#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.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.Remove
{
    /// <summary>
    /// RemoveSnapshot is used to delete a snapshot. A snapshot that is currently the "active" snapshot cannot be deleted. You must
    /// rollback and make another snapshot "active" before the current snapshot can be deleted. For more details on rolling back
    /// snapshots, see RollbackToSnapshot on page 238.
    /// </summary>
    
    [Cmdlet(VerbsCommon.Remove, "SFSnapshot", SupportsShouldProcess = true, ConfirmImpact = ConfirmImpact.High)]
    public class RemoveSFSnapshot : SFCmdlet
    {
        #region Private Data

        /// <summary>
        /// 
        /// </summary>
        private Int64[] snapshotId;

        private Pipeline pipeline;

        #endregion

        #region Parameters

        [Parameter(Position = 0, ParameterSetName = "SnapshotID", Mandatory = true, ValueFromPipeline = true, ValueFromPipelineByPropertyName = true, ValueFromRemainingArguments = false, HelpMessage = "Snapshot ID(s) to remove")]
        [ValidateNotNullOrEmpty]
        [ValidatePattern(SolidFireValidations.Numeric)]
        public Int64[] SnapshotID
        {
            get
            {
                return snapshotId;
            }
            set
            {
                snapshotId = value;
            }
        }



        #endregion

        #region Cmdlet Overrides
        protected override void BeginProcessing()
        {
            base.BeginProcessing();
            CheckConnection();
            pipeline = Runspace.DefaultRunspace.CreateNestedPipeline();
        }

        protected override void EndProcessing()
        {
            base.EndProcessing();
            var command = new Command("Get-SFSnapshot");
            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);
            pipeline = null;
        }
        /// <summary>
        /// 
        /// </summary>
        protected override void ProcessRecord()
        {
            base.ProcessRecord();
            foreach (var snapId in snapshotId)
            {
                var request = new DeleteSnapshotRequest();
                request.SnapshotID = snapId;
                SendRequest<DeleteSnapshotResult>("DeleteSnapshot", request, throwTerminatingError: false);
            }
        }
        #endregion
    }
}