<?php

class wxpayng_plugin
{
	static public $info = [
		'name'        => 'wxpayng', //支付插件英文名称，需和目录名称一致，不能有重复
		'showname'    => '微信支付国际版V3', //支付插件显示名称
		'author'      => '微信', //支付插件作者
		'link'        => 'https://pay.weixin.qq.com/', //支付插件作者链接
		'types'       => ['wxpay'], //支付插件支持的支付方式，可选的有alipay,qqpay,wxpay,bank
		'inputs' => [ //支付插件要求传入的参数以及参数显示名称，可选的有appid,appkey,appsecret,appurl,appmchid
			'appid' => [
				'name' => '公众号或小程序APPID',
				'type' => 'input',
				'note' => '',
			],
			'appmchid' => [
				'name' => '商户号',
				'type' => 'input',
				'note' => '',
			],
			'appsecret' => [
				'name' => '商户APIv3密钥',
				'type' => 'input',
				'note' => '',
			],
			'appkey' => [
				'name' => '商户API证书序列号',
				'type' => 'input',
				'note' => '',
			],
			'publickeyid' => [
				'name' => '微信支付公钥ID',
				'type' => 'input',
				'note' => '平台证书模式可留空',
			],
			'appurl' => [
				'name' => '商户行业编码',
				'type' => 'input',
				'note' => '',
			],
		],
		'select' => [ //选择已开启的支付方式
			'1' => 'Native支付',
			'2' => 'JSAPI支付',
			'3' => 'H5支付',
			'5' => 'APP支付',
		],
		'note' => '<p>请将商户API私钥“apiclient_key.pem”、微信支付平台公钥“pub_key.pem”放到 /plugins/wxpayng/cert/ 文件夹内（或 /plugins/wxpayng/cert/商户号/ 文件夹内）。</p><p>上方APPID填写公众号或小程序的皆可，需要在微信支付后台关联对应的公众号或小程序才能使用。无认证的公众号或小程序无法发起支付！</p><p><a href="https://pay.weixin.qq.com/wiki/doc/api_external/ch/terms_definition/chapter1_1_1.shtml#part-7" target="_blank">商户行业编码表</a></p>', //支付密钥填写说明
		'bindwxmp' => true, //是否支持绑定微信公众号
		'bindwxa' => true, //是否支持绑定微信小程序
	];

	static public function submit(){
		global $siteurl, $channel, $order, $ordername, $sitename, $submit2, $conf;

		$urlpre = '/';
        if (!empty($conf['localurl_wxpay']) && !strpos($conf['localurl_wxpay'], $_SERVER['HTTP_HOST'])) {
			$urlpre = $conf['localurl_wxpay'];
        }
		
		if(checkwechat()){
			if(in_array('2',$channel['apptype']) && $channel['appwxmp']>0){
				return ['type'=>'jump','url'=>$urlpre.'pay/jspay/'.TRADE_NO.'/?d=1'];
			}elseif(in_array('2',$channel['apptype']) && $channel['appwxa']>0){
				return ['type'=>'jump','url'=>$urlpre.'pay/wap/'.TRADE_NO.'/'];
			}elseif(in_array('1',$channel['apptype']) && $conf['wework_payopen'] == 1){
				return ['type'=>'jump','url'=>'/pay/qrcode/'.TRADE_NO.'/'];
			}else{
				if(!$submit2){
					return ['type'=>'jump','url'=>'/pay/submit/'.TRADE_NO.'/'];
				}
				return ['type'=>'page','page'=>'wxopen'];
			}
		}elseif(checkmobile()){
			if(in_array('3',$channel['apptype'])){
				return ['type'=>'jump','url'=>$urlpre.'pay/h5/'.TRADE_NO.'/'];
			}elseif(in_array('5',$channel['apptype']) && strpos($_SERVER['HTTP_USER_AGENT'], 'iPhone OS')!==false){
				return ['type'=>'jump','url'=>$urlpre.'pay/apppay/'.TRADE_NO.'/'];
			}elseif(in_array('2',$channel['apptype']) && ($channel['appwxmp']>0 || $channel['appwxa']>0)){
				return ['type'=>'jump','url'=>$urlpre.'pay/wap/'.TRADE_NO.'/'];
			}else{
				return ['type'=>'jump','url'=>'/pay/qrcode/'.TRADE_NO.'/'];
			}
		}else{
			return ['type'=>'jump','url'=>'/pay/qrcode/'.TRADE_NO.'/'];
		}
	}

	static public function mapi(){
		global $siteurl, $channel, $order, $conf, $device, $mdevice, $method;

