@page "/wishlist"
@using LibraryManagement.Shared.Models
@using BlazorWebAssembly.Services
@inject LibraryApiClient ApiClient
@inject WishlistService WishlistService
@inject NavigationManager Navigation
@inject IJSRuntime JS

<div class="max-w-6xl mx-auto py-12 px-6">
    <!-- Header -->
    <div class="text-center mb-16">
        <h1 class="text-5xl font-black tracking-tight text-main mb-4">My Wishlist</h1>
        <p class="text-lg text-muted max-w-xl mx-auto">
            A curated collection of books you're waiting for. We'll notify you as soon as they're back on the shelf.
        </p>
    </div>

    @if (_isLoading)
    {
        <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-8">
            @for (int i = 0; i < 3; i++)
            {
                <div class="animate-pulse bg-card rounded-2xl border border-border h-48"></div>
            }
        </div>
    }
    else if (!_wishlistItems.Any())
    {
        <div class="text-center py-24 bg-card rounded-[2.5rem] border border-dashed border-border">
            <h3 class="text-2xl font-bold text-main mb-4">Your wishlist is empty</h3>
            <p class="text-muted mb-8">Found a book that's currently borrowed? Add it to your wishlist!</p>
            <a href="/books" class="bg-primary text-white px-10 py-4 rounded-xl font-black hover:bg-primary-hover transition-all shadow-lg shadow-primary/20 inline-block text-center">
                Go to Catalog
            </a>
        </div>
    }
    else
    {
        <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-8">
            @foreach (var book in _wishlistItems)
            {
                <div class="bg-card rounded-2xl border border-border p-6 flex items-center gap-6 group hover:border-primary transition-all">
                    <div class="w-20 h-28 bg-body rounded-lg overflow-hidden flex-shrink-0 border border-border flex items-center justify-center">
                         @if (!string.IsNullOrEmpty(book.CoverUrl))
                        {
                            <img src="@book.CoverUrl" alt="@book.Title" class="w-full h-full object-cover" />
                        }
                        else
                        {
                            <svg class="w-8 h-8 text-muted opacity-20" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 6.253v13m0-13C10.832 5.477 9.246 5 7.5 5S4.168 5.477 3 6.253v13C4.168 18.477 5.754 18 7.5 18s3.332.477 4.5 1.253m0-13C13.168 5.477 14.754 5 16.5 5c1.747 0 3.332.477 4.5 1.253v13C19.832 18 18.246 18.477 16.5 18c-1.746 0-3.332.477-4.5 1.253"></path></svg>
                        }
                    </div>
                    <div class="flex-grow">
                        <h3 class="font-bold text-main line-clamp-1 group-hover:text-primary transition-colors">@book.Title</h3>
                        <p class="text-xs text-muted mb-4 font-medium">@book.Author</p>
                        
                        <div class="flex items-center justify-between mt-auto">
                            <span class='px-2 py-0.5 rounded text-[9px] font-black uppercase tracking-widest @(book.AvailableCopies > 0 ? "bg-green-500/10 text-green-600" : "bg-orange-500/10 text-orange-600")'>
                                @(book.AvailableCopies > 0 ? "Available" : "Waiting")
                            </span>
                            <button @onclick="() => RemoveFromWishlistAsync(book.Id)" class="text-xs font-bold text-red-400 hover:text-red-500 transition-colors">Remove</button>
                        </div>
                    </div>
                </div>
            }
        </div>
    }
</div>

@code {
    private bool _isLoading = true;
    private List<BookDto> _wishlistItems = new();

    protected override async Task OnInitializedAsync()
    {
        await LoadData();
    }

    private async Task LoadData()
    {
        _isLoading = true;
        try
        {
            _wishlistItems = await WishlistService.GetWishlistAsync();
        }
        catch { }
        finally
        {
            _isLoading = false;
        }
    }

    private async Task RemoveFromWishlistAsync(int bookId)
    {
        await WishlistService.RemoveFromWishlistAsync(bookId);
        await LoadData();
        await JS.InvokeVoidAsync("alert", "Removed from wishlist");
    }
}