<?php

// +----------------------------------------------------------------------
// | Created by PhpStorm.
// +----------------------------------------------------------------------
// | user : JYF
// +----------------------------------------------------------------------
// | blog :
// +----------------------------------------------------------------------
// | email: 1749934563@qq.com
// +----------------------------------------------------------------------
// | Date : 2021/2/19
// +----------------------------------------------------------------------

namespace App\Services;

use App\Constants\FriendCircleConst;
use App\Exceptions\FriendCircleException;
use App\Http\Params\FriendCircleParam;
use App\Http\Params\FriendCircleCommentParam;
use App\Http\Params\FriendCircleLikeRecordParam;
use App\Models\FriendCircle;
use App\Models\FriendCircleComment;
use App\Models\FriendCircleLikeRecord;

class FriendCircleService
{
    /**
     * 圈子动态列表.
     *
     * @return \Illuminate\Contracts\Pagination\LengthAwarePaginator
     *
     * @author JYF 2021/2/19 15:48
     */
    public function circleLists(int $uid)
    {
        // 当前用户加的好友id
        $userFriendList = UserFriendService::getFriendAllByUid($uid);
        $userFriendId   = array_column($userFriendList, 'friend_user_id');
        array_push($userFriendId, $uid); // 自己发布的也可以看
        // 当前用户被加的好友权限信息
        $friendUserList  = UserFriendService::getFriendAllByFriendUserId($uid);
        $wh_group_id_arr = array_column($friendUserList, 'wh_group_id', 'user_id');

        $lists = FriendCircle::query()
            ->with(['users' => function ($query) {
                $query->select('id', 'nick_name_id', 'avatar');
            }])
            ->where('status', FriendCircleConst::STATUS_PUB)
            ->whereIn('user_id', $userFriendId)// 好友发布的动态
            ->orderByDesc('id')
            ->paginate(request('perPage', 10));

        $nick_name_id_arr = [];
        foreach ($lists->toArray()['data'] as $k => $item) {
            if (isset($item['users']['id'])) {
                $nick_name_id_arr[] = $item['users']['id'];
            }
        }

        // 处理用户昵称
        /** @var $userService \App\Services\UserService */
        $userService    = resolve('\App\Services\UserService');
        $list_nick_name = $userService->selectUserNickNameById($nick_name_id_arr);

        foreach ($lists as $k => &$val) {
            $val['users']['nick_name'] = $list_nick_name[$val['users']['nick_name_id'] ?? 0] ?? '';
            $val['img_url_list']       = explode(',', $val['img_url']);

            // 判断查看权限
            $user_id       = $val['user_id'];
            $wh_group_id   = $wh_group_id_arr[$user_id] ?? 0;
            $look_type_arr = explode(',', $val['look_type']);
            $is_look       = false; // 是否有权限查看,自己发布的有权限查看
            if (in_array($wh_group_id, $look_type_arr) || $user_id == $uid) {
                $is_look = true;
            }
            $val['is_look'] = $is_look;
        }

        return $lists;
    }

    /**
     * 圈子动态发布.
     *
     * @author JYF 2021/2/19 16:49
     */
    public function circlePub(FriendCircleParam $circleParam)
    {
        $data = [
            'user_id'   => $circleParam->user_id,
            'content'   => $circleParam->content,
            'img_url'   => $circleParam->img_url ? implode(',', $circleParam->img_url) : '',
            'look_type' => $circleParam->look_type ? implode(',', $circleParam->look_type) : 0,
            'status'    => FriendCircleConst::STATUS_PUB, // 预留状态
        ];

        return FriendCircle::create($data);
    }

    /**
     * 圈子动态点赞操作.
     *
     * @return bool
     *
     * @throws FriendCircleException
     *
     * @author JYF 2021/2/19 17:38
     */
    public function circleLike(FriendCircleLikeRecordParam $recordParam)
    {
        // TODO 点赞有并发,在用redis处理

        if (empty($recordParam->circle_id)) {
            throw new FriendCircleException('参数错误~');
        }

