using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.BL.Entities;
using Tango.Core;
using Tango.PMR.ColorLab;

namespace Tango.MachineStudio.ThreadExtensions.ViewModels
{
    public class CalibrationDataPointVM : ExtendedObject
    {
        private double _x;

        public double X
        {
            get { return _x; }
            set { _x = value; RaisePropertyChangedAuto(); }
        }

        private double _y;

        public double Y
        {
            get { return _y; }
            set { _y = value; RaisePropertyChangedAuto(); }
        }

        private int _index;

        public int Index
        {
            get { return _index; }
            set { _index = value; RaisePropertyChangedAuto(); }
        }


        public CalibrationDataPointVM()
        {

        }

        public CalibrationDataPointVM(double x, double y)
        {
            X = x;
            Y = y;
        }

        public CalibrationDataPointVM(CalibrationPoint calibrationPoint) : this(calibrationPoint.X, calibrationPoint.Y)
        {

        }

        public CalibrationPoint ToPMR()
        {
            return new CalibrationPoint()
            {
                X = X,
                Y = Y,
            };
        }
    }

    public class CalibrationDataVM : ExtendedObject
    {
        private BL.Entities.LiquidType _liquidType;

        public BL.Entities.LiquidType LiquidType
        {
            get { return _liquidType; }
            set { _liquidType = value; RaisePropertyChangedAuto(); }
        }

        private IdsPack _idsPack;

        public IdsPack IdsPack
        {
            get { return _idsPack; }
            set { _idsPack = value; RaisePropertyChangedAuto(); }
        }

        private ObservableCollection<CalibrationDataPointVM> _calibrationPoints;

        public ObservableCollection<CalibrationDataPointVM> CalibrationPoints
        {
            get { return _calibrationPoints; }
            set { _calibrationPoints = value; RaisePropertyChangedAuto(); OnCalibrationPointsChanged(); }
        }

        private void OnCalibrationPointsChanged()
        {
            if (CalibrationPoints != null)
            {
                CalibrationPoints.CollectionChanged -= CalibrationPoints_CollectionChanged;
                CalibrationPoints.CollectionChanged += CalibrationPoints_CollectionChanged;

                SetIndices();
            }
        }

        private void CalibrationPoints_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
        {
            SetIndices();
        }

        private void SetIndices()
        {
            if (CalibrationPoints != null)
            {
                int index = 1;
                foreach (var p in CalibrationPoints)
                {
                    p.Index = index++;
                }
            }
        }

        private CalibrationDataVM()
        {
            CalibrationPoints = new ObservableCollection<CalibrationDataPointVM>();
        }

        public CalibrationDataVM(IdsPack pack) : this()
        {
            IdsPack = pack;
            LiquidType = pack.LiquidType;
        }

        public CalibrationDataVM(BL.Entities.LiquidType liquidType) : this()
        {
            LiquidType = liquidType;
            CalibrationPoints = new ObservableCollection<CalibrationDataPointVM>();
            //CalibrationPoints.Add(new CalibrationDataPointVM() { Index = 1, X = 2, Y = 22 });
        }
    }
}