/*
 * Copyright (C) 2015 Hippo Seven
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.hippo.ehviewer.client;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class SignInParser {
    public String displayname;

    public boolean parse(String body) throws Exception {
        Pattern p;
        Matcher m;

        p = Pattern.compile("<p>You are now logged in as: (.+?)<br />");
        m = p.matcher(body);
        if (m.find()) {
            displayname = m.group(1);
            return true;
        } else {
            p = Pattern.compile("(?:<h4>The error returned was:</h4>\\s*<p>(.+?)</p>)"
                    + "|(?:<span class=\"postcolor\">(.+?)</span>)");
            m = p.matcher(body);

            if (m.find()) {
                throw new EhException(m.group(1) == null ? m.group(2) : m.group(1));
            } else {
                throw new EhException("Unknown error"); // TODO
            }
        }
    }
}