/*
 *  The Mana World
 *  Copyright (C) 2004  The Mana World Development Team
 *
 *  This file is part of The Mana World.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  any later version.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <sstream>

#include "button.h"
#include "listbox.h"
#include "npc_text.h"
#include "npclistdialog.h"
#include "scrollarea.h"

#include "widgets/layout.h"

#include "../npc.h"

#include "../net/messageout.h"
#ifdef TMWSERV_SUPPORT
#include "../net/tmwserv/gameserver/player.h"
#else
#include "../net/ea/protocol.h"
#endif

#include "../utils/gettext.h"
#include "../utils/strprintf.h"

#ifdef TMWSERV_SUPPORT
NpcListDialog::NpcListDialog()
#else
NpcListDialog::NpcListDialog(Network *network)
#endif
    : Window("NPC")
#ifdef EATHENA_SUPPORT
    , mNetwork(network)
#endif
{
    setWindowName("NPCList");
    setResizable(true);

    setMinWidth(200);
    setMinHeight(150);

    setDefaultSize(260, 200, ImageRect::CENTER);

    mItemList = new ListBox(this);
    mItemList->setWrappingEnabled(true);

    gcn::ScrollArea *scrollArea = new ScrollArea(mItemList);

    gcn::Button *okButton = new Button(_("OK"), "ok", this);
    gcn::Button *cancelButton = new Button(_("Cancel"), "cancel", this);

    setContentSize(260, 175);
    scrollArea->setHorizontalScrollPolicy(gcn::ScrollArea::SHOW_NEVER);

    place(0, 0, scrollArea, 5).setPadding(3);
    place(3, 1, cancelButton);
    place(4, 1, okButton);

    Layout &layout = getLayout();
    layout.setRowHeight(0, Layout::AUTO_SET);

    center();
    loadWindowState();
}

int NpcListDialog::getNumberOfElements()
{
    return mItems.size();
}

std::string NpcListDialog::getElementAt(int i)
{
    return mItems[i];
}

void NpcListDialog::addItem(const std::string &item)
{
    mItems.push_back(item);
}

void NpcListDialog::parseItems(const std::string &itemString)
{
    std::istringstream iss(itemString);

    std::string tmp;
    while (getline(iss, tmp, ':'))
        mItems.push_back(tmp);
}

void NpcListDialog::reset()
{
    NPC::isTalking = false;
    mItemList->setSelected(-1);
    mItems.clear();
}

void NpcListDialog::action(const gcn::ActionEvent &event)
{
    int choice = 0;
    if (event.getId() == "ok")
    {
        // Send the selected index back to the server
        int selectedIndex = mItemList->getSelected();

        if (selectedIndex > -1)
        {
            choice = selectedIndex + 1;
            npcTextDialog->addText(strprintf("\n> \"%s\"\n",
                                              mItems[selectedIndex].c_str()));
        }
    }
    else if (event.getId() == "cancel")
    {
        choice = 0xff; // 0xff means cancel
        npcTextDialog->addText(_("\n> Cancel\n"));
        npcTextDialog->showCloseButton();
    }

    if (choice)
    {
        setVisible(false);
        saveWindowState();
        reset();

#ifdef TMWSERV_SUPPORT
        Net::GameServer::Player::selectFromNPC(current_npc, choice);
#else
        MessageOut outMsg(mNetwork);
        outMsg.writeInt16(CMSG_NPC_LIST_CHOICE);
        outMsg.writeInt32(current_npc);
        outMsg.writeInt8(choice);
#endif
    }
}

void NpcListDialog::setVisible(bool visible)
{
    if (visible) {
        npcTextDialog->setVisible(true);
        requestFocus();
    }

    Window::setVisible(visible);
}

void NpcListDialog::requestFocus()
{
    mItemList->requestFocus();
    mItemList->setSelected(0);
    loadWindowState();
    setVisible(true);
}