#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.Objects;
using SolidFire.Core.Validation;
using SolidFire.Core;
using SolidFire.Element.Api;
#endregion

namespace SolidFire.Cluster.Get
{
    /// <summary>
    /// ListClusterFaults is used to return information about any faults detected on the cluster. Both current faults as well as faults that
    /// were previously detected and resolved can be returned. Faults in the system are cached every 30 seconds.
    /// </summary>
    
    [Cmdlet(VerbsCommon.Get, "SFClusterFault", DefaultParameterSetName = "FaultType")]
    public class GetSFClusterFault : SFCmdlet
    {
        #region Private Data

        private Dictionary<String, Object> dicParameters = new Dictionary<String, Object>();

        private string[] _faultType;

        #endregion

        #region Parameters

        [Parameter(Position = 0, ParameterSetName = "FaultType", Mandatory = false, ValueFromPipeline = true, ValueFromPipelineByPropertyName = true, ValueFromRemainingArguments = true, HelpMessage = "Specify the fault type to retrieve faults on.")]
        [ValidateNotNullOrEmpty]
        [ValidatePattern(SolidFireValidations.UpperAndLowerCase)]
        [ValidateSet("all", "current", "resolved", IgnoreCase = true)]
        public String[] FaultType
        {
            get
            {
                return _faultType;
            }
            set
            {
                _faultType = value;
            }
        }

        #endregion

        #region Cmdlet Overrides
        protected override void BeginProcessing()
        {
            base.BeginProcessing();
            CheckConnection();
        }
        /// <summary>
        /// 
        /// </summary>
        protected override void ProcessRecord()
        {
            base.ProcessRecord();

            var request = new ListClusterFaultsRequest();
            request.FaultTypes = "all";

            var objsFromAPI = SendRequest<ListClusterFaultsResult>("ListClusterFaults", request);

            foreach (var obj in objsFromAPI)
            {
                switch (ParameterSetName)
                {
                    case "FaultType":
                        ProcessByFaultType(obj);
                        break;

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

        private void ProcessByFaultType(SFWrapper<ListClusterFaultsResult> objFromApi)
        {
            // If there were no parameter arguments sent in for the FaultType parameter then we just want to list all faults found (current and resolved).
            if (_faultType == null)
            {
                WriteObject(objFromApi.Result.Faults, true);
                return;
            }
            foreach (var fault in _faultType)
            {
                var notMatched = new List<ClusterFaultInfo>();

                foreach (var clusterFault in objFromApi.Result.Faults)
                {
                    switch (fault.ToLower())
                    {
                        case "all":
                            WriteObject(clusterFault);

                            break;

                        case "current":
                            if (clusterFault.Resolved)
                            {
                                notMatched.Add(clusterFault);
                            }
                            else
                            {
                                WriteObject(clusterFault);
                            }

                            break;

                        case "resolved":
                            if (!clusterFault.Resolved)
                            {
                                notMatched.Add(clusterFault);
                            }
                            else
                            {
                                WriteObject(clusterFault);
                            }

                            break;

                    }
                }
            }
        }
        #endregion
    }
}