<?php

namespace addons\WechatVideoShop\common\expand\sdk\weixin;

abstract class AbstractModel
{
    protected $error_message_map = [];
    private $common_error_message_map = [
        -1          => '系统异常',
        9401020     => '参数有误'
    ];

    protected $data = [];

    public function __set($name, $value)
    {
        $this->data[$name] = $value;
    }

    public function __get($name)
    {
        return $this->data[$name] ?? null;
    }

    public function __isset($name)
    {
        return !empty($this->data[$name]);
    }

    /**
     * @return array
     */
    public function toArray()
    {
        $data = [];
        foreach ($this->data as $key => $value) {
            if ($value instanceof AbstractModel) {
                $data[$key] = $value->toArray();
            } else {
                if (is_array($value)) {
                    foreach ($value as $k => $v) {
                        if ($v instanceof AbstractModel) {
                            if (!empty($v->toArray())) $data[$key][$k] = $v->toArray();
                        } else {
                            if (is_array($v)) {
                                if (!empty($v)) $data[$key][$k] = $v;
                            } elseif ($v !== '') $data[$key][$k] = $v;
                        }
                    }
                } else {
                    if (is_array($value)) {
                        if (!empty($value)) $data[$key] = $value;
                    } elseif ($value !== '') $data[$key] = $value;
                }
            }
        }
        return $data;
    }

    /**
     * @param int $code
     * @return string|null
     */
    public function getError(int $code)
    {
        $error_map = array_merge($this->error_message_map, $this->common_error_message_map);
        return $error_map[$code] ?? null;
    }

    /**
     * @param array $data
     * @return string
     */
    public function valid(array $data): string
    {
        if (!isset($data['errcode'])) return '未知错误';
        if ($data['errcode'] != 0) {
            $err =  $this->getError($data['errcode']);
            if ($err === null) return $data['errmsg'];
            return $err;
        }
        return '';
    }
}