<?php

namespace App\Http\Api;


use App\Services\Login\LoginTokenService;
use GuzzleHttp\Client;
use GuzzleHttp\Exception\GuzzleException;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Request;
use Illuminate\Support\Str;

class BaiduPanController extends HttpBaseController
{
    private string $appKey = 'nSE5u2ldxo0W3OjQ7To5R9bIeUD1o372';
    protected string $secretKey = 'Bj1nL69nTMYroU9nPmEmxQ8WbDiLHqMB';
    private string $signKey = 'N2w2BKit!0s1Tw9BvEG+=t!6By4KLogd';
    private string $redirect_uri = 'https://www.xingyousoft.com/baiduPan/notice';

    public function __construct()
    {
        parent::__construct();
        $this->setWebsite(__NAMESPACE__);

        if ($this->isTest()) {
            $this->appKey = 'XTRLGLW0bxs8L8RcwbcArrbt3NtQFljt';
            $this->secretKey = 'sAal4IGQOdbAbNYa06FE01VVU50jfhKZ';
            $this->redirect_uri = 'https://audio.xingyousoft.com/baiduPan/notice';
        }
    }

    public function getAuthUrl()
    {
        $this->isLoginJson();
        $token = $this->getToken();
        $url = 'http://openapi.baidu.com/oauth/2.0/authorize?response_type=code&client_id=' . $this->appKey . '&redirect_uri=' . urlencode($this->redirect_uri) . '&scope=basic,netdisk&display=page&force_login=1&login_type=sms&state=' . base64_encode($token);
        return responseMessage(1001, '', $url);
    }

    public function notice()
    {
        $code = Request::input('code');
        if (empty($code)) {
            echo "授权失败，请重试！";
            die();
        }

        $url = 'https://openapi.baidu.com/oauth/2.0/token?grant_type=authorization_code&code=' . $code . '&client_id=' . $this->appKey . '&client_secret=' . $this->secretKey . '&redirect_uri=' . urlencode($this->redirect_uri);
        $requestArr = $this->getHttp($url);
        if (is_array($requestArr)) {
            $isSuccess = $this->save($requestArr);

            if ($isSuccess) {
                $msg = '恭喜你，授权成功！请回到软件中使用吧！';
            } else {
                $msg = '服务器错误，请稍后再试！';
            }
        } else {
            $isSuccess = false;
            $msg = "授权失败，请重试！";
        }

        return view('home/baidu', ['is_success' => $isSuccess, 'msg' => $msg]);
    }

    /**
     * 获取百度网盘用户的授权信息
     * @return \Illuminate\Http\JsonResponse
     */
    public function getPanUserList()
    {
        $this->isLoginJson();

        $list = DB::table('baidu_pan_token')
            ->select(['mid', 'pan_user_info', 'access_token', 'expires_in'])
            ->where('user_id', $this->userId)->where('is_delete', 0)->get();

        return responseMessage(1001, 'success', $list);
    }

    // 获取baidu,token
    public function getBaiduAuth()
    {
        $mid = Request::post('mid');
        if (empty($mid)) {
            return responseMessage(2003, '参数错误，请重试！');
        }

        $this->isLoginJson();
        $panInfo = DB::table('baidu_pan_token')
            ->where('user_id', $this->userId)
            ->where('mid', $mid)
            ->where('is_delete', 0)->first();
        if ($panInfo) {
            if (time() - $panInfo->created_at >= $panInfo->expires_in) {
                $result = $this->refresh($panInfo);
                if ($result) {
                    return responseMessage(1001, '', $result);
                } else {
                    return responseMessage(2001, '获取授权失败，请重新授权！');
                }
            } else {
                return responseMessage(1001, '', $panInfo->access_token);
            }
        } else {
            return responseMessage(2002, '获取授权失败，请重新授权！');
        }
    }

    /**
     * 删除网盘用户
     */
    public function delPanUser()
    {
        $mid = Request::post('mid');
        if (empty($mid)) {
            return responseMessage(2003, '参数错误，请重试！');
        }

        $this->isLoginJson();

        $panInfo = DB::table('baidu_pan_token')
            ->where('user_id', $this->userId)
            ->where('mid', $mid)
            ->where('is_delete', 0)->first();

        if ($panInfo) {
            $isSuccess = DB::table('baidu_pan_token')->where('id', $panInfo->id)->update(['is_delete' => 1]);
            if ($isSuccess) {
                return responseMessage(1001, '操作成功！');
            } else {
                return responseMessage(2002, '删除失败，请稍后再试！');
            }
        } else {
            return responseMessage(2001, '删除失败，请稍后再试！');
        }
    }

