<?php
// +----------------------------------------------------------------------
// | LARAVEL8.0 框架 [ LARAVEL ][ RXThinkCMF ]
// +----------------------------------------------------------------------
// | 版权所有 2017~2021 LARAVEL研发中心
// +----------------------------------------------------------------------
// | 官方网站: http://www.laravel.cn
// +----------------------------------------------------------------------
// | Author: laravel开发员 <laravel.qq.com>
// +----------------------------------------------------------------------

namespace App\Services\Api;

use App\Models\GroupModel;
use App\Models\GroupUserSettingModel;
use App\Models\MemberModel;
use App\Services\BaseService;
use App\Services\ConfigService;
use App\Services\RedisService;
use Illuminate\Support\Facades\DB;

/**
 * 群聊服务管理-服务类
 * @author laravel开发员
 * @since 2020/11/11
 * @package App\Services\Api
 */
class GroupService extends BaseService
{
    // 静态对象
    protected static $instance = null;

    /**
     * 构造函数
     * @author laravel开发员
     * @since 2020/11/11
     * MessageService constructor.
     */
    public function __construct()
    {
        $this->model = new GroupModel();
    }

    /**
     * 静态入口
     * @return static|null
     */
    public static function make()
    {
        if (!self::$instance) {
            self::$instance = (new static());
        }
        return self::$instance;
    }

    /**
     * 群聊列表
     * @param $userId
     * @param $params
     * @param int $pageSize
     * @return array
     */
    public function getDataList($userId, $params, $pageSize = 0)
    {
        $page = request()->post('page', 1);
        $cacheKey = "caches:messages:group_{$page}_" . md5($userId . json_encode($params) . $pageSize);
        $datas = RedisService::get($cacheKey);
        if ($datas) {
            return $datas;
        }

        $where = ['a.status' => 1, 'a.mark' => 1];
        $field = ['a.id','a.user_id', 'a.name', 'a.group_users', 'a.thumb', 'a.status'];
        $model = $this->model->from('groups as a')
            ->where($where)
            ->where(function ($query) use ($params, $userId) {
                $query->where(['a.user_id'=> $userId]);
            });

        $datas = $model->select($field)
            ->orderBy('a.create_time', 'desc')
            ->paginate($pageSize > 0 ? $pageSize : 9999999);
        $datas = $datas ? $datas->toArray() : [];

        if ($datas) {
            foreach ($datas['data'] as &$item) {
                $item['users'] = [];
                $groupUsers = $item['group_users']? explode(',', $item['group_users']) : [];
                $item['user_count'] = $groupUsers? count($groupUsers) : 1;
                $item['thumb']= $item['thumb']? get_image_url($item['thumb']) : '';
                if($item['thumb'] == '' ){
                   $userIds = $groupUsers? array_slice($groupUsers,0,9) : [$userId];
                   $item['users'] = $this->getGroupUsers($item['id'], $userIds);
                }
            }
            unset($item);
            RedisService::set($cacheKey, $datas, rand(5, 10));
        }
        return [
            'list' => isset($datas['data']) ? $datas['data'] : [],
            'total' => isset($datas['total']) ? $datas['total'] : 0,
            'pageSize' => $pageSize
        ];
    }

    /**
     * 群聊默认头像用户
     * @param $groupId
     * @param int $num
     * @return array|mixed
     */
    public function getGroupUsers($groupId,$userIds, $type=1)
    {
        $cacheKey = "caches:groups:users_{$groupId}_".md5(json_encode($userIds));
        $data = RedisService::get($cacheKey);
        if($data){
            return $data;
        }
        $data = MemberModel::from('member as a')
            ->leftJoin('groups_user_setting as b',function($join) use($groupId){
                $join->on('b.user_id','=','a.id')->where(['b.group_id'=> $groupId,'b.mark'=>1]);
            })
            ->where(['a.status'=>1,'a.mark'=>1])
            ->whereIn('a.id', $userIds)
            ->select(['a.id','a.nickname','a.avatar','b.nickname as group_nickname'])
            ->get();
        $data = $data? $data->toArray() :[];
        if($data){
            foreach ($data as &$item){
                $item['avatar'] = $item['avatar']? $item['avatar'] : '/images/member/logo.png';
                $item['avatar_base64'] = $item['avatar'] && $type==1?getImageContent($item['avatar']):'';
                $item['avatar'] = get_image_url($item['avatar']);
                $item['nickname'] = $item['group_nickname']? $item['group_nickname'] : $item['nickname'];
            }

            array_multisort($userIds,SORT_ASC, $data);
            RedisService::set($cacheKey, $data, rand(300, 600));
        }

        return $data;

