/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011  Cyan Worlds, Inc.

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 3 of the License, or
(at your option) 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, see <http://www.gnu.org/licenses/>.

Additional permissions under GNU GPL version 3 section 7

If you modify this Program, or any covered work, by linking or
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
(or a modified version of those libraries),
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
licensors of this Program grant you additional
permission to convey the resulting work. Corresponding Source for a
non-source form of such a combination shall include the source code for
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
work.

You can contact Cyan Worlds, Inc. by email legal@cyan.com
 or by snail mail at:
      Cyan Worlds, Inc.
      14617 N Newport Hwy
      Mead, WA   99021

*==LICENSE==*/

#include "HeadSpin.h"
#include <algorithm>

#include "plComponentBase.h"
#include "MaxMain/plMaxNodeBase.h"
#include "resource.h"

#include "plResponderGetComp.h"
#include "MaxMain/MaxAPI.h"
#include "MaxMain/plMaxAccelerators.h"

plResponderGetComp& plResponderGetComp::Instance()
{
    static plResponderGetComp theInstance;
    return theInstance;
}

bool plResponderGetComp::GetComp(IParamBlock2 *pb, int nodeID, int compID, ClassIDs *classIDs)
{
    fPB = pb;
    fNodeID = nodeID;
    fCompID = compID;
    fClassIDs = classIDs;

    plMaxAccelerators::Disable();

    INT_PTR ret = DialogBox(hInstance,
                        MAKEINTRESOURCE(IDD_COMP_RESPOND_ANIMPICK),
                        GetCOREInterface()->GetMAXHWnd(),
                        ForwardDlgProc);

    plMaxAccelerators::Enable();

    return (ret != 0);
}

plComponentBase *plResponderGetComp::GetSavedComp(IParamBlock2 *pb, int nodeID, int compID, bool convertTime)
{
    plMaxNodeBase *node = (plMaxNodeBase*)pb->GetReferenceTarget(nodeID);
    // This value could be whack, only use if node is valid
    plMaxNodeBase *comp = (plMaxNodeBase*)pb->GetReferenceTarget(compID);

    if (!node || (convertTime && !node->CanConvert()) || !comp)
        return nullptr;

    int numComps = node->NumAttachedComponents();
    for (int i = 0; i < numComps; i++)
    {
        plComponentBase *thisComp = node->GetAttachedComponent(i);
        if (thisComp->GetINode() == comp)
            return thisComp;
    }

    return nullptr;
}
void plResponderGetComp::IFindCompsRecur(plMaxNodeBase *node, NodeSet& nodes)
{
    plComponentBase *comp = node->ConvertToComponent();
    if (comp)
    {
        // If we're not filtering, or we are and this component is in our accepted list, add it
        if (!fClassIDs ||
            std::find(fClassIDs->begin(), fClassIDs->end(), comp->ClassID()) != fClassIDs->end())
        {
            nodes.insert(node);
        }
    }

    for (int i = 0; i < node->NumberOfChildren(); i++)
        IFindCompsRecur((plMaxNodeBase*)node->GetChildNode(i), nodes);
}

void plResponderGetComp::ILoadNodes(plMaxNodeBase *compNode, HWND hDlg)
{
    HWND hNodes = GetDlgItem(hDlg, IDC_OBJ_LIST);
    ListBox_ResetContent(hNodes);

    plComponentBase *comp = compNode ? compNode->ConvertToComponent() : nullptr;
    if (!comp)
        return;

    plMaxNodeBase *savedNode = (plMaxNodeBase*)fPB->GetReferenceTarget(fNodeID);

    for (int i = 0; i < comp->NumTargets(); i++)
    {
        plMaxNodeBase *node = comp->GetTarget(i);
        if (node)
        {
            int idx = ListBox_AddString(hNodes, node->GetName());
            ListBox_SetItemData(hNodes, idx, node);

            if (savedNode == node)
                ListBox_SetCurSel(hNodes, idx);
        }
    }
}

INT_PTR CALLBACK plResponderGetComp::ForwardDlgProc(HWND hDlg, UINT msg, WPARAM wParam, LPARAM lParam)
{
    return Instance().DlgProc(hDlg, msg, wParam, lParam);
}

INT_PTR plResponderGetComp::DlgProc(HWND hDlg, UINT msg, WPARAM wParam, LPARAM lParam)
{
    switch (msg)
    {
    case WM_INITDIALOG:
        {
            NodeSet nodes;
            IFindCompsRecur((plMaxNodeBase*)GetCOREInterface()->GetRootNode(), nodes);

            HWND hComps = GetDlgItem(hDlg, IDC_COMP_LIST);

            plMaxNodeBase *node = (plMaxNodeBase*)fPB->GetReferenceTarget(fCompID);

            for (NodeSet::iterator it = nodes.begin(); it != nodes.end(); it++)
            {
                int idx = ListBox_AddString(hComps, (*it)->GetName());
                ListBox_SetItemData(hComps, idx, *it);

                if (*it == node)
                    ListBox_SetCurSel(hComps, idx);
            }

            ILoadNodes(node, hDlg);
        }
        return TRUE;

    case WM_COMMAND:
        if (HIWORD(wParam) == BN_CLICKED && LOWORD(wParam) == IDCANCEL)
        {
            EndDialog(hDlg, 0);
            return TRUE;
        }
        else if (HIWORD(wParam) == BN_CLICKED && LOWORD(wParam) == IDOK)
        {
            // Get the selected node
            HWND hNode = GetDlgItem(hDlg, IDC_OBJ_LIST);
            int idx = ListBox_GetCurSel(hNode);
            plMaxNodeBase *node = nullptr;
            if (idx != LB_ERR)
                node = (plMaxNodeBase*)ListBox_GetItemData(hNode, idx);

