using System;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Controls;
using ProductionUiCordonelLegacy.ProductionProcesses.Enum;
using Xylem.Common.Hardware.WaterMeter.Genesis.GenesisCore;

namespace ProductionUiCordonelLegacy.ProductionProcesses
{
    public abstract class BaseProductionProcess : IProductionProcess
    {
        private Int32 _progress;
        public Int32 Progress
        {
            get => _progress;
            set
            {
                _progress = value;
                PopUpProcessProgressChangedHandler?.Invoke(this, new PopUpProcessProgressArgs(_progress, PopUpProcessProgressArgs.ProcessProgessType.SubProcess));
            }
        }
        public ProductionProcessState currentProcessState;
        public String name;

        public GenesisMeter Meter { get; internal set; }
     
        public event EventHandler PopUpProcessStateChangedHandler;

        public event EventHandler<PopUpProcessLogArgs> PopUpProcessLogHandler;
        public event EventHandler<PopUpProcessProgressArgs> PopUpProcessProgressChangedHandler;

        StringBuilder sbLog = new StringBuilder();

        public String GetName()
        {
            return name;
        }

        public ProductionProcessState GetState()
        {
            return currentProcessState;
        }

        public UserControl GetUserControl()
        {
            return GetControl();
        }

        public abstract UserControl GetControl();

        public abstract  void StartProcess();

        public abstract void ProcessDone();
        public void Start(GenesisMeter meter, CancellationToken cancellationToken)
        {
            Meter = meter;
            currentProcessState = ProductionProcessState.Started;
            PopUpProcessStateChangedHandler?.Invoke(this, EventArgs.Empty);
            StartProcess();
            NewStatus($"Starte {name}");
            while (currentProcessState == ProductionProcessState.Started)
            {

                Task.Delay(500);
            }

            ProcessDone();
            NewStatus($"Prozess {name} is beendet (code:{currentProcessState.GetHashCode()})");
            PopUpProcessStateChangedHandler?.Invoke(this, EventArgs.Empty);

        }

        internal void NewStatus(String v)
        {
            PopUpProcessLogHandler?.Invoke(this, new PopUpProcessLogArgs(v));
            sbLog.AppendLine(v);
            Meter.WriteLog($"{name} : {v}");
        }

        public abstract void InitUserControl();
        public void Init()
        {
            InitUserControl();
        }
    }
}