<?php
/**
 * Plugin Name: FP Geo Content
 * Plugin URI: https://freepress.coop
 * Description: Mapa interactivo genérico con Leaflet y OpenStreetMap para mostrar contenido geolocalizado de WordPress.
 * Version: 1.0.0
 * Author: Freepress Coop
 * Author URI: https://freepress.coop
 * License: GPL-2.0+
 * License URI: http://www.gnu.org/licenses/gpl-2.0.txt
 * Text Domain: fp-geo-content
 * Domain Path: /languages
 * Requires at least: 6.0
 * Requires PHP: 8.0
 */

// Si se accede directamente, salir
if (!defined('ABSPATH')) {
    exit;
}

// Constantes del plugin
define('FP_GEO_VERSION', '1.0.0');
define('FP_GEO_PLUGIN_DIR', plugin_dir_path(__FILE__));
define('FP_GEO_PLUGIN_URL', plugin_dir_url(__FILE__));
define('FP_GEO_PLUGIN_BASENAME', plugin_basename(__FILE__));

/**
 * Clase principal del plugin
 */
final class FP_Geo_Content {

    /**
     * Instancia única
     */
    private static $instance = null;

    /**
     * Opciones del plugin
     */
    private $options = [];

    /**
     * Obtener instancia única
     */
    public static function get_instance() {
        if (null === self::$instance) {
            self::$instance = new self();
        }
        return self::$instance;
    }

    /**
     * Constructor
     */
    private function __construct() {
        $this->load_dependencies();
        $this->init_hooks();
        $this->options = get_option('fp_geo_content_options', []);
    }

    /**
     * Cargar dependencias
     */
    private function load_dependencies() {
        require_once FP_GEO_PLUGIN_DIR . 'includes/class-settings.php';
        require_once FP_GEO_PLUGIN_DIR . 'includes/class-map-renderer.php';
        require_once FP_GEO_PLUGIN_DIR . 'includes/class-data-provider.php';
    }

    /**
     * Inicializar hooks
     */
    private function init_hooks() {
        // Activación
        register_activation_hook(__FILE__, [$this, 'activate']);
        register_deactivation_hook(__FILE__, [$this, 'deactivate']);

        // Inicialización
        add_action('init', [$this, 'init']);
        add_action('plugins_loaded', [$this, 'load_textdomain']);

        // Admin
        if (is_admin()) {
            add_action('admin_menu', [$this, 'add_admin_menu']);
            add_action('admin_init', [$this, 'register_settings']);
            add_action('admin_enqueue_scripts', [$this, 'admin_assets']);
        }

        // Frontend
        add_action('wp_enqueue_scripts', [$this, 'register_frontend_assets']);
        add_action('wp_head', [$this, 'output_custom_css'], 100);

        // Shortcode
        add_shortcode('fp-geo-map', [FP_Geo_Map_Renderer::class, 'render_shortcode']);

        // AJAX
        add_action('wp_ajax_fp_geo_get_markers', [FP_Geo_Data_Provider::class, 'ajax_get_markers']);
        add_action('wp_ajax_nopriv_fp_geo_get_markers', [FP_Geo_Data_Provider::class, 'ajax_get_markers']);
    }

    /**
     * Inicialización
     */
    public function init() {
        // Registrar settings
        FP_Geo_Settings::register();
    }

    /**
     * Cargar traducciones
     */
    public function load_textdomain() {
        load_plugin_textdomain(
            'fp-geo-content',
            false,
            dirname(FP_GEO_PLUGIN_BASENAME) . '/languages/'
        );
    }

    /**
     * Añadir menú de administración
     */
    public function add_admin_menu() {
        add_options_page(
            __('FP Geo Content', 'fp-geo-content'),
            __('FP Geo Content', 'fp-geo-content'),
            'manage_options',
            'fp-geo-content',
            [$this, 'render_settings_page']
        );
    }

    /**
     * Registrar ajustes
     */
    public function register_settings() {
        FP_Geo_Settings::register_settings();
    }

    /**
     * Renderizar página de ajustes
     */
    public function render_settings_page() {
        include FP_GEO_PLUGIN_DIR . 'templates/settings-page.php';
    }

    /**
     * Assets del admin
     */
    public function admin_assets($hook) {
        if ($hook !== 'settings_page_fp-geo-content') {
            return;
        }