		$urlpre = $siteurl;
		if (!empty($conf['localurl_wxpay']) && !strpos($conf['localurl_wxpay'], $_SERVER['HTTP_HOST'])) {
			$urlpre = $conf['localurl_wxpay'];
		}

		if($method == 'applet' && in_array('2',$channel['apptype'])){
			return self::applet();
		}elseif($method=='app'){
			return self::apppay();
		}elseif($method=='jsapi'){
			return self::jspay();
		}elseif($method=='scan'){
			return self::scanpay();
		}
		elseif($mdevice=='wechat'){
			if(in_array('2',$channel['apptype']) && $channel['appwxmp']>0){
				return ['type'=>'jump','url'=>$urlpre.'pay/jspay/'.TRADE_NO.'/?d=1'];
			}elseif(in_array('2',$channel['apptype']) && $channel['appwxa']>0){
				return self::wap();
			}else{
				return ['type'=>'jump','url'=>$siteurl.'pay/submit/'.TRADE_NO.'/'];
			}
		}elseif($device=='mobile'){
			if(in_array('5',$channel['apptype']) && $mdevice == 'app'){
				return self::apppay();
			}elseif(in_array('3',$channel['apptype'])){
				return ['type'=>'jump','url'=>$urlpre.'pay/h5/'.TRADE_NO.'/'];
			}elseif(in_array('5',$channel['apptype'])){
				return ['type'=>'jump','url'=>$urlpre.'pay/submit/'.TRADE_NO.'/'];
			}elseif(in_array('2',$channel['apptype']) && ($channel['appwxmp']>0 || $channel['appwxa']>0)){
				return self::wap();
			}else{
				return self::qrcode();
			}
		}else{
			return self::qrcode();
		}
	}

	//扫码支付
	static public function qrcode(){
		global $siteurl, $channel, $order, $ordername, $conf, $clientip;

		if(in_array('1',$channel['apptype'])){

		$param = [
			'description' => $ordername,
			'out_trade_no' => TRADE_NO,
			'notify_url' => $conf['localurl'].'pay/notify/'.TRADE_NO.'/',
			'merchant_category_code' => $channel['appurl'],
			'amount' => [
				'total' => intval(round($order['realmoney']*100)),
				'currency' => 'CNY'
			],
			'scene_info' => [
				'payer_client_ip' => $clientip
			]
		];

		$wechatpay_config = require(PAY_ROOT.'inc/config.php');
		try{
			$client = new \WeChatPay\V3\GlobalPaymentService($wechatpay_config);
			$result = $client->nativePay($param);
			$code_url = $result['code_url'];
		} catch (Exception $e) {
			return ['type'=>'error','msg'=>'微信支付下单失败！'.$e->getMessage()];
		}

		}elseif(in_array('2',$channel['apptype']) && $channel['appwxmp']>0){
			$code_url = $siteurl.'pay/jspay/'.TRADE_NO.'/';
		}elseif(in_array('2',$channel['apptype']) && $channel['appwxa']>0){
			$code_url = $siteurl.'pay/wap/'.TRADE_NO.'/';
		}else{
			return ['type'=>'error','msg'=>'当前支付通道没有开启的支付方式'];
		}
		return ['type'=>'qrcode','page'=>'wxpay_qrcode','url'=>$code_url];
	}

	//JS支付
	static public function jspay(){
		global $siteurl, $channel, $order, $ordername, $conf, $clientip, $method;

		if(!empty($order['sub_openid'])){
			if(!empty($order['sub_appid'])){
				$channel['appid'] = $order['sub_appid'];
			}else{
				$wxinfo = \lib\Channel::getWeixin($channel['appwxmp']);
				if(!$wxinfo) return ['type'=>'error','msg'=>'支付通道绑定的微信公众号不存在'];
				$channel['appid'] = $wxinfo['appid'];	
			}
			$openid = $order['sub_openid'];
		}else{
			$wxinfo = \lib\Channel::getWeixin($channel['appwxmp']);
			if(!$wxinfo) return ['type'=>'error','msg'=>'支付通道绑定的微信公众号不存在'];
			$channel['appid'] = $wxinfo['appid'];

