ERROR_NO_AGGREGATION;
  },
  QueryInterface: function(aIID) {
    if (aIID.equals(AUS_Ci.nsIXMLHttpRequest) ||
        aIID.equals(AUS_Ci.nsIJSXMLHttpRequest) ||
        aIID.equals(AUS_Ci.nsIXMLHttpRequestEventTarget) ||
        aIID.equals(AUS_Ci.nsIClassInfo) ||
        aIID.equals(AUS_Ci.nsISupports))
      return gXHR;
    throw AUS_Cr.NS_ERROR_NO_INTERFACE;
  }
};

/* Update check listener */
const updateCheckListener = {
  onProgress: function(request, position, totalSize) {
  },

  onCheckComplete: function(request, updates, updateCount) {
    gRequestURL = request.channel.originalURI.spec;
    gUpdateCount = updateCount;
    gUpdates = updates;
    dump("onError: url = " + gRequestURL + ", " +
         "request.status = " + request.status + ", " +
         "update.statusText = " + request.statusText + ", " +
         "updateCount = " + updateCount + "\n");
    // Use a timeout to allow the XHR to complete
    do_timeout(0, gCheckFunc);
  },

  onError: function(request, update) {
    gRequestURL = request.channel.originalURI.spec;
    gStatusCode = request.status;
    gStatusText = update.statusText;
    dump("onError: url = " + gRequestURL + ", " +
         "request.status = " + gStatusCode + ", " +
         "update.statusText = " + gStatusText + "\n");
    // Use a timeout to allow the XHR to complete
    do_timeout(0, gCheckFunc);
  },

  QueryInterface: function(aIID) {
    if (!aIID.equals(AUS_Ci.nsIUpdateCheckListener) &&
        !aIID.equals(AUS_Ci.nsISupports))
      throw AUS_Cr.NS_ERROR_NO_INTERFACE;
    return this;
  }
};

/**
 * Helper for starting the http server used by the tests
 * @param   aRelativeDirName
 *          The directory name to register relative to
 *          toolkit/mozapps/update/test/unit/
 */
function start_httpserver(aRelativeDirName) {
  var dir = do_get_file(aRelativeDirName);
  if (!dir.exists())
    do_throw("The directory used by nsHttpServer does not exist! path: " +
             dir.path + "\n");

  if (!dir.isDirectory())
    do_throw("A file instead of a directory was specified for nsHttpServer " +
             "registerDirectory! path: " + dir.path + "\n");

  do_load_httpd_js();
  gTestserver = new nsHttpServer();
  gTestserver.registerDirectory("/data/", dir);
  gTestserver.start(4444);
}

/* Helper for stopping the http server used by the tests */
function stop_httpserver(callback) {
  do_check_true(!!callback);
  gTestserver.stop(callback);
}

/**
 * Creates an nsIXULAppInfo
 * @param   id
 *          The ID of the test application
 * @param   name
 *          A name for the test application
 * @param   version
 *          The version of the application
 * @param   platformVersion
 *          The gecko version of the application
 */
function createAppInfo(id, name, version, platformVersion) {
  const XULAPPINFO_CONTRACTID = "@mozilla.org/xre/app-info;1";
  const XULAPPINFO_CID = Components.ID("{c763b610-9d49-455a-bbd2-ede71682a1ac}");
  var XULAppInfo = {
    vendor: "Mozilla",
    name: name,
    ID: id,
    version: version,
    appBuildID: "2007010101",
    platformVersion: platformVersion,
    platformBuildID: "2007010101",
    inSafeMode: false,
    logConsoleErrors: true,
    OS: "XPCShell",
    XPCOMABI: "noarch-spidermonkey",

    QueryInterface: function QueryInterface(iid) {
      if (iid.equals(AUS_Ci.nsIXULAppInfo) ||
          iid.equals(AUS_Ci.nsIXULRuntime) ||
          iid.equals(AUS_Ci.nsISupports))
        return this;
      throw AUS_Cr.NS_ERROR_NO_INTERFACE;
    }
  };
  
  var XULAppInfoFactory = {
    createInstance: function (outer, iid) {
      if (outer == null)
        return XULAppInfo.QueryInterface(iid);
      throw AUS_Cr.NS_ERROR_NO_AGGREGATION;
    }
  };

  var registrar = Components.manager.QueryInterface(AUS_Ci.nsIComponentRegistrar);
  registrar.registerFactory(XULAPPINFO_CID, "XULAppInfo",
                            XULAPPINFO_CONTRACTID, XULAppInfoFactory);
}

// On Vista XRE_UPDATE_ROOT_DIR can be a directory other than the one in the
// application directory. This will reroute it back to the one in the
// application directory.
var gDirProvider = {
  getFile: function(prop, persistent) {
    persistent.value = true;
    if (prop == XRE_UPDATE_ROOT_DIR)
      return getCurrentProcessDir();
    return null;
  },
  QueryInterface: function(iid) {
    if (iid.equals(AUS_Ci.nsIDirectoryServiceProvider) ||
        iid.equals(AUS_Ci.nsISupports))
      return this;
    throw AUS_Cr.NS_ERROR_NO_INTERFACE;
  }
};
gDirSvc.QueryInterface(AUS_Ci.nsIDirectoryService).registerProvider(gDirProvider);

const INSTALL_LOCALE = "@AB_CD@";

// These are placed at the end so they don't mess up line numbering

#ifdef XP_WIN
const IS_WIN = true;
#else
const IS_WIN = false;
#endif

#ifdef XP_OS2
const IS_OS2 = true;
#else
const IS_OS2 = false;
#endif

#ifdef XP_MACOSX
const IS_MACOSX = true;
#else
const IS_MACOSX = false;
#endif