    }

    /**
     * 创建群聊
     * @param $userId
     * @param $params
     * @return array|false
     */
    public function create($userId, $params)
    {
        $userIds = isset($params['user_ids'])? $params['user_ids'] : [];
        if(!is_array($userIds) || count($userIds)<=0){
            $this->error = 3401;
            return false;
        }

        $userCount = ConfigService::make()->getConfigByCode('group_user_count',500);
        if(count($userIds) > $userCount){
            $this->error = web_lang(3402,['num'=> $userCount]);
            return false;
        }

        // 验证账户
        $userInfo = MemberModel::where(['id'=> $userId,'mark'=>1])
            ->select(['id','nickname','username','status'])
            ->first();
        $status = isset($userInfo['status'])? $userInfo['status'] : 0;
        $nickname = isset($userInfo['nickname'])? $userInfo['nickname'] : '';
        if(empty($userInfo) || $status != 1){
            $this->error = 2024;
            return false;
        }

        $users = MemberModel::where(['status'=>1,'mark'=>1])->whereIn('id', $userIds)
            ->select(['id','nickname','avatar'])
            ->get();
        $users = $users? $users->toArray() : [];
        if(empty($users)){
            $this->error = 3403;
            return false;
        }

        // 群成员
        $ids = [$userId];
        $names = [$nickname];
        $message = [];
        $groupId = GroupModel::count('id')+1;
        $groupUsers = [];
        foreach ($users as $k => $item){
            $ids[] = $item['id'];
            $groupUsers[] = [
                'user_id'=> $item['id'],
                'group_id'=> $groupId,
                'create_time'=> time(),
                'status'=> 1,
                'mark'=>1
            ];
            if($k<=3){
                $names[] = $item['nickname'];
            }
            if($k<=10){
                $message[] = $item['nickname'];
            }
        }

        if(empty($ids)){
            $this->error = 3403;
            return false;
        }

        DB::beginTransaction();
        $data= [
            'name'=> isset($params['name'])? trim($params['name']) : '',
            'thumb'=> isset($params['thumb'])? trim($params['thumb']) : '',
            'user_id'=> $userId,
            'manage_users'=> $userId,
            'group_users'=> $ids? implode(',', $ids) : '',
            'chat_status'=> 1,
            'friend_status'=> 1,
            'status'=> 1,
            'mark'=> 1,
            'description'=> isset($params['description'])? trim($params['description']) : '',
            'create_time'=>time(),
        ];

        if(!$groupId = $this->model->insertGetId($data)){
            DB::rollBack();
            $this->error = 3404;
            return false;
        }

        // 群成员设置）
        if($groupUsers && !GroupUserSettingModel::insert($groupUsers)){
            DB::rollBack();
            $this->error = 3404;
            return false;
        }


        // 建群消息
        $message = $message? implode('、', $message).(count($message)>10?'...':'') : '';
        $message = $message? "{$message}" : '您创建了一个群聊';
        MessageService::make()->pushGroupMessage($groupId,'建群消息',$message,6);

        DB::commit();
        $this->error = 3405;
        return ['group_id'=> $groupId];

    }

    /**
     * 群聊详情
     * @param $userId
     * @param $groupId
     * @return array
     */
    public function getInfo($userId, $groupId)
    {
        $info = $this->model->with(['member'])->where(['id'=> $groupId,'mark'=>1])->first();
        $info = $info? $info->toArray() : [];
        if($info){
            $info['users'] = [];
            $info['is_manage'] = 0;
            $groupUsers = $info['group_users']? explode(',', $info['group_users']) : [];
            $manageUsers = $info['manage_users']? explode(',', $info['manage_users']) : [];
            $info['user_count'] = $groupUsers? count($groupUsers) : 1;
            $info['thumb'] = $info['thumb']? get_image_url($info['thumb']) : '';
            $info['users'] = $this->getGroupUsers($groupId, $groupUsers, 1);
            $info['manages'] = $this->getGroupUsers($groupId, $manageUsers, 2);
            $info['user_setting'] = GroupUserSettingModel::where(['group_id'=> $groupId,'user_id'=>$userId,'mark'=>1])->first();
            if(in_array($userId, $manageUsers)){
                $info['is_manage'] = 1;
            }

