<?php

namespace app\traits\account;

use app\model\AccountLevel;
use think\Collection;
use think\db\exception\DataNotFoundException;
use think\db\exception\DbException;
use think\db\exception\ModelNotFoundException;

trait AccountLevelTrait
{
    /**
     * 获取用户当前等级
     * @param $coinTotal int 最大孔雀币数量
     * @return array
     */
    public function getUserLevel($coinTotal)
    {
        $level = AccountLevel::where("value", "<=", $coinTotal)
            ->field("name,rights,content,value")
            ->withAttr("rights", function ($value) {
                if (empty($value)) return [];
                return explode(",", $value);
            })->order(["value" => "desc", "id" => "desc"])->findOrEmpty()->toArray();
        if (empty($level)) {
            return ["name" => "普通会员", "rights" => [], "content" => "", "value" => 0];
        }
        return $level;
    }

    //获取下一个等级
    public function getUserNextLevel($levelValue)
    {
        return AccountLevel::where("value", ">", $levelValue)->field("name,rights,content,value")->order(["value" => "asc", "id" => "desc"])->findOrEmpty()->toArray();
    }

    /**
     * 获取用户当前等级
     * @param $coinTotal int 最大孔雀币数量
     * @param $levelList AccountLevel[]|array|Collection 会员等级列表 getLevelList返回结果
     * @return array|mixed
     */
    public function getCurrentLevel(int $coinTotal, $levelList)
    {
        $res = ["name" => "普通会员", "rights" => [], "content" => "", "value" => 0];
        if ($coinTotal == 0 | !$levelList || empty($levelList) || $levelList->isEmpty()) {
            return  $res;
        }
        $info = $levelList->where('value', "<=", $coinTotal)->shift();
        if (!$info) {
            return $res;
        }

        return $info;
    }

    /**
     * 获取会员等级列表
     *
     * @return AccountLevel[]|array|Collection
     * @throws DataNotFoundException
     * @throws DbException
     * @throws ModelNotFoundException
     */
    public function getLevelList()
    {
        return AccountLevel::field("name,rights,content,value")
            ->withAttr("rights", function ($value) {
                if (empty($value)) return [];
                return explode(",", $value);
            })->order(["value" => "desc", "id" => "desc"])->select();
    }

}