#region Copyright
/*
* Copyright © 2014-2016 NetApp, Inc. All Rights Reserved.
*
* CONFIDENTIALITY NOTICE: THIS SOFTWARE CONTAINS CONFIDENTIAL INFORMATION OF
* NETAPP, INC. USE, DISCLOSURE OR REPRODUCTION IS PROHIBITED WITHOUT THE PRIOR
* EXPRESS WRITTEN PERMISSION OF NETAPP, INC.
*/
#endregion

#region Using Directives

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Management.Automation;
using SolidFire.Core.Validation;
using System.Management.Automation.Runspaces;
using SolidFire.Core;
using SolidFire.Element.Api;

#endregion

namespace SolidFire.Volume.Set
{
    /// <summary>
    /// ModifyGroupSnapshot is used to change the attributes currently assigned to snapshots in a group. Use this API method to enable the
    /// snapshots created on the Read/Write (source) volume to be remotely replicated to a target SolidFire storage system.
    /// </summary>
    
    [Cmdlet(VerbsCommon.Set, "SFGroupSnapshot", SupportsShouldProcess = true, ConfirmImpact = ConfirmImpact.Medium)]
    public class SetSFGroupSnapshot : SFCmdlet
    {
        #region Private Data

        private List<Int64> _processedIDs = new List<Int64>();
        private bool? _enableRemoteReplication;

        private Pipeline pipeline;

        #endregion

        #region Parameters

        [Parameter(Position = 0, Mandatory = true, ValueFromPipeline = true, ValueFromPipelineByPropertyName = true, HelpMessage = "Unique ID(s) of the Group Snapshot.")]
        [ValidatePattern(SolidFireValidations.Numeric)]
        public Int64[] GroupSnapshotID { get; set; }

        [Parameter(Position = 1, Mandatory = false, HelpMessage = "Use to enable the snapshot created to be replicated to a remote SolidFire cluster.")]
        public bool EnableRemoteReplication
        {
            get { return _enableRemoteReplication.HasValue ? _enableRemoteReplication.Value : false; }
            set { _enableRemoteReplication = value; }
        }

        [Parameter(Position = 2, Mandatory = false, HelpMessage = "Use to set the time when the snapshot should be removed. Must be an ISO-8601 date string.")]
        [SFValidatePattern(SolidFireValidations.ISO8601DateTimeOrEmptyString, "The argument is not in the format of an ISO-8601 Date String.")]
        public string ExpirationTime { get; set; }

        #endregion

        #region Cmdlet Overrides

        /// <summary>
        /// Implementation for validation the status of the connection before
        /// allowing the cmdlet to continue processing.
        /// </summary>
        protected override void BeginProcessing()
        {
            base.BeginProcessing();
            CheckConnection(minVersionNumber: 8.0f);
            pipeline = Runspace.DefaultRunspace.CreateNestedPipeline();
        }

        /// <summary>
        /// Implementation for collecting the volume IDs.
        /// Note: This method is called multiple times per execution of the 
        /// CmdLet for pipelined objects.
        /// </summary>
        protected override void ProcessRecord()
        {
            base.ProcessRecord();
            foreach (var id in GroupSnapshotID)
            {
                var request = new ModifyGroupSnapshotRequest();
                request.GroupSnapshotID = id;
                request.EnableRemoteReplication = _enableRemoteReplication;
                request.ExpirationTime = ExpirationTime;

                SendRequest<ModifyGroupSnapshotResult>("ModifyGroupSnapshot", request);

                _processedIDs.Add(id);
            }
        }

        /// <summary>
        /// Implementation for executing the input against the API.
        /// </summary>
        protected override void EndProcessing()
        {
            base.EndProcessing();
            if (_processedIDs.Count > 0)
            {
                var command = new Command("Get-SFGroupSnapshot");
                command.Parameters.Add("GroupSnapshotID", _processedIDs);
                if (SFConnection != null)
                {
                    command.Parameters.Add("SFConnection", SFConnection);
                }
                else if (Target != null)
                {
                    command.Parameters.Add("Target", Target);
                }
                pipeline.Commands.Add(command);
                WriteObject(pipeline.Invoke(), true);
                _processedIDs.Clear();
            }
            pipeline = null;

        }

        #endregion
    }
}