            $data =  ['gid'=> $groupId,'scene'=>'group'];
            $qrcode = MemberService::make()->makeQrcode(json_encode($data));
            $info['qrcode'] = $qrcode? get_image_url($qrcode):'';
            $info['qrcode_base64'] = $qrcode?getImageContent($qrcode):'';

            if($id = GroupUserSettingModel::where(['user_id'=> $userId,'group_id'=> $groupId,'mark'=>1])->value('id')){
                GroupUserSettingModel::where(['id'=> $id])->update(['read_time'=>time()]);
            }else{
                GroupUserSettingModel::insertGetId(['user_id'=> $userId,'group_id'=> $groupId,'read_time'=>time(),'create_time'=>time(),'mark'=>1]);
            }
        }

        return $info;
    }

    /**
     * 邀请入群
     * @param $userId
     * @param $groupId
     * @return bool
     */
    public function invite($userId, $groupId)
    {
        $info = $this->model->where(['id'=> $groupId,'mark'=>1])->first();
        $info = $info? $info->toArray() : [];
        $status = isset($info['status'])? $info['status'] : 0;
        $friendStatus = isset($info['friend_status'])? $info['friend_status'] : 0;
        $groupUsers = isset($info['group_users'])? $info['group_users'] : '';
        $groupUsers = $groupUsers? explode(',', $groupUsers) : [];
        if(empty($info)){
            $this->error = 3410;
            return false;
        }

        if($status != 1 || $friendStatus==2){
            $this->error = 3411;
            return false;
        }

        $userCount = ConfigService::make()->getConfigByCode('group_user_count',500);
        if(count($groupUsers) >= $userCount){
            $this->error = 3413;
            return false;
        }

        if(in_array($userId, $groupUsers)){
            $this->error = 3414;
            return true;
        }

        // 验证账户
        $userInfo = MemberModel::where(['id'=> $userId,'mark'=>1])
            ->select(['id','nickname','username','status'])
            ->first();
        $status = isset($userInfo['status'])? $userInfo['status'] : 0;
        $nickname = isset($userInfo['nickname'])? $userInfo['nickname'] : '';
        if(empty($userInfo) || $status != 1){
            $this->error = 2024;
            return false;
        }

        $groupUsers[] = $userId;
        if($this->model->where(['id'=> $groupId])->update(['group_users'=> implode(',', $groupUsers),'update_time'=>time()])){
            $setting = [
                'user_id'=> $userId,
                'group_id'=> $groupId,
                'create_time'=> time(),
                'status'=> 1,
                'mark'=>1
            ];
            GroupUserSettingModel::insertGetId($setting);

            // 邀请消息
            MessageService::make()->pushGroupMessage($groupId,'二维码邀请入群消息', $nickname,6);

            $this->error = 3415;
            return true;
        }

        $this->error = 3416;
        return false;

    }

    /**
     * 保存设置
     * @param $userId
     * @param $params
     * @return bool
     */
    public function saveData($userId, $params)
    {
        $groupId = isset($params['group_id'])? $params['group_id'] : 0;
        $updateData = [
            'update_time'=>time(),
        ];
        if(isset($params['show_nickname']) && $params['show_nickname']){
            $updateData['show_nickname'] = intval($params['show_nickname']);
        }
        if(isset($params['friend_status']) && $params['friend_status']){
            $updateData['friend_status'] = intval($params['friend_status']);
        }
        if(isset($params['chat_status']) && $params['chat_status']){
            $updateData['chat_status'] = intval($params['chat_status']);
        }
        if(isset($params['name']) && $params['name']){
            $updateData['name'] = $params['name'];
        }
        if(isset($params['description']) && $params['description']){
            $updateData['description'] = $params['description'];
        }

        $setting = ['update_time'=>time()];
        if(isset($params['show_name']) && $params['show_name']){
            $setting['show_nickname'] = intval($params['show_name']);
        }
        if(isset($params['nickname']) && $params['nickname']){
            $setting['nickname'] = trim($params['nickname']);
        }
        $this->model->where(['id'=> $groupId])->update($updateData);
        GroupUserSettingModel::where(['user_id'=> $userId,'group_id'=> $groupId])->update($setting);

        if(isset($updateData['chat_status'])){
            MessageService::make()->pushGroupMessage($groupId,$updateData['chat_status'] != 1?'本群已开启禁言，仅管理员可发言':'本群已禁言', '',6);
        }
        return true;
    }

    /**
     * 添加群成员
     * @param $userId
     * @param $params
     * @return bool
     */
    public function addUser($userId, $params)
    {
        $groupId = isset($params['group_id'])? $params['group_id'] : 0;
        $ids = isset($params['ids'])? $params['ids'] : [];
        $info = $this->model->where(['id'=> $groupId,'mark'=>1])->first();
        $info = $info? $info->toArray() : [];
        $groupUsers = isset($info['group_users'])? $info['group_users'] : '';
        $groupUsers = $groupUsers? explode(',', $groupUsers) : [];
        if(empty($info)){
            $this->error = 3410;
            return false;
        }


        if(empty($ids) || !is_array($ids)){
            $this->error = 3450;
            return false;
        }

