<?php

declare(strict_types=1);

namespace app\admin\controller\System;

use app\admin\BaseController;
use think\exception\ValidateException;
use think\facade\Db;
use think\facade\Session;
use think\response\Json;
use think\db\exception\DbException;
use app\model\System\SystemEmail;
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception as MailException;

class EmailController extends BaseController
{
    /**
     * 获取邮箱信息
     * @return Json
     */
    public function getEmailInfo()
    {
        try {
            $email = SystemEmail::order('id', 'asc')
                ->field('id, from_address, from_name, host, port, password, encryption, timeout, create_time, update_time')
                ->select()
                ->toArray();
            // 记录操作日志
            $this->logSuccess('邮箱管理', '获取邮箱信息', ['data' => $email]);
            return json([
                'code' => 200,
                'msg' => '获取成功',
                'data' => $email
            ]);
        } catch (DbException $e) {
            // 记录失败日志
            $this->logFail('邮箱管理', '获取邮箱信息', $e->getMessage());
            return json([
                'code' => 500,
                'msg' => '获取失败：' . $e->getMessage(),
                'data' => []
            ]);
        }
    }

    /**
     * 编辑邮箱信息
     * @return Json
     */
    public function editEmailInfo()
    {
        try {
            // 获取原始请求参数（驼峰命名）
            $raw = $this->request->post();

            // 手动映射为下划线命名，便于与数据库字段、验证规则对应
            $data = [
                'from_address' => $raw['fromAddress'] ?? '',
                'from_name' => $raw['fromName'] ?? '',
                'host' => $raw['host'] ?? '',
                'port' => $raw['port'] ?? '',
                'password' => $raw['password'] ?? '',
                'encryption' => $raw['encryption'] ?? '',
                'timeout' => $raw['timeout'] ?? '',
            ];

            // 验证参数
            $this->validate($data, [
                'from_address|发件人邮箱' => 'require|max:255',
                'from_name|发件人名称' => 'require|max:255',
                'host|SMTP主机' => 'require|max:255',
                'port|SMTP端口' => 'require|integer',
                'password|密码' => 'require|max:255',
                'encryption|加密方式' => 'require|max:255',
                'timeout|超时时间' => 'require|integer',
            ]);

            // 先查一条配置（本表设计为单条配置）
            $email = SystemEmail::order('id', 'asc')->find();

            // 公共字段
            $saveData = [
                'from_address' => $data['from_address'],
                'from_name'    => $data['from_name'],
                'host'         => $data['host'],
                'port'         => $data['port'],
                'password'     => $data['password'],
                'encryption'   => $data['encryption'],
                'timeout'      => $data['timeout'],
            ];

            if ($email) {
                // 已有一条记录，按主键更新
                $saveData['update_time'] = date('Y-m-d H:i:s');
                SystemEmail::update($saveData, ['id' => $email['id']]);
            } else {
                // 没有记录，插入新记录
                $saveData['create_time'] = date('Y-m-d H:i:s');
                $saveData['update_time'] = $saveData['create_time'];
                $model = new SystemEmail();
                $model->save($saveData);
            }

            // 获取最新的邮箱信息
            $updatedEmail = SystemEmail::order('id', 'asc')->find();

            // 记录操作日志
            $this->logSuccess('邮箱管理', '更新邮箱信息', ['data' => $updatedEmail]);
            return json([
                'code' => 200,
                'msg' => '更新成功',
                'data' => $updatedEmail
            ]);
        } catch (ValidateException $e) {
            // 记录失败日志
            $this->logFail('邮箱管理', '更新邮箱信息', $e->getMessage());
            return json([
                'code' => 400,
                'msg' => $e->getError()
            ]);
        } catch (DbException $e) {
            // 记录失败日志
            $this->logFail('邮箱管理', '更新邮箱信息', $e->getMessage());
            return json([
                'code' => 500,
                'msg' => '更新失败：' . $e->getMessage()
            ]);
        }
    }
    /**
     * 发送测试邮件
     * @return Json
     */
    public function sendTestEmail()
    {
        try {
            // 获取前端传来的表单数据（驼峰命名）
            $raw = $this->request->post();

            // 映射为下划线命名，便于验证和使用
            $data = [
                'from_address' => $raw['fromAddress'] ?? '',
                'from_name'    => $raw['fromName'] ?? '',
                'host'         => $raw['host'] ?? '',
                'port'         => $raw['port'] ?? '',
                'password'     => $raw['password'] ?? '',
                'encryption'   => $raw['encryption'] ?? '',
                'timeout'      => $raw['timeout'] ?? 30,
                'test_email'   => $raw['testEmail'] ?? '',
            ];

            // 参数验证
            $this->validate($data, [
                'from_address|发件人邮箱' => 'require|email|max:255',
                'from_name|发件人名称'   => 'max:255',
                'host|SMTP主机'         => 'require|max:255',
                'port|SMTP端口'         => 'require|integer',
                'password|密码'         => 'require|max:255',
                'encryption|加密方式'   => 'require|max:10',
                'timeout|超时时间'      => 'integer',
                'test_email|测试收件邮箱' => 'require|email|max:255',
            ]);

            // 使用 PHPMailer 发送测试邮件
            $mail = new PHPMailer(true);

            // 服务器设置
            $mail->CharSet  = 'UTF-8';
            $mail->isSMTP();
            $mail->Host       = $data['host'];
            $mail->SMTPAuth   = true;
            // 发件人邮箱即为登录用户名
            $mail->Username   = $data['from_address'];
            $mail->Password   = $data['password'];
            $mail->Port       = (int)$data['port'];

            // 加密方式
            if (in_array(strtolower((string)$data['encryption']), ['ssl', 'tls'], true)) {
                $mail->SMTPSecure = strtolower((string)$data['encryption']);
            }

            // 超时时间（秒）
            if (!empty($data['timeout'])) {
                $mail->Timeout = (int)$data['timeout'];
            }

            // 收发件配置
            $fromName = $data['from_name'] ?: $data['from_address'];
            $mail->setFrom($data['from_address'], $fromName);
            $mail->addAddress($data['test_email']);

            // 内容
            $mail->isHTML(false);
            $mail->Subject = '测试邮件 - 网站邮箱配置';
            $mail->Body    = '这是一封测试邮件，用于验证网站邮箱配置是否正确。发送时间：' . date('Y-m-d H:i:s');

            // 发送
            $mail->send();

            // 记录操作日志
            $this->logSuccess('邮箱管理', '发送测试邮件', [
                'to'   => $data['test_email'],
                'host' => $data['host'],
            ]);

            return json([
                'code' => 200,
                'msg'  => '测试邮件发送成功',
            ]);
        } catch (ValidateException $e) {
            $this->logFail('邮箱管理', '发送测试邮件', $e->getMessage());
            return json([
                'code' => 400,
                'msg' => $e->getError()
            ]);
        } catch (MailException $e) {
            $this->logFail('邮箱管理', '发送测试邮件', $e->getMessage());
            return json([
                'code' => 500,
                'msg' => '发送失败：' . $e->getMessage()
            ]);
        } catch (\Exception $e) {
            $this->logFail('邮箱管理', '发送测试邮件', $e->getMessage());
            return json([
                'code' => 500,
                'msg' => '发送失败：' . $e->getMessage()
            ]);
        }
    }
}