<?php


namespace app\common\service;

use app\common\model\SystemConfig;
use utils\RedisCache;

/**
 * 系统配置服务 by wes
 * Class SystemConfigService
 * @package app\common\service
 */
class SystemConfigService
{
    protected static $instance = null;
    protected $model = null;

    public function __construct()
    {
        $this->model = new SystemConfig();
    }

    /**
     * 静态化入口
     * @return static|null
     */
    public static function make()
    {
        if(!self::$instance){
            self::$instance = new static();
        }

        return self::$instance;
    }

    /**
     * 按分组获取配置信息
     * @param $groupKey 分组
     * @return array|mixed
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function getConfigByGroup($groupKey)
    {
        $cacheKey = "caches:sysconfig:group:{$groupKey}";
        $data = RedisCache::get($cacheKey);
        if($data){
            return $data;
        }
        $where = ['group'=> $groupKey];
        $data = $this->model->where($where)->column('id,name,group,value,remark','name');
        if($data){
            RedisCache::set($cacheKey, $data, 7200);
        }

        return $data;
    }

    /**
     * 按配置名获取配置信息或者值
     * @param $name 配置名
     * @param int $type 返回类型：1-返回值，2-返回列信息
     * @param string $groupKey 分组
     * @return SystemConfig|array|mixed|\think\Model|null
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function getConfigByName($name, $type=1, $groupKey='')
    {
        $cacheKey = "caches:sysconfig:info:{$name}_{$type}{$groupKey}";
        $data = RedisCache::get($cacheKey);
        if(!RedisCache::exists($cacheKey)) {

            $where = ['name' => $name];
            if ($groupKey) {
                $where['group'] = $groupKey;
            }
            if ($type == 1) {
                $data = $this->model->where($where)->value('value');
            } else {
                $data = $this->model->where($where)->field('id,name,group,value,remark')->find();
                $data = $data? $data->toArray() : [];
            }

            if ($data) {
                RedisCache::set($cacheKey, $data, 3 * 24 * 3600);
            }
        }

        return $data;
    }

    /**
     * 按配置名获取配置信息或者值
     * @param array $names 配置名多个数组
     * @param int $type 返回类型：1-返回值，2-返回列信息
     * @param string $groupKey 分组
     * @return SystemConfig|array|mixed|\think\Model|null
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function getConfigByNames(array $names, $type=1, $groupKey='')
    {
        $cacheKey = "caches:sysconfig:info:{$type}_{$groupKey}_".md5(json_encode($names));
        $data = RedisCache::get($cacheKey);
        if($data){
            return $data;
        }
        $where = [];
        if($groupKey){
            $where['group'] = $groupKey;
        }
        if($type == 1){
            $data = $this->model->whereIn('name',$names)->where($where)->column('value','name');
        }else{
            $data = $this->model->whereIn('name',$names)->where($where)->column('id,name,group,value,remark','name');
        }

        if($data){
            RedisCache::set($cacheKey, $data, 3*24*3600);
        }

        return $data;
    }
}