TheWatcher/AutoShutdown/Plogon.cs

using System;
using System.Diagnostics;
using System.Reflection;
using System.Windows.Forms;
using AutoRetainerAPI;
using Dalamud.Plugin;
using Dalamud.Plugin.Services;
using ECommons;
using FFXIVClientStructs.FFXIV.Client.System.Framework;
using LLib;

namespace AutoShutdown;

public class Plogon : IDalamudPlugin
{
    private readonly AutoRetainerApi _autoRetainerApi;
    private readonly DalamudReflector _reflector;
    private readonly IPluginLog _pluginLog;
    private readonly IClientState _clientState;

    public Plogon(DalamudPluginInterface pluginInterface, IFramework framework, IPluginLog pluginLog,
        IClientState clientState)
    {
        ECommonsMain.Init(pluginInterface, this);
        _autoRetainerApi = new AutoRetainerApi();
        _reflector = new DalamudReflector(pluginInterface, framework, pluginLog);
        _pluginLog = pluginLog;
        _clientState = clientState;

        _clientState.Logout += SetupShutdown;

        framework.RunOnTick(() => SetupShutdown(), TimeSpan.FromSeconds(10));
    }

    private long StartedAt { get; } = Environment.TickCount64;
    private long ShutdownAt => StartedAt + (long)TimeSpan.FromDays(2).TotalMilliseconds;

    private void SetupShutdown()
    {
        if (_autoRetainerApi.Ready && _reflector.TryGetDalamudPlugin("AutoRetainer", out var autoRetainer, false, true))
        {
            var shutdown = autoRetainer.GetType().Assembly.GetType("AutoRetainer.Modules.Shutdown")!;

            var shutdownAt = shutdown.GetField("ShutdownAt", BindingFlags.Static | BindingFlags.NonPublic)!;
            var forceShutdownAt = shutdown.GetField("ForceShutdownAt", BindingFlags.Static | BindingFlags.NonPublic)!;

            var currentShutdownAt = (long?)shutdownAt.GetValue(null) ?? 0;
            if (currentShutdownAt == 0)
            {
                _pluginLog.Information(
                    $"Setting shutdown date to {new DateTime(TimeSpan.FromMilliseconds(ShutdownAt).Ticks)}");
                shutdownAt.SetValue(null, ShutdownAt);
                forceShutdownAt.SetValue(null, ShutdownAt + (long)TimeSpan.FromMinutes(10).TotalMilliseconds);
            }
            else
            {
                _pluginLog.Information(
                    $"Shutdown is already set to {new DateTime(TimeSpan.FromMilliseconds(currentShutdownAt).Ticks)}");
            }
        }

        // move to background using alt+esc
        SendKeys.SendWait("%({esc})");
    }

    public void Dispose()
    {
        _clientState.Logout -= SetupShutdown;
        _reflector.Dispose();
        _autoRetainerApi.Dispose();
        ECommonsMain.Dispose();
    }
}