@using NexusReader.UI.Shared.Services
@using NexusReader.Application.DTOs.AI
@inject KnowledgeCoordinator Coordinator
@inject IReaderInteractionService InteractionService

@if (IsVisible)
{
    <div class="selection-ai-panel expanded @(PositionBelow ? "below" : "")" style="@PanelStyle">
        <div class="ai-bubble">
            <div class="ai-avatar">
                <div class="avatar-ring"></div>
                <NexusIcon Name="robot" Size="48" Class="neon-pulse" />
                <div class="avatar-label">
                    <span class="name">E-Czytnik</span>
                    <span class="role">Asystent AI</span>
                </div>
            </div>
            <div class="ai-content">
                @if (IsLoading)
                {
                    <div class="loading-state">
                        <div class="shimmer">Skanowanie fragmentu...</div>
                    </div>
                }
                else if (Packet != null)
                {
                    <div class="summary-box">
                        <NexusTypography Variant="NexusTypography.TypographyVariant.UI">@Packet.Summary</NexusTypography>
                    </div>
                    <div class="ai-actions">
                        <button class="action-btn neon-border" @onclick="GenerateFullQuiz">Generuj Quiz dla całej strony</button>
                        <button class="action-btn ghost" @onclick="CloseAsync">Zamknij</button>
                    </div>
                }
                else
                {
                    <div class="summary-box">
                        <NexusTypography Variant="NexusTypography.TypographyVariant.UI">Wykryto ciekawy fragment! Czy chcesz, abym wygenerował podsumowanie lub quiz z tego rozdziału?</NexusTypography>
                    </div>
                    <div class="ai-actions">
                        <button class="action-btn neon-border" @onclick="RequestSummary">Podsumuj zaznaczenie</button>
                        <button class="action-btn ghost" @onclick="CloseAsync">Pomiń</button>
                    </div>
                }
            </div>
            <div class="bubble-pointer"></div>
        </div>
    </div>
}

@code {
    [Parameter] public string SelectedText { get; set; } = string.Empty;
    [Parameter] public string BlockId { get; set; } = string.Empty;
    [Parameter] public SelectionCoordinates? Coordinates { get; set; }
    [Parameter] public string FullPageContent { get; set; } = string.Empty;

    private bool IsVisible => !string.IsNullOrEmpty(SelectedText) && Coordinates != null;
    private bool IsLoading = false;
    private KnowledgePacket? Packet;
    private bool PositionBelow => Coordinates != null && Coordinates.Top < 320;

    protected override void OnParametersSet()
    {
        Console.WriteLine($"[SelectionAiPanel] Parameters set. SelectedText: {SelectedText.Length} chars, Coordinates: {Coordinates?.Top}, PositionBelow: {PositionBelow}");
        // Reset packet when selection changes
        Packet = null;
    }

    private string PanelStyle => Coordinates != null 
        ? string.Create(System.Globalization.CultureInfo.InvariantCulture, 
            $"top: {(PositionBelow ? Coordinates.Top + 35 : Coordinates.Top - 15):F1}px !important; " +
            $"left: {Math.Clamp(Coordinates.Left + Coordinates.Width / 2, 280, 1600):F1}px !important; " +
            $"transform: translate(-50%, {(PositionBelow ? "0" : "-100%")}) !important;")
        : "";

    private async Task RequestSummary()
    {
        IsLoading = true;
        var contextPrompt = !string.IsNullOrWhiteSpace(FullPageContent) 
            ? $"ANALYSIS CONTEXT (Full Page Content):\n{FullPageContent}\n\nUSER SELECTION TO SUMMARIZE:\n" 
            : "";
        
        var result = await Coordinator.RequestSummaryAndQuizAsync($"{contextPrompt}{SelectedText}");
        Packet = result.IsSuccess ? result.Value : null;
        IsLoading = false;
    }

    private async Task GenerateFullQuiz()
    {
        IsLoading = true;
        await Coordinator.RequestSummaryAndQuizAsync(FullPageContent);
        IsLoading = false;
        await CloseAsync();
    }

    private async Task CloseAsync()
    {
        Packet = null;
        await InteractionService.NotifyTextSelected(string.Empty, string.Empty, null!);
    }
}