<?php
// +----------------------------------------------------------------------
// | YwxApp [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2026-2036 http://ywxapp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Author: ywxapp<admin@ywxapp.cn>
// +----------------------------------------------------------------------

namespace ywxapp\library;

use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception as PHPMailerException;
use think\facade\Log;

/**
 * 基于 PHPMailer 的简单邮件发送封装。
 * 未配置 SMTP 时静默返回 false（不阻断主流程）。
 */
class Mailer
{
    /**
     * 发送邮件
     * @param string $to      收件人
     * @param string $subject 主题
     * @param string $body    正文（支持 HTML）
     * @param bool   $isHtml  是否为 HTML 正文
     * @return bool
     */
    public static function send(string $to, string $subject, string $body, bool $isHtml = true): bool
    {
        $cfg = config('mail', []);
        if (empty($cfg['host']) || empty($cfg['username']) || empty($cfg['password'])) {
            Log::warning('[Mailer] 未配置 SMTP，跳过发送 -> ' . $to);
            return false;
        }

        $mail = new PHPMailer(true);
        try {
            $mail->isSMTP();
            $mail->Host       = $cfg['host'];
            $mail->SMTPAuth   = true;
            $mail->Username   = $cfg['username'];
            $mail->Password   = $cfg['password'];
            $mail->SMTPSecure = $cfg['secure'] ?? 'ssl';
            $mail->Port       = (int) ($cfg['port'] ?? 465);
            $mail->CharSet    = 'UTF-8';
            $mail->setFrom($cfg['from'] ?: $cfg['username'], $cfg['from_name'] ?? 'YwxApp');
            $mail->addAddress($to);
            $mail->isHTML($isHtml);
            $mail->Subject = $subject;
            $mail->Body    = $body;
            $mail->send();
            return true;
        } catch (PHPMailerException $e) {
            Log::error('[Mailer] 发送失败 -> ' . $mail->ErrorInfo);
            return false;
        } catch (\Exception $e) {
            Log::error('[Mailer] 异常 -> ' . $e->getMessage());
            return false;
        }
    }
}