<?php
/**
 * Plugin Name: LCP Data Blocks
 * Plugin URI: https://coosguide.com
 * Description: A plugin for displaying various charts and graphs in Local Content Pro
 * Version: 1.0.0
 * Author: CoosGuide
 * Author URI: https://coosguide.com
 * License: GPL v2 or later
 * License URI: https://www.gnu.org/licenses/gpl-2.0.html
 * Text Domain: lcp
 */

if (!defined('ABSPATH')) {
    exit; // Exit if accessed directly
}

// Include block files
require_once plugin_dir_path(__FILE__) . 'blocks/bar-graph/lcp-bar-graph.php';

/**
 * Add custom category for LCP blocks
 */
function lcp_block_categories($categories) {
    return array_merge(
        $categories,
        array(
            array(
                'slug' => 'lcp-blocks',
                'title' => __('LCP Blocks', 'lcp'),
                'icon' => 'chart-bar',
            ),
        )
    );
}
add_filter('block_categories_all', 'lcp_block_categories', 10, 1);

// Register the Data Collection Custom Post Type
function lcp_register_data_collection_post_type() {
    $labels = array(
        'name'                  => _x('Data Collections', 'Post type general name', 'lcp-data'),
        'singular_name'         => _x('Data Collection', 'Post type singular name', 'lcp-data'),
        'menu_name'            => _x('Data Collections', 'Admin Menu text', 'lcp-data'),
        'name_admin_bar'       => _x('Data Collection', 'Add New on Toolbar', 'lcp-data'),
        'add_new'              => __('Add New', 'lcp-data'),
        'add_new_item'         => __('Add New Data Collection', 'lcp-data'),
        'new_item'             => __('New Data Collection', 'lcp-data'),
        'edit_item'            => __('Edit Data Collection', 'lcp-data'),
        'view_item'            => __('View Data Collection', 'lcp-data'),
        'all_items'            => __('All Data Collections', 'lcp-data'),
        'search_items'         => __('Search Data Collections', 'lcp-data'),
        'parent_item_colon'    => __('Parent Data Collections:', 'lcp-data'),
        'not_found'            => __('No data collections found.', 'lcp-data'),
        'not_found_in_trash'   => __('No data collections found in Trash.', 'lcp-data'),
        'featured_image'       => _x('Data Collection Cover Image', 'Overrides the "Featured Image" phrase', 'lcp-data'),
        'set_featured_image'   => _x('Set cover image', 'Overrides the "Set featured image" phrase', 'lcp-data'),
        'remove_featured_image'=> _x('Remove cover image', 'Overrides the "Remove featured image" phrase', 'lcp-data'),
        'use_featured_image'   => _x('Use as cover image', 'Overrides the "Use as featured image" phrase', 'lcp-data'),
        'archives'             => _x('Data Collection archives', 'The post type archive label used in nav menus', 'lcp-data'),
        'insert_into_item'     => _x('Insert into data collection', 'Overrides the "Insert into post" phrase', 'lcp-data'),
        'uploaded_to_this_item'=> _x('Uploaded to this data collection', 'Overrides the "Uploaded to this post" phrase', 'lcp-data'),
        'filter_items_list'    => _x('Filter data collections list', 'Screen reader text for the filter links', 'lcp-data'),
        'items_list_navigation'=> _x('Data Collections list navigation', 'Screen reader text for the pagination', 'lcp-data'),
        'items_list'           => _x('Data Collections list', 'Screen reader text for the items list', 'lcp-data'),
    );

    $args = array(
        'labels'              => $labels,
        'public'              => true,
        'publicly_queryable'  => true,
        'show_ui'            => true,
        'show_in_menu'       => true,
        'query_var'          => true,
        'rewrite'            => array('slug' => 'data-collection'),
        'capability_type'    => 'post',
        'has_archive'        => true,
        'hierarchical'       => false,
        'menu_position'      => null,
        'menu_icon'          => 'dashicons-chart-area',
        'supports'           => array('title', 'editor', 'author', 'thumbnail', 'excerpt', 'custom-fields'),
        'show_in_rest'       => true, // Enable Gutenberg editor
    );

    register_post_type('lcp-data-collection', $args);
}
add_action('init', 'lcp_register_data_collection_post_type');

