/**
 * This code is part of MaNGOS. Contributor & Copyright details are in AUTHORS/THANKS.
 *
 * 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
 * (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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#define _CRT_SECURE_NO_WARNINGS
#include "vmapexport.h"
#include "wdtfile.h"
#include "adtfile.h"
#include <cstdio>

char* wdtGetPlainName(char* FileName)
{
    char* szTemp;

    if ((szTemp = strrchr(FileName, '\\')) != NULL)
        FileName = szTemp + 1;
    return FileName;
}

extern HANDLE WorldMpq;

WDTFile::WDTFile(char* file_name, char* file_name1): WDT(WorldMpq, file_name)
{
    filename.append(file_name1, strlen(file_name1));
}

bool WDTFile::init(char* map_id, unsigned int mapID)
{
    if (WDT.isEof())
    {
        //printf("Can't find WDT file.\n");
        return false;
    }

    char fourcc[5];
    uint32 size;

    std::string dirname = std::string(szWorkDirWmo) + "/dir_bin";
    FILE* dirfile;
    dirfile = fopen(dirname.c_str(), "ab");
    if (!dirfile)
    {
        printf("Can't open dirfile!'%s'\n", dirname.c_str());
        return false;
    }

    while (!WDT.isEof())
    {
        WDT.read(fourcc, 4);
        WDT.read(&size, 4);

        flipcc(fourcc);
        fourcc[4] = 0;

        size_t nextpos = WDT.getPos() + size;

        if (!strcmp(fourcc, "MAIN"))
        {
        }
        if (!strcmp(fourcc, "MWMO"))
        {
            // global map objects
            if (size)
            {
                char* buf = new char[size];
                WDT.read(buf, size);
                char* p = buf;
                int q = 0;
                gWmoInstansName = new string[size];
                while (p < buf + size)
                {
                    string path(p);
                    char* s = wdtGetPlainName(p);
                    fixnamen(s, strlen(s));
                    p = p + strlen(p) + 1;
                    gWmoInstansName[q++] = s;
                }
                delete[] buf;
            }
        }
        else if (!strcmp(fourcc, "MODF"))
        {
            // global wmo instance data
            if (size)
            {
                gnWMO = (int)size / 64;
                string gWMO_mapname;
                string fake_mapname;
                fake_mapname = "65 65 ";
                //gWMO_mapname = fake_mapname + filename;
                gWMO_mapname = fake_mapname + std::string(map_id);
                for (int i = 0; i < gnWMO; ++i)
                {
                    int id;
                    WDT.read(&id, 4);
                    WMOInstance inst(WDT, gWmoInstansName[id].c_str(), mapID, 65, 65, dirfile);
                }
                delete[] gWmoInstansName;
            }
        }
        WDT.seek((int)nextpos);
    }

    WDT.close();
    fclose(dirfile);
    return true;
}

WDTFile::~WDTFile(void)
{
    WDT.close();
}

ADTFile* WDTFile::GetMap(int x, int z)
{
    if (!(x >= 0 && z >= 0 && x < 64 && z < 64))
        return NULL;

    char name[512];

    sprintf(name, "World\\Maps\\%s\\%s_%d_%d_obj0.adt", filename.c_str(), filename.c_str(), x, z);
    return new ADTFile(name);
}