/*==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.
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*==LICENSE==*/
#include "pyColor.h"

#include <Python.h>

// glue functions
PYTHON_CLASS_DEFINITION(ptColor, pyColor);

PYTHON_DEFAULT_NEW_DEFINITION(ptColor, pyColor)
PYTHON_DEFAULT_DEALLOC_DEFINITION(ptColor)

PYTHON_INIT_DEFINITION(ptColor, args, keywords)
{
    char *kwlist[] = {"red", "green", "blue", "alpha", NULL};
    PyObject* redObj = NULL;
    PyObject* greenObj = NULL;
    PyObject* blueObj = NULL;
    PyObject* alphaObj = NULL;
    float red = 0.0f, green = 0.0f, blue = 0.0f, alpha = 0.0f;
    if (!PyArg_ParseTupleAndKeywords(args, keywords, "|OOOO", kwlist, &redObj, &greenObj, &blueObj, &alphaObj))
    {
        PyErr_SetString(PyExc_TypeError, "__init__ expects four optional floats");
        PYTHON_RETURN_INIT_ERROR;
    }
    // extra code to allow ints if people are lazy
    if (redObj)
    {
        if (PyFloat_Check(redObj))
            red = (float)PyFloat_AsDouble(redObj);
        else if (PyInt_Check(redObj))
            red = (float)PyInt_AsLong(redObj);
        else
        {
            PyErr_SetString(PyExc_TypeError, "__init__ expects four optional floats");
            PYTHON_RETURN_INIT_ERROR;
        }
    }
    if (greenObj)
    {
        if (PyFloat_Check(greenObj))
            green = (float)PyFloat_AsDouble(greenObj);
        else if (PyInt_Check(greenObj))
            green = (float)PyInt_AsLong(greenObj);
        else
        {
            PyErr_SetString(PyExc_TypeError, "__init__ expects four optional floats");
            PYTHON_RETURN_INIT_ERROR;
        }
    }
    if (blueObj)
    {
        if (PyFloat_Check(blueObj))
            blue = (float)PyFloat_AsDouble(blueObj);
        else if (PyInt_Check(blueObj))
            blue = (float)PyInt_AsLong(blueObj);
        else
        {
            PyErr_SetString(PyExc_TypeError, "__init__ expects four optional floats");
            PYTHON_RETURN_INIT_ERROR;
        }
    }
    if (alphaObj)
    {
        if (PyFloat_Check(alphaObj))
            alpha = (float)PyFloat_AsDouble(alphaObj);
        else if (PyInt_Check(alphaObj))
            alpha = (float)PyInt_AsLong(alphaObj);
        else
        {
            PyErr_SetString(PyExc_TypeError, "__init__ expects four optional floats");
            PYTHON_RETURN_INIT_ERROR;
        }
    }

    self->fThis->setRed(red);
    self->fThis->setGreen(green);
    self->fThis->setBlue(blue);
    self->fThis->setAlpha(alpha);

    PYTHON_RETURN_INIT_OK;
}

PYTHON_RICH_COMPARE_DEFINITION(ptColor, obj1, obj2, compareType)
{
    if ((obj1 == Py_None) || (obj2 == Py_None) || !pyColor::Check(obj1) || !pyColor::Check(obj2))
    {
        // if they aren't the same type, they don't match, obviously (we also never equal none)
        if (compareType == Py_EQ)
            PYTHON_RCOMPARE_FALSE;
        else if (compareType == Py_NE)
            PYTHON_RCOMPARE_TRUE;
        else
        {
            PyErr_SetString(PyExc_NotImplementedError, "invalid comparison for a ptColor object");
            PYTHON_RCOMPARE_ERROR;
        }
    }
    pyColor *color1 = pyColor::ConvertFrom(obj1);
    pyColor *color2 = pyColor::ConvertFrom(obj2);
    if (compareType == Py_EQ)
    {
        if ((*color1) == (*color2))
            PYTHON_RCOMPARE_TRUE;
        PYTHON_RCOMPARE_FALSE;
    }
    else if (compareType == Py_NE)
    {
        if ((*color1) != (*color2))
            PYTHON_RCOMPARE_TRUE;
        PYTHON_RCOMPARE_FALSE;
    }
    PyErr_SetString(PyExc_NotImplementedError, "invalid comparison for a ptColor object");
    PYTHON_RCOMPARE_ERROR;
}
// quick and easy macro for making element get functions
#define GET_ELEMENT_FUNC(funcName) \
    PYTHON_METHOD_DEFINITION_NOARGS(ptColor, funcName) \
{ \
    return PyFloat_FromDouble((double)self->fThis->funcName()); \
}

