<?php
/**
 * @Name
 * @Description
 * @Author 刘学玺
 * @Date 2024/3/25 17:00
 */

namespace App\Http\Services\Frontend\Client\Auth;

use App\Exceptions\ApiException;
use App\Http\Services\Frontend\Client\Common\AuthService;
use App\Http\Services\Frontend\Client\Common\SmsService;
use App\Http\Services\Service;
use App\Models\Member\User;
use App\Models\WechatUser;
use EasyWeChat\Kernel\Exceptions\InvalidArgumentException;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Response;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Str;
use Overtrue\LaravelWeChat\EasyWeChat;

class WechatAuthenticatedService extends Service
{
    /**
     * @throws InvalidArgumentException
     */
    public function oauth($data): array
    {
        $wechat = EasyWeChat::officialAccount();
        $oauth = $wechat->getOAuth();
        $scopes = $data['scopes'] ?: 'snsapi_base';
        //callback_url 是授权回调的URL
        //生成完整的授权URL
        $redirectUrl = $oauth->scopes([$scopes])->redirect($data['redirect_url']);
        return ['redirectUrl' => $redirectUrl];
    }

    /**
     * @throws InvalidArgumentException
     */
    public function callback(array $params): array
    {
        $wechat = EasyWeChat::officialAccount();
        $oauth = $wechat->getOAuth();

        // 获取 OAuth 授权用户信息
        $wechat_user = $oauth->userFromCode($params['code']);
        //$wechat_user = $user->toArray();

        $data = [
            'openid' => $wechat_user->getId() ?? $wechat_user->getTokenResponse()['openid']
        ];
        $avatar = $wechat_user->getAvatar();
        $avatar && ($data['avatar'] = $avatar);
        $nickname = $wechat_user->getNickname();
        $nickname && ($data['nickname'] = $nickname);

        \App\Models\Wechat\User::query()->create($data);

        $userIsExists = User::query()->where('openid', $data['openid'])->exists();
        $data['bindUser'] = true;
        if (!$userIsExists) {
//            $user_id = User::query()->create($data)->id;
//            $user = User::query()->find($user_id);
            $data['bindUser'] = false;
        }
//        $isExits = $this->hasOpenID($data['openid']);
        // 是否已存在
//        !$isExits && $this->create($data);

//        $wechatUser = WechatUser::query()->with('user.info')->where('openid', $data['openid'])->first();

//        return $this->success('', ['wechatUser' => $wechatUser->toArray()]);
        return $data;
    }

    private function hasOpenID($openId): bool
    {
        return false;
//        return WechatUser::query()->where('openid', $openId)->exists();
    }

    /**
     * @throws ApiException
     */
    public function bind(array $params): void
    {
        $mobile = $params['mobile'];
        $code = $params['code'];
        $openid = $params['open_id'];
        // 验证验证码
        $verifyCodeResult = (new SmsService())->verifyCode($mobile, $code);
        !$verifyCodeResult && self::error('验证码错误！', 400);

        // 获取微信信息
//        $data = [
//            'openid' => $params['openid'],
//            'avatar' => $params['avatar'],
//            'nickname' => $params['nickname'],
//        ];

        $register_ip = request()->getClientIp();

        // 获取绑定用户
        User::query()->updateOrCreate(['openid' => $openid], ['openid' => $openid, 'mobile' => $mobile, 'register_ip' => $register_ip]);

    }


    /**
     * @throws ApiException
     */
    public function store($data): array
    {
        // 公众号OpenID
        $openID = $data['open_id'];
        $autoRegister = $data['auto_register'] ?? 0;

        $user = User::query()->where('openid', $openID)->first();

        if (!$user && $autoRegister) {
            // 获取微信信息
            $wechatUser = \App\Models\Wechat\User::query()->where(['openid' => $openID])->first();
            // 创建用户信息
            $user_id = User::query()->create(['nickname' => $wechatUser['nickname'], 'avatar' => $wechatUser['avatar'], 'openid' => $openID])->id;
            $user = User::query()->find($user_id);
        }
        $token = (new AuthService)->store($user);
        return ['token' => $token];
    }

    public function create1($data): Response
    {
        // 判断验证码
        (new SmsService())->verify($data['mobile'], $data['code']);

