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/**
* Copyright 2014 Red Hat, Inc.
*
* This software is licensed to you under the GNU General Public
* License as published by the Free Software Foundation; either version
* 2 of the License (GPLv2) or (at your option) any later version.
* There is NO WARRANTY for this software, express or implied,
* including the implied warranties of MERCHANTABILITY,
* NON-INFRINGEMENT, or FITNESS FOR A PARTICULAR PURPOSE. You should
* have received a copy of GPLv2 along with this software; if not, see
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
*/

/**
* @ngdoc object
* @name Bastion.content-hosts.controller:ContentHostsBulkActionController
*
* @requires $scope
* @requires $q
* @requires $location
* @requires HostCollection
* @requires CurrentOrganization
* @requires translate
* @requires Organization
* @requires Task
*
* @description
* A controller for providing bulk action functionality to the content hosts page.
*/
angular.module('Bastion.content-hosts').controller('ContentHostsBulkActionSubscriptionsController',
['$scope', '$q', '$location', 'HostCollection', 'CurrentOrganization', 'translate',
'Organization', 'Task',
function ($scope, $q, $location, HostCollection, CurrentOrganization, translate,
Organization, Task) {

$scope.actionParams = {
ids: []
};

$scope.subscription = {
confirm: false,
runningTask: null,
taskRunnable: false,
monitorTask: function (task) {
var promise;
$scope.subscription.runningTask = Task.monitorTask(task);
promise = $scope.subscription.runningTask.promise;
promise.then(function () {
$scope.state.successMessages.push(translate('Successfully Scheduled Auto-attach.'));
});
promise.catch(function (errors) {
$scope.state.errorMessages.push(translate("An error occurred applying Subscriptions: ") + errors.join('; '));
});
promise['finally'](function () {
if ($scope.subscription.runningTask.state === 'stopped') {
$scope.subscription.runningTask = null;
}
});
}
};

$scope.$watch('subscription.runningTask', function (value) {
if (value) {
$scope.subscription.taskRunnable = false;
}
if (value && $scope.subscription.runningTasksSearchId) {
Task.unregisterSearch($scope.subscription.runningTasksSearchId);
$scope.subscription.runningTasksSearchId = null;
} else if (!value && !$scope.subscription.runningTasksSearchId) {
$scope.subscription.runningTasksSearchId = watchRunningTasks();
}
});

$scope.$on('$destroy', function () {
if ($scope.subscription.runningTask) {
$scope.subscription.runningTask.stopMonitoring();
$scope.subscription.runningTask = null;
}
if ($scope.subscription.runningTasksSearchId) {
Task.unregisterSearch($scope.subscription.runningTasksSearchId);
}
});

$scope.performAutoAttachSubscriptions = function () {
$scope.subscription.confirm = false;
$scope.subscription.monitorTask(Organization.autoAttachSubscriptions({id: CurrentOrganization}));
};

function watchRunningTasks() {
var searchParams = { 'type': 'resource',
'active_only': true,
'action_types': ['Actions::Katello::Organization::AutoAttachSubscriptions'],
'resource_type': 'Organization',
'resource_id': CurrentOrganization };
return Task.registerSearch(searchParams, function (tasks) {
if (tasks.length > 0) {
$scope.subscription.monitorTask(tasks[0]);
} else {
$scope.subscription.taskRunnable = true;
}
});
}
}]
);
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