AX-Copilot-Codex/src/AxCopilot/Views/ReminderPopupWindow.xaml.cs

using System.Runtime.InteropServices;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Interop;
using System.Windows.Threading;
using AxCopilot.Services;

namespace AxCopilot.Views;

/// <summary>
/// 잠금 해제 시 화면 모서리에 표시되는 격려 팝업.
/// 테마는 Application.Current.Resources의 DynamicResource로 자동 적용됩니다.
/// 포커스를 빼앗지 않으며(WS_EX_NOACTIVATE), 지정된 초 후 자동으로 닫힙니다.
/// </summary>
public partial class ReminderPopupWindow : Window
{
    // ─── 포커스 방지 P/Invoke (64비트 안전) ────────────────────────────────────
    [DllImport("user32.dll", EntryPoint = "GetWindowLongPtr")]
    private static extern IntPtr GetWindowLongPtr(IntPtr hwnd, int nIndex);
    [DllImport("user32.dll", EntryPoint = "SetWindowLongPtr")]
    private static extern IntPtr SetWindowLongPtr(IntPtr hwnd, int nIndex, IntPtr dwNewLong);

    private const int GWL_EXSTYLE       = -20;
    private const int WS_EX_NOACTIVATE  = 0x08000000;
    private const int WS_EX_TOOLWINDOW  = 0x00000080;

    // ─── 타이머 ───────────────────────────────────────────────────────────────
    private readonly DispatcherTimer _timer;
    private readonly EventHandler _tickHandler;
    private readonly CancellationTokenSource _autoCloseCts = new();
    private readonly DateTime _closeAtUtc;
    private readonly int _displaySeconds;

    public ReminderPopupWindow(
        string quoteText,
        string? author,
        TimeSpan todayUsage,
        SettingsService settings)
    {
        InitializeComponent();

        var cfg = settings.Settings.Reminder;

        // ── 문구 / 출처 ──
        QuoteText.Text = quoteText;
        if (!string.IsNullOrWhiteSpace(author))
        {
            AuthorText.Text       = $"— {author}";
            AuthorText.Visibility = Visibility.Visible;
        }

        // ── 근무 시간 ──
        var h = (int)todayUsage.TotalHours;
        var m = todayUsage.Minutes;
        UsageText.Text = h > 0
            ? $"오늘 총 {h}시간 {m}분 근무 중"
            : m >= 1
                ? $"오늘 총 {m}분 근무 중"
                : "오늘 방금 시작했습니다";

        // ── 카운트다운 ──
        _displaySeconds = Math.Max(3, cfg.DisplaySeconds);
        _closeAtUtc = DateTime.UtcNow.AddSeconds(_displaySeconds);
        CountdownBar.Maximum = _displaySeconds;
        CountdownBar.Value   = _displaySeconds;

        // ── 위치: 레이아웃 완료 후 설정 ──
        Loaded += (_, _) =>
        {
            SetNoActivate();
            PositionWindow(cfg.Corner);
            AnimateIn();
        };

        // ── 타이머 ──
        _tickHandler = (_, _) =>
        {
            var remainingSeconds = Math.Max(0, (_closeAtUtc - DateTime.UtcNow).TotalSeconds);
            CountdownBar.Value = remainingSeconds;
            if (remainingSeconds <= 0)
                Close();
        };
        _timer = new DispatcherTimer { Interval = TimeSpan.FromSeconds(1) };
        _timer.Tick += _tickHandler;
        _timer.Start();
        _ = StartAutoCloseAsync(_autoCloseCts.Token);

        // ── Esc 키 닫기 ──
        KeyDown += (_, e) =>
        {
            if (e.Key == System.Windows.Input.Key.Escape) Close();
        };
    }

    // ─── 포커스 방지 ─────────────────────────────────────────────────────────

    protected override void OnSourceInitialized(EventArgs e)
    {
        base.OnSourceInitialized(e);
        SetNoActivate();
    }

    private void SetNoActivate()
    {
        var hwnd = new WindowInteropHelper(this).Handle;
        if (hwnd == IntPtr.Zero) return;
        var style = (long)GetWindowLongPtr(hwnd, GWL_EXSTYLE);
        SetWindowLongPtr(hwnd, GWL_EXSTYLE, (IntPtr)(style | WS_EX_NOACTIVATE | WS_EX_TOOLWINDOW));
    }

    // ─── 위치 계산 ────────────────────────────────────────────────────────────

    private void PositionWindow(string corner)
    {
        var area   = SystemParameters.WorkArea;
        const double margin = 20;

        Left = corner.Contains("left")
            ? area.Left + margin
            : area.Right - ActualWidth - margin;

        Top = corner.Contains("top")
            ? area.Top + margin
            : area.Bottom - ActualHeight - margin;
    }

    // ─── 등장 애니메이션 ──────────────────────────────────────────────────────

    private void AnimateIn()
    {
        Opacity = 0;
        var anim = new System.Windows.Media.Animation.DoubleAnimation(0, 1,
            TimeSpan.FromMilliseconds(280));
        BeginAnimation(OpacityProperty, anim);
    }

    // ─── 이벤트 ───────────────────────────────────────────────────────────────

    private void CloseBtn_Click(object sender, RoutedEventArgs e) => Close();

    private async Task StartAutoCloseAsync(CancellationToken cancellationToken)
    {
        try
        {
            await Task.Delay(TimeSpan.FromSeconds(_displaySeconds), cancellationToken);
            if (cancellationToken.IsCancellationRequested)
                return;

            await Dispatcher.InvokeAsync(() =>
            {
                if (IsVisible)
                    Close();
            }, DispatcherPriority.Background, cancellationToken);
        }
        catch (TaskCanceledException)
        {
        }
        catch (OperationCanceledException)
        {
        }
    }

    protected override void OnClosed(EventArgs e)
    {
        _autoCloseCts.Cancel();
        _timer.Stop();
        _timer.Tick -= _tickHandler;
        _autoCloseCts.Dispose();
        base.OnClosed(e);
    }
}