        $users = MemberModel::whereIn('id', $ids)->where(['mark'=>1])->select(['id','nickname'])->get();
        $users = $users? $users->toArray() : [];
        if(empty($users)){
            $this->error = 3451;
            return false;
        }

        // 加入
        $names = [];
        $settingData = [];
        $count = count($groupUsers);
        foreach ($users as $item){
            $id = $item['id'];
            if (($key = array_search($id, $groupUsers)) === false) {
                $names[] = $item['nickname'];
                $groupUsers[] = $id;
                $settingData[] = [
                    'user_id'=> $id,
                    'group_id'=> $groupId,
                    'create_time'=> time(),
                    'status'=> 1,
                    'mark'=>1
                ];
            }
        }

        if(count($groupUsers) <= $count){
            $this->error = 3451;
            return false;
        }

        // 群消息
        DB::beginTransaction();
        if(!$this->model->where(['id'=> $groupId])->update(['group_users'=> implode(',', $groupUsers),'update_time'=> time()])){
            DB::rollBack();
            $this->error = 1003;
            return false;
        }

        if($settingData && !GroupUserSettingModel::insert($settingData)){
            DB::rollBack();
            $this->error = 1003;
            return false;
        }

        MessageService::make()->pushGroupMessage($groupId,'被邀请进入群聊', implode('、', $names),6);
        DB::commit();
        $this->error = 1002;
        return true;
    }


    /**
     * 踢出成员
     * @param $userId
     * @param $params
     * @return bool
     */
    public function decUser($userId, $params)
    {
        $groupId = isset($params['group_id'])? $params['group_id'] : 0;
        $ids = isset($params['ids'])? $params['ids'] : [];
        $info = $this->model->where(['id'=> $groupId,'mark'=>1])->first();
        $info = $info? $info->toArray() : [];
        $groupUsers = isset($info['group_users'])? $info['group_users'] : '';
        $groupUsers = $groupUsers? explode(',', $groupUsers) : [];
        if(empty($info)){
            $this->error = 3410;
            return false;
        }


        if(empty($ids) || !is_array($ids)){
            $this->error = 3420;
            return false;
        }

        $users = MemberModel::whereIn('id', $ids)->where(['mark'=>1])->select(['id','nickname'])->get();
        $users = $users? $users->toArray() : [];
        if(empty($users)){
            $this->error = 3421;
            return false;
        }

        // 踢出
        $names = [];
        foreach ($users as $item){
            $id = $item['id'];
            if (($key = array_search($id, $groupUsers)) !== false) {
                $names[] = $item['nickname'];
                unset($groupUsers[$key]);
            }
        }

        // 群消息
        DB::beginTransaction();
        if(!$this->model->where(['id'=> $groupId])->update(['group_users'=> implode(',', $groupUsers),'update_time'=> time()])){
            DB::rollBack();
            $this->error = 1003;
            return false;
        }
        if(!GroupUserSettingModel::where(['group_id'=> $groupId])->whereIn('user_id',$ids)->update(['mark'=>0,'update_time'=> time()])){
            DB::rollBack();
            $this->error = 1003;
            return false;
        }

        MessageService::make()->pushGroupMessage($groupId,'被踢出群聊', implode('、', $names),6);
        DB::commit();
        $this->error = 1002;
        return true;
    }

    /**
     * 群管理员设置
     * @param $userId
     * @param $groupId
     * @return bool
     */
    public function addManage($userId, $params)
    {
        $groupId = isset($params['group_id'])? $params['group_id'] : 0;
        $ids = isset($params['ids'])? $params['ids'] : [];
        $info = $this->model->where(['id'=> $groupId,'mark'=>1])->first();
        $info = $info? $info->toArray() : [];
        $status = isset($info['status'])? $info['status'] : 0;
        $manageUsers = isset($info['manage_users'])? $info['manage_users'] : '';
        $manageUsers = $manageUsers? explode(',', $manageUsers) : [];
        if(empty($info) || $status != 1){
            $this->error = 3410;
            return false;
        }

        if ($info['user_id'] != $userId){
            $this->error = 3422;
            return false;
        }

        $users = MemberModel::whereIn('id', $ids)->where(['mark'=>1])->select(['id','nickname'])->get();
        $users = $users? $users->toArray() : [];
        if(empty($users)){
            $this->error = 3451;
            return false;
        }

