/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you 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 .
 */

#include "lokinteractionhandler.hxx"

#include <rtl/ref.hxx>
#include <cppuhelper/supportsservice.hxx>

#include <com/sun/star/task/XInteractionAbort.hpp>
#include <com/sun/star/task/XInteractionApprove.hpp>
#include <com/sun/star/task/XInteractionPassword2.hpp>
#include <com/sun/star/task/DocumentPasswordRequest2.hpp>

#include <../../inc/lib/init.hxx>

#include <LibreOfficeKit/LibreOfficeKitEnums.h>

using namespace com::sun::star;

LOKInteractionHandler::LOKInteractionHandler(
        uno::Reference<uno::XComponentContext> const & /*rxContext*/,
        desktop::LibLibreOffice_Impl *const pLOKit)
    : m_pLOKit(pLOKit)
    , m_usePassword(false)
{
    assert(m_pLOKit);
}

LOKInteractionHandler::~LOKInteractionHandler()
{
}

OUString SAL_CALL LOKInteractionHandler::getImplementationName() throw (uno::RuntimeException, std::exception)
{
    return OUString("com.sun.star.comp.uui.LOKInteractionHandler");
}

sal_Bool SAL_CALL LOKInteractionHandler::supportsService(OUString const & rServiceName) throw (uno::RuntimeException, std::exception)
{
    return cppu::supportsService(this, rServiceName);
}

uno::Sequence< OUString > SAL_CALL LOKInteractionHandler::getSupportedServiceNames() throw (uno::RuntimeException, std::exception)
{
    uno::Sequence< OUString > aNames(3);
    aNames[0] = "com.sun.star.task.InteractionHandler";
    // added to indicate support for configuration.backend.MergeRecoveryRequest
    aNames[1] = "com.sun.star.configuration.backend.InteractionHandler";
    aNames[2] = "com.sun.star.uui.InteractionHandler";
    // for backwards compatibility
    return aNames;
}

void SAL_CALL LOKInteractionHandler::initialize(uno::Sequence<uno::Any> const & /*rArguments*/) throw (uno::Exception, std::exception)
{
}

void SAL_CALL LOKInteractionHandler::handle(
        uno::Reference<task::XInteractionRequest> const & xRequest)
throw (uno::RuntimeException, std::exception)
{
    // just do the same thing in both cases
    handleInteractionRequest(xRequest);
}

sal_Bool SAL_CALL LOKInteractionHandler::handleInteractionRequest(
        const uno::Reference<task::XInteractionRequest>& xRequest)
throw (uno::RuntimeException, std::exception)
{
    uno::Sequence<uno::Reference<task::XInteractionContinuation>> const &rContinuations = xRequest->getContinuations();

    uno::Any const request(xRequest->getRequest());
    task::DocumentPasswordRequest2 passwordRequest;
    if (request >>= passwordRequest)
    {
        OString const url(passwordRequest.Name.toUtf8());
        m_pLOKit->mpCallback(passwordRequest.IsRequestPasswordToModify
                        ? LOK_CALLBACK_DOCUMENT_PASSWORD
                        : LOK_CALLBACK_DOCUMENT_PASSWORD_TO_MODIFY,
                    url.getStr(),
                    m_pLOKit->mpCallbackData);

        // block until SetPassword is called
        m_havePassword.wait();
        m_havePassword.reset();

        for (sal_Int32 i = 0; i < rContinuations.getLength(); ++i)
        {
            if (m_usePassword)
            {
                if (passwordRequest.IsRequestPasswordToModify)
                {
                    uno::Reference<task::XInteractionPassword2> const xIPW2(
                            rContinuations[i], uno::UNO_QUERY);
                    xIPW2->setPasswordToModify(m_Password);
                    xIPW2->select();
                }
                else
                {
                    uno::Reference<task::XInteractionPassword> const xIPW(
                            rContinuations[i], uno::UNO_QUERY);
                    if (xIPW.is())
                    {
                        xIPW->setPassword(m_Password);
                        xIPW->select();
                    }
                }
            }
            else
            {
                if (passwordRequest.IsRequestPasswordToModify)
                {
                    uno::Reference<task::XInteractionPassword2> const xIPW2(
                            rContinuations[i], uno::UNO_QUERY);
                    xIPW2->setRecommendReadOnly(true);
                    xIPW2->select();
                }
                else
                {
                    uno::Reference<task::XInteractionAbort> const xAbort(
                            rContinuations[i], uno::UNO_QUERY);
                    if (xAbort.is())
                    {
                        xAbort->select();
                    }
                }
            }
        }
        return sal_True;
    }

    // TODO: add LOK api that allows handling this for real, for the moment we
    // just set the interaction as 'Approved'
    for (sal_Int32 i = 0; i < rContinuations.getLength(); ++i)
    {
        uno::Reference<task::XInteractionApprove> xApprove(rContinuations[i], uno::UNO_QUERY);
        if (xApprove.is())
            xApprove->select();
    }

    return sal_True;
}

void LOKInteractionHandler::SetPassword(char const*const pPassword)
{
    if (pPassword)
    {
        m_Password = OUString(pPassword, strlen(pPassword), RTL_TEXTENCODING_UTF8);
        m_usePassword = true;
    }
    else
    {
        m_usePassword = false;
    }
    m_havePassword.set();
}

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