<?php

namespace app\common\service;

use app\common\model\User;
use app\common\model\UserGroupMembers;
use app\common\validate\WordpressVisitorValidate;
use app\common\traits\crud\CrudServiceTrait;
use app\common\model\WordpressVisitor;
use support\exception\BusinessException;
use support\Redis;
use support\Request;

class WordpressVisitorService
{

    use CrudServiceTrait;

    /**
     * 指定当前要操作的模型
     */
    protected string $modelClass = WordpressVisitor::class;

    /**
     * 验证器
     */
    protected $validator = WordpressVisitorValidate::class;

    /**
     * 获取验证器
     */
    public function getValidator()
    {
        return  new $this->validator;
    }

    public function whatsApp(Request $request){
//        $userAgent = $_SERVER['HTTP_USER_AGENT'];
//        $acceptLanguage = $_SERVER['HTTP_ACCEPT_LANGUAGE'];

        $userAgent = $request->header('User-Agent','');
        $acceptLanguage = $request->header('Accept-Language','');
        $referer = $request->header('referer');
        $ip = $request->getRealIp();
        $md5Hash = md5($userAgent . '-' . $acceptLanguage . '-' . $ip);
        $visitor = WordpressVisitor::where('md5_unique', $md5Hash)->first();
        if (!empty($visitor)) {
            $visitor->updated_at = time();
            $visitor->save();
            $user = User::where('id',$visitor['user_id'])->first();
            return $this->url($user['whatsapp'], $referer);
        }

        $lastId = Redis::get('wp_whatsApp_user');
        if($lastId){
            $last = WordpressVisitor::orderBy('id','desc')->first();
            $lastId = $last['id']??0;
        }

        $userIds = User::where('role',1)
            ->where('whatsapp','!=','')
            ->orderBy('id','asc')
            ->get()
            ->toArray();
        if(empty($userIds)){
            throw new BusinessException('没有符合条件的whatsApp~');
        }
        $userIds = array_column($userIds, 'id');
        $userIds = array_values($userIds);
        $id = 0;
        foreach ($userIds as $userId) {
            if($userId < $lastId){
                $id = $userId;
            }
        }
        if(empty($id)){
            $id = array_shift($userIds);
        }
        Redis::set('wp_whatsApp_user',$id);

        $data = [
            'user_agent' => $userAgent,
            'accept_language' => $acceptLanguage,
            'ip' => $ip,
            'md5_unique' => $md5Hash,
            'user_id' => $id,
        ];
        WordpressVisitor::create($data);
        $user = User::where('id',$id)->first();
        //return $user['phone'];
        return $this->url($user['whatsapp'], $referer);
    }

    public function url($phone,$referer){
        $url = "https://wa.me/" . $phone;
        if(!empty($referer)){
            $url = $url . "?text=来自%20" . $referer;
        }
        return $url;
    }
}