<?php

declare(strict_types=1);

namespace App\Http\Middleware;

use Closure;
use Illuminate\Http\Request;
use Symfony\Component\HttpFoundation\Response;

final class EnsureEmailLoginUpgradeComplete
{
    private const SESSION_KEY = 'username_login_upgrade';

    private const ALWAYS_ALLOW = [
        'logout',
        'setup/*',
        'up',
    ];

    public function handle(Request $request, Closure $next): Response
    {
        $user = $request->user();
        if (! $user) {
            return $next($request);
        }

        if (! $request->hasSession()) {
            return $next($request);
        }

        if ($user->hasCompletedOnboarding()) {
            $request->session()->forget(self::SESSION_KEY);

            return $next($request);
        }

        if (! $request->session()->get(self::SESSION_KEY, false)) {
            return $next($request);
        }

        if ($request->is(self::ALWAYS_ALLOW)) {
            return $next($request);
        }

        $step = strtolower(trim((string) ($user->onboarding_step ?? '')));
        $route = match ($step) {
            'verified' => route('setup.password.create'),
            'password' => route('setup.username.create'),
            default => route('setup.email.create'),
        };

        return redirect($route)
            ->with('status', 'Continue onboarding to finish switching this account to email-based login.');
    }
}