package com.foxinmy.weixin4j.wxa.api;
   
   import java.util.Properties;
   
   import com.alibaba.fastjson.TypeReference;
   import com.foxinmy.weixin4j.exception.WeixinException;
   import com.foxinmy.weixin4j.http.weixin.WeixinResponse;
   import com.foxinmy.weixin4j.model.WeixinAccount;
   import com.foxinmy.weixin4j.wxa.model.Session;
  
  /**
   * 登录凭证校验。
   *
   * @since 1.8
   */
  public class LoginApi extends WxaApi {
  
  	private final WeixinAccount weixinAccount;
  
  	public LoginApi(WeixinAccount weixinAccount) {
  		this(weixinAccount, null);
  	}
  
  	public LoginApi(WeixinAccount weixinAccount, Properties properties) {
  		super(properties);
  		this.weixinAccount = weixinAccount;
  	}
  
  	public Session jscode2session(String jsCode) throws WeixinException {
  		return jscode2session(jsCode, "authorization_code");
  	}
  
  	/**
  	 * 登录凭证校验
  	 *
  	 * @param jsCode 登录时获取的 code
  	 * @param grantType 填写为 authorization_code
  	 * @return the session.
  	 * @throws WeixinException 发生错误时。比如 <code>js_code</code> 无效。
  	 * @see <a href="https://developers.weixin.qq.com/miniprogram/dev/api-backend/open-api/login/auth.code2Session.html">登录凭证校验<a/>
  	 */
  	public Session jscode2session(String jsCode, String grantType) throws WeixinException {
  		String jscode2sessionUri = getRequestUri("sns_jscode2session",
  			weixinAccount.getId(), weixinAccount.getSecret(), jsCode, grantType);
  		WeixinResponse response = weixinExecutor.get(jscode2sessionUri);
  		return response.getAsObject(new TypeReference<Session>() {
  		});
  	}
  
  }