        // 加入
        $names = [];
        $count = count($manageUsers);
        foreach ($users as $item){
            $id = $item['id'];
            if (($key = array_search($id, $manageUsers)) === false) {
                $names[] = $item['nickname'];
                $manageUsers[] = $id;
            }
        }

        if(count($manageUsers) <= $count){
            $this->error = 3421;
            return false;
        }

        // 群消息
        DB::beginTransaction();
        if(!$this->model->where(['id'=> $groupId])->update(['manage_users'=> implode(',', $manageUsers),'update_time'=> time()])){
            DB::rollBack();
            $this->error = 1003;
            return false;
        }

        MessageService::make()->pushGroupMessage($groupId,'被设置为管理员', implode('、', $names),6);
        DB::commit();
        $this->error = 1002;
        return true;

    }

    /**
     * 删除群管理员
     * @param $userId
     * @param $groupId
     * @return bool
     */
    public function decManage($userId, $params)
    {
        $groupId = isset($params['group_id'])? $params['group_id'] : 0;
        $uid = isset($params['id'])? $params['id'] : 0;
        $info = $this->model->where(['id'=> $groupId,'mark'=>1])->first();
        $info = $info? $info->toArray() : [];
        $status = isset($info['status'])? $info['status'] : 0;
        $manageUsers = isset($info['manage_users'])? $info['manage_users'] : '';
        $manageUsers = $manageUsers? explode(',', $manageUsers) : [];
        if(empty($info) || $status != 1){
            $this->error = 3410;
            return false;
        }

        if ($info['user_id'] != $userId){
            $this->error = 3422;
            return false;
        }

        $userInfo = MemberModel::where(['id'=> $uid,'mark'=>1])->select(['id','nickname'])->first();
        $nickname = isset($userInfo['nickname'])? $userInfo['nickname'] : '';
        if(empty($userInfo)){
            $this->error = 3451;
            return false;
        }

        if(!in_array($uid, $manageUsers)){
            $this->error = 3423;
            return false;
        }

        if (($key = array_search($uid, $manageUsers)) !== false) {
            unset($manageUsers[$key]);
        }

        // 群消息
        DB::beginTransaction();
        if(!$this->model->where(['id'=> $groupId])->update(['manage_users'=> implode(',', $manageUsers),'update_time'=> time()])){
            DB::rollBack();
            $this->error = 1003;
            return false;
        }

        if($nickname){
            MessageService::make()->pushGroupMessage($groupId,'被取消管理员权限', $nickname,6);
        }
        DB::commit();
        $this->error = 1002;
        return true;

    }

    /**
     * 清空群聊聊天记录
     * @param $userId
     * @param $groupId
     * @return bool
     */
    public function exitGroup($userId, $groupId)
    {
        $info = $this->model->where(['id'=> $groupId,'mark'=>1])->first();
        $info = $info? $info->toArray() : [];
        $groupUsers = isset($info['group_users'])? $info['group_users'] : '';
        $groupUsers = $groupUsers? explode(',', $groupUsers) : [];
        if(empty($info)){
            $this->error = 3410;
            return false;
        }

        if(!in_array($userId, $groupUsers)){
            $this->error = 3417;
            return true;
        }

        if (($key = array_search($userId, $groupUsers)) !== false) {
            unset($groupUsers[$key]);
        }

        $this->model->where(['id'=> $groupId])->update(['group_users'=> implode(',', $groupUsers),'update_time'=> time()]);
        GroupUserSettingModel::where(['user_id'=> $userId,'group_id'=> $groupId])->update(['mark'=>0,'update_time'=> time()]);
        $this->error = 1002;
        return true;
    }

    /**
     * 清空群聊聊天记录
     * @param $userId
     * @param $groupId
     * @return bool
     */
    public function clear($userId, $groupId)
    {
        GroupUserSettingModel::where(['user_id'=> $userId,'group_id'=> $groupId])->update(['clear_time'=> time()]);
        return true;
    }

    /**
     * 解散群聊
     * @param $userId
     * @param $groupId
     * @return false
     */
    public function deleteGroup($userId, $groupId)
    {
        $info = $this->model->where(['id'=> $groupId,'mark'=>1])->first();
        $info = $info? $info->toArray() : [];
        if(empty($info)){
            $this->error = 3410;
            return false;
        }

        $this->model->where(['id'=> $groupId])->update(['mark'=>0,'update_time'=>time()]);
        MessageService::make()->pushGroupMessage($groupId,'解散群聊', implode('、', ),6);
    }
}