Plugin.php

<?php

namespace HomeHeaderBanners;

use MapasCulturais\App;
use MapasCulturais\i;

class Plugin extends \MapasCulturais\Plugin
{
    protected static $instance;

    public function __construct(array $config = [])
    {
        parent::__construct($config);
        self::$instance = $this;
    }

    public static function getInstance(): self
    {
        return self::$instance;
    }

    public function register()
    {
        $app = App::i();
        $app->registerController('home-headers-banners', Controller::class);
    }

    public function _init()
    {
        $app = App::i();

        if (file_exists($this->getConfigFilePath())) {
            $this->applyToAppConfig($this->loadConfig());
        }

        $app->hook('template(<<*>>.<<*>>.panel-nav-left-sidebar):begin', function () use ($app) {
            if ($app->user->is('saasAdmin') || $app->user->is('superSaasAdmin')) {
                $this->part('configuration-menu');
            }
        });

        $app->hook('view.render(<<*>>):before', function () use ($app) {
            if ($app->view->controller->id && $app->view->controller->id === 'home-headers-banners') {
                $app->view->enqueueStyle('app-v2', 'home-headers-banners-config', 'css/home-headers-banners-config.css');
            }
        });
    }

    public function getConfig(): array
    {
        if (file_exists($this->getConfigFilePath())) {
            return $this->loadConfig();
        }

        return $this->defaultConfigFromAppConfig();
    }

    public function saveConfig(array $config): void
    {
        // normaliza e garante estrutura por subsite
        $config = $this->normalizeConfig($config);

        $dir = $this->getConfigDir();
        if (!is_dir($dir)) {
            mkdir($dir, 0775, true);
        }

        file_put_contents(
            $this->getConfigFilePath(),
            // força a serialização como objeto JSON, com as chaves sendo os IDs dos subsites
            json_encode((object) $config, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE) . PHP_EOL,
            LOCK_EX,
        );

        $this->applyToAppConfig($config);
    }

    protected function applyToAppConfig(array $config): void
    {
        $app = App::i();
        $config = $this->normalizeConfig($config);

        // identifica o subsite atual (ou 0 quando não houver subsite)
        $subsite_id = $app->subsite ? $app->subsite->id : 0;

        // seleciona a configuração do subsite atual,
        // caindo para o subsite 0 ou o primeiro item disponível
        if (isset($config[$subsite_id])) {
            $current = $config[$subsite_id];
        } elseif (isset($config[0])) {
            $current = $config[0];
        } else {
            $current = reset($config) ?: ['banners' => ['first' => [], 'second' => [], 'third' => []]];
        }

        $first = $current['banners']['first'];
        $second = $current['banners']['second'];
        $third = $current['banners']['third'];

        $app->config['homeHeader.banner'] = $first['image'];
        $app->config['homeHeader.bannerLink'] = $first['link'];
        $app->config['homeHeader.bannerAlt'] = $first['alt'];
        $app->config['homeHeader.bannerOpenInNewTab'] = (bool) $first['newTab'];

        $app->config['homeHeader.secondBanner'] = $second['image'];
        $app->config['homeHeader.secondBannerLink'] = $second['link'];
        $app->config['homeHeader.secondBannerAlt'] = $second['alt'];
        $app->config['homeHeader.secondBannerOpenInNewTab'] = (bool) $second['newTab'];

        $app->config['homeHeader.thirdBanner'] = $third['image'];
        $app->config['homeHeader.thirdBannerLink'] = $third['link'];
        $app->config['homeHeader.thirdBannerAlt'] = $third['alt'];
        $app->config['homeHeader.thirdBannerOpenInNewTab'] = (bool) $third['newTab'];
    }

    protected function loadConfig(): array
    {
        $raw = @file_get_contents($this->getConfigFilePath());
        $data = $raw ? json_decode($raw, true) : null;

        if (!is_array($data)) {
            return $this->defaultConfigFromAppConfig();
        }

        // normaliza e garante estrutura por subsite (backward compatible)
        return $this->normalizeConfig($data);
    }

    protected function defaultConfigFromAppConfig(): array
    {
        $app = App::i();

        // configuração padrão aplicada ao subsite 0,
        // será posteriormente normalizada para a estrutura por subsite
        return $this->normalizeConfig([
            'banners' => [
                'first' => [
                    'image' => (string) ($app->config['homeHeader.banner'] ?? ''),
                    'link' => (string) ($app->config['homeHeader.bannerLink'] ?? ''),
                    'alt' => (string) ($app->config['homeHeader.bannerAlt'] ?? ''),
                    'newTab' => (bool) ($app->config['homeHeader.bannerOpenInNewTab'] ?? false),
                ],
                'second' => [
                    'image' => (string) ($app->config['homeHeader.secondBanner'] ?? ''),
                    'link' => (string) ($app->config['homeHeader.secondBannerLink'] ?? ''),
                    'alt' => (string) ($app->config['homeHeader.secondBannerAlt'] ?? ''),
                    'newTab' => (bool) ($app->config['homeHeader.secondBannerOpenInNewTab'] ?? false),
                ],
                'third' => [
                    'image' => (string) ($app->config['homeHeader.thirdBanner'] ?? ''),
                    'link' => (string) ($app->config['homeHeader.thirdBannerLink'] ?? ''),
                    'alt' => (string) ($app->config['homeHeader.thirdBannerAlt'] ?? ''),
                    'newTab' => (bool) ($app->config['homeHeader.thirdBannerOpenInNewTab'] ?? false),
                ],
            ],
        ]);
    }

    protected function normalizeConfig(array $config): array
    {
        // se a configuração vier no formato antigo (sem chave de subsite),
        // encapsula dentro do subsite 0 para manter compatibilidade
        if (array_key_exists('banners', $config)) {
            $config = [0 => $config];
        }

        $default_entry = [
            'banners' => [
                'first' => ['image' => '', 'link' => '', 'alt' => '', 'newTab' => false],
                'second' => ['image' => '', 'link' => '', 'alt' => '', 'newTab' => false],
                'third' => ['image' => '', 'link' => '', 'alt' => '', 'newTab' => false],
            ],
        ];

        $normalized = [];

        foreach ($config as $subsite_id => $entry) {
            if (!is_array($entry)) {
                $entry = [];
            }

            // aplica defaults para cada subsite
            $entry = array_replace_recursive($default_entry, $entry);

            foreach (['first', 'second', 'third'] as $key) {
                $entry['banners'][$key]['image'] = trim((string) ($entry['banners'][$key]['image'] ?? ''));
                $entry['banners'][$key]['link'] = trim((string) ($entry['banners'][$key]['link'] ?? ''));
                $entry['banners'][$key]['alt'] = trim((string) ($entry['banners'][$key]['alt'] ?? ''));
                $entry['banners'][$key]['newTab'] = (bool) ($entry['banners'][$key]['newTab'] ?? false);
            }

            // fonte de verdade: se vier subsiteId no JSON, ele manda
            if (isset($entry['subsiteId']) && $entry['subsiteId'] !== '') {
                $real_id = (int) $entry['subsiteId'];
            } else {
                $real_id = (int) $subsite_id;
            }

            // garante que o id do subsite fique explícito dentro do JSON
            $entry['subsiteId'] = $real_id;

            // reindexa usando SEMPRE o id real do subsite
            $normalized[$real_id] = $entry;
        }

        return $normalized;
    }

    protected function getConfigDir(): string
    {
        return rtrim(PRIVATE_FILES_PATH, '/') . '/HomeHeaderBanners';
    }

    protected function getConfigFilePath(): string
    {
        return $this->getConfigDir() . '/home-header-banners.json';
    }
}