// Register meta field for datasets
function lcp_register_meta_fields() {
    register_post_meta('lcp-data-collection', 'lcp_datasets', array(
        'show_in_rest' => true,
        'single' => true,
        'type' => 'array',
        'auth_callback' => function() {
            return current_user_can('edit_posts');
        },
        'sanitize_callback' => function($meta_value) {
            if (!is_array($meta_value)) {
                return array();
            }
            
            $sanitized = array();
            foreach ($meta_value as $key => $dataset) {
                $sanitized[$key] = array(
                    'dataset_name' => sanitize_text_field($dataset['dataset_name']),
                    'dataset_source' => sanitize_text_field($dataset['dataset_source']),
                    'dataset_json' => json_decode(wp_unslash($dataset['dataset_json']), true)
                );
            }
            return $sanitized;
        }
    ));
}
add_action('init', 'lcp_register_meta_fields');

// Add meta box for datasets
function lcp_add_datasets_meta_box() {
    add_meta_box(
        'lcp_datasets_meta_box',
        'Datasets',
        'lcp_render_datasets_meta_box',
        'lcp-data-collection',
        'normal',
        'high'
    );
}
add_action('add_meta_boxes', 'lcp_add_datasets_meta_box');

// Render the meta box
function lcp_render_datasets_meta_box($post) {
    // Get existing datasets
    $datasets = get_post_meta($post->ID, 'lcp_datasets', true);
    
    // Ensure it's an array
    if (!is_array($datasets)) {
        $datasets = array();
    }
    
    // Convert PHP array to JSON for the React component
    $datasets_json = json_encode($datasets);

    // Add nonce for verification
    wp_nonce_field('lcp_datasets_meta_box', 'lcp_datasets_meta_box_nonce');
    
    // Add hidden input for data
    ?>
    <input type="hidden" id="lcp_datasets_data" name="lcp_datasets_data" value="<?php echo esc_attr($datasets_json); ?>" />
    <div id="lcp-datasets-repeater" data-datasets="<?php echo esc_attr($datasets_json); ?>"></div>
    <?php
}

// Save the meta box data
function lcp_save_datasets_meta($post_id) {
    // Check if our nonce is set and verify it
    if (!isset($_POST['lcp_datasets_meta_box_nonce']) || 
        !wp_verify_nonce($_POST['lcp_datasets_meta_box_nonce'], 'lcp_datasets_meta_box')) {
        return;
    }

    // If this is an autosave, don't do anything
    if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) {
        return;
    }

    // Check the user's permissions
    if (!current_user_can('edit_post', $post_id)) {
        return;
    }

    // Save the data
    if (isset($_POST['lcp_datasets_data'])) {
        $datasets = json_decode(wp_unslash($_POST['lcp_datasets_data']), true);
        if (is_array($datasets)) {
            update_post_meta($post_id, 'lcp_datasets', $datasets);
        }
    }
}
add_action('save_post_lcp-data-collection', 'lcp_save_datasets_meta');

// Enqueue scripts and styles for the admin
function lcp_enqueue_admin_scripts($hook) {
    global $post;
    
    // Only enqueue on our custom post type edit screen
    if ($hook == 'post-new.php' || $hook == 'post.php') {
        if (is_object($post) && $post->post_type == 'lcp-data-collection') {
            // Enqueue React and dependencies
            wp_enqueue_script('wp-element');
            wp_enqueue_script('wp-components');
            wp_enqueue_script('wp-data');
            
            // Enqueue our custom scripts
            wp_enqueue_script(
                'lcp-form-repeater',
                plugins_url('build/index.js', __FILE__),
                array('wp-element', 'wp-components', 'wp-data'),
                filemtime(plugin_dir_path(__FILE__) . 'build/index.js'),
                true
            );

            // Pass data to JavaScript
            wp_localize_script('lcp-form-repeater', 'lcpDataSettings', array(
                'root' => esc_url_raw(rest_url()),
                'nonce' => wp_create_nonce('wp_rest'),
                'postId' => $post->ID
            ));
        }
    }
}
add_action('admin_enqueue_scripts', 'lcp_enqueue_admin_scripts');

// Flush rewrite rules on plugin activation
function lcp_data_activate() {
    lcp_register_data_collection_post_type();
    flush_rewrite_rules();
}
register_activation_hook(__FILE__, 'lcp_data_activate');

// Flush rewrite rules on plugin deactivation
function lcp_data_deactivate() {
    flush_rewrite_rules();
}
register_deactivation_hook(__FILE__, 'lcp_data_deactivate');