using System.IO.Pipes;
using System.Security.AccessControl;
using System.Security.Principal;
using Microsoft.Win32.TaskScheduler;
using PipeMethodCalls;
using Serilog;
using Task = System.Threading.Tasks.Task;

namespace HardwareMonitorStatusWindow.Service;

internal class Program
{
    private static async Task Main(string[] args)
    {
        Log.Logger = new LoggerConfiguration().WriteTo.File("HardwareMonitorService.log").CreateLogger();

        Log.Information("Start");

        if (args.Contains("--install", StringComparer.InvariantCultureIgnoreCase))
        {
            Log.Information("Starting install...");

            try
            {
                using var taskService = new TaskService();

                var existingTask = taskService.FindTask(HardwareMonitorService.ScheduledTaskName);

                if (existingTask == null)
                {
                    var taskDefinition = taskService.NewTask();
                    taskDefinition.Principal.RunLevel = TaskRunLevel.Highest;

                    taskDefinition.Triggers.Add(new LogonTrigger { Delay = TimeSpan.FromSeconds(30) });
                    taskDefinition.Actions.Add(new ExecAction(Environment.ProcessPath!));
                    taskDefinition.Settings.RestartInterval = TimeSpan.FromMinutes(1);
                    taskDefinition.Settings.RestartCount = 3;
                    taskDefinition.Settings.StartWhenAvailable = true;
                    taskDefinition.Settings.ExecutionTimeLimit = TimeSpan.Zero;
                    taskDefinition.Settings.StopIfGoingOnBatteries = false;
                    taskDefinition.Settings.DisallowStartIfOnBatteries = false;

                    taskService.RootFolder.RegisterTaskDefinition(HardwareMonitorService.ScheduledTaskName, taskDefinition);
                }

                existingTask = taskService.FindTask(HardwareMonitorService.ScheduledTaskName);
                existingTask.Run();
            }
            catch (Exception exception)
            {
                Log.Error(exception, "");
            }

            Log.Information("Install complete");
        }
        else if (args.Contains("--uninstall", StringComparer.InvariantCultureIgnoreCase))
        {
            Log.Information("Starting uninstall...");

            try
            {
                using var taskService = new TaskService();

                var existingTask = taskService.FindTask(HardwareMonitorService.ScheduledTaskName);

                existingTask?.Stop();

                taskService.RootFolder.DeleteTask(HardwareMonitorService.ScheduledTaskName, false);
            }
            catch (Exception exception)
            {
                Log.Error(exception, "");
            }

            Log.Information("Uninstall complete");
        }
        else
        {
            Log.Information("Starting");

            try
            {
                while (true)
                {
                    Log.Information("Creating PipeSecurity");

                    var pipeSecurity = new PipeSecurity();
                    pipeSecurity.AddAccessRule(new PipeAccessRule(new SecurityIdentifier(WellKnownSidType.AuthenticatedUserSid, null), PipeAccessRights.ReadWrite, AccessControlType.Allow));

                    Log.Information("Creating NamedPipe");

                    var pipeWithSecurity = NamedPipeServerStreamAcl.Create(HardwareMonitorService.PipeName, PipeDirection.InOut, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous, 0, 0, pipeSecurity);

                    Log.Information("Creating PipeServer");

                    var pipeServer = new PipeServer<IHardwareMonitorService>(new HardwarePipeSerializer(), pipeWithSecurity, () => new HardwareMonitorService());

                    Log.Information("Waiting for connection");

                    await pipeServer.WaitForConnectionAsync().ConfigureAwait(false);

                    Log.Information("Waiting for remote pipe to close");

                    await pipeServer.WaitForRemotePipeCloseAsync().ConfigureAwait(false);

                    Log.Information("Disposing pipe server");

                    pipeServer.Dispose();
                }
            }
            catch (Exception exception)
            {
                Log.Error(exception, "");
            }
        }

        Log.Information("Closing");
    }
}