angular.module('portainer.services')
.factory('VolumeService', ['$q', 'Volume', function VolumeServiceFactory($q, Volume) {
  'use strict';
  var service = {};

  service.getVolumes = function() {
    return Volume.query({}).$promise;
  };

  function prepareVolumeQueries(template, containerConfig) {
    var volumeQueries = [];
    if (template.volumes) {
      template.volumes.forEach(function (vol) {
        volumeQueries.push(
          Volume.create({}, function (d) {
            if (d.message) {
              Messages.error("Unable to create volume", {}, d.message);
            } else {
              Messages.send("Volume created", d.Name);
              containerConfig.Volumes[vol] = {};
              containerConfig.HostConfig.Binds.push(d.Name + ':' + vol);
            }
          }, function (e) {
            Messages.error("Failure", e, "Unable to create volume");
          }).$promise
        );
      });
    }
    return volumeQueries;
  }

  service.createVolume = function(volumeConfiguration) {
    var deferred = $q.defer();
    Volume.create(volumeConfiguration).$promise
    .then(function success(data) {
      if (data.message) {
        deferred.reject({ msg: data.message });
      } else {
        deferred.resolve(data);
      }
    })
    .catch(function error(err) {
      deferred.reject({ msg: 'Unable to create volume', err: err });
    });
    return deferred.promise;
  };

  service.createVolumes = function(volumes) {
    var createVolumeQueries = volumes.map(function(volume) {
      return service.createVolume(volume);
    });
    return $q.all(createVolumeQueries);
  };

  service.createXAutoGeneratedLocalVolumes = function (x) {
    var createVolumeQueries = [];
    for (var i = 0; i < x; i++) {
      createVolumeQueries.push(service.createVolume({}));
    }
    return $q.all(createVolumeQueries);
  };

  return service;
}]);