@page "/register"
@using BlazorWebAssembly.Services
@using LibraryManagement.Shared.Models
@inject AuthService AuthService
@inject NavigationManager Navigation

<div class="min-h-[90vh] flex items-center justify-center py-12 px-6">
    <div class="w-full max-w-lg">
        <!-- Brand / Header -->
        <div class="text-center mb-12">
            <h1 class="text-4xl font-black text-main mb-3 tracking-tight">Create Account</h1>
            <p class="text-muted text-lg">Join our community and start your reading journey today.</p>
        </div>

        <!-- Register Form -->
        <div class="bg-card p-10 rounded-[2.5rem] border border-border shadow-2xl shadow-primary/5">
            <EditForm Model="@_registerModel" OnValidSubmit="HandleRegister" class="space-y-6">
                <DataAnnotationsValidator />
                
                <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
                    <div class="md:col-span-2">
                        <label class="block text-xs font-black text-muted uppercase tracking-[0.2em] mb-2">Full Name</label>
                        <InputText @bind-Value="_registerModel.FullName" 
                                   class="w-full bg-body border border-border rounded-xl px-4 py-3 focus:ring-2 focus:ring-primary focus:border-transparent outline-none transition-all" 
                                   placeholder="John Doe" />
                    </div>

                    <div>
                        <label class="block text-xs font-black text-muted uppercase tracking-[0.2em] mb-2">Email Address</label>
                        <InputText @bind-Value="_registerModel.Email" 
                                   class="w-full bg-body border border-border rounded-xl px-4 py-3 focus:ring-2 focus:ring-primary focus:border-transparent outline-none transition-all" 
                                   placeholder="john@example.com" />
                    </div>

                    <div>
                        <label class="block text-xs font-black text-muted uppercase tracking-[0.2em] mb-2">Phone Number</label>
                        <InputText @bind-Value="_registerModel.PhoneNumber" 
                                   class="w-full bg-body border border-border rounded-xl px-4 py-3 focus:ring-2 focus:ring-primary focus:border-transparent outline-none transition-all" 
                                   placeholder="+1 234 567 890" />
                    </div>

                    <div class="md:col-span-2">
                        <label class="block text-xs font-black text-muted uppercase tracking-[0.2em] mb-2">Password</label>
                        <InputText @bind-Value="_registerModel.Password" type="password"
                                   class="w-full bg-body border border-border rounded-xl px-4 py-3 focus:ring-2 focus:ring-primary focus:border-transparent outline-none transition-all" 
                                   placeholder="Minimum 6 characters" />
                    </div>
                </div>

                @if (!string.IsNullOrEmpty(_errorMessage))
                {
                    <div class="p-4 bg-red-500/10 border border-red-500/20 rounded-xl text-red-500 text-sm font-bold text-center">
                        @_errorMessage
                    </div>
                }

                <button type="submit" disabled="@_isLoading"
                        class='w-full py-5 mt-4 rounded-xl font-black text-white bg-primary hover:bg-primary-hover transition-all transform hover:scale-[1.01] active:scale-95 shadow-xl shadow-primary/20 flex items-center justify-center gap-3'>
                    @if (_isLoading)
                    {
                        <div class="w-5 h-5 border-2 border-white border-t-transparent rounded-full animate-spin"></div>
                        <span>Creating Account...</span>
                    }
                    else
                    {
                        <span>Get Started</span>
                    }
                </button>
            </EditForm>
        </div>

        <!-- Footer -->
        <p class="text-center mt-10 text-muted font-medium">
            Already have an account? 
            <a href="/login" class="text-primary font-bold hover:underline">Sign In</a>
        </p>
    </div>
</div>

@code {
    private RegisterRequest _registerModel = new();
    private bool _isLoading = false;
    private string? _errorMessage;

    private async Task HandleRegister()
    {
        _isLoading = true;
        _errorMessage = null;
        try
        {
            var success = await AuthService.RegisterAsync(_registerModel);
            if (success)
            {
                Navigation.NavigateTo("/");
            }
            else
            {
                _errorMessage = "Registration failed. This email may already be in use.";
            }
        }
        catch (Exception ex)
        {
            _errorMessage = "An unexpected error occurred. Please try again later.";
        }
        finally
        {
            _isLoading = false;
        }
    }
}