<?php

namespace app\common\service;

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

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

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

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

        return self::$instance;
    }

    /**
     * 按渠道获取支付配置参数
     * @param $channel 渠道
     * @param string $field
     * @param bool $cache
     * @return array|mixed
     */
    public function getInfoByChannel($channel, $field='', $cache=true)
    {
        $cacheKey = "caches:temp:payConfig:channel_{$channel}".($field? '_'.md5($field):'');
        $data = RedisCache::get($cacheKey);
        if($data && $cache){
            return $data;
        }

        $field = $field? $field : 'app_id,private_key,public_key,app_cert_path,pay_root_cert,pay_cert_path,mchid';
        $data = $this->model->where(['channel'=> $channel,'status'=>1])->field($field)->findOrEmpty();
        $data = $data? $data->toArray() : [];
        if($data && $cache){
            RedisCache::set($cacheKey, $data, 7200);
        }

        return $data;
    }
}