using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Xml.Serialization;
using Tango.Core;
using Tango.Core.Helpers;
using Tango.BL.Entities;
using System.Reflection;
using Tango.BL;

namespace Tango.MachineStudio.Technician.TechItems
{
    /// <summary>
    /// Represents a tech item base class.
    /// </summary>
    /// <seealso cref="Tango.Core.ExtendedObject" />
    [XmlInclude(typeof(DispenserItem))]
    [XmlInclude(typeof(DigitalOutItem))]
    [XmlInclude(typeof(MeterItem))]
    [XmlInclude(typeof(MonitorItem))]
    [XmlInclude(typeof(MotorItem))]
    [XmlInclude(typeof(MultiGraphItem))]
    [XmlInclude(typeof(SingleGraphItem))]
    [XmlInclude(typeof(ThreadMotionItem))]
    [XmlInclude(typeof(MotorGroupItem))]
    [XmlInclude(typeof(DigitalInItem))]
    [XmlInclude(typeof(ControllerItem))]
    [XmlInclude(typeof(PidItem))]
    [XmlInclude(typeof(WinderItem))]
    [XmlInclude(typeof(DancerItem))]
    [XmlInclude(typeof(SpeedSensorItem))]
    [XmlInclude(typeof(BlowerItem))]
    [XmlInclude(typeof(BreakSensorItem))]
    [XmlInclude(typeof(ProcessParametersItem))]
    [XmlInclude(typeof(JobRunnerItem))]
    [XmlInclude(typeof(TextItem))]
    [XmlInclude(typeof(HeaterItem))]
    [XmlInclude(typeof(MonitorRecorderItem))]
    [XmlInclude(typeof(ValveItem))]
    public abstract class TechItem : ExtendedObject
    {
        /// <summary>
        /// Initializes a new instance of the <see cref="TechItem"/> class.
        /// </summary>
        public TechItem()
        {
            ID = Guid.NewGuid().ToString();
            Name = "Untitled";
            Adapter = ObservablesStaticCollections.Instance;
            _color = Colors.DodgerBlue;
        }

        private String _description;
        /// <summary>
        /// Gets or sets the description.
        /// </summary>
        [XmlIgnore]
        public String Description
        {
            get { return _description; }
            set { _description = value; RaisePropertyChangedAuto(); }
        }

        private BitmapSource _image;
        /// <summary>
        /// Gets or sets the image.
        /// </summary>
        [XmlIgnore]
        public BitmapSource Image
        {
            get { return _image; }
            set { _image = value; RaisePropertyChangedAuto(); }
        }

        /// <summary>
        /// Gets or sets the db adapter.
        /// </summary>
        [XmlIgnore]
        public ObservablesStaticCollections Adapter { get; set; }

        private String _id;
        /// <summary>
        /// Unique Item ID.
        /// </summary>
        public String ID
        {
            get { return _id; }
            set { _id = value; RaisePropertyChanged(nameof(ID)); }
        }

        private String _name;
        /// <summary>
        /// item Name.
        /// </summary>
        [XmlIgnore]
        public String Name
        {
            get { return _name; }
            set { _name = value; RaisePropertyChanged(nameof(Name)); }
        }

        private double _left;
        /// <summary>
        /// Item Left.
        /// </summary>
        public double Left
        {
            get { return _left; }
            set { _left = value; RaisePropertyChanged(nameof(Left)); }
        }

        private double _top;
        /// <summary>
        /// Item Top.
        /// </summary>
        public double Top
        {
            get { return _top; }
            set { _top = value; RaisePropertyChanged(nameof(Top)); }
        }

        private double _width;
        /// <summary>
        /// Item Width.
        /// </summary>
        public double Width
        {
            get { return _width; }
            set { _width = value; RaisePropertyChanged(nameof(Width)); }
        }

        private double _height;
        /// <summary>
        /// Item Height.
        /// </summary>
        public double Height
        {
            get { return _height; }
            set { _height = value; RaisePropertyChanged(nameof(Height)); }
        }

        private double _angle;
        /// <summary>
        /// Item Angle.
        /// </summary>
        public double Angle
        {
            get { return _angle; }
            set { _angle = value; RaisePropertyChanged(nameof(Angle)); }
        }

        
        private String _techName;
        /// <summary>
        /// Gets or sets the tech item name.
        /// </summary>
        [XmlIgnore]
        public String TechName
        {
            get { return _techName; }
            set { _techName = value; RaisePropertyChangedAuto(); }
        }

        /// <summary>
        /// Gets or sets the db tech item guid.
        /// </summary>
        public String ItemGuid { get; set; }

        private Color _color;
        /// <summary>
        /// Gets or sets the item color.
        /// </summary>
        [XmlIgnore]
        public Color Color
        {
            get { return _color; }
            set
            {
                _color = value;
                RaisePropertyChanged(nameof(Color));
                _colorNumber = ColorHelper.ColorToInteger(value);
            }
        }

        private int _colorNumber;
        /// <summary>
        /// Gets or sets the color number (for XML serialization).
        /// </summary>
        public int ColorNumber
        {
            get { return _colorNumber; }
            set
            {
                _colorNumber = value;
                _color = ColorHelper.IntegerToColor(value);
                _color.A = 255;
                RaisePropertyChanged(nameof(Color));
            }
        }

        /// <summary>
        /// Clones this instance.
        /// </summary>
        /// <returns></returns>
        public virtual TechItem Clone()
        {
            TechItem cloned = Activator.CreateInstance(this.GetType()) as TechItem;
            cloned.Left = Left;
            cloned.Top = Top;
            cloned.Width = Width;
            cloned.Height = Height;
            cloned.Angle = Angle;
            cloned.Color = Color;
            return cloned;
        }

        /// <summary>
        /// Gets the available tech items.
        /// </summary>
        /// <returns></returns>
        public static List<TechItem> GetAvailableTechItems()
        {
            List<TechItem> items = new List<TechItem>();

            foreach (var type in typeof(TechItem).Assembly.GetTypes().Where(x => typeof(TechItem).IsAssignableFrom(x) && !x.IsAbstract).OrderBy(x => x.GetCustomAttribute<TechItemAttribute>().Index))
            {
                items.Add(Activator.CreateInstance(type) as TechItem);
            }

            return items;
        }

        /// <summary>
        /// Sets the bounds.
        /// </summary>
        /// <param name="bounds">The bounds.</param>
        public void SetBounds(Rect bounds)
        {
            Left = bounds.Left;
            Top = bounds.Top;
            Width = bounds.Width;
            Height = bounds.Height;
        }

        /// <summary>
        /// Gets the bounds.
        /// </summary>
        /// <returns></returns>
        public Rect GetBounds()
        {
            return new Rect(Left, Top, Width, Height);
        }
    }
}