package com.lf.server.service.show;

import com.alibaba.fastjson.JSON;
import com.lf.server.entity.all.ResponseMsg;
import com.lf.server.entity.show.ExportEntity;
import com.lf.server.helper.RestHelper;
import com.lf.server.helper.StringHelper;
import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;

import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.List;

/**
 * 在线制图
 * @author WWW
 */
@Service
public class ExportService {
    @Value("${sys.path.exportServer}")
    private String exportServer;

    public String post(ExportEntity entity) {
        List<NameValuePair> nvPair = getPostEntity(entity);
        String url = exportServer + "/Export/Start";

        String str = RestHelper.post(url, nvPair);
        if (StringHelper.isEmpty(str)) {
            return null;
        }

        ResponseMsg<String> msg = JSON.parseObject(str, ResponseMsg.class);
        if (msg == null || msg.getCode() != 200) {
            return null;
        }

        return msg.getResult();
    }

    private List<NameValuePair> getPostEntity(ExportEntity entity) {
        List<NameValuePair> list = new ArrayList<NameValuePair>();

        Field[] fields = entity.getClass().getDeclaredFields();
        for (Field field : fields) {
            try {
                field.setAccessible(true);
                Object obj = field.get(entity);

                String val = null;
                if (obj != null) {
                    val = String.valueOf(obj);
                }

                BasicNameValuePair nvp = new BasicNameValuePair(field.getName(), val);
                list.add(nvp);
            } catch (Exception ex) {
                //
            }
        }

        return list;
    }
}