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

namespace SoraV2Utils_Agent
{
    public struct DeviceStatus
    {
        public byte Battery;
        public byte Charging;
        public byte FullCharge;
        public byte Online;
    }

    public interface IMouseData
    {
        byte[] GetDeviceStatus();
        double GetBatteryRuntime();
        void Exit();
    }

    public class ServiceIPC
    {
        public static ServiceIPC Instance;
        public static DeviceStatus DeviceStatus;
        public static double BatteryRuntime = 0;

        public ServiceIPC()
        {
            ThreadPool.QueueUserWorkItem(state =>
            {
                while (true)
                {
                    GetDeviceDataFromService();
                    Thread.Sleep(5000);  // Periodically fetch data every 5 seconds
                }
            });
            Instance = this;
        }

        public static void GetDeviceDataFromService()
        {
            var client = new Client("SoraV2UtilsDeviceData");
            var service = client.GetServiceProxy<IMouseData>();

            try
            {
                // Allocate memory and copy device status data
                int size = Marshal.SizeOf(typeof(DeviceStatus));
                IntPtr ptr = Marshal.AllocHGlobal(size);

                try
                {
                    byte[] statusData = service.GetDeviceStatus();
                    Marshal.Copy(statusData, 0, ptr, size);

                    // Marshal data into DeviceStatus struct
                    DeviceStatus = (DeviceStatus)Marshal.PtrToStructure(ptr, typeof(DeviceStatus));
                }
                finally
                {
                    // Clean up allocated memory
                    Marshal.FreeHGlobal(ptr);
                }

                BatteryRuntime = service.GetBatteryRuntime();

            }
            catch (Exception ex)
            {
                //TODO: Log or handle exceptions properly
                Console.WriteLine($"Error fetching device data: {ex.Message}");
            }
        }

        public void Exit()
        {
            // Stop the Service
            try
            {
                var client = new Client("SoraV2UtilsDeviceData");
                var service = client.GetServiceProxy<IMouseData>();
                service.Exit();
            }
            catch (TimeoutException)
            {
            }

            // Exit the application
            System.Environment.Exit(1);
        }
    }
}