package common.utils.wechat;

import com.wechat.pay.java.core.Config;
import com.wechat.pay.java.core.RSAAutoCertificateConfig;
import com.wechat.pay.java.core.RSAPublicKeyConfig;
import com.wechat.pay.java.core.notification.NotificationConfig;
import com.wechat.pay.java.service.payments.h5.H5Service;

public class WeChatConfig {
    public static String merchantId = System.getenv("WX_MERCHANT_ID");
    public static String privateKeyPath = System.getenv("WX_PRIVATE_KEY_PATH");
    public static String publicKeyPath = System.getenv("WX_PUBLIC_KEY_PATH");
    public static String publicKeyId = System.getenv("WX_PUBLIC_KEY_ID");
    public static String merchantSerialNumber = System.getenv("WX_MERCHANT_SERIAL_NUMBER");
    public static String apiV3Key = System.getenv("WX_API_V3_KEY");
    public static String appId = System.getenv("WX_APP_ID");
    
    private static Config config;
    private static NotificationConfig nConfig;
    private static H5Service service;
    
    public static Config getConfig() {
        if (config == null) {
           config = new RSAPublicKeyConfig.Builder()
                   .merchantId(merchantId)
                   .privateKeyFromPath(privateKeyPath)
                   .publicKeyFromPath(publicKeyPath)
                   .publicKeyId(publicKeyId)
                   .merchantSerialNumber(merchantSerialNumber)
                   .apiV3Key(apiV3Key)
                   .build();
        }
        
        return config;
    }

    public static NotificationConfig getNConfig() {
        if (nConfig == null) {
            nConfig = new RSAAutoCertificateConfig.Builder()
                    .merchantId(merchantId)
                    .privateKeyFromPath(privateKeyPath)
                    .merchantSerialNumber(merchantSerialNumber)
                    .apiV3Key(apiV3Key)
                    .build();
        }

        return nConfig;
    }
    
    public static H5Service getService() {        
        if (service == null) {
            service = new H5Service.Builder().config(getConfig()).build();
        }
        
        return service;
    }
}