<?php
/**
 * Created by PhpStorm.
 * User: zn
 * Date: 2017/6/23
 * Time: 16:09
 */

namespace common\models;


use common\services\GameConfigServices;

/**
 * 交易内容
 * Class DealData
 * @package common\models
 */
class DealData
{
    public $gold = 0;

    /**
     * @var DealDataItem[]
     */
    public $item_list = [];

    /**
     * @param $itemID
     * @param $num
     * @return DealDataItem
     */
    public function addItem($itemID, $num)
    {
        $item = new DealDataItem();
        $item->item_id = $itemID;
        $item->num = $num;

        $itemConfig = GameConfigServices::getParamByPath('item_list.' . $itemID);
        $item->name = $itemConfig['name'];

        array_push($this->item_list, $item);

        return $item;
    }

    public function toReadString()
    {
        if ($this->gold > 0) {
            return '金币:' . $this->gold;
        } else {
            $str = '';
            foreach ($this->item_list as $item) {
                $str .= sprintf('%sX%s;', $item->name, $item->num);
            }

            return $str;
        }
    }

    /**
     * @param $json
     * @return DealData
     */
    public static function loadJson($json)
    {
        $jsonObj = json_decode($json );
        $data = new DealData();
        $data->gold = $jsonObj->gold;
        $data->item_list = $jsonObj->item_list;
        return $data;
    }
}