<?php

namespace App\Services\Push;

use Carbon\Carbon;
use Illuminate\Support\Arr;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\Http;

class UniPushService
{
    protected $appId;

    protected $appKey;

    protected $appSecret;

    protected $masterSecret;

    protected $cacheKey;

    protected $uri = 'https://restapi.getui.com/v2/';

    public function __construct(string $appId, string $appKey, string $appSecret, string $masterSecret)
    {
        $this->appId = $appId;
        $this->appKey = $appKey;
        $this->appSecret = $appSecret;
        $this->masterSecret = $masterSecret;

        $this->cacheKey = 'uni-push-'.$this->appId;
    }

    /**
     * 获取当前实例token
     *
     * @return void
     */
    public function getToken()
    {
        if (Cache::has($this->cacheKey)) {
            return Cache::get($this->cacheKey);
        } else {
            return $this->getTokenFromServer();
        }
    }

    protected function getUri($uri)
    {
        return $this->uri.$this->appId.'/'.$uri;
    }

    /**
     * 获取unix毫秒时间戳
     *
     * @return void
     */
    protected function msectime()
    {
        list($msec, $sec) = explode(' ', microtime());
        $msectime = (float) sprintf('%.0f', (floatval($msec) + floatval($sec)) * 1000);
        return $msectime;
    }

    /**
     * 创建签名
     *
     * @return void
     */
    protected function makeSign($param)
    {
        return hash('sha256', $param['appkey'].$param['timestamp'].$this->masterSecret);
    }

    /**
     * 重新获取token
     *
     * @return void
     */
    protected function getTokenFromServer()
    {
        $token = '';
        $param = [
            'appkey'=>$this->appKey,
            'timestamp'=>$this->msectime(),
        ];
        $param['sign'] = $this->makeSign($param);
        $response = Http::withHeaders([
            'Accept' => 'application/json',
        ])->post($this->getUri('auth'), $param);

        if ($response->successful()) {
            $data = $response->json();
            $token = $data['data']['token'];
            Cache::put($this->cacheKey, $data['data']['token'], Carbon::createFromTimestampMs($data['data']['expire_time']));
        }
        return $token;
    }

    /**
     * 封装公共请求
     *
     * @return void
     */
    protected function post($uri, $params)
    {
        $token = $this->getToken();
        // dump($token, $this->getUri($uri), $params);
        $response = Http::withHeaders([
            'Accept' => 'application/json',
            'token' => $token,
        ])->post($this->getUri($uri), $params);

        $resData = [];
        // dd($response->json());
        if ($response->successful()) {
            $resData = $response->json();
        }
        return $resData;
    }

    protected function get($uri, $params = null)
    {
        $token = $this->getToken();

        $response = Http::withHeaders([
            'Accept' => 'application/json',
            'token' => $token,
        ])->get($this->getUri($uri), $params);

        $resData = [];
        if ($response->successful()) {
            $resData = $response->json();
        }
        return $resData;
    }

    protected function createPushData($title, $body, $params = [])
    {
        $payload = json_encode($params);
        return [
            'settings'=>[
                'ttl'=> 3600000,
                'strategy'=> [
                    'default'=>1,
                    'ios'=>4,
                ],
            ],
            'push_message'=>[
                'transmission'=> json_encode([
                    'title' => $title,
                    'content'=> $body,
                    'payload'=> $payload,
                ]),
                // 'notification'=>[
                //     'title' => $title,
                //     'body' => $body,
                //     'click_type'=> 'payload', //默认打开首页
                //     'payload'=> $payload,
                // ],
            ],
            'push_channel'=>[
                'android'=>[
                    'ups'=> [
                        'transmission'=> json_encode([
                            'title' => $title,
                            'content'=> $body,
                            'payload'=> $payload,
                        ]),
                        // 'notification'=>[
                        //     'title' => $title,
                        //     'body' => $body,
                        //     'click_type'=> 'payload', //默认打开首页
                        //     'payload'=> $payload,
                        // ],
                    ],
                ],
                'ios'=>[
                    'type'=>'notify',
                    'payload' => $payload,
                    'aps'=>[
                        'alert'=>[
                            'title'=>$title,
                            'body'=>$body,
                        ],
                        'content-available'=> 0,
                    ],
                ],
            ],
        ];
    }

    protected function createPushPayloadData($title, $body, $params = [])
    {
        $payload = json_encode($params);
        return [
            'settings'=>[
                'ttl'=> 3600000,
                'strategy'=> [
                    'default'=>1,
                    'ios'=>4,
                ],
            ],
            'push_message'=>[
                'transmission'=> json_encode([
                    // 'title' => $title,
                    // 'content'=> $body,
                    'payload'=> $title,
                ]),
                // 'notification'=>[
                //     'title' => $title,
                //     'body' => $body,
                //     'click_type'=> 'payload', //默认打开首页
                //     'payload'=> $payload,
                // ],
            ],
            'push_channel'=>[
                'android'=>[
                    'ups'=> [
                        'transmission'=> json_encode([
                            // 'title' => $title,
                            // 'content'=> $body,
                            'payload'=> $title,
                        ]),
                        // 'notification'=>[
                        //     'title' => $title,
                        //     'body' => $body,
                        //     'click_type'=> 'payload', //默认打开首页
                        //     'payload'=> $payload,
                        // ],
                    ],
                ],
                'ios'=>[
                    'type'=>'notify',
                    'payload' => $payload,
                    'aps'=>[
                        'alert'=>[
                            'title'=>$title,
                            'body'=>$body,
                        ],
                        'content-available'=> 0,
                    ],
                ],
            ],
        ];
    }

    /**
     * 绑定cid和user_id
     *
     * @return void
     */
    public function bindCid($userId, $cid)
    {
        $this->post('user/alias', [
            'data_list'=>[
                'cid' => $cid,
                'alias'=>$userId,
            ],
        ]);
    }

    /**
     * 解绑所有与该别名绑定的cid
     */
    public function unbindCid($userId)
    {
        return $this->formatResStatus(
            $this->get('user/alias/'.$userId)
        );
    }

    /**
     * 根据cid单推
     *
     * @return void
     */
    public function pushCid(string $sn, string $cid, string $title, string $body, array $params = [])
    {
        return $this->formatResStatus(
            $this->post('push/single/cid', array_merge([
                'request_id' => $sn,
                'audience'=>[
                    'cid'=>[
                        $cid,
                    ],
                ],
            ], $this->createPushData($title, $body, $params)))
        );
    }

    /**
     * 给所有人推送
     *
     * @param string $title
     * @param string $body
     * @param array $params
     * @return void
     */
    public function pushAll(string $sn, string $title, string $body, array $params = [])
    {
        return $this->formatResStatus(
            $this->post('push/all', array_merge([
                'request_id' => $sn,
                'audience'=>'all',
            ], $this->createPushData($title, $body, $params)))
        );
    }

    /**
     * Undocumented function
     *
     * @return void
     */
    public function pushPayload(string $sn, string $cid, string $title, string $body, array $params = [])
    {
        return $this->formatResStatus(
            $this->post('push/single/cid', array_merge([
                'request_id' => $sn,
                'audience'=>[
                    'cid'=>[
                        $cid,
                    ],
                ],
            ], $this->createPushPayloadData($title, $body, $params)))
        );
    }

    protected function formatResStatus($res): bool
    {
        if (Arr::get($res, 'code', 1) === 0) {
            return true;
        }
        return false;
    }
}