<?php

namespace services;

class BlockChainService {

    public static function gameItemMallBuy($account, $price)
    {
        $params = array(
            'c' => 'GameItemMall',
            'a' => 'buy',
            'account' => $account,
            'price' => $price,
        );
        {
            $url = self::getWeb3ServiceUrl();
            $response = '';
            if (!phpcommon\HttpClient::get
                ($url,
                 $params,
                 $response)) {
                myself()->_rspErr(500,  'server internal error');
                die();
                return;
            }
            error_log($response);
            $rspObj = json_decode($response, true);
            if ($rspObj['errcode'] == 0) {
                $transId = $rspObj['trans_id'];
                Transaction::add(
                    $transId,
                    Transaction::MINT_721_ACTION_TYPE,
                    $tokenId,
                    $tokenType,
                    $itemUniId,
                    $itemId,
                    1
                );
                myself()->_rspData(array(
                    'trans_id' => $transId,
                    'params' => $rspObj['params']
                ));
            } else {
                myself()->_rspErr(500,  'server internal error');
                die();
                return;
            }
        }
    }

    private static function getWeb3ServiceUrl()
    {
        if (SERVER_ENV == _TEST) {
            return 'http://127.0.0.1:7672/webapp/index.php';
        }
        $web3ServiceCluster = require_once('../config/web3service.cluster.php');
        return $web3ServiceCluster[rand() % count($web3ServiceCluster)];
    }

}