package com.vci.ubcs.code.service.impl;

import com.vci.ubcs.code.service.IPasswordFreeLoginService;
import com.vci.ubcs.code.util.HttpUtils;
import org.apache.commons.collections4.MultiValuedMap;
import org.apache.commons.collections4.multimap.ArrayListValuedHashMap;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Service;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
import org.springframework.http.HttpMethod;
import org.springframework.web.client.RestTemplate;

import javax.annotation.Resource;
import java.util.List;

/**
 * 免密登录服务
 * @author ludc
 * @date 2023/9/11 15:45
 */
@Service
public class PasswordFreeLoginServiceImpl implements IPasswordFreeLoginService {

	// 通过服务注册中心获取网关的端口号
	@Autowired
	private DiscoveryClient discoveryClient;

	/**
	 * 获取网关端口
	 * @return
	 */
	public String getGatewayPort() {
		List<ServiceInstance> instances = discoveryClient.getInstances("ubcs-gateway");
		if (!instances.isEmpty()) {
			ServiceInstance gatewayInstance = instances.get(0);
			return String.valueOf(gatewayInstance.getPort());
		}
		return "80";
	}

	/**
	 * 免密登录
	 * @param username 账号
	 * @return
	 */
	@Override
	public boolean passwordFreeLogin(String username) {
		// 免密登录接口地址
		String loginUrl = "http://localhost:"+this.getGatewayPort()+"/ubcs-auth/oauth/password-free-login";

		// 设置请求头
		HttpHeaders headers = new HttpHeaders();
		headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
		headers.set("Authorization", "Basic c3dvcmQ6c3dvcmRfc2VjcmV0");
		headers.set("Tenant-Id", "000000");

		//设置请求体参数
		MultiValueMap<String,String> parameters = new LinkedMultiValueMap<String,String>();
		parameters.add("username",username);
		parameters.add("grant_type", "captcha");
		parameters.add("scope", "all");
		parameters.add("type", "account");

		// 发送POST请求
		String responseBody = HttpUtils.post(loginUrl, parameters,headers);
		System.out.println(responseBody);
		//拿到响应体将token存入到redis中，以account作为存储的key

		// 解析响应体获取令牌
		// 这里假设响应体是JSON格式，包含一个名为"token"的字段
		// 根据实际情况进行解析
		// JSONObject json = new JSONObject(responseBody);
		// String token = json.getString("token");

		return false;
	}


}