/* -*- 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 "webconninfo.hxx"
#include <sal/macros.h>
#include <com/sun/star/task/InteractionHandler.hpp>
#include <com/sun/star/task/PasswordContainer.hpp>
#include <com/sun/star/task/UrlRecord.hpp>
#include <com/sun/star/task/XPasswordContainer2.hpp>
#include <comphelper/processfactory.hxx>
#include <comphelper/docpasswordrequest.hxx>
#include <vcl/treelistentry.hxx>
#include <vcl/layout.hxx>

using namespace ::com::sun::star;


namespace svx
{


// class PasswordTable ---------------------------------------------------

PasswordTable::PasswordTable(SvSimpleTableContainer& rParent, WinBits nBits)
    : SvSimpleTable(rParent, nBits | WB_NOINITIALSELECTION)
{
}

void PasswordTable::InsertHeaderItem(sal_uInt16 nColumn, const OUString& rText, HeaderBarItemBits nBits)
{
    GetTheHeaderBar().InsertItem( nColumn, rText, 0, nBits );
}

void PasswordTable::Resort( bool bForced )
{
    sal_uInt16 nColumn = GetSelectedCol();
    if ( 0 == nColumn || bForced ) // only the first column is sorted
    {
        HeaderBarItemBits nBits = GetTheHeaderBar().GetItemBits(1);
        bool bUp = ( ( nBits & HeaderBarItemBits::UPARROW ) == HeaderBarItemBits::UPARROW );
        SvSortMode eMode = SortAscending;

        if ( bUp )
        {
            nBits &= ~HeaderBarItemBits::UPARROW;
            nBits |= HeaderBarItemBits::DOWNARROW;
            eMode = SortDescending;
        }
        else
        {
            nBits &= ~HeaderBarItemBits::DOWNARROW;
            nBits |= HeaderBarItemBits::UPARROW;
        }
        GetTheHeaderBar().SetItemBits( 1, nBits );
        SvTreeList* pListModel = GetModel();
        pListModel->SetSortMode( eMode );
        pListModel->Resort();
    }
}

void PasswordTable::Resize()
{
    SvSimpleTable::Resize();
    if (isInitialLayout(this))
        setColWidths();
}

void PasswordTable::setColWidths()
{
    HeaderBar &rBar = GetTheHeaderBar();
    if (rBar.GetItemCount() < 2)
        return;
    long nUserNameWidth = 12 +
        std::max(rBar.GetTextWidth(rBar.GetItemText(2)),
        GetTextWidth("XXXXXXXXXXXX"));
    long nWebSiteWidth = std::max(
        12 + rBar.GetTextWidth(rBar.GetItemText(1)),
        GetSizePixel().Width() - nUserNameWidth);
    long aStaticTabs[]= { 0, nWebSiteWidth };
    SvSimpleTable::SetTabs(SAL_N_ELEMENTS(aStaticTabs), aStaticTabs, MapUnit::MapPixel);
}

// class WebConnectionInfoDialog -----------------------------------------


WebConnectionInfoDialog::WebConnectionInfoDialog(vcl::Window* pParent)
    : ModalDialog(pParent, "StoredWebConnectionDialog", "cui/ui/storedwebconnectiondialog.ui")
    , m_nPos( -1 )
{
    get(m_pRemoveBtn, "remove");
    get(m_pRemoveAllBtn, "removeall");
    get(m_pChangeBtn, "change");

    SvSimpleTableContainer *pPasswordsLBContainer = get<SvSimpleTableContainer>("logins");
    m_pPasswordsLB = VclPtr<PasswordTable>::Create(*pPasswordsLBContainer, 0);

    long const aStaticTabs[]= { 0, 0 };
    m_pPasswordsLB->SetTabs( SAL_N_ELEMENTS(aStaticTabs), aStaticTabs );
    m_pPasswordsLB->InsertHeaderItem( 1, get<FixedText>("website")->GetText(),
        HeaderBarItemBits::LEFT | HeaderBarItemBits::VCENTER | HeaderBarItemBits::FIXEDPOS | HeaderBarItemBits::CLICKABLE | HeaderBarItemBits::UPARROW );
    m_pPasswordsLB->InsertHeaderItem( 2, get<FixedText>("username")->GetText(),
        HeaderBarItemBits::LEFT | HeaderBarItemBits::VCENTER | HeaderBarItemBits::FIXEDPOS );
    pPasswordsLBContainer->set_height_request(m_pPasswordsLB->GetTextHeight()*8);

