<?php

namespace app\api\model\app\agent;

use think\Model;
use think\Db;

/**
 * 分销等级
 */
class Level extends Model
{

    /**
     * 获取用户当前等级
     * @param $userId
     * @return void
     */
    public function getUserLevel($userId){
        $levelList = \app\common\model\app\agent\Level::getLevelList();

        if(empty($levelList)){
            return false;
        }

        $memberModel = new \app\common\model\app\agent\Member();

        $member = $memberModel->getMember($userId);

        if(!$member || $member['status'] != 1){
            return false;
        }

        foreach ($levelList as $item){

            if( isset($item['id']) && $member['level'] == $item['id']){
                return $item;
            }
        }

        return $levelList[0];
    }

    /**
     * 获取用户的下一等级
     * @param $userId
     * @return void
     */
    public function getUserNextLevel($userId){
        $levelList = \app\common\model\app\agent\Level::getLevelList();

        $memberModel = new \app\common\model\app\agent\Member();
        $member = $memberModel->getMember($userId);

        if(!$member){
            return false;
        }

        $levelIndex = 0;
        //当前的等级下标
        $nowLevelIndex = 0;

        foreach ($levelList as $item){
            $data[] = $item;
            if( isset($item['id']) && $member['level'] == $item['id']){
                $nowLevelIndex = $levelIndex;
            }
            $levelIndex++;
        }

        if(isset($data[$nowLevelIndex+1])){
            return $data[$nowLevelIndex+1];
        }

        return false;
    }


    /**
     * 检查升级
     * @param $userId
     * @return void
     */
    public function handle($userId){

        $nextLevelId = $this->checkLevelCondtion($userId);

        if($nextLevelId !== false){
            $this->upLevel($userId,$nextLevelId);
        }

        return true;
    }

    /**
     * 检查是否满足升级条件
     * @param $userId 用户ID
     * @return false 满足则返回升级等级ID 否则false
     */
    public function checkLevelCondtion($userId)
    {
        $config = \app\common\model\app\Config::getConfig('agent');
        $upLevel = $this->getUserNextLevel($userId);

        if(!$upLevel){
            return false;
        }
        //判断是否满足条件
        $satisfy = false;
        foreach ($upLevel['condition'] as $type => $item){
            if($item['status'] == 1){

                //判断自定条件
                $temp = \app\api\model\app\agent\Condition::checkCondition($userId,$type,$item['value']);

                if($config['upgrade'] == 2){
                    //满足一个即可
                    if($temp){
                        $satisfy = true;
                        break;
                    }
                }else{
                    //需要全部满足
                    if(!$temp){
                        $satisfy = false;
                        break;
                    }else{
                        $satisfy = true;
                    }
                }
            }
        }

        if($satisfy){
            return $upLevel['id'];
        }
        return false;
    }

    /**
     * 升级
     * @param $userId 用户ID
     * @param $toLevelId 要升级的等级ID
     * @return void
     */
    public function upLevel($userId,$toLevelId){

        $memberModel = new \app\common\model\app\agent\Member();

        return $memberModel->where([
            'user_id'=>$userId
        ])->update([
            'level'=>$toLevelId
        ]);
    }
}