angular.module('portainer.docker').controller('VolumeController', [
  '$scope',
  '$state',
  '$transition$',
  '$q',
  'ModalService',
  'VolumeService',
  'ContainerService',
  'Notifications',
  'HttpRequestHelper',
  'StoridgeVolumeService',
  'StoridgeSnapshotService',
  function ($scope, $state, $transition$, $q, ModalService, VolumeService, ContainerService, Notifications, HttpRequestHelper, StoridgeVolumeService, StoridgeSnapshotService) {
    $scope.storidgeSnapshots = [];
    $scope.storidgeVolume = {};

    $scope.removeSnapshot = function (selectedItems) {
      ModalService.confirm({
        title: 'Are you sure?',
        message: 'Do you want really want to remove this snapshot?',
        buttons: {
          confirm: {
            label: 'Remove',
            className: 'btn-danger',
          },
        },
        callback: function onConfirm(confirmed) {
          if (!confirmed) {
            return;
          }
          var actionCount = selectedItems.length;
          angular.forEach(selectedItems, function (item) {
            StoridgeSnapshotService.remove(item.Id)
              .then(function success() {
                Notifications.success('Snapshot successfully removed', item.Id);
                var index = $scope.storidgeSnapshots.indexOf(item);
                $scope.storidgeSnapshots.splice(index, 1);
              })
              .catch(function error(err) {
                Notifications.error('Failure', err, 'Unable to remove snapshot');
              })
              .finally(function final() {
                --actionCount;
                if (actionCount === 0) {
                  $state.reload();
                }
              });
          });
        },
      });
    };

    $scope.removeVolume = function removeVolume() {
      VolumeService.remove($scope.volume)
        .then(function success() {
          Notifications.success('Volume successfully removed', $transition$.params().id);
          $state.go('docker.volumes', {});
        })
        .catch(function error(err) {
          Notifications.error('Failure', err, 'Unable to remove volume');
        });
    };

    function getVolumeDataFromContainer(container, volumeId) {
      return container.Mounts.find(function (volume) {
        return volume.Name === volumeId;
      });
    }

    function initView() {
      HttpRequestHelper.setPortainerAgentTargetHeader($transition$.params().nodeName);

      VolumeService.volume($transition$.params().id)
        .then(function success(data) {
          var volume = data;
          $scope.volume = volume;
          var containerFilter = { volume: [volume.Id] };

          $scope.isCioDriver = volume.Driver.includes('cio');
          if ($scope.isCioDriver) {
            return $q.all({
              containers: ContainerService.containers(1, containerFilter),
              storidgeVolume: StoridgeVolumeService.volume($transition$.params().id),
            });
          } else {
            return ContainerService.containers(1, containerFilter);
          }
        })
        .then(function success(data) {
          var dataContainers = $scope.isCioDriver ? data.containers : data;

          var containers = dataContainers.map(function (container) {
            container.volumeData = getVolumeDataFromContainer(container, $scope.volume.Id);
            return container;
          });
          $scope.containersUsingVolume = containers;

          if ($scope.isCioDriver) {
            $scope.storidgeVolume = data.storidgeVolume;
            if ($scope.storidgeVolume.SnapshotEnabled) {
              return StoridgeSnapshotService.snapshots(data.storidgeVolume.Vdisk);
            }
          }
        })
        .then(function success(data) {
          $scope.storidgeSnapshots = data;
        })
        .catch(function error(err) {
          Notifications.error('Failure', err, 'Unable to retrieve volume details');
        });
    }

    initView();
  },
]);