/* ownCloud Android Library is available under MIT license
 *   Copyright (C) 2016 ownCloud GmbH.
 *
 *   Permission is hereby granted, free of charge, to any person obtaining a copy
 *   of this software and associated documentation files (the "Software"), to deal
 *   in the Software without restriction, including without limitation the rights
 *   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *   copies of the Software, and to permit persons to whom the Software is
 *   furnished to do so, subject to the following conditions:
 *
 *   The above copyright notice and this permission notice shall be included in
 *   all copies or substantial portions of the Software.
 *
 *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *   NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 *   BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 *   ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 *   CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 *   THE SOFTWARE.
 *
 */
package com.owncloud.android.lib.common.authentication;

import com.owncloud.android.lib.common.OwnCloudClient;

import org.apache.commons.httpclient.UsernamePasswordCredentials;
import org.apache.commons.httpclient.auth.AuthPolicy;
import org.apache.commons.httpclient.auth.AuthScope;
import org.apache.commons.httpclient.auth.AuthState;
import org.apache.commons.httpclient.auth.BasicScheme;

import java.util.ArrayList;
import java.util.List;

import okhttp3.Credentials;

public class OwnCloudBasicCredentials implements OwnCloudCredentials {

    private String mUsername;
    private String mPassword;
    private boolean mAuthenticationPreemptive;

    public OwnCloudBasicCredentials(String username, String password) {
        mUsername = username != null ? username : "";
        mPassword = password != null ? password : "";
        mAuthenticationPreemptive = true;
    }

    public OwnCloudBasicCredentials(String username, String password, boolean preemptiveMode) {
        mUsername = username != null ? username : "";
        mPassword = password != null ? password : "";
        mAuthenticationPreemptive = preemptiveMode;
    }

    @Override
    public void applyTo(OwnCloudClient client) {
        AuthPolicy.registerAuthScheme(AuthState.PREEMPTIVE_AUTH_SCHEME, BasicScheme.class);

        List<String> authPrefs = new ArrayList<>(1);
        authPrefs.add(AuthPolicy.BASIC);

        client.getOkHttpClient().newBuilder()
                .addInterceptor(chain ->
                        chain.proceed(
                                chain.request()
                                        .newBuilder()
                                        .addHeader("Authorization", Credentials.basic(mUsername, mPassword))
                                        .build()
                        )
                ).build();

        //TODO
        client.getParams().setParameter(AuthPolicy.AUTH_SCHEME_PRIORITY, authPrefs);
        client.getParams().setAuthenticationPreemptive(mAuthenticationPreemptive);
        client.getParams().setCredentialCharset(OwnCloudCredentialsFactory.CREDENTIAL_CHARSET);
        client.getState().setCredentials(AuthScope.ANY, new UsernamePasswordCredentials(mUsername, mPassword));
    }

    @Override
    public String getUsername() {
        return mUsername;
    }

    @Override
    public String getAuthToken() {
        return mPassword;
    }

    @Override
    public boolean authTokenExpires() {
        return false;
    }

    @Override
    public boolean authTokenCanBeRefreshed() {
        return false;
    }

}