package foundation.icall.callout;

import java.io.IOException;
import java.util.Date;

import foundation.action.ActionContext;
import foundation.icall.ICall;
import foundation.util.Util;


public class NCCSource extends HttpServerSource {
	
	private static int TimeOutMinute = 20;
	public Date lastTime;
	private String secret;
	private String clientId;
	private String signature;
	private String token;
	

	@Override
	public void login(ActionContext context, ICall iCall) throws Exception {
		if (!tokenExpired()) {
			return;
		}
		
		//1. 生成 secret 及 sing
		createSecretAndSign();
		
		//2. 登录服务器, 获取 token
		getToken();
	}

	@Override
	public void logout(ActionContext context, ICall iCall) {
		
	}

	@Override
	public ICallRequest createRequest(String url) {
		// TODO Auto-generated method stub
		return null;
	}
	
	private boolean tokenExpired() {
		if (Util.isEmpty(token)) {
			return true;
		}
		
		Date now = new Date();
		boolean result = lastTime.getTime() - now.getTime() >= TimeOutMinute * 60 * 1000;
		return result;
	}

	private void createSecretAndSign() throws Exception {
		String publicKey = meta.getString("publicKey");
		String clientSecret = meta.getString("clientSecret");
		clientId = meta.getString("clientId");
		
//		secret = Encryption.pubEncrypt(publicKey, clientSecret);
		
		signature = clientId + clientSecret + publicKey;
//		signature = SHA256Util.getSHA256(signature, publicKey);
	}

	private void getToken() throws IOException {
		String url = meta.getString("url");
		String bizCenter = meta.getString("bizCenter");
		String userCode = meta.getString("userCode");
		
		ICallRequest request = new ICallRequest(url);
		
		request.addOneParam("grant_type", "client_credentials");
		request.addOneParam("client_id", clientId);
		request.addOneParam("client_secret", secret);
		request.addOneParam("signature", signature);
		
		request.addOneParam("biz_center", bizCenter);
		request.addOneParam("usercode", userCode);
		
//		token = post(request, ResponseType.String);
	}

	@Override
	public String getName() {
		// TODO Auto-generated method stub
		return null;
	}
}