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 ChatWindow
{
    private void RuntimeTaskSummary_Click(object sender, MouseButtonEventArgs e)
    {
        e.Handled = true;
        _taskSummaryTarget = sender as UIElement ?? RuntimeActivityBadge;
        ShowTaskSummaryPopup();
    }

    private void ShowTaskSummaryPopup()
    {
        if (_taskSummaryTarget == null)
            return;

        if (_taskSummaryPopup != null)
            _taskSummaryPopup.IsOpen = false;

        var primaryText = TryFindResource("PrimaryText") as Brush ?? Brushes.Black;
        var secondaryText = TryFindResource("SecondaryText") as Brush ?? Brushes.DimGray;
        var popupBackground = TryFindResource("LauncherBackground") as Brush ?? Brushes.White;
        var panel = new StackPanel { Margin = new Thickness(2) };
        panel.Children.Add(new TextBlock
        {
            Text = "작업 요약",
            FontSize = 11,
            FontWeight = FontWeights.SemiBold,
            Foreground = primaryText,
            Margin = new Thickness(8, 5, 8, 2),
        });
        panel.Children.Add(new TextBlock
        {
            Text = "현재 상태 요약",
            FontSize = 8.5,
            Foreground = secondaryText,
            Margin = new Thickness(8, 0, 8, 5),
        });

        ChatConversation? currentConversation;
        lock (_convLock) currentConversation = _currentConversation;
        AddTaskSummaryObservabilitySections(panel, currentConversation);

        if (!string.IsNullOrWhiteSpace(_appState.AgentRun.RunId))
        {
            var currentRun = new Border
            {
                Background = BrushFromHex("#F8FAFC"),
                BorderBrush = BrushFromHex("#E2E8F0"),
                BorderThickness = new Thickness(1),
                CornerRadius = new CornerRadius(8),
                Padding = new Thickness(8, 6, 8, 6),
                Margin = new Thickness(6, 0, 6, 6),
                Child = new StackPanel
                {
                    Children =
                    {
                        new TextBlock
                        {
                            Text = $"실행 run {ShortRunId(_appState.AgentRun.RunId)}",
                            FontWeight = FontWeights.SemiBold,
                            Foreground = primaryText,
                            FontSize = 9.75,
                        },
                        new TextBlock
                        {
                            Text = $"{GetRunStatusLabel(_appState.AgentRun.Status)} · step {_appState.AgentRun.LastIteration}",
                            Margin = new Thickness(0, 2, 0, 0),
                            Foreground = GetRunStatusBrush(_appState.AgentRun.Status),
                            FontSize = 9,
                        },
                        new TextBlock
                        {
                            Text = string.IsNullOrWhiteSpace(_appState.AgentRun.Summary) ? "요약 없음" : _appState.AgentRun.Summary,
                            Margin = new Thickness(0, 3, 0, 0),
                            TextWrapping = TextWrapping.Wrap,
                            Foreground = Brushes.DimGray,
                            FontSize = 9,
                        }
                    }
                }
            };
            panel.Children.Add(currentRun);
        }

        var recentAgentRuns = _appState.GetRecentAgentRuns(1);
        if (recentAgentRuns.Count > 0)
        {
            panel.Children.Add(new TextBlock
            {
                Text = "마지막 실행",
                FontSize = 9,
                FontWeight = FontWeights.SemiBold,
                Foreground = Brushes.DimGray,
                Margin = new Thickness(8, 0, 8, 2),
            });

            foreach (var run in recentAgentRuns)
            {
                var runEvents = GetExecutionEventsForRun(run.RunId, 1);
                var runFilePaths = GetExecutionEventFilePaths(run.RunId, 1);
                var runDisplay = _appState.GetRunDisplay(run);
                var runCardStack = new StackPanel
                {
                    Children =
                    {
                        new TextBlock
                        {
                            Text = runDisplay.HeaderText,
                            FontWeight = FontWeights.SemiBold,
                            Foreground = GetRunStatusBrush(run.Status),
                            FontSize = 9.5,
                        },
                        new TextBlock
                        {
                            Text = runDisplay.MetaText,
                            Margin = new Thickness(0, 1, 0, 0),
                            Foreground = secondaryText,
                            FontSize = 8.25,
                        },
                        new TextBlock
                        {
                            Text = TruncateForStatus(runDisplay.SummaryText, 92),
                            Margin = new Thickness(0, 1.5, 0, 0),
                            TextWrapping = TextWrapping.Wrap,
                            Foreground = secondaryText,
                            FontSize = 8.5,
                        }
                    }
                };

