using System.Windows;
using System.Windows.Controls;
using System.Windows.Controls.Primitives;
using System.Windows.Input;
using System.Windows.Media;
using AxCopilot.Models;
using AxCopilot.Services;

namespace AxCopilot.Views;

public partial class MacroEditorWindow : Window
{
    private readonly SettingsService _settings;
    private readonly MacroEntry?     _editing;

    // 유형 목록
    private static readonly string[] StepTypes = { "app", "url", "folder", "notification", "cmd" };
    private static readonly string[] StepTypeLabels = { "앱", "URL", "폴더", "알림", "PowerShell" };

    // 각 행의 컨트롤 참조
    private readonly List<StepRowUi> _rows = new();

    // 공유 타입 팝업
    private readonly Popup _typePopup = new()
    {
        StaysOpen        = false,
        AllowsTransparency = true,
        Placement        = System.Windows.Controls.Primitives.PlacementMode.Bottom
    };
    private StepRowUi? _typeTargetRow;

    public MacroEditorWindow(MacroEntry? entry, SettingsService settings)
    {
        InitializeComponent();
        _settings = settings;
        _editing  = entry;
        Loaded += OnLoaded;
    }

    private void OnLoaded(object sender, RoutedEventArgs e)
    {
        BuildTypePopup();

        if (_editing != null)
        {
            NameBox.Text = _editing.Name;
            DescBox.Text = _editing.Description;
            foreach (var step in _editing.Steps)
                AddRow(step);
        }

        if (_rows.Count == 0)
            AddRow(null); // 기본 빈 행
    }

    // ─── 팝업 빌드 ──────────────────────────────────────────────────────────
    private void BuildTypePopup()
    {
        var bg     = TryFindResource("ItemBackground")  as Brush ?? Brushes.DimGray;
        var border = TryFindResource("BorderColor")     as Brush ?? Brushes.Gray;
        var fg     = TryFindResource("PrimaryText")     as Brush ?? Brushes.White;
        var hover  = TryFindResource("ItemHoverBackground") as Brush ?? Brushes.Gray;

        var panel = new StackPanel { Background = bg, MinWidth = 100 };

        for (int i = 0; i < StepTypes.Length; i++)
        {
            var idx   = i;
            var label = StepTypeLabels[i];

            var item = new Border
            {
                Padding    = new Thickness(12, 6, 12, 6),
                Background = Brushes.Transparent,
                Cursor     = Cursors.Hand,
                Tag        = idx
            };
            item.MouseEnter += (_, _) => item.Background = hover;
            item.MouseLeave += (_, _) => item.Background = Brushes.Transparent;
            item.MouseLeftButtonUp += (_, _) =>
            {
                if (_typeTargetRow != null)
                    SetRowType(_typeTargetRow, idx);
                _typePopup.IsOpen = false;
            };
            item.Child = new TextBlock
            {
                Text       = label,
                FontSize   = 12,
                Foreground = fg
            };
            panel.Children.Add(item);
        }

        var outerBorder = new Border
        {
            Background      = bg,
            BorderBrush     = border,
            BorderThickness = new Thickness(1),
            CornerRadius    = new CornerRadius(6),
            Child           = panel,
            Effect          = new System.Windows.Media.Effects.DropShadowEffect
            {
                BlurRadius   = 12,
                ShadowDepth  = 3,
                Opacity      = 0.3,
                Color        = Colors.Black,
                Direction    = 270
            }
        };

        _typePopup.Child = outerBorder;
    }

    // ─── 행 추가 ────────────────────────────────────────────────────────────
    private void AddRow(MacroStep? step)
    {
        var bg      = TryFindResource("ItemBackground")  as Brush ?? Brushes.DimGray;
        var border  = TryFindResource("BorderColor")     as Brush ?? Brushes.Gray;
        var accent  = TryFindResource("AccentColor")     as Brush ?? Brushes.Blue;
        var secFg   = TryFindResource("SecondaryText")   as Brush ?? Brushes.Gray;
        var primFg  = TryFindResource("PrimaryText")     as Brush ?? Brushes.White;

        var row = new StepRowUi();

        var grid = new Grid { Margin = new Thickness(0, 0, 0, 4) };
        grid.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(90) });
        grid.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(1, GridUnitType.Star) });
        grid.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(80) });
        grid.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(70) });
        grid.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(28) });

        // Col 0: 유형 버튼
        var typeLbl = new TextBlock
        {
            FontSize          = 11,
            VerticalAlignment = VerticalAlignment.Center,
            Foreground        = primFg,
            Text              = StepTypeLabels[0]
        };
        var typeBtn = new Border
        {
            Background      = bg,
            BorderBrush     = border,
            BorderThickness = new Thickness(1),
            CornerRadius    = new CornerRadius(4),
            Padding         = new Thickness(6, 4, 6, 4),
            Cursor          = Cursors.Hand,
            Child           = typeLbl,
            Margin          = new Thickness(0, 0, 4, 0)
        };
        typeBtn.MouseLeftButtonUp += (_, _) =>
        {
            _typeTargetRow        = row;
            _typePopup.PlacementTarget = typeBtn;
            _typePopup.IsOpen     = true;
        };
        row.TypeButton = typeBtn;
        row.TypeLabel  = typeLbl;
        Grid.SetColumn(typeBtn, 0);

        // Col 1: 대상
        var targetBox = new TextBox
        {
            FontSize        = 11,
            Foreground      = primFg,
            Background      = (Brush)TryFindResource("LauncherBackground")! ?? Brushes.Black,
            BorderBrush     = border,
            BorderThickness = new Thickness(1),
            Padding         = new Thickness(6, 4, 6, 4),
            Margin          = new Thickness(0, 0, 4, 0),
            Text            = step?.Target ?? ""
        };
        row.TargetBox = targetBox;
        Grid.SetColumn(targetBox, 1);