        // Cargar media uploader
        wp_enqueue_media();

        wp_enqueue_style(
            'fp-geo-admin',
            FP_GEO_PLUGIN_URL . 'assets/css/admin.css',
            [],
            FP_GEO_VERSION
        );

        wp_enqueue_script(
            'fp-geo-admin',
            FP_GEO_PLUGIN_URL . 'assets/js/admin.js',
            ['jquery', 'wp-media-utils'],
            FP_GEO_VERSION,
            true
        );
    }

    /**
     * Registrar assets del frontend (no cargar por defecto)
     */
    public function register_frontend_assets() {
        // Leaflet CSS
        wp_register_style(
            'leaflet',
            'https://unpkg.com/leaflet@1.9.4/dist/leaflet.css',
            [],
            '1.9.4'
        );

        // Leaflet MarkerCluster CSS
        wp_register_style(
            'leaflet-markercluster',
            'https://unpkg.com/leaflet.markercluster@1.5.3/dist/MarkerCluster.css',
            ['leaflet'],
            '1.5.3'
        );

        wp_register_style(
            'leaflet-markercluster-default',
            'https://unpkg.com/leaflet.markercluster@1.5.3/dist/MarkerCluster.Default.css',
            ['leaflet-markercluster'],
            '1.5.3'
        );

        // Plugin CSS
        wp_register_style(
            'fp-geo-content',
            FP_GEO_PLUGIN_URL . 'assets/css/map.css',
            ['leaflet', 'leaflet-markercluster-default'],
            FP_GEO_VERSION
        );

        // Leaflet JS
        wp_register_script(
            'leaflet',
            'https://unpkg.com/leaflet@1.9.4/dist/leaflet.js',
            [],
            '1.9.4',
            true
        );

        // Leaflet MarkerCluster JS
        wp_register_script(
            'leaflet-markercluster',
            'https://unpkg.com/leaflet.markercluster@1.5.3/dist/leaflet.markercluster.js',
            ['leaflet'],
            '1.5.3',
            true
        );

        // Plugin JS
        wp_register_script(
            'fp-geo-content',
            FP_GEO_PLUGIN_URL . 'assets/js/map.js',
            ['leaflet', 'leaflet-markercluster'],
            FP_GEO_VERSION,
            true
        );
    }

    /**
     * Output custom CSS in head
     */
    public function output_custom_css() {
        $options = get_option('fp_geo_content_options', []);
        $custom_css = $options['custom_css'] ?? '';
        
        if (!empty(trim($custom_css))) {
            echo "\n<style id=\"fp-geo-custom-css\">\n";
            echo wp_strip_all_tags($custom_css);
            echo "\n</style>\n";
        }
    }

    /**
     * Activación
     */
    public function activate() {
        // Opciones por defecto
        $defaults = [
            'post_types' => [],
            'lat_field' => 'latitud',
            'lng_field' => 'longitud',
            'default_lat' => '40.4168',
            'default_lng' => '-3.7038',
            'default_zoom' => 12,
            'min_zoom' => 5,
            'max_zoom' => 18,
            'cluster_enabled' => true,
            'detail_display' => 'sidebar', // sidebar | modal
            'filter_combine' => 'OR', // OR | AND
            'tile_provider' => 'carto_light',
            // Nuevas opciones
            'scroll_wheel_zoom' => 'ctrl', // ctrl | always | disabled
            'marker_icon' => 0,
            'marker_default_color' => '#F97316',
            'use_category_colors' => true,
            'show_legend' => true,
            'legend_taxonomy' => '',
            'sidebar_position' => 'right', // left | right
            'show_detail_button' => true,
            'detail_button_text' => 'Ver detalle',
        ];

        if (!get_option('fp_geo_content_options')) {
            add_option('fp_geo_content_options', $defaults);
        }

        update_option('fp_geo_content_version', FP_GEO_VERSION);
    }

    /**
     * Desactivación
     */
    public function deactivate() {
        // Nada que hacer por ahora
    }

    /**
     * Obtener opción
     */
    public static function get_option($key, $default = null) {
        $options = get_option('fp_geo_content_options', []);
        return $options[$key] ?? $default;
    }
}

/**
 * Iniciar el plugin
 */
function fp_geo_content() {
    return FP_Geo_Content::get_instance();
}

// Arrancar
fp_geo_content();