        $where = ['mobile' => $data['mobile'], 'type' => 0];
        $exists = User::query()->where($where)->exists();

        if (!$exists) User::query()->create($where);

        // 绑定公众号
        $user = User::query()->where($where)->first();
        $user->open_id = $data['openid'];
        $user->save();
        return (new AuthService)->store($user);

    }

    // 发送短信
    public function send($data): Response
    {
        $mobile = $data['mobile'];
        $sms = new SmsService();
        return $sms->send($mobile, 0, 2);
    }


    /**
     * 公众号签名
     * @throws ApiException
     */
    public function getSignature(array $data): array
    {
        $wechat = EasyWeChat::officialAccount();
        $ticket = $wechat->getTicket();
        $jsapi_ticket = $ticket->getTicket();

        // 当前URL
        $url = request('url', request()->header('referer'));

        // 生成签名
        $nonceStr = 'xiaoding' . Str::random(20); // 请用随机算法生成
        $timestamp = time(); // 当前时间戳

        $signatureStr = "jsapi_ticket={$jsapi_ticket}&noncestr={$nonceStr}&timestamp={$timestamp}&url={$url}";

        $signature = sha1($signatureStr);

        $wechatConfig = $wechat->getConfig();

        // 数据用于前端显示
        $signPackage = [
            "appId" => $wechatConfig['app_id'],
            "nonceStr" => $nonceStr,
            "timestamp" => $timestamp,
            "url" => $url,
            "signature" => $signature,
            "rawString" => $signatureStr
        ];


//        $sign = $this->makeSha1Sign($signData); // 生成微信签名
//
//        $signData['signature'] = $sign;

        return $signPackage;
//
//
//        $access_token = $this->getAccessToken();
//
//        // 这里的$token就是你在微信公众平台设置的Token
//        // 这里的$timestamp就是时间戳
//        // 这里的$nonce就是随机数
//        // 这里的$msg就是发送给微信服务器的数据
//
//        // 将token、timestamp、nonce三个参数按字典序排序
//        $array = array($token, $timestamp, $nonce, $msg);
//        sort($array, SORT_STRING);
//
//        // 将排序后的三个参数拼接成一个字符串
//        $str = implode($array);
//
//        // 使用sha1算法计算出摘要
//        $signature = sha1($str);
//
//        // 转换成小写
//        $signature = strtolower($signature);
//
//        return $signature;
    }

    //生成 sha1 签名
    private function makeSha1Sign($array): string
    {
        //升序数组的键
        ksort($array);
        $params = urldecode(http_build_query($array));

        //字符串SHA1
        return sha1($params);
    }

    //获取微信access_token

    /**
     * @throws ApiException
     */
    private function getAccessToken()
    {
        $tokeUrl = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" . config('easywechat.official_account.default.app_id') . "&secret=" . config('easywechat.official_account.default.secret');
        $tokenResp = file_get_contents($tokeUrl);
        !$tokenResp && self::error('token 服务器返回失败');
        $tokenData = json_decode($tokenResp, true);
        if (!isset($tokenData['access_token'])) self::error($tokenData['errmsg']);
        return $tokenData['access_token'];
    }

    //获取微信ticket

    /**
     * @throws ApiException
     */
    private function getTicket($access_token)
    {
        $ticketUrl = 'https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=' . $access_token . '&type=jsapi';
        $ticketResp = file_get_contents($ticketUrl);
        if (!$ticketResp) return self::error('ticket 获取失败');
        $ticketData = json_decode($ticketResp, true);

        if (!isset($ticketData['ticket'])) return self::error('ticket 解析错误');

        $ticket = $ticketData['ticket'];
        cache::set('wechart_share_ticket', $ticket, 7200);
        return $ticket;
    }
}