#include <iostream>
#include <cstdio>
#include <string.h>
#include "cubemap.h"

#ifndef __CUBEMAP_H
#define __CUBEMAP_H
#include <zlib.h>
typedef unsigned char uchar;

struct ogzHeader             // map file format header
{
    char magic[4];              // "OCTA"
    int version;                // any >8bit quantity is little endian
    int headersize;             // sizeof(header)
    int worldsize;
    int numents;
    int numpvs;
    int lightmaps;
    int lightprecision, lighterror, lightlod;
    uchar ambient;
    uchar watercolour[3];
    uchar blendmap;
    uchar lerpangle, lerpsubdiv, lerpsubdivsize;
    uchar bumperror;
    uchar skylight[3];
    uchar lavacolour[3];
    uchar waterfallcolour[3];
    uchar reserved[10];
    char maptitle[128];
};

class SauerMap
{
    public:
        SauerMap(char *);
        void PrintMapData();
        char *GetMagic();

    private:
        ogzHeader header;
        gzFile MapFile;
};
#endif

SauerMap::SauerMap(char *filename)
{
    MapFile = gzopen(filename, "r");
    if(!MapFile)
    {
        std::cout << "ERROR: Failed to load \"" << filename << "\"" << std::endl;
        return;
    }
    gzread(MapFile, &header, sizeof(ogzHeader));
}

void SauerMap::PrintMapData()
{
    std::cout << "header " << header.magic << std::endl;
    std::cout << "version " << header.version << std::endl;
    std::cout << "headersize " << header.headersize << std::endl;
    std::cout << "worldsize " << header.worldsize << std::endl;
    std::cout << "numents " << header.numents << std::endl;
    std::cout << "numpvs " << header.numpvs << std::endl;
    std::cout << "lightmaps " << header.lightmaps << std::endl;
    std::cout << "blendmap " << header.blendmap << std::endl;
    std::cout << "lightprecision " << header.lightprecision << std::endl;
    std::cout << "lighterror " << header.lighterror << std::endl;
    std::cout << "lightlod " << header.lightlod << std::endl;

    std::cout << "ambient " << header.ambient << std::endl;
    std::cout << "watercolour " << header.watercolour << std::endl;
    std::cout << "lerpangle " << header.lerpangle << std::endl;
    std::cout << "lerpsubdiv " << header.lerpsubdiv << std::endl;
    std::cout << "lerpsubdivsize " << header.lerpsubdivsize << std::endl;
    std::cout << "maptitle " << header.maptitle << std::endl;
}

char *SauerMap::GetMagic()
{
    return header.magic;
};

int main(int argc, char *argv[])
{
    if(argc > 1){
        SauerMap ch(argv[1]);
        if(strcmp(ch.GetMagic(),"OCTA"))
        {
            ch.PrintMapData();
            std::cout<<"SUCCESS "<< argv[1] << " is a cube2 map " << std::endl;
        }else std::cout<<"ERROR: "<< argv[1] <<" is not a valid Cube 2 map" << std::endl;
    }else std::cout<<"ERROR: Usage c2mapreader.exe <mapname>"<<std::endl;
    return 0;
}