using System;
using System.Runtime.InteropServices;
using System.Threading;

namespace SketchAssistantWPF
{
    internal class Armband
    {
        [StructLayout(LayoutKind.Sequential)]
        public class BodyActuator
        {
            enum BodyActuator_Type
            {
                BODYACTUATOR_TYPE_NONE,
                BODYACTUATOR_TYPE_EAI,
                BODYACTUATOR_TYPE_PIEZO,
                BODYACTUATOR_TYPE_ERM,
                BODYACTUATOR_TYPE_EMS
            };
            bool valid;
            ushort actuatorCount;
            BodyActuator_Type type;
            ArduinoHub arduinoHub;
            EAIHub eaiHub;
        }


        [StructLayout(LayoutKind.Sequential)]
        public class EAIHub
        {
            bool valid;
            pthread_mutex_t mutex; //TODO fix this
            Thread thread;
            Actuator* actuators; //TODO
            uint tactorType;
            uint modulation;
            int deviceID;
        }

        [StructLayout(LayoutKind.Sequential)]
        public class ArduinoHub
        {
            enum ArduinoHub_Type
            { 
                ARDUINOHUB_TYPE_PIEZO = 'P',
                ARDUINOHUB_TYPE_ERM = 'E',
                ARDUINOHUB_TYPE_EMS = 'M'
            }
            bool valid;
            pthread_mutex_t mutex; //TODO fix this
            Thread thread;
            ArduinoHub_Type arduinoType;
            Serial* serial;
            Actuator* actuators;
        }
        
        [DllImport("BodyActuator.dll", EntryPoint = "BodyActuator_actuate")]
        static extern void pushForward(ref BodyActuator self, byte tactor, double intensity, ulong duration);

        internal void pushForward()
        {
            Console.WriteLine("FORWARD_PUSH");
        }

        internal void pushBackward()
        {
            Console.WriteLine("BACKWARD_PUSH");
        }
    }
}