                if (runEvents.Count > 0 || runFilePaths.Count > 0)
                {
                    var activitySummary = new StackPanel();
                    activitySummary.Children.Add(new TextBlock
                    {
                        Text = $"로그 {runEvents.Count} · 파일 {runFilePaths.Count}",
                        FontSize = 8,
                        Foreground = secondaryText,
                    });

                    if (!string.IsNullOrWhiteSpace(run.RunId))
                    {
                        var capturedRunId = run.RunId;
                        var timelineButton = CreateTaskSummaryActionButton(
                            "타임라인",
                            "#F8FAFC",
                            "#CBD5E1",
                            "#334155",
                            (_, _) => ScrollToRunInTimeline(capturedRunId),
                            trailingMargin: false);
                        timelineButton.Margin = new Thickness(0, 5, 0, 0);
                        activitySummary.Children.Add(timelineButton);
                    }

                    runCardStack.Children.Add(new Border
                    {
                        Background = BrushFromHex("#F8FAFC"),
                        BorderBrush = BrushFromHex("#E2E8F0"),
                        BorderThickness = new Thickness(1),
                        CornerRadius = new CornerRadius(7),
                        Padding = new Thickness(6, 4, 6, 4),
                        Margin = new Thickness(0, 5, 0, 0),
                        Child = activitySummary
                    });
                }

                if (string.Equals(run.Status, "completed", StringComparison.OrdinalIgnoreCase))
                {
                    var capturedRun = run;
                    var followUpButton = CreateTaskSummaryActionButton(
                        "후속 큐",
                        "#ECFDF5",
                        "#BBF7D0",
                        "#166534",
                        (_, _) => EnqueueFollowUpFromRun(capturedRun),
                        trailingMargin: false);
                    followUpButton.Margin = new Thickness(0, 6, 0, 0);
                    runCardStack.Children.Add(followUpButton);
                }

                if (string.Equals(run.Status, "failed", StringComparison.OrdinalIgnoreCase) && CanRetryCurrentConversation())
                {
                    var retryButton = CreateTaskSummaryActionButton(
                        "다시 시도",
                        "#FEF2F2",
                        "#FCA5A5",
                        "#991B1B",
                        (_, _) =>
                        {
                            _taskSummaryPopup?.SetCurrentValue(Popup.IsOpenProperty, false);
                            RetryLastUserMessageFromConversation();
                        },
                        trailingMargin: false);
                    retryButton.Margin = new Thickness(0, 6, 0, 0);
                    runCardStack.Children.Add(retryButton);
                }

                panel.Children.Add(new Border
                {
                    Background = popupBackground,
                    BorderBrush = BrushFromHex("#E5E7EB"),
                    BorderThickness = new Thickness(1),
                    CornerRadius = new CornerRadius(7),
                    Padding = new Thickness(7, 5, 7, 5),
                    Margin = new Thickness(6, 0, 6, 4),
                    Child = runCardStack
                });
            }
        }

        var activeTasks = FilterTaskSummaryItems(_appState.ActiveTasks).Take(3).ToList();
        var recentTasks = FilterTaskSummaryItems(_appState.RecentTasks).Take(2).ToList();

        foreach (var task in activeTasks)
            panel.Children.Add(BuildTaskSummaryCard(task, active: true));

        if (ShouldIncludeRecentTaskSummary(activeTasks))
        {
            foreach (var task in recentTasks)
                panel.Children.Add(BuildTaskSummaryCard(task, active: false));
        }

        if (activeTasks.Count == 0 && recentTasks.Count == 0)
        {
            panel.Children.Add(new TextBlock
            {
                Text = "표시할 작업 이력이 없습니다.",
                Margin = new Thickness(10, 2, 10, 8),
                Foreground = secondaryText,
            });
        }

