package org.jeecg.config.sap;

import com.sap.conn.jco.JCoDestination;
import com.sap.conn.jco.JCoDestinationManager;
import com.sap.conn.jco.JCoException;
import com.sap.conn.jco.ext.DestinationDataProvider;
import com.sap.conn.jco.ext.Environment;
import lombok.Getter;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

import javax.annotation.PostConstruct;
import java.util.Properties;

@Component
@Slf4j
@Getter
public class SapRfcConnectionManager {

    @Value("${sap.rfc.destination}")
    private String destinationName;

    @Value("${sap.rfc.ashost}")
    private String ashost;

    @Value("${sap.rfc.sysnr}")
    private String sysnr;

    @Value("${sap.rfc.client}")
    private String client;

    @Value("${sap.rfc.user}")
    private String user;

    @Value("${sap.rfc.passwd}")
    private String passwd;

    @Value("${sap.rfc.lang}")
    private String lang;

    @Value("${sap.rfc.poolSize}")
    private String poolSize;

    @Value("${sap.rfc.expirationTime}")
    private String expirationTime;

    @Value("${sap.rfc.peekLimit}")
    private String peekLimit = "10";

    private JCoDestination destination;

    /**
     *
     * @throws JCoException
     */
    @PostConstruct
    public void init() throws Exception {
        Properties connectProperties = new Properties();
        connectProperties.setProperty(DestinationDataProvider.JCO_ASHOST, ashost);
        connectProperties.setProperty(DestinationDataProvider.JCO_SYSNR, sysnr);
        connectProperties.setProperty(DestinationDataProvider.JCO_CLIENT, client);
        connectProperties.setProperty(DestinationDataProvider.JCO_USER, user);
        connectProperties.setProperty(DestinationDataProvider.JCO_PASSWD, passwd);
        connectProperties.setProperty(DestinationDataProvider.JCO_LANG, lang);
        connectProperties.setProperty(DestinationDataProvider.JCO_PEAK_LIMIT, peekLimit);
        connectProperties.setProperty(DestinationDataProvider.JCO_POOL_CAPACITY, poolSize);
        connectProperties.setProperty(DestinationDataProvider.JCO_EXPIRATION_TIME, expirationTime);

        // 创建动态目的地（避免依赖 SM59 配置）
        CustomDestinationDataProvider provider = new CustomDestinationDataProvider(destinationName, connectProperties);

        // 设置全局目的地提供者
        Environment.registerDestinationDataProvider(provider);

        // 获取目的地
        this.destination = JCoDestinationManager.getDestination(destinationName);
    }
}