#include "Python.h"

#include "GL/gl.h"
#include "GL/glext.h"

//#include "cppgfx.h"

/*
#include <IL/il.h>
#include <IL/ilu.h>
#include <IL/ilut.h>
*/

static PyObject*
gfx_getMaxTextures(PyObject* self, PyObject* args)
{
    GLint m;
    glGetIntegerv(GL_MAX_TEXTURE_UNITS, &m);
    return PyInt_FromLong(m);
};

static PyObject*
gfx_loadFonts(PyObject* self, PyObject* args)
{
    //if (!loadFont())
    //{
    //    PyErr_SetString(PyExc_RuntimeError, "c++ side loadFont returned error");
    //    return NULL;
    //};
    Py_RETURN_NONE;
};


static PyObject*
gfx_removeFonts(PyObject* self, PyObject* args)
{
    //removeFonts();
    Py_RETURN_NONE;
};


static PyObject*
gfx_renderString(PyObject* self, PyObject* args)
{
    //const char* string;
    //if (!PyArg_ParseTuple(args, "s", &string))
    //{
    //    PyErr_SetString(PyExc_RuntimeError, "renderString expects one string as an argument");
    //    return NULL;
    //};
    
    //renderString(string);
    Py_RETURN_NONE;
};

static PyObject*
gfx_stringExtents(PyObject* self, PyObject* args)
{
    //const char* string;
    //float llx, lly, urx, ury;
    //if (!PyArg_ParseTuple(args, "s", &string))
    //{
    //    PyErr_SetString(PyExc_RuntimeError, "stringExtents expects one string as an argument");
    //    return NULL;
    //}
    //stringExtents(string, &llx, &lly, &urx, &ury);

    return Py_BuildValue("ffff", 0.0, 0.0, 0.0, 0.0);
};

/*
static PyObject*
gfx_initDevil(PyObject* self, PyObject* args)
{
    ilInit();
    iluInit();
    ilutRenderer(ILUT_OPENGL);

    Py_RETURN_NONE;
};

static PyObject*
gfx_initGlew(PyObject* self, PyObject* args)
{
    glewInit();
    Py_RETURN_NONE;
};


static PyObject*
gfx_loadImage(PyObject* self, PyObject* args)
{
    char* filename;
    unsigned int iid;
    
    if (!PyArg_ParseTuple(args, "s", &filename))
    {
        PyErr_SetString(PyExc_RuntimeError, "loadImage expects one string as an argument");
        return NULL;
    };

    ilGenImages(1, &iid);
    ilBindImage(iid);
    ilLoadImage(filename);
    if (ilGetError() != IL_NO_ERROR)
    {
        PyErr_SetString(PyExc_RuntimeError, "ilLoadImage returned with error");
        return NULL;
    }

    return Py_BuildValue("I", iid);
};


static PyObject*
gfx_deleteImage(PyObject* self, PyObject* args)
{
    unsigned int iid;
    if (!PyArg_ParseTuple(args, "I", &iid))
    {
        PyErr_SetString(PyExc_RuntimeError, "deleteImage expects one integer as an argument");
        return NULL;
    }
    ilDeleteImages(1, &iid);
    Py_RETURN_NONE;
};


static PyObject*
gfx_imgTexId(PyObject* self, PyObject* args)
{
    unsigned int iid;
    unsigned int tid;
    if (!PyArg_ParseTuple(args, "I", &iid))
    {
        PyErr_SetString(PyExc_RuntimeError, "deleteImage expects one integer as an argument");
        return NULL;
    }
    ilBindImage(iid);
    tid = ilutGLBindMipmaps();
    return Py_BuildValue("I", tid);
};

*/

static PyMethodDef gfxMethods[] = {
    {"getMaxTextures",  gfx_getMaxTextures, METH_VARARGS, "load fonts"},

    {"loadFonts",       gfx_loadFonts     , METH_VARARGS, "load fonts"},
    {"removeFonts",     gfx_removeFonts   , METH_VARARGS, "load fonts"},
    {"renderString",    gfx_renderString  , METH_VARARGS, "load fonts"},
    {"stringExtents",   gfx_stringExtents , METH_VARARGS, "load fonts"},
    
    /*
    {"initGlew",        gfx_initGlew      , METH_VARARGS, "load fonts"},
    {"initDevil",       gfx_initDevil     , METH_VARARGS, "load fonts"},
    {"loadImage",       gfx_loadImage     , METH_VARARGS, "load fonts"},
    {"deleteImage",     gfx_deleteImage   , METH_VARARGS, "load fonts"},
    {"imgTexId",        gfx_imgTexId      , METH_VARARGS, "load fonts"},
    */
    
    {NULL, NULL, 0, NULL}
};

PyMODINIT_FUNC
initgfx(void)
{
    PyObject *m;
    m = Py_InitModule("gfx", gfxMethods);
};