@page "/register"

@using BlazorFrontend.Services
@using BlazorFrontend.Providers
@using LibraryManagement.Shared.Models
@using Microsoft.AspNetCore.Components.Authorization
@inject HttpClient Http
@inject NavigationManager Navigation

<PageTitle>Register</PageTitle>

<div class="min-h-[calc(100vh-200px)] flex items-center justify-center py-12 px-4 sm:px-6 lg:px-8">
    <div class="max-w-md w-full space-y-8 bg-white p-10 rounded-2xl border border-mystic-200 shadow-xl">
        <div>
            <div class="mx-auto h-12 w-12 bg-mystic-900 rounded-xl flex items-center justify-center text-white mb-4">
                <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M16 21v-2a4 4 0 0 0-4-4H6a4 4 0 0 0-4 4v2"/><circle cx="9" cy="7" r="4"/><line x1="19" y1="8" x2="19" y2="14"/><line x1="22" y1="11" x2="16" y2="11"/></svg>
            </div>
            <h2 class="text-center text-3xl font-extrabold text-mystic-900 tracking-tight">Join our Library</h2>
            <p class="mt-2 text-center text-sm text-mystic-500">
                Start your reading journey today.
            </p>
        </div>

        @if (!string.IsNullOrEmpty(_errorMessage))
        {
            <div class="bg-red-50 text-red-600 p-3 rounded-lg border border-red-200 text-sm mb-4">
                @_errorMessage
            </div>
        }

        <EditForm Model="@_registerRequest" OnValidSubmit="HandleRegister" FormName="registerForm" class="mt-8 space-y-6">
            <DataAnnotationsValidator />
            
            <div class="space-y-4">
                <div>
                    <label class="block text-sm font-medium text-mystic-700 mb-1">Full Name</label>
                    <InputText @bind-Value="_registerRequest.FullName" required class="appearance-none relative block w-full px-3 py-2 border border-mystic-300 placeholder-mystic-400 text-mystic-900 rounded-md focus:outline-none focus:ring-mystic-900 focus:border-mystic-900 focus:z-10 sm:text-sm" placeholder="John Doe" />
                    <ValidationMessage For="@(() => _registerRequest.FullName)" class="text-xs text-red-500 mt-1" />
                </div>
                <div>
                    <label class="block text-sm font-medium text-mystic-700 mb-1">Email Address</label>
                    <InputText type="email" @bind-Value="_registerRequest.Email" required class="appearance-none relative block w-full px-3 py-2 border border-mystic-300 placeholder-mystic-400 text-mystic-900 rounded-md focus:outline-none focus:ring-mystic-900 focus:border-mystic-900 focus:z-10 sm:text-sm" placeholder="name@example.com" />
                    <ValidationMessage For="@(() => _registerRequest.Email)" class="text-xs text-red-500 mt-1" />
                </div>
                <div>
                    <label class="block text-sm font-medium text-mystic-700 mb-1">Phone Number</label>
                    <InputText type="tel" @bind-Value="_registerRequest.PhoneNumber" class="appearance-none relative block w-full px-3 py-2 border border-mystic-300 placeholder-mystic-400 text-mystic-900 rounded-md focus:outline-none focus:ring-mystic-900 focus:border-mystic-900 focus:z-10 sm:text-sm" placeholder="09123456789" />
                    <ValidationMessage For="@(() => _registerRequest.PhoneNumber)" class="text-xs text-red-500 mt-1" />
                </div>
                <div>
                    <label class="block text-sm font-medium text-mystic-700 mb-1">Password</label>
                    <InputText type="password" @bind-Value="_registerRequest.Password" required class="appearance-none relative block w-full px-3 py-2 border border-mystic-300 placeholder-mystic-400 text-mystic-900 rounded-md focus:outline-none focus:ring-mystic-900 focus:border-mystic-900 focus:z-10 sm:text-sm" placeholder="••••••••" />
                    <ValidationMessage For="@(() => _registerRequest.Password)" class="text-xs text-red-500 mt-1" />
                </div>
            </div>

            <div>
                <button type="submit" disabled="@_isLoading" class="group relative w-full flex justify-center py-2.5 px-4 border border-transparent text-sm font-medium rounded-md text-white bg-mystic-900 hover:bg-mystic-800 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-mystic-900 transition-all disabled:opacity-50">
                    @if (_isLoading)
                    {
                        <span>Creating account...</span>
                    }
                    else
                    {
                        <span>Create Account</span>
                    }
                </button>
            </div>
            
            <div class="text-center">
                <span class="text-sm text-mystic-500">Already have an account?</span>
                <a href="/login" class="text-sm font-medium text-mystic-900 hover:underline ml-1">Sign in</a>
            </div>
        </EditForm>
    </div>
</div>

@code {
    [SupplyParameterFromForm]
    private RegisterRequest _registerRequest { get; set; } = new();
    
    private string? _errorMessage;
    private bool _isLoading;

    private async Task HandleRegister()
    {
        try
        {
            _isLoading = true;
            _errorMessage = null;

            var res = await Http.PostAsJsonAsync("api/auth/register", _registerRequest);
            
            if (res.IsSuccessStatusCode)
            {
                Navigation.NavigateTo("/login");
            }
            else
            {
                _errorMessage = "Registration failed. This email might already be in use.";
            }
        }
        catch (Exception ex)
        {
            _errorMessage = "An error occurred: " + ex.Message;
        }
        finally
        {
            _isLoading = false;
        }
    }
}