<?php

namespace refill\wangxin;

require_once(BASE_HELPER_RAPI_PATH . '/wangxin/config.php');

use refill;
use Log;

class RefillPhone extends refill\IRefillPhone
{
    public function __construct($cfgs)
    {
        parent::__construct($cfgs);
    }

    private function header_params($params)
    {
        $timestamp = $this->getMillisecond();
        $header['app_id'] = config::APP_ID;
        $header['req_no'] = 'YZ' . $timestamp;
        $header['timestamp'] = $timestamp;
        $header['sign_nonce'] = $this->createNoncestr();
        $header['sign'] = $this->sign($params, $header);

        return ['header' => $header, 'body' => $params];
    }

    private function req_params(int $phone, int $amount, $card_type, string $order_sn)
    {
        $params['product_id'] = config::operator[$card_type] . $amount;
        $params['phone'] = $phone;
        $params['type'] = 1;
        $params['kh_order_id'] = $order_sn;
        $params['ext_content'] = '';

        return $params;
    }

    public function add($card_no, $card_type, $amount, $params, &$net_errno = 0)
    {
        $params = $this->req_params($card_no, $amount, $card_type, $params['order_sn']);
        $params = $this->header_params($params);
        $params = json_encode($params);
        $resp = http_post_data(config::ORDER_URL, $params, config::ExtHeaders, $net_errno);

        if (empty($resp)) {
            return [false, '系统错误', true];
        }
        else
        {
            Log::record($resp, Log::DEBUG);
            $resp = json_decode($resp, true);
            if (empty($resp)) {
                return [false, '系统错误', true];
            } elseif ($resp['body']['code'] === '200') {
                return [true, $resp['body']['order_id'], false];
            } elseif ($resp['body']['code'] === '9999') {
                $net_errno = "HTTP-9999";
                return [false, $resp['body']['msg'], true];
            } else {
                return [false, $resp['body']['msg'], false];
            }
        }
    }

    public function query($refill_info)
    {
        $params['kh_order_id'] = $refill_info['order_sn'];
        $params = $this->header_params($params);

        $params = json_encode($params);
        $resp = http_post_data(config::QUERY_URL, $params, config::ExtHeaders);

        if (empty($resp)) {
            return [false, '网络错误', ''];
        }
        else
        {
            Log::record($resp, Log::DEBUG);
            $resp = json_decode($resp, true);
            $resp = $resp[0];

            if (empty($resp)) {
                return [false, '网络错误', ''];
            }
            elseif ($resp['body']['code'] === '200')
            {
                $official_sn = '';
                $status = $resp['body']['status'];

                if ($status === '3') {
                    $official_sn = $resp['body']['ext_content'];
                    $updata['official_sn'] = $official_sn;
                    Model('refill_order')->edit($refill_info['order_id'], $updata);
                    $order_state = ORDER_STATE_SUCCESS;
                } elseif ($status === '2') {
                    $order_state = ORDER_STATE_CANCEL;
                } elseif ($status === '1') {
                    $order_state = ORDER_STATE_SEND;
                } else {
                    return [false, $status, $official_sn];
                }

                return [true, $order_state, $official_sn];
            }
            elseif ($resp['body']['code'] === '220005' && (time() - $refill_info['commit_time'] > 1800)) {
                return [true, ORDER_STATE_NOEXIST];
            }
            else {
                return [false, $resp['body']['msg'], ''];
            }
        }
    }

    public function balance()
    {
        $params['type'] = 1;
        $params = $this->header_params($params);

        $params = json_encode($params);
        $resp = http_post_data(config::BALANCE_URL, $params, config::ExtHeaders);

        if (empty($resp)) {
            return [false, '系统错误'];
        }
        else
        {
            Log::record($resp, Log::DEBUG);
            $resp = json_decode($resp, true);
            if (empty($resp)) {
                return [false, '系统错误'];
            } elseif ($resp['body']['code'] === '200') {
                return [true, $resp['body']['balance']];
            } else {
                return [false, $resp['body']['msg']];
            }
        }
    }

    private function sign($params, $header)
    {
        $params = array_merge($params, $header);
        $content = '';
        ksort($params);
        foreach ($params as $key => $val) {
            if (false === $this->check_empty($val)) {
                $content .= "{$key}={$val}&";
            }
        }
        $content = rtrim($content, '&');
        $res = openssl_pkey_get_private(config::PRIVATE_KEY);
        openssl_sign($content, $sign, $res, OPENSSL_ALGO_SHA1);
        return base64_encode($sign);
    }

    /**
     * 获取毫秒级别的时间戳
     */
    private function getMillisecond()
    {
        $cur = microtime(true);
        $cur = intval($cur * 1000);
        return $cur;
    }

    private function createNoncestr($length = 32)
    {
        $chars = "abcdefghijklmnopqrstuvwxyz0123456789";
        $str = "";
        for ($i = 0; $i < $length; $i++) {
            $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
        }
        return $str;
    }
}