using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Crestron.SimplSharp;
using Crestron.SimplSharpPro.EthernetCommunication;

using PepperDash.Core;
using PepperDash.Essentials.Core;
using PepperDash.Essentials.Core.Devices;

namespace PepperDash.Essentials.Bridges
{
    /// <summary>
    /// Base class for all bridge class variants
    /// </summary>
    public class BridgeBase : Device
    {
        public BridgeApi Api { get; private set; }

        public BridgeBase(string key) :
            base(key)
        {

        }
            
    }

    /// <summary>
    /// Base class for bridge API variants
    /// </summary>
    public abstract class BridgeApi : Device
    {
        public BridgeApi(string key) :
            base(key)
        {

        }

    }

    /// <summary>
    /// Bridge API using EISC
    /// </summary>
    public class EiscApi : BridgeApi
    {
        public ThreeSeriesTcpIpEthernetIntersystemCommunications Eisc { get; private set; }


        public EiscApi(string key, uint ipid, string hostname) :
            base(key)
        {
            Eisc = new ThreeSeriesTcpIpEthernetIntersystemCommunications(ipid, hostname, Global.ControlSystem);

            Eisc.SigChange += new Crestron.SimplSharpPro.DeviceSupport.SigEventHandler(Eisc_SigChange);

            Eisc.Register();
        }

        /// <summary>
        /// Handles incoming sig changes
        /// </summary>
        /// <param name="currentDevice"></param>
        /// <param name="args"></param>
        void Eisc_SigChange(object currentDevice, Crestron.SimplSharpPro.SigEventArgs args)
        {
            if (Debug.Level >= 1)
                Debug.Console(1, this, "BridgeApi EISC change: {0} {1}={2}", args.Sig.Type, args.Sig.Number, args.Sig.StringValue);
            var uo = args.Sig.UserObject;
            if (uo is Action<bool>)
                (uo as Action<bool>)(args.Sig.BoolValue);
            else if (uo is Action<ushort>)
                (uo as Action<ushort>)(args.Sig.UShortValue);
            else if (uo is Action<string>)
                (uo as Action<string>)(args.Sig.StringValue);
        }
    }




    /// <summary>
    /// Defines each type and it's matching API type
    /// </summary>
    public static class DeviceApiFactory
    {
        public static Dictionary<Type, Type> TypeMap = new Dictionary<Type, Type>
        {
            { typeof(DmChassisController), typeof(DmChassisControllerApi) },
            { typeof(IBasicCommunication), typeof(IBasicCommunicationApi) }
            //{ typeof(SomeShittyDisplayController), typeof(SomeShittyDisplayControllerApi) }
        };
    }


    /// <summary>
    /// API class for IBasicCommunication devices
    /// </summary>
    public class IBasicCommunicationApi : DeviceApiBase
    {
        public IBasicCommunication Device { get; set; }

        SerialFeedback TextReceivedFeedback;

        public IBasicCommunicationApi(IBasicCommunication dev)
        {
            TextReceivedFeedback = new SerialFeedback();

            Device = dev;

            SetupFeedbacks();

            ActionApi = new Dictionary<string, Object>
            {
                { "connect", new Action(Device.Connect) },
                { "disconnect", new Action(Device.Disconnect) },
                { "connectstate", new Action<bool>( b => ConnectByState(b) ) },
                { "sendtext", new Action<string>( s => Device.SendText(s) ) }

            };

            FeedbackApi = new Dictionary<string, Feedback>
            {
                { "isconnected", new BoolFeedback( () => Device.IsConnected ) },
                { "textrecieved", TextReceivedFeedback }
            };
        }

        /// <summary>
        /// Controls connection based on state of input
        /// </summary>
        /// <param name="state"></param>
        void ConnectByState(bool state)
        {
            if (state)
                Device.Connect();
            else
                Device.Disconnect();                             
        }

        void SetupFeedbacks()
        {
            Device.TextReceived += new EventHandler<GenericCommMethodReceiveTextArgs>(Device_TextReceived);

            if(Device is ISocketStatus)
                (Device as ISocketStatus).ConnectionChange += new EventHandler<GenericSocketStatusChageEventArgs>(IBasicCommunicationApi_ConnectionChange);
        }

        void IBasicCommunicationApi_ConnectionChange(object sender, GenericSocketStatusChageEventArgs e)
        {
            FeedbackApi["isconnected"].FireUpdate();
        }

        void Device_TextReceived(object sender, GenericCommMethodReceiveTextArgs e)
        {
            TextReceivedFeedback.FireUpdate(e.Text);
        }
    }

 

    public class DmChassisController : Device
    {
        public DmChassisController(string key)
            : base(key)
        {

        }

        public void SetInput(int input)
        {
            Debug.Console(2, this, "Dm Chassis {0}, input {1}", Key, input);
        }
    }

    /// <summary>
    /// Each flavor of API is a static class with static properties and a static constructor that
    /// links up the things to do.
    /// </summary>
    public class DmChassisControllerApi : DeviceApiBase
    {
        IntFeedback Output1Feedback;
        IntFeedback Output2Feedback;

        public DmChassisControllerApi(DmChassisController dev)
        {
            Output1Feedback = new IntFeedback( new Func<int>(() => 1));
            Output2Feedback = new IntFeedback( new Func<int>(() => 2));

            ActionApi = new Dictionary<string, Object>
            {
                
            };

            FeedbackApi = new Dictionary<string, Feedback>
            {
                { "Output-1/fb", Output1Feedback },
                { "Output-2/fb", Output2Feedback }
            };
        }

        /// <summary>
        /// Factory method
        /// </summary>
        /// <param name="dev"></param>
        /// <returns></returns>
        public static DmChassisControllerApi GetActionApiForDevice(DmChassisController dev)
        {
            return new DmChassisControllerApi(dev);
        }
    }


}