using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Media;
using System.Xml.Serialization;
using Tango.Core.Commands;
using Tango.BL.Entities;
using Tango.SharedUI.Helpers;
using System.Collections.ObjectModel;

namespace Tango.MachineStudio.Technician.TechItems
{
    /// <summary>
    /// Represents a PID controller item.
    /// </summary>
    /// <seealso cref="Tango.MachineStudio.Technician.TechItems.TechItem" />
    [TechItem(12)]
    public class PidItem : TechItem
    {
        private static List<HardwarePidControl> _pidConfigurations;
        /// <summary>
        /// Gets or sets the pid configurations.
        /// </summary>
        public static List<HardwarePidControl> PidConfigurations
        {
            get { return _pidConfigurations; }
            set { _pidConfigurations = value; }
        }

        static PidItem()
        {
            PidConfigurations = new List<HardwarePidControl>();

            foreach (var pidType in BL.ObservablesStaticCollections.Instance.HardwarePidControlTypes)
            {
                PidConfigurations.Add(new HardwarePidControl() { HardwarePidControlType = pidType });
            }
        }

        private HardwarePidControlType _hardwarePidType;
        /// <summary>
        /// Gets or sets the type of the hardware pid.
        /// </summary>
        [XmlIgnore]
        public HardwarePidControlType HardwarePidType
        {
            get { return _hardwarePidType; }
            set
            {
                _hardwarePidType = value; RaisePropertyChangedAuto(); TechName = _hardwarePidType != null ? _hardwarePidType.Description : null; ItemGuid = value != null ? value.Guid : null;

                if (_hardwarePidType != null)
                {
                    HardwarePid = PidConfigurations.SingleOrDefault(x => x.HardwarePidControlType == _hardwarePidType);
                }
            }
        }

        private HardwarePidControl _hardwarePid;
        /// <summary>
        /// Gets or sets the hardware pid.
        /// </summary>
        [XmlIgnore]
        public HardwarePidControl HardwarePid
        {
            get { return _hardwarePid; }
            set { _hardwarePid = value; RaisePropertyChangedAuto(); }
        }

        /// <summary>
        /// Initializes a new instance of the <see cref="PidItem"/> class.
        /// </summary>
        public PidItem() : base()
        {
            Name = "PID";
            Description = "PID Controller";
            Image = ResourceHelper.GetImageFromResources("Images/function.png");
            Color = Colors.White;
            HardwarePid = new HardwarePidControl();
        }

        /// <summary>
        /// Initializes a new instance of the <see cref="PidItem"/> class.
        /// </summary>
        /// <param name="pidType">Type of the pid.</param>
        public PidItem(HardwarePidControlType pidType) : this()
        {
            HardwarePidType = pidType;
        }

        /// <summary>
        /// Clones this instance.
        /// </summary>
        /// <returns></returns>
        public override TechItem Clone()
        {
            PidItem cloned = base.Clone() as PidItem;
            cloned.HardwarePidType = HardwarePidType;
            return cloned;
        }
    }
}