        _taskSummaryPopup = new Popup
        {
            PlacementTarget = _taskSummaryTarget,
            Placement = PlacementMode.Top,
            AllowsTransparency = true,
            StaysOpen = false,
            PopupAnimation = PopupAnimation.Fade,
            Child = new Border
            {
                Background = popupBackground,
                BorderBrush = BrushFromHex("#E5E7EB"),
                BorderThickness = new Thickness(1),
                CornerRadius = new CornerRadius(12),
                Padding = new Thickness(6),
                Child = new ScrollViewer
                {
                    Content = panel,
                    MaxHeight = 340,
                    VerticalScrollBarVisibility = ScrollBarVisibility.Auto,
                }
            }
        };

        _taskSummaryPopup.IsOpen = true;
    }

    private Border BuildTaskSummaryCard(TaskRunStore.TaskRun task, bool active)
    {
        var primaryText = TryFindResource("PrimaryText") as Brush ?? Brushes.Black;
        var secondaryText = TryFindResource("SecondaryText") as Brush ?? Brushes.DimGray;
        var (kindIcon, kindColor) = GetTaskKindVisual(task.Kind);
        var categoryLabel = GetTranscriptTaskCategory(task);
        var displayTitle = string.Equals(task.Kind, "tool", StringComparison.OrdinalIgnoreCase)
                           || string.Equals(task.Kind, "permission", StringComparison.OrdinalIgnoreCase)
                           || string.Equals(task.Kind, "hook", StringComparison.OrdinalIgnoreCase)
            ? GetAgentItemDisplayName(task.Title)
            : task.Title;
        var taskStack = new StackPanel();
        var headerRow = new StackPanel
        {
            Orientation = Orientation.Horizontal,
            Margin = new Thickness(0, 0, 0, 2),
        };
        headerRow.Children.Add(new TextBlock
        {
            Text = kindIcon,
            FontFamily = new FontFamily("Segoe MDL2 Assets"),
            FontSize = 9.5,
            Foreground = kindColor,
            Margin = new Thickness(0, 0, 4, 0),
            VerticalAlignment = VerticalAlignment.Center,
        });
        headerRow.Children.Add(new TextBlock
        {
            Text = active
                ? $"진행 중 · {displayTitle}"
                : $"{GetTaskStatusLabel(task.Status)} · {displayTitle}",
            FontSize = 9.5,
            FontWeight = FontWeights.SemiBold,
            Foreground = active ? primaryText : secondaryText,
            TextWrapping = TextWrapping.Wrap,
        });
        taskStack.Children.Add(headerRow);

        taskStack.Children.Add(new Border
        {
            Background = BrushFromHex("#F8FAFC"),
            BorderBrush = BrushFromHex("#E5E7EB"),
            BorderThickness = new Thickness(1),
            CornerRadius = new CornerRadius(999),
            Padding = new Thickness(6, 1, 6, 1),
            Margin = new Thickness(0, 0, 0, 4),
            HorizontalAlignment = HorizontalAlignment.Left,
            Child = new TextBlock
            {
                Text = categoryLabel,
                FontSize = 8,
                FontWeight = FontWeights.SemiBold,
                Foreground = secondaryText,
            },
        });

        if (!string.IsNullOrWhiteSpace(task.Summary))
        {
            taskStack.Children.Add(new TextBlock
            {
                Text = TruncateForStatus(task.Summary, 96),
                FontSize = 8.75,
                Foreground = secondaryText,
                TextWrapping = TextWrapping.Wrap,
            });
        }

        var reviewChipRow = BuildReviewSignalChipRow(
            kind: task.Kind,
            toolName: task.Title,
            title: displayTitle,
            summary: task.Summary);
        if (reviewChipRow != null)
            taskStack.Children.Add(reviewChipRow);

        var actionRow = BuildTaskSummaryActionRow(task, active);
        if (actionRow != null)
            taskStack.Children.Add(actionRow);

        return new Border
        {
            Background = active ? BrushFromHex("#F8FAFC") : (TryFindResource("LauncherBackground") as Brush ?? Brushes.White),
            BorderBrush = BrushFromHex("#E5E7EB"),
            BorderThickness = new Thickness(1),
            CornerRadius = new CornerRadius(7),
            Padding = new Thickness(8, 5, 8, 5),
            Margin = new Thickness(8, 0, 8, 4),
            Child = taskStack
        };
    }
}