package com.fdkankan.mqcontroller.utils;


import com.alibaba.fastjson.JSONObject;
import com.aliyun.ess20220222.Client;
import com.aliyun.ess20220222.models.ExecuteScalingRuleRequest;
import com.aliyun.ess20220222.models.ExecuteScalingRuleResponse;
import com.aliyun.ess20220222.models.RemoveInstancesRequest;
import com.aliyun.ess20220222.models.RemoveInstancesResponse;
import com.aliyun.tea.TeaException;
import com.aliyun.teaopenapi.models.Config;
import lombok.extern.slf4j.Slf4j;

import java.util.Arrays;
import java.util.UUID;


@Slf4j
public class ECSUtils {

    public static Client initClient(String accessKey,String accessKeySecret,String endPoint) throws Exception {
        Config config = new Config();
        config.setAccessKeyId(accessKey);
        config.setAccessKeySecret(accessKeySecret);
        config.setEndpoint(endPoint);
        return new Client(config);
    }

    public static Boolean executeScalingActivity(Client client, String scalingRuleAri) throws Exception{
        ExecuteScalingRuleRequest request = new ExecuteScalingRuleRequest();
        request.setScalingRuleAri(scalingRuleAri);
        request.setClientToken(UUID.randomUUID().toString()); // 使用UUID生成唯一标识，避免并发冲突
        ExecuteScalingRuleResponse response = client.executeScalingRule(request);
        log.info("executeScalingActivity-resp:{}",JSONObject.toJSONString(response));
        if(response.getStatusCode() == 200){
            return true;
        }
        return false;
    }
    public static Boolean executeScalingStop(Client client, String groupId,String instanceId) {
        try {
            RemoveInstancesRequest removeInstancesRequest = new RemoveInstancesRequest();
            removeInstancesRequest.setScalingGroupId(groupId);
            removeInstancesRequest.setInstanceIds(Arrays.asList(instanceId));
            RemoveInstancesResponse  removeInstancesResponse = client.removeInstances(removeInstancesRequest);
            log.info("executeScalingStop-resp:{}",JSONObject.toJSONString(removeInstancesResponse));
            if(removeInstancesResponse.getStatusCode() == 200){
                return true;
            }
        }catch (TeaException e){
            //实例不存在视作关闭成功
            if(e.getStatusCode().equals(400) && e.getMessage().contains("The specified instance does not exist")){
                return true;
            }
        }catch (Exception e){
            log.info("delEcs--error:",e);
        }

        return false;
    }

    public static boolean createEcs(String accessKey,String secret,String endpoint,String scalingRuleAri){
        try {
            Client client = initClient(accessKey,secret,endpoint);
            return executeScalingActivity(client, scalingRuleAri);
        }catch (Exception e){
            log.info("createEcs--error:",e);
        }
        return false;
    }

    public static Boolean delEcs(String accessKey,String secret,String endpoint,String scalingGroupId,String instanceId){
        try {
            Client client = initClient(accessKey,secret,endpoint);
            return executeScalingStop(client, scalingGroupId,instanceId);
        }catch (Exception e){
            log.info("delEcs--error:",e);
        }
        return false;
    }


}