<?php

namespace app\api\model\plus\agent;

use app\common\model\plus\agent\Relation as RelationModel;
use app\common\model\user\User as UserModel;
use app\common\model\plus\agent\Referee as RefereeModel;

/**
 * 分销商推荐关系模型（所有层级）
 */
class Relation extends RelationModel
{
    /**
     * 隐藏字段
     */
    protected $hidden = [];

    /**
     * 创建推荐关系
     */
    public static function updateRelation($user_id, $referee_id, $level = 1, $later = array())
    {
        // 自分享
        if ($user_id == $referee_id) {
            return false;
        }
        if (!empty($later)) {
            if (self::inArray($referee_id, $later)) {
                return UserModel::detail($referee_id);
            }
        } else {
            $later[] = $user_id;
        }
        $later[] = $referee_id;
        $level = max($level, 1);
        $model = new self;
        if ( $level == 1 ) {
            $model->add($referee_id, $user_id, 1);
        }
        $parent_id = RefereeModel::getRefereeUserId($referee_id, 1);
        if (empty($parent_id )) {
            return false;
        } else {
            if ($user_id == $parent_id) {
                return  UserModel::detail($user_id);
            }
            $model->add($parent_id, $user_id, ++$level);
            return self::updateRelation($user_id, $parent_id, $level, $later);
        }
        return true;
    }

    /**
     * 新增关系记录
     */
    private function add($agent_id, $user_id, $level = 1)
    {
        // 新增推荐关系
        $app_id = self::$app_id;
        $create_time = time();
        $this->insert(compact('agent_id', 'user_id', 'level', 'app_id', 'create_time'));
        return true;
    }

    private static function inArray($item, $array)
    {
        $flipArray = array_flip($array);
		return isset($flipArray[$item]);
    }
}