<?php
/**
 * Plugin Name: HVAC Community Events
 * Plugin URI: https://upskillhvac.com
 * Description: Custom plugin for HVAC trainer event management system
 * Version: 2.2.0
 * 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
 * Domain Path: /languages
 */

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

/**
 * Staging Email Filter
 * Prevents emails from being sent to anyone except allowed addresses on staging.
 * This protects real users from receiving test emails during development.
 */
function hvac_is_staging_environment() {
    $host = isset( $_SERVER['HTTP_HOST'] ) ? $_SERVER['HTTP_HOST'] : '';
    $staging_indicators = array( 'staging', 'upskill-staging', 'localhost', '127.0.0.1' );

    foreach ( $staging_indicators as $indicator ) {
        if ( stripos( $host, $indicator ) !== false ) {
            return true;
        }
    }
    return false;
}

function hvac_staging_email_filter( $args ) {
    if ( ! hvac_is_staging_environment() ) {
        return $args;
    }

    $allowed_emails = array( 'ben@tealmaker.com', 'ben@measurequick.com' );
    $to = $args['to'];

    // Extract email address
    $email_address = is_array( $to ) ? ( isset( $to[0] ) ? $to[0] : '' ) : $to;
    if ( preg_match( '/<([^>]+)>/', $email_address, $matches ) ) {
        $email_address = $matches[1];
    }
    $email_address = trim( strtolower( $email_address ) );

    if ( ! in_array( $email_address, $allowed_emails, true ) ) {
        error_log( sprintf( '[HVAC Staging] Blocked email to: %s | Subject: %s',
            is_array( $to ) ? implode( ', ', $to ) : $to, $args['subject'] ) );
        $args['to'] = '';
        return $args;
    }

    $args['subject'] = '[STAGING] ' . $args['subject'];
    return $args;
}
add_filter( 'wp_mail', 'hvac_staging_email_filter', 1 );

// Load the main plugin class
require_once plugin_dir_path(__FILE__) . 'includes/class-hvac-plugin.php';

/**
 * Initialize the plugin
 * 
 * @return HVAC_Plugin
 */
function hvac_community_events() {
    return HVAC_Plugin::instance();
}

// Initialize the plugin
hvac_community_events();