            // Get the selected component
            HWND hComp = GetDlgItem(hDlg, IDC_COMP_LIST);
            idx = ListBox_GetCurSel(hComp);
            plMaxNodeBase *comp = nullptr;
            if (idx != LB_ERR)
                comp = (plMaxNodeBase*)ListBox_GetItemData(hComp, idx);

            // If both were selected, save them in the PB and as the last setting
            if (node && comp)
            {
#if 0
                if (fType == kFindAnim)
                {
                    fLastAnimObj = obj->GetHandle();
                    fLastAnimComp = comp->GetHandle();
                }
                else if (fType == kFindSound)
                {
                    fLastSoundObj = obj->GetHandle();
                    fLastSoundComp = comp->GetHandle();
                }
#endif
                fPB->SetValue(fNodeID, 0, (ReferenceTarget*)node);
                fPB->SetValue(fCompID, 0, (ReferenceTarget*)comp);
                
                EndDialog(hDlg, 1);
            }
            else
                EndDialog(hDlg, 0);

            return TRUE;
        }
        else if (HIWORD(wParam) == LBN_SELCHANGE)
        {
            if (LOWORD(wParam) == IDC_COMP_LIST)
            {
                int idx = ListBox_GetCurSel((HWND)lParam);
                plMaxNodeBase *node = (plMaxNodeBase*)ListBox_GetItemData((HWND)lParam, idx);
                ILoadNodes(node, hDlg);
            }
        }
        break;
    }

    return FALSE;
}

///////////////////////////////////////////////////////////////////////////

#include "plPickNode.h"

void plResponderCompNode::Init(IParamBlock2 *pb, int compID, int nodeID, int compResID, int nodeResID, ClassIDs *compCIDs)
{
    fPB = pb;
    fCompID = compID;
    fNodeID = nodeID;
    fCompResID = compResID;
    fNodeResID = nodeResID;

    if (compCIDs)
        fCompCIDs = *compCIDs;
}

void plResponderCompNode::InitDlg(HWND hWnd)
{
    IValidate();

    IUpdateNodeButton(hWnd);
    IUpdateCompButton(hWnd);
}

bool plResponderCompNode::IValidate()
{
    plMaxNodeBase *savedComp = (plMaxNodeBase*)fPB->GetReferenceTarget(fCompID);
    plComponentBase *comp = savedComp ? savedComp->ConvertToComponent() : nullptr;
    plMaxNodeBase *node = (plMaxNodeBase*)fPB->GetReferenceTarget(fNodeID);
    if (comp && node)
    {
        // Make sure the selected comp has the correct CID
        if (fCompCIDs.size() > 0)
        {
            Class_ID compCID = comp->ClassID();
            bool foundCID = false;
            for (int i = 0; i < fCompCIDs.size(); i++)
            {
                if (fCompCIDs[i] == compCID)
                    foundCID = true;
            }

            if (!foundCID)
            {
                fPB->SetValue(fCompID, 0, (INode*)nullptr);
                fPB->SetValue(fNodeID, 0, (INode*)nullptr);
                return false;
            }
        }

        // Make sure the comp is really attached to the node
        if (comp->IsTarget(node))
            return true;
        else
            fPB->SetValue(fNodeID, 0, (INode*)nullptr);
    }

    return false;
}

void plResponderCompNode::CompButtonPress(HWND hWnd)
{
    plPick::Node(fPB, fCompID, &fCompCIDs, true, false);

    IUpdateCompButton(hWnd);
    IUpdateNodeButton(hWnd);
}

void plResponderCompNode::NodeButtonPress(HWND hWnd)
{
    plMaxNodeBase *node = (plMaxNodeBase*)fPB->GetReferenceTarget(fCompID);
    plComponentBase *comp = node ? node->ConvertToComponent() : nullptr;
    if (comp)
        plPick::CompTargets(fPB, fNodeID, comp);

    IUpdateNodeButton(hWnd);
}

void plResponderCompNode::IUpdateCompButton(HWND hWnd)
{
    HWND hComp = GetDlgItem(hWnd, fCompResID);

    plMaxNodeBase *savedComp = (plMaxNodeBase*)fPB->GetReferenceTarget(fCompID);

    if (savedComp)
        SetWindowText(hComp, savedComp->GetName());
    else
        SetWindowText(hComp, _T("(none)"));
}

void plResponderCompNode::IUpdateNodeButton(HWND hWnd)
{
    HWND hNode = GetDlgItem(hWnd, fNodeResID);

    // If there is no component, disable the node button
    plMaxNodeBase *node = (plMaxNodeBase*)fPB->GetReferenceTarget(fCompID);
    plComponentBase *comp = node ? node->ConvertToComponent() : nullptr;
    if (!comp)
    {
        EnableWindow(hNode, FALSE);
        SetWindowText(hNode, _T("(none)"));
        return;
    }
    EnableWindow(hNode, TRUE);

    plMaxNodeBase *objNode = (plMaxNodeBase*)fPB->GetReferenceTarget(fNodeID);
    if (objNode && comp->IsTarget(objNode))
        SetWindowText(hNode, objNode->GetName());
    else
        SetWindowText(hNode, _T("(none)"));
}

bool plResponderCompNode::GetCompAndNode(plComponentBase*& comp, plMaxNodeBase*& node)
{
    if (!IValidate())
    {
        comp = nullptr;
        node = nullptr;
        return false;
    }

    plMaxNodeBase *savedComp = (plMaxNodeBase*)fPB->GetReferenceTarget(fCompID);
    comp = savedComp ? savedComp->ConvertToComponent() : nullptr;
    node = (plMaxNodeBase*)fPB->GetReferenceTarget(fNodeID);

    return true;
}