    /**
     * 获取网盘信息
     *
     * @return \Illuminate\Http\JsonResponse
     */
    public function getPanInfo()
    {
        $this->isLoginJson();

        $mid = Request::post('mid');
        if (empty($mid)) {
            return responseMessage(2003, '参数错误，请重试！');
        }

        $panInfo = DB::table('baidu_pan_token')
            ->where('user_id', $this->userId)
            ->where('mid', $mid)
            ->where('is_delete', 0)->first();

        if ($panInfo) {
            $info = $this->getPanUserInfo($panInfo->access_token);
            if ($info) {
                return responseMessage(1001, 'success', $info);
            } else {
                return responseMessage(2004, '获取授权失败，请重试！');
            }
        } else {
            return responseMessage(2002, '获取授权失败，请重新授权！');
        }
    }

    /**
     * 保存信息
     *
     * @throws \Throwable
     */
    private function save($requestArr)
    {
        $access_token = $requestArr['access_token'];
        $expires_in = $requestArr['expires_in'];
        $refresh_token = $requestArr['refresh_token'];
        $scope = $requestArr['scope'];
        $state = Request::input('state'); // 为token信息
        $state = base64_decode($state);

        $panUserInfo = $this->getPanUserInfo($access_token);
        if (empty($panUserInfo)) {
            echo "获取用户信息失败，请重新授权！";
            die();
        }
        $uk = $panUserInfo['uk'];

        // 获取当前的用户的信息
        $loginToken = new LoginTokenService('user_access_token');
        $tokenInfo = $loginToken->findToken($state);
        if (empty($tokenInfo)) {
            echo "token已经过期，请重新授权！" . $state;
            die();
        }
        $userId = $tokenInfo->user_id;

        $data = [
            'user_id' => $userId,
            'uk' => $uk,
            'pan_user_info' => json_encode($panUserInfo),
            'access_token' => $access_token,
            'expires_in' => $expires_in,
            'refresh_token' => $refresh_token,
            'scope' => $scope,
            'status' => 1
        ];
        $panInfo = DB::table('baidu_pan_token')
            ->where('user_id', $userId)
            ->where('uk', $uk)
            ->where('is_delete', 0)->first();

        if ($panInfo) {
            // 更新数据
            $isSuccess = DB::table('baidu_pan_token')->where('id', $panInfo->id)->update($data);
        } else {
            // 保存到数据库
            $data['mid'] = Str::random(12);
            $data['created_at'] = time();
            $data['updated_at'] = time();

            $isSuccess = DB::table('baidu_pan_token')->insert($data);
        }

        return $isSuccess;
    }

    private function getPanUserInfo($access_token)
    {
        $url = 'https://pan.baidu.com/rest/2.0/xpan/nas?method=uinfo&access_token=' . $access_token;
        $requestArr = $this->getHttp($url);
        if (is_array($requestArr)) {
            Log::info('===========', $requestArr);
            return $requestArr;
        } else {
            return false;
        }
    }

    /**
     * 刷新权限
     *
     * @param $panInfo
     * @return mixed
     */
    private function refresh($panInfo): mixed
    {
        $url = 'https://openapi.baidu.com/oauth/2.0/token?grant_type=refresh_token&refresh_token=' . $panInfo->refresh_token . '&client_id=' . $this->appKey . '&client_secret=' . $this->secretKey;

        $requestArr = $this->getHttp($url);
        if (is_array($requestArr)) {
            // 更新数据
            $data = [
                'user_id' => $this->userId,
                'access_token' => $requestArr['access_token'],
                'expires_in' => $requestArr['expires_in'],
                'refresh_token' => $requestArr['refresh_token'],
                'scope' => $requestArr['scope'],
            ];
            DB::table('baidu_pan_token')->where('id', $panInfo->id)->update($data);

            return $requestArr['access_token'];
        } else {
            return false;
        }
    }

    private function getHttp($url)
    {
        $client = new Client();

        try {
            $request = $client->get($url)->getBody()->getContents();
            $requestArr = json_decode($request, true);

            return $requestArr;
        } catch (GuzzleException $e) {
            return $e->getMessage();
        }
    }
}