<?php

namespace App\Module\Sms\Services;

use App\Module\Sms\Enums\Code;
use App\Module\Sms\Enums\CODE_TYPE;
use App\Module\Sms\Gateway\MyGateway;
use App\Module\Sms\Models\SmsCode;
use App\Module\System\Services\Config;
use Carbon\Carbon;
use Overtrue\EasySms\EasySms;
use Overtrue\EasySms\Exceptions\InvalidArgumentException;
use Overtrue\EasySms\Exceptions\NoGatewayAvailableException;
use UCore\Exception\LogicException;
use UCore\Helper\Logger;

/**
 * 短信服务类
 */
class SmsService
{
    /**
     * 验证码有效期（秒）
     */
    public const CODE_EXPIRE_TIME = 600;

    /**
     * @var EasySms
     */
    protected $easySms;

    /**
     * 构造函数
     */
    public function __construct()
    {
        $this->initEasySms();
    }

    /**
     * 初始化 EasySms 实例
     */
    protected function initEasySms(): void
    {
        // 获取短信配置
        $list = \App\Module\System\Services\ConfigService::getByGroup("短信配置");

        $gateways = [];
        $gatewayConfigs = [];

        foreach ($list as $item) {
            if($item['is_open']){
                $gateways[] = $item['driver'];
                $gatewayConfigs[$item['driver']] = $item;
            }
        }

        // 获取基础配置
        $config = config('easysms');
        $config['default']['gateways'] = $gateways;
        $config['gateways'] = $gatewayConfigs;

        // 创建实例
        $this->easySms = new EasySms($config);

        // 注册自定义网关
        $this->easySms->extend('mygateway', function ($gatewayConfig) {
            return new MyGateway($gatewayConfig);
        });
    }

    /**
     * 发送验证码
     *
     * @param CODE_TYPE $type 验证码类型
     * @param string $phone 手机号
     * @param string $token 令牌
     * @return bool
     * @throws LogicException
     * @throws InvalidArgumentException
     */
    public function sendCode(CODE_TYPE $type, string $phone, string $token): bool
    {
        // 验证类型
        if (!Code::isValid($type)) {
            throw new LogicException('不存在的验证码类型');
        }

        // 生成验证码
        $code = mt_rand(100000, 999999);

        // 获取消息类
        $messageClass = Code::getTemplateClass($type);
        if (!$messageClass) {
            throw new LogicException('未找到对应的消息模板');
        }

        try {
            // 发送短信
            $result = $this->easySms->send($phone, new $messageClass([
                'code' => $code,
                'phone' => $phone
            ]));

            // 记录日志
            Logger::debug('sms.send', $result);

            // 保存验证码
            $smsCode = new SmsCode();
            $smsCode->mobile = $phone;
            $smsCode->token = $token;
            $smsCode->code_value = $code;
            $smsCode->type = $type->value;
            $smsCode->save();

            return true;
        } catch (NoGatewayAvailableException $e) {
            // 记录错误日志
            Logger::error('sms.error', [
                'message' => $e->getLastException()->getMessage(),
                'trace' => $e->getLastException()->getTraceAsString()
            ]);

            throw new LogicException('短信发送失败');
        }
    }

    /**
     * 验证短信验证码
     *
     * @param CODE_TYPE|int $type 验证码类型
     * @param string $phone 手机号
     * @param string $code 验证码
     * @return bool
     */
    public function verifyCode(CODE_TYPE|int $type, string $phone, string $code): bool
    {
        if (empty($phone) || empty($code)) {
            return false;
        }

        $typeValue = $type instanceof CODE_TYPE ? $type->value : $type;

        // 获取最新的验证码记录
        $smsCode = SmsCode::query()
            ->where('mobile', $phone)
            ->where('type', $typeValue)
            ->orderByDesc('id')
            ->first();

        if (!$smsCode) {
            return false;
        }

        // 检查验证码是否过期
        if ($smsCode->created_at->lt(Carbon::now()->subSeconds(self::CODE_EXPIRE_TIME))) {
            $smsCode->forceDelete();
            return false;
        }

        // 验证码匹配检查
        if ($smsCode->code_value === $code) {
            $smsCode->forceDelete();
            return true;
        }

        return false;
    }
}