var Util = require('../util');
var path = require('path');

// Action types
var LOAD_DESKTOP_APPS = exports.LOAD_PROFILE = 'LOAD_DESKTOP_APPS';
var LOAD_DESKTOP_APPS_SUCCESS = exports.LOAD_DESKTOP_APPS_SUCCESS = 'LOAD_DESKTOP_APPS_SUCCESS';
var LOAD_DESKTOP_APPS_FAILED = exports.LOAD_DESKTOP_APPS_FAILED = 'LOAD_DESKTOP_APPS_FAILED';

// Actions creator
exports.loadDesktopApps = function() {
  return function(dispatch, getState) {

    var baseDirs = global.process.env.XDG_DATA_DIRS.split(':').map(function(baseDir){
      return path.join(baseDir, 'applications');
    });

    dispatch({ type: LOAD_DESKTOP_APPS });

    return Util.DesktopApps.loadAllDesktopFiles(baseDirs)
      .then(function(desktopApps) {
        dispatch({ type: LOAD_DESKTOP_APPS_SUCCESS, desktopApps: desktopApps });
      })
      .catch(function(err) {
        dispatch({ type: LOAD_DESKTOP_APPS_FAILED, error: err });
      })
    ;

  };
};