<?php

namespace Drupal\site_users_microsite\Theme;

use Drupal\Core\Path\CurrentPathStack;
use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\Core\Theme\ThemeNegotiatorInterface;
use Drupal\path_alias\AliasManagerInterface;
use Drupal\user\UserInterface;

/**
 * Aplica o tema microsite nas rotas de perfil de usuário e do micro-site.
 */
class MicrositeThemeNegotiator implements ThemeNegotiatorInterface {

  public function __construct(
    private AliasManagerInterface $aliasManager,
    private CurrentPathStack $currentPath,
  ) {}

  /**
   * {@inheritdoc}
   */
  public function applies(RouteMatchInterface $route_match): bool {
    $route_name = $route_match->getRouteName() ?? '';

    // Rotas administrativas e de edição nunca recebem o tema do microsite.
    $excluded = [
      'site_users_microsite.settings',
      'site_users_microsite.user_config',
      'site_users_microsite.my_config',
    ];
    if (in_array($route_name, $excluded, TRUE)) {
      return FALSE;
    }
    foreach (['entity.user.edit_', 'entity.user.cancel', 'user.admin'] as $prefix) {
      if (str_starts_with($route_name, $prefix)) {
        return FALSE;
      }
    }

    // Rota canônica e rotas próprias do microsite.
    if ($route_name === 'entity.user.canonical') {
      return TRUE;
    }
    if (str_starts_with($route_name, 'site_users_microsite.')) {
      return TRUE;
    }

    // Qualquer rota com parâmetro 'user' (entidade) sob /user/{user}/.
    $user = $route_match->getParameter('user');
    if ($user instanceof UserInterface) {
      $route = $route_match->getRouteObject();
      $path  = $route ? $route->getPath() : '';
      if (str_starts_with($path, '/user/{user}/')) {
        return TRUE;
      }
    }

    // Nós cujo alias começa com /user/{uid}/ (ex.: structural_pages, blog).
    if ($route_name === 'entity.node.canonical') {
      $node = $route_match->getParameter('node');
      if ($node) {
        $nid   = is_object($node) ? $node->id() : $node;
        $alias = $this->aliasManager->getAliasByPath('/node/' . $nid);
        if (preg_match('#^/user/\d+/#', $alias)) {
          return TRUE;
        }
      }
    }

    // Qualquer rota cujo path atual (já processado) seja /user/{uid}/...
    // Cobre Views e outras rotas que não expõem parâmetro 'user' na rota.
    if (preg_match('#^/user/\d+/#', $this->currentPath->getPath())) {
      return TRUE;
    }

    return FALSE;
  }

  /**
   * {@inheritdoc}
   */
  public function determineActiveTheme(RouteMatchInterface $route_match): ?string {
    return 'site_users_microsite_theme';
  }

}