using Quadarax.Foundation.Core.QConsole;
using Quadarax.Foundation.Core.QConsole.Attributes;
using Quadarax.Foundation.Core.Value;

namespace Quadarax.Foundation.Core.QMonitor.Console.Commands
{
    [CommandDefinition]
    internal class ScanCommand : BaseCommand
    {

        #region *** Constants ***

        private const string CS_CMD_SCAN_NAME = "scan";
        private const string CS_CMD_SCAN_DESC = "Scans for general metadata informations.";

        #endregion

        
        #region *** Properties ***
        public override string Name => CS_CMD_SCAN_NAME;
        public override string Description => CS_CMD_SCAN_DESC;
        #endregion

        #region *** Private fields ***
        private IDictionary<string, MonItemGeneral> _cachedGenerals = new Dictionary<string, MonItemGeneral>();
        #endregion

        #region *** Constructor ***
        public ScanCommand(Engine engine) : base(engine)
        {
        }
        #endregion  

        #region *** Execute ***
        protected override Result OnExecute()
        {
            var waitToData = TimeSpan.FromSeconds(10);
            WriteInfo($"Waiting for collecting general metadata {waitToData.TotalSeconds} seconds...");
            Task.Delay(waitToData).Wait();
            WriteInfo($"Collected {_cachedGenerals.Count} items above.");
            return new Result();
        }
        #endregion

        #region *** Private Operations ***
        protected override void OnGeneralReceived(MonGeneral general)
        {
            foreach (var item in general.Items)
            {
                if(!_cachedGenerals.ContainsKey($"{general.InstanceIdentifier}_{item.Name}"))
                {
                    _cachedGenerals.Add($"{general.InstanceIdentifier}_{item.Name}", item);
                    WriteInfo("[" + general.InstanceIdentifier + "] " + item.Name);
                }
            }
        }

        #endregion

    }
}