#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.ComponentModel;
using System.Management.Automation;
using System.Management.Automation.Runspaces;
using SolidFire.Core;
using SolidFire.Element.Api;
#endregion

namespace SolidFire.Cluster.Enable
{
    /// <summary>
    /// EnableSnmp is used to enable SNMP on the cluster nodes. The values set with this interface apply to all nodes in the cluster,
    /// and the values that are passed replace, in whole, all values set in any previous call to EnableSnmp.
    /// </summary>
    
    [Cmdlet(VerbsLifecycle.Enable, "SFSnmp", SupportsShouldProcess = true, ConfirmImpact = ConfirmImpact.Medium)]
    public class EnableSFSnmp : SFCmdlet
    {
        #region Private Data

        /// <summary>
        /// Member used to host a nested Pipeline for calling other CmdLets
        /// </summary>
        private Pipeline pipeline = null;

        #endregion

        #region Parameters

        /// <summary>
        /// If set to "true", then SNMP v3 is enabled on each node in the cluster. If set to "false", then SNMP v2 is enabled.
        /// </summary>
        [Parameter(Position = 0, Mandatory = true, ValueFromPipeline = true, ValueFromPipelineByPropertyName = true, HelpMessage = "If set to 'true', then SNMP v3 is enabled on each node in the cluster. If set to 'false', then SNMP v2 is enabled.")]
        public bool SnmpV3Enabled { get; set; }

        #endregion

        #region Cmdlet Overrides

        /// <summary>
        /// Verify the connection is Oxygen or less.
        /// Create a nested pipeline that can be written to after processing
        /// </summary>
        protected override void BeginProcessing()
        {
            base.BeginProcessing();
            CheckConnection();
            pipeline = Runspace.DefaultRunspace.CreateNestedPipeline();
        }

        /// <summary>
        /// After processing, invoke the Get-SFSnmpState CmdLet to pass the new SNMPState into the pipeline.
        /// </summary>
        protected override void EndProcessing()
        {
            base.EndProcessing();
            var command = new Command("Get-SFSnmpState");
            pipeline.Commands.Add(command);
            // Send it to the pipline
            WriteObject(pipeline.Invoke(), true);
            pipeline = null;
        }

        /// <summary>
        /// Implementation for processing the execution of the cmdlet.
        /// </summary>
        protected override void ProcessRecord()
        {
            base.ProcessRecord();
            // Assemble the parameters object
            var request = new EnableSnmpRequest();
            request.SnmpV3Enabled = SnmpV3Enabled;

            SendRequest<EnableSnmpResult>("EnableSnmp", request);
        }

        #endregion
    }
}