        // 动态是否存在
        $circleInfo = $this->getCircleInfo($recordParam->circle_id);
        if (empty($circleInfo)) {
            throw new FriendCircleException('动态不存在~');
        }
        // 有无权限给此动态点赞，加了好友才可以点赞
        $isUserFriend = $this->isUserFriend($recordParam->input_uid, $recordParam->circle_id);
        if (false === $isUserFriend) {
            throw new FriendCircleException('不是好友不能点赞哦~');
        }
        // 是否已经点赞
        $isLikeCircle = $this->isLikeCircle($recordParam->input_uid, $recordParam->circle_id);
        if (!empty($isLikeCircle)) {
            throw new FriendCircleException('您已经点过赞了哦~');
        }
        // 记录点赞
        $data = [
            'circle_id' => $recordParam->circle_id,
            'input_uid' => $recordParam->input_uid,
        ];
        FriendCircleLikeRecord::create($data);
        // 总点赞量+1
        FriendCircle::query()->where('id', $recordParam->circle_id)->increment('like_num', 1);

        return true;
    }

    /**
     * 点赞记录.
     *
     * @return \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Eloquent\Model|object|null
     *
     * @author JYF 2021/2/19 17:33
     */
    public function isLikeCircle(int $uid, int $circle_id)
    {
        $where   = [];
        $where[] = ['circle_id', '=', $circle_id];
        $where[] = ['input_uid', '=', $uid];

        return FriendCircleLikeRecord::query()->where($where)->first();
    }

    /**
     * @return \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Eloquent\Model|object|null
     *
     * @author JYF 2021/2/19 17:33
     */
    public function getCircleInfo(int $circle_id)
    {
        $where   = [];
        $where[] = ['id', '=', $circle_id];

        return FriendCircle::query()->where($where)->first();
    }

    /**
     * 简单验证下是否是好友关系.
     *
     * @return bool
     *
     * @author JYF 2021/2/19 17:24
     */
    public function isUserFriend(int $uid, int $circle_id)
    {
        $circleInfo = $this->getCircleInfo($circle_id);
        if (empty($circleInfo)) {
            return false;
        }
        $circle_uid = $circleInfo->user_id;
        // 获取是否是好友关系
        $userFriendInfo = UserFriendService::getFriendRelation($uid, $circle_uid);
        if (empty($userFriendInfo)) {
            return false;
        }

        return true;
    }

    /**
     * 发布评论.
     *
     * @throws FriendCircleException
     *
     * @author JYF 2021/2/19 17:53
     */
    public function circlePubComment(FriendCircleCommentParam $circleCommentParam)
    {
        if (empty($circleCommentParam->circle_id)) {
            throw new FriendCircleException('参数错误~');
        }

        if (empty($circleCommentParam->content)) {
            throw new FriendCircleException('请输入内容~');
        }
        $circleInfo = $this->getCircleInfo($circleCommentParam->circle_id);
        if (empty($circleInfo)) {
            throw new FriendCircleException('此动态不存在~');
        }

        $isUserFriend = $this->isUserFriend($circleCommentParam->input_uid, $circleCommentParam->circle_id);
        if (false === $isUserFriend) {
            throw new FriendCircleException('不是好友不能评论哦~');
        }

        // 记录评论
        $data = [
            'circle_id' => $circleCommentParam->circle_id,
            'input_uid' => $circleCommentParam->input_uid,
            'content'   => $circleCommentParam->content,
        ];

        return FriendCircleComment::create($data);
    }

    /**
     * @return int
     *
     * @throws FriendCircleException
     *
     * @author JYF 2021/2/19 18:07
     */
    public function delCircle(FriendCircleParam $circleParam)
    {
        if (empty($circleParam->id)) {
            throw new FriendCircleException('参数错误~');
        }

        return FriendCircle::destroy($circleParam->id);
    }

    /**
     * @return int
     *
     * @throws FriendCircleException
     *
     * @author JYF 2021/2/19 18:08
     */
    public function delCircleComment(FriendCircleCommentParam $circleCommentParam)
    {
        if (empty($circleCommentParam->id)) {
            throw new FriendCircleException('参数错误~');
        }

        return FriendCircleComment::destroy($circleCommentParam->id);
    }

    /**
     * @return \Illuminate\Contracts\Pagination\LengthAwarePaginator
     *
     * @author JYF 2021/2/19 18:27
     */
    public function circleCommentList(int $circle_id)
    {
        $lists = FriendCircleComment::query()
            ->with(['users' => function ($query) {
                $query->select('id', 'nick_name_id', 'avatar');
            }])
            ->where('circle_id', $circle_id)
            ->orderByDesc('id')
            ->paginate(request('perPage', 10));

        $nick_name_id_arr = [];
        foreach ($lists->toArray()['data'] as $k => $item) {
            if (isset($item['users']['id'])) {
                $nick_name_id_arr[] = $item['users']['id'];
            }
        }

        // 处理用户昵称
        /** @var $userService \App\Services\UserService */
        $userService    = resolve('\App\Services\UserService');
        $list_nick_name = $userService->selectUserNickNameById($nick_name_id_arr);

        foreach ($lists as $k => &$val) {
            $val['users']['nick_name'] = $list_nick_name[$val['users']['nick_name_id'] ?? 0] ?? '';
        }

        return $lists;
    }
}