<?php
namespace app\controller;

use think\facade\Db;

class Help
{
    //为用户助力
    public function me()
    {
        $userid = $GLOBALS['data']['userid'];
        if(empty($userid)){
            return show("请登录后再助力！",NEED_LOGIN);
        }
        if(empty($GLOBALS['data']['data']['student_id'])){
            return show("请输入要助力的用户id！");
        }
        $student_id = $GLOBALS['data']['data']['student_id'];

        $info = Db::name("student")->where("id",$student_id)->field("id")->find();
        if(empty($info)){
            return show("找不到该学生信息！");
        }

        $data = [
            "userid"=>$userid,
            "student_id"=>$student_id,
            "createtime"=>date("Y-m-d",time())
        ];
        $data['sha'] = sha1(json_encode($data));

        Db::startTrans();
        try {
            $info = Db::name("app_help_log")->where("sha", $data['sha'])->find();
            if (!empty($info)) {
                return show("你今天已经为他助力过，谢谢！");
            } else {
                Db::name("app_help_log")->insert($data);
            }

            $appHelp = Db::name("app_help")->where(["userid" => $userid, "student_id" => $student_id])->find();
            if (empty($appHelp)) {
                Db::name("app_help")->insert([
                    "userid" => $userid,
                    "student_id" => $student_id,
                    "count" => 1
                ]);
            } else {
                Db::name("app_help")->where(["id" => $appHelp['id']])->inc("count", 1)->update();
            }
            Db::commit();
            return show("助力成功！", SUCCESS_CODE, []);
        }catch (\Exception $e) {
            Db::rollback();
            return show("助力失败！");
        }
    }

    public function lists(){
        if(empty($GLOBALS['data']['data']['student_id'])){
            return show("请输入要助力的用户id！");
        }
        $student_id = $GLOBALS['data']['data']['student_id'];


        $lastIndex = lastindex();

        $result = [];


        $result['userinfo'] = [];
        if($lastIndex==0) {
            $userinfo = Db::name("student")->where("id", $student_id)->field("id,nickname,identifier,avatar,age,type,disabled as is_disabled,city,school,hot,hot_count")->find();
            if (!empty($userinfo)) {
                $result['userinfo'] = $userinfo;
            }
        }

        if($lastIndex == 0) {
            $lastIndex = 1;
        }

        $list = Db::name("appHelp")->where("student_id",$student_id)->limit(env("page_count"))->order('count desc')->paginate([
            "list_rows"=>env("PAGE_COUNT"),
            "page"=>$lastIndex
        ]);

        if(empty($list)) return show("获取成功", SUCCESS_CODE,$result);
        if($list->currentPage() < $list->lastPage()){
            $result['lastIndex'] = $lastIndex +1;
        }else{
            $result['lastIndex'] = 0;
        }

        $users = getAllUsersMessage($list,'userid','id,nickname,avatar');

        foreach($list as $vo){
            $result['list'][] = [
                "id"=>$vo['id'],
                "userid"=>$vo['userid'],
                "username"=>empty($users[$vo['userid']]['nickname'])?'':$users[$vo['userid']]['nickname'],
                "count"=>$vo['count']
            ];
        }

        return show("获取成功！", SUCCESS_CODE, $result);

    }


}