    m_pPasswordsLB->SetHeaderBarClickHdl( LINK( this, WebConnectionInfoDialog, HeaderBarClickedHdl ) );
    m_pRemoveBtn->SetClickHdl( LINK( this, WebConnectionInfoDialog, RemovePasswordHdl ) );
    m_pRemoveAllBtn->SetClickHdl( LINK( this, WebConnectionInfoDialog, RemoveAllPasswordsHdl ) );
    m_pChangeBtn->SetClickHdl( LINK( this, WebConnectionInfoDialog, ChangePasswordHdl ) );


    FillPasswordList();

    m_pRemoveBtn->SetClickHdl( LINK( this, WebConnectionInfoDialog, RemovePasswordHdl ) );
    m_pRemoveAllBtn->SetClickHdl( LINK( this, WebConnectionInfoDialog, RemoveAllPasswordsHdl ) );
    m_pChangeBtn->SetClickHdl( LINK( this, WebConnectionInfoDialog, ChangePasswordHdl ) );
    m_pPasswordsLB->SetSelectHdl( LINK( this, WebConnectionInfoDialog, EntrySelectedHdl ) );

    m_pRemoveBtn->Enable( false );
    m_pChangeBtn->Enable( false );

    HeaderBarClickedHdl( nullptr );
}

WebConnectionInfoDialog::~WebConnectionInfoDialog()
{
    disposeOnce();
}

void WebConnectionInfoDialog::dispose()
{
    m_pPasswordsLB.disposeAndClear();
    m_pRemoveBtn.clear();
    m_pRemoveAllBtn.clear();
    m_pChangeBtn.clear();
    ModalDialog::dispose();
}

IMPL_LINK( WebConnectionInfoDialog, HeaderBarClickedHdl, SvSimpleTable*, pTable, void )
{
    m_pPasswordsLB->Resort( nullptr == pTable );
}


void WebConnectionInfoDialog::FillPasswordList()
{
    try
    {
        uno::Reference< task::XPasswordContainer2 > xMasterPasswd(
            task::PasswordContainer::create(comphelper::getProcessComponentContext()));

        if ( xMasterPasswd->isPersistentStoringAllowed() )
        {
            uno::Reference< task::XInteractionHandler > xInteractionHandler(
                task::InteractionHandler::createWithParent(comphelper::getProcessComponentContext(), nullptr),
                uno::UNO_QUERY);

            uno::Sequence< task::UrlRecord > aURLEntries = xMasterPasswd->getAllPersistent( xInteractionHandler );
            sal_Int32 nCount = 0;
            for ( sal_Int32 nURLInd = 0; nURLInd < aURLEntries.getLength(); nURLInd++ )
            {
                for ( sal_Int32 nUserInd = 0; nUserInd < aURLEntries[nURLInd].UserList.getLength(); nUserInd++ )
                {
                    SvTreeListEntry* pEntry = m_pPasswordsLB->InsertEntry(
                        aURLEntries[nURLInd].Url  + "\t" +
                        aURLEntries[nURLInd].UserList[nUserInd].UserName);
                    pEntry->SetUserData( reinterpret_cast<void*>(nCount++) );
                }
            }

            // remember pos of first url container entry.
            m_nPos = nCount;

            uno::Sequence< OUString > aUrls
                = xMasterPasswd->getUrls( true /* OnlyPersistent */ );

            for ( sal_Int32 nURLIdx = 0; nURLIdx < aUrls.getLength(); nURLIdx++ )
            {
                SvTreeListEntry* pEntry = m_pPasswordsLB->InsertEntry(
                    aUrls[nURLIdx] + "\t*");
                pEntry->SetUserData( reinterpret_cast<void*>(nCount++) );
            }
        }
    }
    catch( uno::Exception& )
    {}
}