			//①、获取用户openid
			try{
				$tools = new \WeChatPay\JsApiTool($wxinfo['appid'], $wxinfo['appsecret']);
				$openid = $tools->GetOpenid();
			}catch(Exception $e){
				return ['type'=>'error','msg'=>$e->getMessage()];
			}
		}

		$blocks = checkBlockUser($openid, TRADE_NO);
		if($blocks) return $blocks;

		//②、统一下单
		$param = [
			'description' => $ordername,
			'out_trade_no' => TRADE_NO,
			'notify_url' => $conf['localurl'].'pay/notify/'.TRADE_NO.'/',
			'merchant_category_code' => $channel['appurl'],
			'amount' => [
				'total' => intval(round($order['realmoney']*100)),
				'currency' => 'CNY'
			],
			'payer' => [
				'openid' => $openid
			],
			'scene_info' => [
				'payer_client_ip' => $clientip
			]
		];

		$wechatpay_config = require(PAY_ROOT.'inc/config.php');
		try{
			$client = new \WeChatPay\V3\GlobalPaymentService($wechatpay_config);
			$result = $client->jsapiPay($param);
			$jsApiParameters = json_encode($result);
		} catch (Exception $e) {
			return ['type'=>'error','msg'=>'微信支付下单失败！'.$e->getMessage()];
		}
		if($method == 'jsapi'){
			return ['type'=>'jsapi','data'=>$result];
		}

		if($_GET['d']=='1'){
			$redirect_url='data.backurl';
		}else{
			$redirect_url='\'/pay/ok/'.TRADE_NO.'/\'';
		}
		return ['type'=>'page','page'=>'wxpay_jspay','data'=>['jsApiParameters'=>$jsApiParameters, 'redirect_url'=>$redirect_url]];
	}

	//手机支付
	static public function wap(){
		global $siteurl, $channel, $order, $ordername, $conf, $clientip;
		
		if($channel['appwxa']>0 && !isset($_GET['qrcode'])){
			try{
				$wxinfo = \lib\Channel::getWeixin($channel['appwxa']);
				if(!$wxinfo)return ['type'=>'error','msg'=>'支付通道绑定的微信小程序不存在'];
				$code_url = wxminipay_jump_scheme($wxinfo['id'], TRADE_NO);
			}catch(Exception $e){
				return ['type'=>'error','msg'=>$e->getMessage()];
			}
			return ['type'=>'scheme','page'=>'wxpay_mini','url'=>$code_url];
		}else{
			$code_url = $siteurl.'pay/jspay/'.TRADE_NO.'/';
			return ['type'=>'qrcode','page'=>'wxpay_wap','url'=>$code_url];
		}
	}

	//H5支付
	static public function h5(){
		global $siteurl, $channel, $order, $ordername, $conf, $clientip;

		$param = [
			'description' => $ordername,
			'out_trade_no' => TRADE_NO,
			'notify_url' => $conf['localurl'].'pay/notify/'.TRADE_NO.'/',
			'merchant_category_code' => $channel['appurl'],
			'amount' => [
				'total' => intval(round($order['realmoney']*100)),
				'currency' => 'CNY'
			],
			'scene_info' => [
				'payer_client_ip' => $clientip,
				'store_info' => [
					'name' => $conf['sitename'],
					'address' => $siteurl,
				],
			]
		];

		$wechatpay_config = require(PAY_ROOT.'inc/config.php');
		try{
			$client = new \WeChatPay\V3\GlobalPaymentService($wechatpay_config);
			$result = $client->h5Pay($param);
			$redirect_url=$siteurl.'pay/return/'.TRADE_NO.'/';
			$url=$result['mweb_url'].'&redirect_url='.urlencode($redirect_url);
			return ['type'=>'jump','url'=>$url];
		} catch (Exception $e) {
			return ['type'=>'error','msg'=>'微信支付下单失败！'.$e->getMessage()];
		}
	}

