/**
 * Copyright (C) 2011-2013 Nicolas Vinot <aeris@imirhil.fr>
 * Copyright (C) 2017 Christian Pierre MOMON <cmomon@april.org>
 *
 * This file is part of (April) Hebdobot.
 *
 * Hebdobot is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Hebdobot is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with Hebdobot.  If not, see <http://www.gnu.org/licenses/>
 */
package org.april.hebdobot.identica;

import java.util.Scanner;

import org.scribe.builder.ServiceBuilder;
import org.scribe.builder.api.Api;
import org.scribe.model.OAuthRequest;
import org.scribe.model.Token;
import org.scribe.model.Verb;
import org.scribe.model.Verifier;
import org.scribe.oauth.OAuthService;

/**
 * The Class StatusNetClient.
 */
public abstract class StatusNetClient
{
    private final OAuthService service;
    private final Token token;

    /**
     * Instantiates a new status net client.
     *
     * @param apiClass
     *            the api class
     * @param apiKey
     *            the api key
     * @param apiSecret
     *            the api secret
     * @param tokenKey
     *            the token key
     * @param tokenSecret
     *            the token secret
     */
    public StatusNetClient(final Class<? extends Api> apiClass, final String apiKey, final String apiSecret, final String tokenKey,
            final String tokenSecret)
    {
        this.service = getService(apiClass, apiKey, apiSecret);
        this.token = new Token(tokenKey, tokenSecret);
    }

    /**
     * Gets the api url.
     *
     * @return the api url
     */
    protected abstract String getApiUrl();

    /**
     * Post.
     *
     * @param message
     *            the message
     */
    public void post(final String message)
    {
        final OAuthRequest request = new OAuthRequest(Verb.POST, this.getApiUrl() + "/statuses/update.json");
        request.addBodyParameter("status", message);
        this.service.signRequest(this.token, request);
        request.send();
    }

    /**
     * Gets the service.
     *
     * @param apiClass
     *            the api class
     * @param apiKey
     *            the api key
     * @param apiSecret
     *            the api secret
     * @return the service
     */
    private static OAuthService getService(final Class<? extends Api> apiClass, final String apiKey, final String apiSecret)
    {
        OAuthService result;

        result = new ServiceBuilder().provider(apiClass).apiKey(apiKey).apiSecret(apiSecret).build();

        //
        return result;
    }

    /**
     * Register.
     *
     * @param apiClass
     *            the api class
     * @param apiKey
     *            the api key
     * @param apiSecret
     *            the api secret
     */
    public static void register(final Class<? extends Api> apiClass, final String apiKey, final String apiSecret)
    {
        final OAuthService service = getService(apiClass, apiKey, apiSecret);
        final Token requestToken = service.getRequestToken();
        System.out.println(service.getAuthorizationUrl(requestToken));
        System.out.print(">>");
        final Scanner scanner = new Scanner(System.in);
        try
        {
            final Verifier verifier = new Verifier(scanner.nextLine());
            final Token token = service.getAccessToken(requestToken, verifier);
            System.out.println(token);
        }
        finally
        {
            scanner.close();
        }
    }
}