IMPL_LINK_NOARG(WebConnectionInfoDialog, RemovePasswordHdl, Button*, void)
{
    try
    {
        SvTreeListEntry* pEntry = m_pPasswordsLB->GetCurEntry();
        if ( pEntry )
        {
            OUString aURL = SvTabListBox::GetEntryText( pEntry, 0 );
            OUString aUserName = SvTabListBox::GetEntryText( pEntry, 1 );

            uno::Reference< task::XPasswordContainer2 > xPasswdContainer(
                task::PasswordContainer::create(comphelper::getProcessComponentContext()));

            sal_Int32 nPos = static_cast<sal_Int32>(reinterpret_cast<sal_IntPtr>(pEntry->GetUserData()));
            if ( nPos < m_nPos )
            {
                xPasswdContainer->removePersistent( aURL, aUserName );
            }
            else
            {
                xPasswdContainer->removeUrl( aURL );
            }
            m_pPasswordsLB->RemoveEntry( pEntry );
        }
    }
    catch( uno::Exception& )
    {}
}


IMPL_LINK_NOARG(WebConnectionInfoDialog, RemoveAllPasswordsHdl, Button*, void)
{
    try
    {
        uno::Reference< task::XPasswordContainer2 > xPasswdContainer(
            task::PasswordContainer::create(comphelper::getProcessComponentContext()));

        // should the master password be requested before?
        xPasswdContainer->removeAllPersistent();

        uno::Sequence< OUString > aUrls
            = xPasswdContainer->getUrls( true /* OnlyPersistent */ );
        for ( sal_Int32 nURLIdx = 0; nURLIdx < aUrls.getLength(); nURLIdx++ )
            xPasswdContainer->removeUrl( aUrls[ nURLIdx ] );

        m_pPasswordsLB->Clear();
    }
    catch( uno::Exception& )
    {}
}


IMPL_LINK_NOARG(WebConnectionInfoDialog, ChangePasswordHdl, Button*, void)
{
    try
    {
        SvTreeListEntry* pEntry = m_pPasswordsLB->GetCurEntry();
        if ( pEntry )
        {
            OUString aURL = SvTabListBox::GetEntryText( pEntry, 0 );
            OUString aUserName = SvTabListBox::GetEntryText( pEntry, 1 );

            ::comphelper::SimplePasswordRequest* pPasswordRequest
                  = new ::comphelper::SimplePasswordRequest;
            uno::Reference< task::XInteractionRequest > rRequest( pPasswordRequest );

            uno::Reference< task::XInteractionHandler > xInteractionHandler(
                task::InteractionHandler::createWithParent(comphelper::getProcessComponentContext(), nullptr),
                uno::UNO_QUERY );
            xInteractionHandler->handle( rRequest );

            if ( pPasswordRequest->isPassword() )
            {
                OUString aNewPass = pPasswordRequest->getPassword();
                uno::Sequence<OUString> aPasswd { aNewPass };

                uno::Reference< task::XPasswordContainer2 > xPasswdContainer(
                    task::PasswordContainer::create(comphelper::getProcessComponentContext()));
                xPasswdContainer->addPersistent(
                    aURL, aUserName, aPasswd, xInteractionHandler );
            }
        }
    }
    catch( uno::Exception& )
    {}
}


IMPL_LINK_NOARG(WebConnectionInfoDialog, EntrySelectedHdl, SvTreeListBox*, void)
{
    SvTreeListEntry* pEntry = m_pPasswordsLB->GetCurEntry();
    if ( !pEntry )
    {
        m_pRemoveBtn->Enable( false );
        m_pChangeBtn->Enable( false );
    }
    else
    {
        m_pRemoveBtn->Enable();

        // url container entries (-> use system credentials) have
        // no password
        sal_Int32 nPos = static_cast<sal_Int32>(reinterpret_cast<sal_IntPtr>(pEntry->GetUserData()));
        m_pChangeBtn->Enable( nPos < m_nPos );
    }
}


}


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