using System;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Threading;

namespace AxCopilot.Views;

public partial class ChatWindow
{
    private void ShowAgentLiveCard(string runTab)
    {
        if (MessageList == null) return;
        if (!string.Equals(runTab, _activeTab, StringComparison.OrdinalIgnoreCase)) return;

        ShowAgentLiveCardV2(runTab);
    }

    private void UpdateAgentLiveCard(string message, string? subItem = null,
        string? category = null, bool clearSubItems = false)
    {
        if (_agentLiveContainer == null || _agentLiveStatusText == null) return;

        _agentLiveStatusText.Text = message;

        if (clearSubItems || (category != null && category != _agentLiveCurrentCategory))
        {
            _agentLiveSubItemTexts.Clear();
            _agentLiveSubItems?.Children.Clear();
            if (category != null)
                _agentLiveCurrentCategory = category;
        }

        if (string.IsNullOrEmpty(subItem) || _agentLiveSubItemTexts.Contains(subItem))
            return;

        _agentLiveSubItemTexts.Add(subItem);
        const int maxLiveSubItems = 8;
        if (_agentLiveSubItemTexts.Count > maxLiveSubItems)
        {
            _agentLiveSubItemTexts.RemoveAt(0);
            if (_agentLiveSubItems?.Children.Count > 0)
                _agentLiveSubItems.Children.RemoveAt(0);
        }

        var secondary = TryFindResource("SecondaryText") as Brush ?? Brushes.Gray;
        var tb = new TextBlock
        {
            Text = $"› {subItem}",
            FontSize = 10.5,
            FontFamily = s_segoeUiFont,
            Foreground = secondary,
            Opacity = 0.62,
            TextTrimming = TextTrimming.CharacterEllipsis,
            MaxWidth = 520,
            Margin = new Thickness(0, 1, 0, 0),
        };
        _agentLiveSubItems?.Children.Add(tb);
        ForceScrollToEnd();
    }

    private void RemoveAgentLiveCard(bool animated = true)
    {
        // V2 분기 — V2 라이브 컨테이너도 함께 정리
        if (_v2LiveContainer != null)
            RemoveAgentLiveCardV2(animated);

        _agentLiveElapsedTimer?.Stop();
        _agentLiveElapsedTimer = null;

        if (_agentLiveContainer == null)
            return;

        // 라이브 카드에 연결된 아이콘 애니메이션 상태 제거
        _chatIconAnimStates.RemoveAll(s => s.Host != null && !s.Host.IsVisible);

        var toRemove = _agentLiveContainer;
        _agentLiveContainer = null;
        _agentLiveStatusText = null;
        _agentLiveSubItems = null;
        _agentLiveElapsedText = null;
        _agentLiveSubItemTexts.Clear();
        _agentLiveCurrentCategory = null;

        if (animated && ContainsTranscriptElement(toRemove) && !IsLightweightLiveProgressMode())
        {
            var anim = new DoubleAnimation(toRemove.Opacity, 0, TimeSpan.FromMilliseconds(160));
            anim.Completed += (_, _) => RemoveTranscriptElement(toRemove);
            toRemove.BeginAnimation(UIElement.OpacityProperty, anim);
            return;
        }

        RemoveTranscriptElement(toRemove);
    }
}