        // Col 2: 표시 이름
        var labelBox = new TextBox
        {
            FontSize        = 11,
            Foreground      = secFg,
            Background      = (Brush)TryFindResource("LauncherBackground")! ?? Brushes.Black,
            BorderBrush     = border,
            BorderThickness = new Thickness(1),
            Padding         = new Thickness(6, 4, 6, 4),
            Margin          = new Thickness(0, 0, 4, 0),
            Text            = step?.Label ?? ""
        };
        row.LabelBox = labelBox;
        Grid.SetColumn(labelBox, 2);

        // Col 3: 딜레이
        var delayBox = new TextBox
        {
            FontSize        = 11,
            Foreground      = primFg,
            Background      = (Brush)TryFindResource("LauncherBackground")! ?? Brushes.Black,
            BorderBrush     = border,
            BorderThickness = new Thickness(1),
            Padding         = new Thickness(6, 4, 6, 4),
            Margin          = new Thickness(0, 0, 4, 0),
            Text            = (step?.DelayMs ?? 500).ToString()
        };
        row.DelayBox = delayBox;
        Grid.SetColumn(delayBox, 3);

        // Col 4: 삭제
        var delBtn = new Border
        {
            Width           = 24,
            Height          = 24,
            CornerRadius    = new CornerRadius(4),
            Background      = Brushes.Transparent,
            Cursor          = Cursors.Hand,
            VerticalAlignment = VerticalAlignment.Center,
            Child           = new TextBlock
            {
                Text              = "\uE711",
                FontFamily        = new FontFamily("Segoe MDL2 Assets"),
                FontSize          = 11,
                Foreground        = secFg,
                HorizontalAlignment = HorizontalAlignment.Center,
                VerticalAlignment   = VerticalAlignment.Center
            }
        };
        delBtn.MouseEnter += (_, _) => delBtn.Background = new SolidColorBrush(Color.FromArgb(0x30, 0xC0, 0x50, 0x50));
        delBtn.MouseLeave += (_, _) => delBtn.Background = Brushes.Transparent;
        delBtn.MouseLeftButtonUp += (_, _) => RemoveRow(row);
        Grid.SetColumn(delBtn, 4);

        grid.Children.Add(typeBtn);
        grid.Children.Add(targetBox);
        grid.Children.Add(labelBox);
        grid.Children.Add(delayBox);
        grid.Children.Add(delBtn);

        row.Grid = grid;

        // 유형 초기화
        int typeIdx = step != null ? Array.IndexOf(StepTypes, step.Type.ToLowerInvariant()) : 0;
        if (typeIdx < 0) typeIdx = 0;
        SetRowType(row, typeIdx);

        _rows.Add(row);
        StepsPanel.Children.Add(grid);
    }

    private void SetRowType(StepRowUi row, int typeIdx)
    {
        row.TypeIndex = typeIdx;
        row.TypeLabel.Text = StepTypeLabels[typeIdx];

        var accent = TryFindResource("AccentColor")   as Brush ?? Brushes.Blue;
        var secFg  = TryFindResource("SecondaryText") as Brush ?? Brushes.Gray;

        row.TypeLabel.Foreground = accent;
    }

    private void RemoveRow(StepRowUi row)
    {
        StepsPanel.Children.Remove(row.Grid);
        _rows.Remove(row);
    }

    // ─── 버튼 이벤트 ─────────────────────────────────────────────────────────
    private void BtnAddStep_Click(object sender, MouseButtonEventArgs e) => AddRow(null);

    private void BtnSave_Click(object sender, MouseButtonEventArgs e)
    {
        var name = NameBox.Text.Trim();
        if (string.IsNullOrWhiteSpace(name))
        {
            MessageBox.Show("매크로 이름을 입력하세요.", "저장 오류",
                MessageBoxButton.OK, MessageBoxImage.Warning);
            return;
        }

        var steps = _rows
            .Where(r => !string.IsNullOrWhiteSpace(r.TargetBox.Text))
            .Select(r => new MacroStep
            {
                Type    = StepTypes[r.TypeIndex],
                Target  = r.TargetBox.Text.Trim(),
                Label   = r.LabelBox.Text.Trim(),
                DelayMs = int.TryParse(r.DelayBox.Text, out var d) ? Math.Max(0, d) : 500
            })
            .ToList();

        var entry = _editing ?? new MacroEntry();
        entry.Name        = name;
        entry.Description = DescBox.Text.Trim();
        entry.Steps       = steps;

        if (_editing == null)
            _settings.Settings.Macros.Add(entry);

        _settings.Save();
        NotificationService.Notify("AX Copilot", $"매크로 '{entry.Name}' 저장됨");
        Close();
    }

    private void BtnCancel_Click(object sender, MouseButtonEventArgs e) => Close();
    private void BtnClose_Click(object sender, MouseButtonEventArgs e)  => Close();
    private void TitleBar_MouseDown(object sender, MouseButtonEventArgs e)
    {
        if (e.LeftButton == MouseButtonState.Pressed) DragMove();
    }

    // ─── 내부 행 참조 클래스 ──────────────────────────────────────────────────
    private class StepRowUi
    {
        public Grid     Grid      = null!;
        public Border   TypeButton = null!;
        public TextBlock TypeLabel = null!;
        public TextBox  TargetBox = null!;
        public TextBox  LabelBox  = null!;
        public TextBox  DelayBox  = null!;
        public int      TypeIndex;
    }
}