<?php
/**
 * Plugin Name: HVAC Community Events
 * Plugin URI: https://upskillhvac.com
 * Description: Custom plugin for HVAC trainer event management system
 * Version: 1.0.0
 * Author: Upskill HVAC
 * Author URI: https://upskillhvac.com
 * License: GPL-2.0+
 * License URI: http://www.gnu.org/licenses/gpl-2.0.txt
 * Text Domain: hvac-community-events
 */

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

// Define plugin constants
define('HVAC_CE_VERSION', '1.0.0');
define('HVAC_CE_PLUGIN_DIR', plugin_dir_path(__FILE__));
define('HVAC_CE_PLUGIN_URL', plugin_dir_url(__FILE__));

// Include the logger class early
require_once HVAC_CE_PLUGIN_DIR . 'includes/class-hvac-logger.php';


/**
 * Create required pages and roles upon plugin activation.
 */
function hvac_ce_create_required_pages() {
    // Ensure the roles class is available
    require_once HVAC_CE_PLUGIN_DIR . 'includes/class-hvac-roles.php';
    HVAC_Logger::info('Starting page creation process', 'Activation');
    
    // Define required pages
    $required_pages = [
        'community-login' => [
            'title' => 'Trainer Login',
            'content' => '<!-- wp:shortcode -->[hvac_community_login]<!-- /wp:shortcode -->',
            'template' => 'page-community-login.php',
        ],
        'trainer-registration' => [
            'title' => 'Trainer Registration',
            'content' => '<!-- wp:shortcode -->[hvac_trainer_registration]<!-- /wp:shortcode -->',
        ],
        'hvac-dashboard' => [
            'title' => 'Trainer Dashboard',
            'content' => '<!-- wp:shortcode -->[hvac_trainer_dashboard]<!-- /wp:shortcode -->',
        ],
        'manage-event' => [ // New page for TEC CE submission form shortcode
            'title' => 'Manage Event',
            'content' => '<!-- wp:shortcode -->[tribe_community_events view="submission_form"]<!-- /wp:shortcode -->',
        ],
        'my-events' => [ // New page for TEC CE event list shortcode
            'title' => 'My Events',
            'content' => '<!-- wp:shortcode -->[tribe_community_events view="my_events"]<!-- /wp:shortcode -->',
        ],
        'trainer-profile' => [ // Add trainer profile page
            'title' => 'Trainer Profile',
            'content' => '<!-- wp:shortcode -->[hvac_trainer_profile]<!-- /wp:shortcode -->',
        ],
        'event-summary' => [ // Add event summary page
            'title' => 'Event Summary',
            'content' => '<!-- wp:shortcode -->[hvac_event_summary]<!-- /wp:shortcode -->',
        ],
        'email-attendees' => [ // Add email attendees page
            'title' => 'Email Attendees',
            'content' => '<!-- wp:shortcode -->[hvac_email_attendees]<!-- /wp:shortcode -->',
        ],
        // REMOVED: 'submit-event' page creation. Will link to default TEC CE page.
        // 'submit-event' => [
        //     'title' => 'Submit Event',
        //     'content' => '<!-- wp:shortcode -->[hvac_event_form]<!-- /wp:shortcode -->',
        // ],
        // Add future required pages here
    ];

    // Get existing page IDs from options
    $created_pages_option = 'hvac_community_pages';
    $created_pages = get_option($created_pages_option, []);

    // Process each required page
    foreach ($required_pages as $slug => $page_data) {
        // Create the feature key
        $feature_key = str_replace('-', '_', $slug);
        
        // Skip if already exists in our option
        if (isset($created_pages[$feature_key]) && get_post($created_pages[$feature_key])) {
            HVAC_Logger::info("Page '{$slug}' already exists in options with ID: {$created_pages[$feature_key]}", 'Activation');
            continue;
        }

        // Check if page already exists by slug
        $existing_page = get_page_by_path($slug, OBJECT, 'page');
        
        // Safe handling of existing page
        if (!empty($existing_page) && is_object($existing_page) && isset($existing_page->ID)) {
            HVAC_Logger::info("Page '{$slug}' exists with ID: {$existing_page->ID}", 'Activation');
            $created_pages[$feature_key] = $existing_page->ID;
            continue;
        }
        
        // Page doesn't exist, create it
        HVAC_Logger::info("Page '{$slug}' not found. Creating it.", 'Activation');
        
        $post_data = [
            'post_title'     => $page_data['title'],
            'post_name'      => $slug,
            'post_content'   => $page_data['content'],
            'post_status'    => 'publish',
            'post_type'      => 'page',
            'comment_status' => 'closed',
            'ping_status'    => 'closed',
        ];
        
        // Add template if specified
        if (!empty($page_data['template'])) {
            $post_data['page_template'] = $page_data['template'];
        }

        // Insert the page
        $page_id = wp_insert_post($post_data);

        // Handle the result
        if (is_wp_error($page_id)) {
            HVAC_Logger::error("Error creating page '{$slug}': " . $page_id->get_error_message(), 'Activation');
        } elseif (!empty($page_id)) {
            HVAC_Logger::info("Successfully created page '{$slug}' with ID: {$page_id}", 'Activation');
            $created_pages[$feature_key] = $page_id;
        }
    }

    // Update the option with any newly created page IDs (and existing ones)
    update_option($created_pages_option, $created_pages);

