package com.fr.plugin;

import com.fr.decision.fun.impl.BaseHttpHandler;
import com.fr.decision.webservice.v10.login.LoginService;
import com.fr.third.org.apache.commons.codec.digest.DigestUtils;
import com.fr.third.org.apache.commons.lang3.StringUtils;
import com.fr.third.springframework.web.bind.annotation.RequestMethod;
import com.fr.web.utils.WebUtils;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.net.URLEncoder;
import java.util.HashMap;
import java.util.Map;

public class GoAuthApi extends BaseHttpHandler {
    @Override
    public RequestMethod getMethod() {
        return null;
    }

    @Override
    public String getPath() {
        return "/goAuth";
    }

    @Override
    public boolean isPublic() {
        return true;
    }

    @Override
    public void handle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) throws Exception {
        if (isLogin(httpServletRequest)) {
            sendRedirect(httpServletResponse, HttpUtils.getDefaultUrl(httpServletRequest));
            return;
        } else {
            String valAddr = Oauth2Config.getInstance().getValAddr();
            String appId = Oauth2Config.getInstance().getAppId();
            String frUrl = Oauth2Config.getInstance().getFrUrl();
            String redirectUrl = String.format("%s/url/iam/authCallBack", frUrl);
            redirectUrl = URLEncoder.encode(redirectUrl, "utf-8");
            String goUrl = String.format("%s/oauth2/rest/authz?response_type=code&client_id=%s&domain=IdmDomain&state=xyz&scope=IdmResServer.UserProfile.me openid email phone profile&redirect_uri=%s", valAddr, appId, redirectUrl);
            sendRedirect(httpServletResponse, goUrl);
        }
    }


    private void sendRedirect(HttpServletResponse res, String url) throws IOException {
        Map<String, String> params = new HashMap<>();
        params.put("callBack", url);
        WebUtils.writeOutTemplate("com/fr/plugin/redirect.html", res, params);
    }

    private boolean isLogin(HttpServletRequest req) {
        return LoginService.getInstance().isLogged(req);
    }

    private String md5(String str) {
        return DigestUtils.md5Hex(str);
    }
}