<?php
// +----------------------------------------------------------------------
// | Niucloud-admin 企业快速开发的多应用管理平台
// +----------------------------------------------------------------------
// | 官方网址：https://www.niucloud.com
// +----------------------------------------------------------------------
// | niucloud团队 版权所有 开源版本可自由商用
// +----------------------------------------------------------------------
// | Author: Niucloud Team
// +----------------------------------------------------------------------

namespace app\service\api\apiService;

use app\model\dict\Dict;
use core\base\BaseApiService;

/**
 * 公共服务层
 * Class MemberService
 * @package app\service\api\member
 */
class CommonService extends BaseApiService
{
    public function __construct()
    {
        parent::__construct();
    }

    //获取字典
    public function getDictionary(array $where,string $field = '*'){
        $model = (new Dict());
        if(!empty($where['key'])){
            $model = $model->where('key',$where['key']);
        }
        $res = $model->field($field)->find();//员工信息

        if($res){
            $res = $res->toArray();
        }else{
            $res = [];
        }
        return $res;

    }

    /**
     * 对比新旧数据改变
     * @param array $old_data 旧数据
     * @param array $new_data 新数据
     * @param array $ignoreFields 忽略验证的字段|默认[]
     * @return array
     */
    public function compareData(array $old_data, array $new_data, array $ignoreFields = ['updated_at'])
    {
        $changedFields = [];//改了那些字段
        $oldChanges = [];//数据修改前的样子
        $newChanges = [];//数据修改后的样子

        foreach ($new_data as $key => $value) {
            // 如果字段在忽略列表中，则跳过
            if (in_array($key, $ignoreFields)) {
                continue;
            }

            if (!isset($old_data[$key]) || $old_data[$key] != $value) {
                $changedFields[] = $key;
                $oldChanges[$key] = $old_data[$key] ?? null;
                $newChanges[$key] = $value;
            }
        }

        return [
            'changed_fields' => $changedFields,
            'old_values' => $oldChanges,
            'new_values' => $newChanges,

            'changed_fields_json' => json_encode($changedFields, JSON_UNESCAPED_UNICODE),
            'old_values_json' => json_encode($oldChanges, JSON_UNESCAPED_UNICODE),
            'new_values_json' => json_encode($newChanges, JSON_UNESCAPED_UNICODE)
        ];
    }

}