	//小程序支付
	static public function wxminipay(){
		global $siteurl, $channel, $order, $ordername, $conf, $clientip;

		$code = isset($_GET['code'])?trim($_GET['code']):exit('{"code":-1,"msg":"code不能为空"}');

		$wxinfo = \lib\Channel::getWeixin($channel['appwxa']);
		if(!$wxinfo)exit('{"code":-1,"msg":"支付通道绑定的微信小程序不存在"}');
		$channel['appid'] = $wxinfo['appid'];

		//①、获取用户openid
		try{
			$tools = new \WeChatPay\JsApiTool($wxinfo['appid'], $wxinfo['appsecret']);
			$openid = $tools->AppGetOpenid($code);
		}catch(Exception $e){
			exit('{"code":-1,"msg":"'.$e->getMessage().'"}');
		}
		$blocks = checkBlockUser($openid, TRADE_NO);
		if($blocks)exit('{"code":-1,"msg":"'.$blocks['msg'].'"}');

		//②、统一下单
		$param = [
			'description' => $ordername,
			'out_trade_no' => TRADE_NO,
			'notify_url' => $conf['localurl'].'pay/notify/'.TRADE_NO.'/',
			'merchant_category_code' => $channel['appurl'],
			'amount' => [
				'total' => intval(round($order['realmoney']*100)),
				'currency' => 'CNY'
			],
			'payer' => [
				'openid' => $openid
			],
			'scene_info' => [
				'payer_client_ip' => $clientip
			]
		];

		$wechatpay_config = require(PAY_ROOT.'inc/config.php');
		try{
			$client = new \WeChatPay\V3\GlobalPaymentService($wechatpay_config);
			$jsApiParameters = $client->jsapiPay($param);
			exit(json_encode(['code'=>0, 'data'=>$jsApiParameters]));
		} catch (Exception $e) {
			exit(json_encode(['code'=>-1, 'msg'=>'微信支付下单失败！'.$e->getMessage()]));
		}
	}

	//APP支付
	static public function apppay(){
		global $siteurl, $channel, $order, $ordername, $conf, $clientip, $method;

		$param = [
			'description' => $ordername,
			'out_trade_no' => TRADE_NO,
			'notify_url' => $conf['localurl'].'pay/notify/'.TRADE_NO.'/',
			'merchant_category_code' => $channel['appurl'],
			'amount' => [
				'total' => intval(round($order['realmoney']*100)),
				'currency' => 'CNY'
			],
			'scene_info' => [
				'payer_client_ip' => $clientip
			]
		];

		$wechatpay_config = require(PAY_ROOT.'inc/config.php');
		try{
			$client = new \WeChatPay\V3\GlobalPaymentService($wechatpay_config);
			$result = $client->appPay($param);
			if($method == 'app'){
				return ['type'=>'app','data'=>$result];
			}
			$params = [
				'nonceStr' => $result['noncestr'],
				'package' => $result['package'],
				'partnerId' => $result['partnerid'],
				'prepayId' => $result['prepayid'],
				'timeStamp' => $result['timestamp'],
				'sign' => $result['sign'],
			];
			$code_url = 'weixin://app/'.$result['appid'].'/pay/?'.http_build_query($params);
			return ['type'=>'qrcode','page'=>'wxpay_h5','url'=>$code_url];
		}catch(Exception $e){
			return ['type'=>'error','msg'=>'微信支付下单失败！'.$e->getMessage()];
		}
	}

	//付款码支付
	static public function scanpay(){
		global $siteurl, $channel, $order, $ordername, $conf, $clientip;

