<?php
namespace AskTamMCP\Tools;
defined('ABSPATH') || exit;

class EmailTools {

    public static function sendTestEmail(array $args): array {
        $to      = $args['to']      ?? get_option('admin_email');
        $subject = $args['subject'] ?? 'AskTam MCP Test Email';
        $message = $args['message'] ?? 'This is a test email sent from AskTam MCP plugin at ' . get_site_url() . ' on ' . current_time('mysql') . '.';
        $headers = ['Content-Type: text/html; charset=UTF-8'];

        $result = wp_mail($to, $subject, $message, $headers);
        return ['sent'=>$result,'to'=>$to,'subject'=>$subject,'smtp_host'=>defined('SMTP_HOST')?SMTP_HOST:(ini_get('SMTP')?:null)];
    }

    public static function getEmailConfig(array $args): array {
        return [
            'admin_email'    => get_option('admin_email'),
            'from_name'      => get_option('blogname'),
            'smtp_host'      => defined('SMTP_HOST') ? SMTP_HOST : (ini_get('SMTP') ?: 'php mail()'),
            'smtp_port'      => defined('SMTP_PORT') ? SMTP_PORT : ini_get('smtp_port'),
            'phpmailer'      => class_exists('PHPMailer\\PHPMailer\\PHPMailer') ? 'available' : 'not found',
            'wp_mail_smtp'   => is_plugin_active('wp-mail-smtp/wp_mail_smtp.php') ? 'active' : 'inactive',
        ];
    }

    public static function listEmailLog(array $args): array {
        // Works with WP Mail SMTP log or generic fallback
        $per_page = (int)($args['per_page'] ?? 20);
        global $wpdb;
        // Try WP Mail SMTP log table
        $table = $wpdb->prefix . 'wpms_logs';
        if ($wpdb->get_var("SHOW TABLES LIKE '$table'")) {
            $rows = $wpdb->get_results($wpdb->prepare(
                "SELECT id, subject, people, status, date_sent FROM $table ORDER BY id DESC LIMIT %d", $per_page
            ), ARRAY_A);
            return ['source'=>'wp-mail-smtp','logs'=>$rows,'count'=>count($rows)];
        }
        return ['source'=>'none','message'=>'No email log plugin detected. Install WP Mail SMTP for logging.','logs'=>[]];
    }
}