@using NexusReader.Application.DTOs.User
@using NexusReader.UI.Shared.Components.Atoms
@inject NavigationManager NavigationManager

<section class="current-reading-card glass-panel">
    @if (Book != null)
    {
        <div @key='"current-reading-book"' class="card-layout">
            <div class="book-cover">
                <img src="@(Book.CoverUrl ?? "https://via.placeholder.com/120x180?text=No+Cover")" alt="@Book.Title" />
            </div>
            
            <div class="book-details">
                <div class="header-info">
                    <h3 class="book-title">@Book.Title</h3>
                    <span class="author-name">by @Book.Author.Name</span>
                </div>

                <div class="chapter-progress">
                    <div class="progress-header">
                        <span class="chapter-name">@Book.LastChapter</span>
                        <span class="percentage">@(Book.Progress.ToString("F0"))%</span>
                    </div>
                    <div class="progress-bar-container">
                        <div class="progress-bar-fill" style="width: @(Book.Progress.ToString("F0"))%"></div>
                    </div>
                </div>

                @if (!string.IsNullOrEmpty(Book.Description))
                {
                    <p class="book-excerpt">
                        @Book.Description
                    </p>
                }
                else
                {
                    <p class="book-excerpt empty">
                        Kontynuuj odkrywanie wiedzy w książce "@Book.Title". 
                        Twój cyfrowy asystent Nexus jest gotowy do analizy kolejnych rozdziałów i generowania interaktywnych map myśli.
                    </p>
                }

                <div class="actions">
                    <button class="btn-nexus outline" @onclick="HandleContinueReading">
                        Continue Reading
                        <NexusIcon Name="arrow-right" Size="16" />
                    </button>
                </div>
            </div>
        </div>
    }
    else
    {
        <div @key='"current-reading-empty"' class="empty-state">
            <div class="empty-icon">
                <NexusIcon Name="book-open" Size="48" />
            </div>
            <div class="empty-text">
                <h3>Brak aktywnych lektur</h3>
                <p>Przejdź do katalogu lub swoich książek, aby rozpocząć przygodę z Nexus Reader.</p>
            </div>
            <button class="btn-nexus primary" @onclick='() => NavigationManager.NavigateTo("/my-books")'>
                Przejdź do Moich Książek
            </button>
        </div>
    }
</section>

@code {
    [Parameter] public LastReadBookDto? Book { get; set; }

    private void HandleContinueReading()
    {
        if (Book != null)
        {
            NavigationManager.NavigateTo($"/reader/{Book.Id}?chapter={Book.LastChapterIndex}");
        }
    }
}