		$params = [
			'description' => $ordername,
			'out_trade_no' => TRADE_NO,
			'merchant_category_code' => $channel['appurl'],
			'payer' => [
				'auth_code' => $order['auth_code']
			],
			'amount' => [
				'total' => intval(round($order['realmoney']*100)),
				'currency' => 'CNY'
			],
			'scene_info' => [
				'payer_client_ip' => $clientip
			]
		];
		$wechatpay_config = require(PAY_ROOT.'inc/config.php');
		$client = new \WeChatPay\V3\GlobalPaymentService($wechatpay_config);
		try{
			$result = $client->microPay($params);
			if($result['trade_state'] == 'SUCCESS'){
				processNotify($order, $result['id'], $result['payer']['openid']);
				return ['type'=>'scan','data'=>['type'=>$order['typename'], 'trade_no'=>$result['out_trade_no'], 'api_trade_no'=>$result['id'], 'buyer'=>$result['payer']['openid'], 'money'=>strval(round($result['amount']['total']/100, 2))]];
			}elseif($result['trade_state'] == 'USERPAYING'){
				sleep(2);
				$retry = 0;
				$success = false;
				while($retry < 6){
					sleep(3);
					try{
						$result = $client->orderQuery(null, TRADE_NO);
					}catch(Exception $e){
						return ['type'=>'error','msg'=>'微信支付失败！订单查询失败:'.$e->getMessage()];
					}
					if($result['trade_state'] == 'SUCCESS'){
						$success = true;
						break;
					}elseif($result['trade_state'] != 'USERPAYING'){
						return ['type'=>'error','msg'=>'微信支付失败！'.$result['trade_state_desc']];
					}
					$retry++;
				}
				if($success){
					processNotify($order, $result['id'], $result['payer']['openid']);
					return ['type'=>'scan','data'=>['type'=>$order['typename'], 'trade_no'=>$result['out_trade_no'], 'api_trade_no'=>$result['id'], 'buyer'=>$result['payer']['openid'], 'money'=>strval(round($result['amount']['total']/100, 2))]];
				}else{
					try{
						$client->reverseOrder(TRADE_NO);
					}catch(Exception $e){
					}
					return ['type'=>'error','msg'=>'微信支付失败！订单已超时'];
				}
			}else{
				return ['type'=>'error','msg'=>'微信支付失败！'.$result['trade_state_desc']];
			}
		}catch(Exception $e){
			return ['type'=>'error','msg'=>'微信支付下单失败！'.$e->getMessage()];
		}
	}

	//小程序跳转支付
	static public function applet(){
		global $channel;
		try{
			$wxinfo = \lib\Channel::getWeixin($channel['appwxa']);
			if(!$wxinfo)return ['type'=>'error','msg'=>'支付通道绑定的微信小程序不存在'];
			$path = wxminipay_jump_path(TRADE_NO);
		}catch(Exception $e){
			return ['type'=>'error','msg'=>$e->getMessage()];
		}
		return ['type'=>'wxapp','data'=>['appId'=>$wxinfo['appid'], 'miniProgramId'=>'', 'path'=>$path]];
	}

	//支付成功页面
	static public function ok(){
		return ['type'=>'page','page'=>'ok'];
	}

	//支付返回页面
	static public function return(){
		return ['type'=>'page','page'=>'return'];
	}

	//异步回调
	static public function notify(){
		global $channel, $order;

		$wechatpay_config = require(PAY_ROOT.'inc/config.php');
		try{
			$client = new \WeChatPay\V3\GlobalPaymentService($wechatpay_config);
			$data = $client->notify();
		} catch (Exception $e) {
			$client->replyNotify(false, $e->getMessage());
			exit;
		}

		if ($data['trade_state'] == 'SUCCESS') {
			if($data['out_trade_no'] == TRADE_NO){
				processNotify($order, $data['id'], $data['payer']['openid']);
			}
		}
		$client->replyNotify(true);
	}

	//退款
	static public function refund($order){
		global $channel;
		if(empty($order))exit();

		$param = [
			'transaction_id' => $order['api_trade_no'],
			'out_refund_no' => $order['refund_no'],
			'amount' => [
				'refund' => intval(round($order['refundmoney']*100)),
				'total' => intval(round($order['realmoney']*100)),
				'currency' => 'CNY'
			]
		];

		$wechatpay_config = require(PAY_ROOT.'inc/config.php');
		try{
			$client = new \WeChatPay\V3\GlobalPaymentService($wechatpay_config);
			$result = $client->refund($param);
			$result = ['code'=>0, 'trade_no'=>$result['out_trade_no'], 'refund_fee'=>$result['amount']['refund']];
		} catch (Exception $e) {
			$result = ['code'=>-1, 'msg'=>$e->getMessage()];
		}
		return $result;
	}

}