<?php
declare(strict_types=1);

namespace ROITheme\Public\AdsensePlacement\Infrastructure\Ui;

use ROITheme\Shared\Domain\Contracts\ComponentSettingsRepositoryInterface;
use ROITheme\Public\AdsensePlacement\Infrastructure\Api\WordPress\AdsenseVisibilityController;

/**
 * Encola los assets JavaScript para el modo JavaScript-First de AdSense.
 *
 * Infrastructure Layer - Integra con WordPress asset system.
 *
 * @package ROITheme\Public\AdsensePlacement\Infrastructure\Ui
 */
final class AdsenseAssetsEnqueuer
{
    private const COMPONENT_NAME = 'adsense-placement';
    private const SCRIPT_HANDLE = 'roi-adsense-visibility';
    private const SCRIPT_VERSION = '1.0.0';

    public function __construct(
        private ComponentSettingsRepositoryInterface $settingsRepository
    ) {
    }

    /**
     * Registra el hook para encolar scripts.
     */
    public function register(): void
    {
        add_action('wp_enqueue_scripts', [$this, 'enqueueScripts']);
    }

    /**
     * Encola el script de visibilidad si el modo JS-First esta activo.
     */
    public function enqueueScripts(): void
    {
        // Verificar si el modo JS-First esta activo
        if (!$this->isJavascriptFirstModeEnabled()) {
            return;
        }

        // Solo en frontend, no en admin
        if (is_admin()) {
            return;
        }

        $scriptPath = $this->getScriptPath();

        // Verificar que el archivo existe
        if (!file_exists($scriptPath)) {
            return;
        }

        $scriptUrl = $this->getScriptUrl();

        wp_enqueue_script(
            self::SCRIPT_HANDLE,
            $scriptUrl,
            [], // Sin dependencias
            self::SCRIPT_VERSION,
            true // En footer
        );

        // Pasar configuracion al script
        wp_localize_script(self::SCRIPT_HANDLE, 'roiAdsenseConfig', $this->getScriptConfig());
    }

    /**
     * Verifica si el modo JavaScript-First esta activo.
     */
    private function isJavascriptFirstModeEnabled(): bool
    {
        $settings = $this->settingsRepository->getComponentSettings(self::COMPONENT_NAME);

        $isEnabled = (bool) ($settings['visibility']['is_enabled'] ?? false);
        $jsFirstMode = (bool) ($settings['behavior']['javascript_first_mode'] ?? false);

        return $isEnabled && $jsFirstMode;
    }

    /**
     * Obtiene la ruta fisica del script.
     */
    private function getScriptPath(): string
    {
        return get_template_directory() . '/Public/AdsensePlacement/Infrastructure/Ui/Assets/adsense-visibility.js';
    }

    /**
     * Obtiene la URL del script.
     */
    private function getScriptUrl(): string
    {
        return get_template_directory_uri() . '/Public/AdsensePlacement/Infrastructure/Ui/Assets/adsense-visibility.js';
    }

    /**
     * Obtiene la configuracion para pasar al script.
     *
     * @return array<string, mixed>
     */
    private function getScriptConfig(): array
    {
        $postId = $this->getCurrentPostId();
        $settings = $this->settingsRepository->getComponentSettings(self::COMPONENT_NAME);

        return [
            'endpoint' => rest_url('roi-theme/v1/adsense-placement/visibility'),
            'postId' => $postId,
            'nonce' => wp_create_nonce(AdsenseVisibilityController::getNonceAction()),
            'settingsVersion' => $settings['_meta']['version'] ?? '1.0.0',
            'debug' => defined('WP_DEBUG') && WP_DEBUG,
            'featureEnabled' => true,
            'fallbackStrategy' => 'cached-or-show', // cached-or-show | cached-or-hide | always-show
        ];
    }

    /**
     * Obtiene el ID del post actual (0 si no es un post singular).
     */
    private function getCurrentPostId(): int
    {
        if (is_singular()) {
            return get_the_ID() ?: 0;
        }

        return 0;
    }
}