    // Create the custom role (Moved inside the activation function)
    $roles_manager = new HVAC_Roles();
    $result = $roles_manager->create_trainer_role();
    if ($result) {
        HVAC_Logger::info('Successfully created hvac_trainer role.', 'Activation');
    } else {
        HVAC_Logger::error('Failed to create hvac_trainer role.', 'Activation');
    }
    HVAC_Logger::info('Completed page creation and role setup process', 'Activation');

} // <<-- Brace moved here
register_activation_hook(__FILE__, 'hvac_ce_create_required_pages');


/**
 * Remove custom roles upon plugin deactivation.
 */
function hvac_ce_remove_roles() {
    require_once HVAC_CE_PLUGIN_DIR . 'includes/class-hvac-roles.php';
    $roles_manager = new HVAC_Roles();
    $roles_manager->remove_trainer_role();
    HVAC_Logger::info('Deactivation hook fired, attempted to remove hvac_trainer role.', 'Deactivation');
}
register_deactivation_hook(__FILE__, 'hvac_ce_remove_roles');


/**
 * Enqueue styles specifically for the HVAC Dashboard page.
 */
function hvac_ce_enqueue_dashboard_styles() {
    // Check if we are on the specific dashboard page
    // Assumes the page slug is 'hvac-dashboard' as created in the activation hook
    if ( is_page( 'hvac-dashboard' ) ) {
        wp_enqueue_style(
            'hvac-dashboard-style',
            HVAC_CE_PLUGIN_URL . 'assets/css/hvac-dashboard.css',
            [], // No dependencies for now
            HVAC_CE_VERSION
        );
    }
}
add_action( 'wp_enqueue_scripts', 'hvac_ce_enqueue_dashboard_styles' );

/**
 * Enqueue styles and scripts for admin dashboard
 */
function hvac_ce_enqueue_admin_assets($hook) {
    // Only load on our dashboard page
    if ($hook !== 'hvac-community-events_page_hvac-ce-dashboard') {
        return;
    }
    
    // Enqueue dashboard CSS
    wp_enqueue_style(
        'hvac-admin-dashboard-style',
        HVAC_CE_PLUGIN_URL . 'assets/css/admin-dashboard.css',
        array('wp-admin'),
        HVAC_CE_VERSION
    );
    
    // Enqueue dashboard JS
    wp_enqueue_script(
        'hvac-admin-dashboard-script',
        HVAC_CE_PLUGIN_URL . 'assets/js/admin-dashboard.js',
        array('jquery', 'wp-util'),
        HVAC_CE_VERSION,
        true
    );
    
    // Localize script with AJAX data
    wp_localize_script('hvac-admin-dashboard-script', 'hvac_admin_dashboard', array(
        'ajax_url' => admin_url('admin-ajax.php'),
        'nonce' => wp_create_nonce('hvac_admin_nonce')
    ));
}
add_action('admin_enqueue_scripts', 'hvac_ce_enqueue_admin_assets');


/**
 * Enqueue styles specifically for the HVAC Event Summary page.
 */
function hvac_ce_enqueue_event_summary_styles() {
    // Check if we are on a single event page
    if ( is_singular( Tribe__Events__Main::POSTTYPE ) ) {
        wp_enqueue_style(
            'hvac-event-summary-style',
            HVAC_CE_PLUGIN_URL . 'assets/css/hvac-event-summary.css',
            [], // No dependencies for now
            HVAC_CE_VERSION
        );
    }
}
add_action( 'wp_enqueue_scripts', 'hvac_ce_enqueue_event_summary_styles' );

/**
 * Enqueue styles specifically for the HVAC Email Attendees page.
 */
function hvac_ce_enqueue_email_attendees_styles() {
    // Check if we are on the email attendees page
    if ( is_page( 'email-attendees' ) ) {
        wp_enqueue_style(
            'hvac-email-attendees-style',
            HVAC_CE_PLUGIN_URL . 'assets/css/hvac-email-attendees.css',
            [], // No dependencies for now
            HVAC_CE_VERSION
        );
    }
}
add_action( 'wp_enqueue_scripts', 'hvac_ce_enqueue_email_attendees_styles' );


// Include the main plugin class
require_once HVAC_CE_PLUGIN_DIR . 'includes/class-hvac-community-events.php';

// Initialize the plugin
function hvac_community_events_init() {
    HVAC_Logger::info('Initializing HVAC Community Events plugin', 'Core');
    return HVAC_Community_Events::instance();
}
add_action('plugins_loaded', 'hvac_community_events_init');


/**
 * Include custom template for single event summary page.
 *
 * @param string $template The path of the template to include.
 * @return string The path of the template file.
 */
function hvac_ce_include_event_summary_template( $template ) {
    // Check if it's a single event post type view
    if ( is_singular( Tribe__Events__Main::POSTTYPE ) ) {
        // Check if the custom template exists in the plugin's template directory
        $custom_template = HVAC_CE_PLUGIN_DIR . 'templates/single-hvac-event-summary.php';
        if ( file_exists( $custom_template ) ) {
            // Return the path to the custom template
            return $custom_template;
        }
    }
    // Return the original template if not a single event or custom template doesn't exist
    return $template;
}

/**
 * Template routing for Order Summary Page.
 */
function hvac_ce_include_order_summary_template( $template ) {
    if ( is_page( 'order-summary' ) && isset( $_GET['order_id'] ) && absint( $_GET['order_id'] ) > 0 ) {
        $custom_template = HVAC_CE_PLUGIN_DIR . 'templates/single-hvac-order-summary.php';
        if ( file_exists( $custom_template ) ) {
            return $custom_template;
        }
    }
    return $template;
}
// Removed - template handling is now in the main class
// add_filter( 'template_include', 'hvac_ce_include_event_summary_template', 99 );