const INSTALL_TIME = 132333986000; // Match this to value in applications-data.js

function debug(msg) {
  //dump('-*- webapp-manifest.js: ' + msg + '\n');
}

let webappsTargetDir = Cc['@mozilla.org/file/local;1']
               .createInstance(Ci.nsILocalFile);
webappsTargetDir.initWithPath(PROFILE_DIR);
// Create profile folder if doesn't exists
if (!webappsTargetDir.exists())
  webappsTargetDir.create(Ci.nsIFile.DIRECTORY_TYPE, parseInt('0755', 8));
// Create webapps folder if doesn't exists
webappsTargetDir.append('webapps');
if (!webappsTargetDir.exists())
  webappsTargetDir.create(Ci.nsIFile.DIRECTORY_TYPE, parseInt('0755', 8));

let manifests = {};
let id = 1;

function copyRec(source, target) {
  let results = [];
  let files = source.directoryEntries;
  if (!target.exists())
    target.create(Ci.nsIFile.DIRECTORY_TYPE, parseInt('0755', 8));

  while (files.hasMoreElements()) {
    let file = files.getNext().QueryInterface(Ci.nsILocalFile);
    if (file.isDirectory()) {
      let subFolder = target.clone();
      subFolder.append(file.leafName);
      copyRec(file, subFolder);
    } else {
      file.copyTo(target, file.leafName);
    }
  }
}

// Returns the nsIPrincipal compliant integer
// from the "type" property in manifests.
function getAppStatus(status) {
  let appStatus = 1; // By default, apps are installed
  switch (status) {
    case "certified":
      appStatus = 3;
      break;
    case "privileged":
      appStatus = 2;
      break;
    case "web":
    default:
      appStatus = 1;
      break;
  }
  return appStatus;
}

Gaia.webapps.forEach(function (webapp) {
  // If BUILD_APP_NAME isn't `*`, we only accept one webapp
  if (BUILD_APP_NAME != '*' && webapp.sourceDirectoryName != BUILD_APP_NAME)
    return;

  // Compute webapp folder name in profile
  let webappTargetDirName = webapp.domain;

  // Copy webapp's manifest to the profile
  let webappTargetDir = webappsTargetDir.clone();
  webappTargetDir.append(webappTargetDirName);
  webapp.manifestFile.copyTo(webappTargetDir, 'manifest.webapp');

  // Add webapp's entry to the webapps global manifest.
  // appStatus == 3 means this is a certified app.
  // appStatus == 2 means this is a privileged app.
  // appStatus == 1 means this is an installed (unprivileged) app

  let url = webapp.url;
  manifests[webappTargetDirName] = {
    origin:        url,
    installOrigin: url,
    receipt:       null,
    installTime:   INSTALL_TIME,
    manifestURL:   url + '/manifest.webapp',
    appStatus:     getAppStatus(webapp.manifest.type),
    localId:       id++
  };

});

// Write webapps global manifest
let manifestFile = webappsTargetDir.clone();
manifestFile.append('webapps.json');

// stringify json with 2 spaces indentation
writeContent(manifestFile, JSON.stringify(manifests, null, 2) + '\n');