#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.Helpers;
using SolidFire.Core.Objects;
using SolidFire.Core.Validation;
using SolidFire.Core;
using SolidFire.Element.Api;
using ElementVolume = SolidFire.Element.Api.Volume;
#endregion

namespace SolidFire.Volume.Get
{
    /// <summary>
    /// ListActiveVolumes is used to return the list of active volumes currently in the system. 
    /// The list of volumes is returned sorted in VolumeID order and can be returned in multiple parts (pages).
    /// </summary>
    
    [Cmdlet(VerbsCommon.Get, "SFDeletedVolume", DefaultParameterSetName = "VolumeId")]
    public class GetSFDeletedVolume : SFCmdlet
    {
        #region Private Data

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

        private string[] volumeName;

        #endregion

        #region Parameters

        [Parameter(Position = 0, ParameterSetName = "VolumeId", Mandatory = false, ValueFromPipeline = true, ValueFromPipelineByPropertyName = true, ValueFromRemainingArguments = false, HelpMessage = "Please enter a volume ID or list of volume IDs")]
        [ValidateNotNullOrEmpty]
        [ValidatePattern(SolidFireValidations.Numeric)]
        public Int64[] VolumeID
        {
            get
            {
                return volumeId;
            }
            set
            {
                volumeId = value;
            }
        }

        [Parameter(Position = 0, ParameterSetName = "Name", Mandatory = false, ValueFromPipeline = true, ValueFromPipelineByPropertyName = true, ValueFromRemainingArguments = false, HelpMessage = "Please enter a volume name or list of volume names")]
        [ValidateNotNullOrEmpty]
        [ValidatePattern(SolidFireValidations.UpperAndLowerCase)]
        public String[] Name
        {
            get
            {
                return volumeName;
            }
            set
            {
                volumeName = value;
            }
        }

        #endregion

        #region Cmdlet Overrides
        protected override void BeginProcessing()
        {
            base.BeginProcessing();
            CheckConnection();
        }
        /// <summary>
        /// 
        /// </summary>
        protected override void ProcessRecord()
        {
            base.ProcessRecord();
            var objsFromAPI = SendRequest<ListDeletedVolumesResult>("ListDeletedVolumes", new ListDeletedVolumesRequest());

            foreach (var obj in objsFromAPI)
            {
                switch (ParameterSetName)
                {
                    case "VolumeId":
                        FilterByVolumeId(obj);
                        break;

                    case "Name":
                        FilterByName(obj);
                        break;

                    default:
                        throw new ArgumentException("Invalid parameter set.");
                }
            }
        }

        private void FilterByName(SFWrapper<ListDeletedVolumesResult> objFromApi)
        {
            const WildcardOptions options = WildcardOptions.IgnoreCase |
                                            WildcardOptions.Compiled;

            foreach (var volName in volumeName)
            {
                var matchedVolumes = new List<ElementVolume>();
                foreach (var vol in objFromApi.Result.Volumes)
                {
                    var wildcard = new WildcardPattern(volName, options);
                    if (wildcard.IsMatch(vol.Name))
                    {
                        if (!matchedVolumes.Contains(vol))
                        {
                            matchedVolumes.Add(vol);
                        }
                    }
                }

                if (matchedVolumes.Count > 0)
                {
                    WriteObject(matchedVolumes, true);
                }
                
            }
        }

        private void FilterByVolumeId(SFWrapper<ListDeletedVolumesResult> objFromApi)
        {
            // If there were no parameter arguments sent in for the Name parameter then we just want to list all volumes.
            if (volumeId == null)
            {
                WriteObject(objFromApi.Result.Volumes, true);
                return;
            }

            foreach (var id in volumeId)
            {
                foreach (var sfVolumeInfo in objFromApi.Result.Volumes)
                {
                    if (sfVolumeInfo.VolumeID != id) continue;
                    WriteObject(sfVolumeInfo);
                }
            }
        }

        #endregion
    }
}