<?php

namespace App\Libraries\Mangboard;

use App\Models\Mangboard\UserModel;
use App\Entities\Mangboard\UserEntity;
use App\Libraries\CommonLibrary;

class UserLibrary extends CommonLibrary
{
    private $_model = null;
    public function __construct()
    {
        parent::__construct();
    }

    public function getModel(): UserModel
    {
        if ($this->_model === null) {
            return $this->_model = new UserModel();
        }
        return $this->_model;
    }

    private function checkLevel(UserEntity $entity): UserEntity
    {
        //Admin용 Level로는 변경불가
        if ($entity->getLevel() == getenv('mangboard.admin.level')) {
            // throw new \Exception("Admin용 Level을 변경하실수 없습니다.\n");
            return $entity;
        }

        //사용자 Point별 Level 계산
        $level = intval($entity->getPoint() / getenv('mangboard.point.unit') * getenv('mangboard.point.unit') / getenv('mangboard.point.unit'));

        //운영자면 7~9
        if (getenv('mangboard.manager.level.min') <= $level && $level <= getenv('mangboard.manager.level.max')) {
            $level = $level < getenv('mangboard.manager.level.min') ? getenv('mangboard.manager.level.min') : $level;
            $level = getenv('mangboard.manager.level.max') < $level ? getenv('mangboard.manager.level.max') : $level;
        }
        // echo "point:" . $entity->getPoint() . ",level:" . $level . "\n";

        //사용자 Level 1~5;
        if (getenv('mangboard.user.level.min') <= $level && $level <= getenv('mangboard.user.level.max')) {
            $level = $level < getenv('mangboard.user.level.min') ? getenv('mangboard.user.level.min') : $level;
            $level = getenv('mangboard.user.level.max') < $level ? getenv('mangboard.user.level.max') : $level;
        }
        // echo "point:" . $entity->getPoint() . ",level:" . $level . "\n";

        //기존정보와 Level값이 다르면 저장
        if ($entity->getLevel() != $level) {
            $old_level = $entity->getLevel();
            $entity->setLevel($level);
            $entity = $this->getModel()->modify($entity);
            log_message("notice", __FUNCTION__ . "=>{$entity}의 Level이 {$old_level}에서 {$entity->getLevel()}로 변경되었습니다.");
        }
        return $entity;
    }

    public function setPoint($id, int $point, $sign = '+'): UserEntity
    {
        $entity = is_numeric($id) ? $this->getModel()->getEntityByPK(intval($id)) : $this->getModel()->getEntityByID($id);
        if (!$entity) {
            throw new \Exception("해당 회원[{$id}]이 없습니다.");
        }

        switch ($sign) {
            case '-':
                if ($point < $point) {
                    throw new \Exception("기존포인트:{$point}가 감소 포인트:-{$point} 작습니다.\n");
                }
                $point = $point - $point;
                break;
            case '+':
                $point = $point + $point;
                break;
            default:
                throw new \Exception(__FUNCTION__ . "에서는 {$sign}은 사용할수 없습니다.\n");
                // break;
        }

        //기존정보와 Point값이 다르면 저장
        if ($entity->getPoint() != $point) {
            $old_point = $entity->getPoint();
            $entity->setPoint($point);
            $entity = $this->getModel()->modify($entity);
            log_message("notice", __FUNCTION__ . "=>{$entity}의 Point가 {$old_point}에서 {$entity->getPoint()}로 변경되었습니다.");
        }
        return $this->checkLevel($entity);
    }
    public function setLevel(): void
    {
        foreach ($this->getModel()->getEntitys() as $entity) {
            $entity = $this->checkLevel($entity);
            log_message("debug", __FUNCTION__ . "=>[{$entity}] 회원님의 Level은 {$entity->getLevel()} 입니다.");
        }
    }
}