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package com.vci.ubcs.omd.repeater;
 
import com.alibaba.cloud.nacos.NacosDiscoveryProperties;
import com.alibaba.cloud.nacos.NacosServiceManager;
import com.alibaba.fastjson.JSONObject;
import com.alibaba.nacos.api.exception.NacosException;
import com.alibaba.nacos.api.naming.NamingService;
import com.alibaba.nacos.api.naming.pojo.Instance;
import com.vci.ubcs.omd.vo.BtmTypeVO;
import org.springblade.core.launch.constant.AppConstant;
import org.springblade.core.secure.utils.AuthUtil;
import org.springblade.core.tool.api.R;
import org.springblade.core.tool.utils.StringPool;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.RestTemplate;
 
import javax.annotation.PostConstruct;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.Optional;
 
/**
 * Description: 领域转发器
 *
 * @author LiHang
 * @date 2023/4/25
 */
public class DomainRepeater {
    private DomainRepeater() {
    }
 
    /**
     * 控制器路径
     */
    public static final String API_PREFIX = "ddl";
 
    /**
     * 新增或修改的转发路径名称
     */
    public static final String API_SUBMIT_BTM_TYPE = API_PREFIX + StringPool.SLASH +"submitBtmType";
 
    /**
     * 表名获取表信息
     */
    public static final String API_GET_TABLE_INFO = API_PREFIX + StringPool.SLASH +"getTableColumnByTableName";
 
    /**
     * 获取全部表信息
     */
    public static final String API_GET_ALL_TABLE_INFO = API_PREFIX + StringPool.SLASH +"getAllTableInfo";
 
    /**
     * Nacos服务列表
     */
    private static NamingService namingService = SINGLE.build();
 
    private static class SINGLE {
        @Autowired
        private NacosServiceManager manager;
        private static NacosServiceManager nacosServiceManager;
 
        @Autowired
        private NacosDiscoveryProperties properties;
        private static NacosDiscoveryProperties nacosDiscoveryProperties;
 
        @PostConstruct
        private void init(){
            nacosServiceManager = manager;
            nacosDiscoveryProperties = properties;
        }
        private static NamingService build(){
            return nacosServiceManager.getNamingService(nacosDiscoveryProperties.getNacosProperties());
        }
    }
 
    public static R submitBtmType (String serviceName, BtmTypeVO btmTypeVO) throws NacosException {
        Instance service = namingService.selectOneHealthyInstance(AppConstant.APPLICATION_GATEWAY_NAME);
        try {
            String url = "http://" + service.getIp() +StringPool.COLON+ service.getPort() + StringPool.SLASH + serviceName + StringPool.SLASH + API_SUBMIT_BTM_TYPE;
            ResponseEntity<R> responseEntity = executePost(url, JSONObject.toJSONString(btmTypeVO), null);
            if (responseEntity.getStatusCode().equals(HttpStatus.OK)){
                return responseEntity.getBody();
            }
            return R.fail(String.valueOf(responseEntity.getStatusCode().value()));
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
 
    private static ResponseEntity<R> executePost(String url, String body,Map<String,String> extraHeaders) throws IOException {
        RestTemplate restTemplate = new RestTemplate();
        HttpHeaders httpHeaders = new HttpHeaders();
        httpHeaders.add("Content-Type","application/json;charset=UTF-8");
        httpHeaders.add("Blade-Auth", AuthUtil.getHeader());
        Optional.ofNullable(extraHeaders).orElseGet(HashMap::new).forEach(httpHeaders::add);
        HttpEntity<String> request = new HttpEntity<>(body,httpHeaders);
        return restTemplate.postForEntity(url, request, R.class);
    }
}