GET_ELEMENT_FUNC(getRed)
GET_ELEMENT_FUNC(getGreen)
GET_ELEMENT_FUNC(getBlue)
GET_ELEMENT_FUNC(getAlpha)

// quick and easy macro for making element set functions
#define SET_ELEMENT_FUNC(funcName) \
    PYTHON_METHOD_DEFINITION(ptColor, funcName, args) \
{ \
    float value; \
    if (!PyArg_ParseTuple(args, "f", &value)) \
{ \
    PyErr_SetString(PyExc_TypeError, #funcName " expects a float"); \
    PYTHON_RETURN_ERROR; \
} \
    self->fThis->funcName(value); \
    PYTHON_RETURN_NONE; \
}

SET_ELEMENT_FUNC(setRed)
SET_ELEMENT_FUNC(setGreen)
SET_ELEMENT_FUNC(setBlue)
SET_ELEMENT_FUNC(setAlpha)

// quick and easy macro for the color functions
#define COLOR_FUNC(funcName, classFunc) \
    PYTHON_METHOD_DEFINITION_NOARGS(ptColor, funcName) \
{ \
    self->fThis->classFunc(); /* set the internal color */ \
    Py_INCREF((PyObject*)self); /* incref it because we have to return a new reference */ \
    return (PyObject*)self; /* and return ourself */ \
}

COLOR_FUNC(white, White)
COLOR_FUNC(black, Black)
COLOR_FUNC(red, Red)
COLOR_FUNC(green, Green)
COLOR_FUNC(blue, Blue)
COLOR_FUNC(magenta, Magenta)
COLOR_FUNC(cyan, Cyan)
COLOR_FUNC(yellow, Yellow)
COLOR_FUNC(brown, Brown)
COLOR_FUNC(gray, Gray)
COLOR_FUNC(orange, Orange)
COLOR_FUNC(pink, Pink)
COLOR_FUNC(darkbrown, DarkBrown)
COLOR_FUNC(darkgreen, DarkGreen)
COLOR_FUNC(darkpurple, DarkPurple)
COLOR_FUNC(navyblue, NavyBlue)
COLOR_FUNC(maroon, Maroon)
COLOR_FUNC(tan, Tan)
COLOR_FUNC(slateblue, SlateBlue)
COLOR_FUNC(steelblue, SteelBlue)

PYTHON_START_METHODS_TABLE(ptColor)
    PYTHON_METHOD_NOARGS(ptColor, getRed, "Get the red component of the color"),
    PYTHON_METHOD_NOARGS(ptColor, getGreen, "Get the green component of the color"),
    PYTHON_METHOD_NOARGS(ptColor, getBlue, "Get the blue component of the color"),
    PYTHON_METHOD_NOARGS(ptColor, getAlpha, "Get the alpha blend component of the color"),
    
    PYTHON_METHOD(ptColor, setRed, "Params: red\nSet the red component of the color. 0.0 to 1.0"),
    PYTHON_METHOD(ptColor, setGreen, "Params: green\nSet the green component of the color. 0.0 to 1.0"),
    PYTHON_METHOD(ptColor, setBlue, "Params: blue\nSet the blue component of the color. 0.0 to 1.0"),
    PYTHON_METHOD(ptColor, setAlpha, "Params: alpha\nSet the alpha blend component of the color. 0.0 to 1.0"),
    
    PYTHON_METHOD_NOARGS(ptColor, white, "Sets the color to be white\n"
                "Example: white = ptColor().white()"),
    PYTHON_METHOD_NOARGS(ptColor, black, "Sets the color to be black\n"
                "Example: black = ptColor().black()"),
    PYTHON_METHOD_NOARGS(ptColor, red, "Sets the color to be red\n"
                "Example: red = ptColor().red()"),
    PYTHON_METHOD_NOARGS(ptColor, green, "Sets the color to be green\n"
                "Example: green = ptColor().green()"),
    PYTHON_METHOD_NOARGS(ptColor, blue, "Sets the color to be blue\n"
                "Example: blue = ptColor().blue()"),
    PYTHON_METHOD_NOARGS(ptColor, magenta, "Sets the color to be magenta\n"
                "Example: magenta = ptColor().magenta()"),
    PYTHON_METHOD_NOARGS(ptColor, cyan, "Sets the color to be cyan\n"
                "Example: cyan = ptColor.cyan()"),
    PYTHON_METHOD_NOARGS(ptColor, yellow, "Sets the color to be yellow\n"
                "Example: yellow = ptColor().yellow()"),
    PYTHON_METHOD_NOARGS(ptColor, brown, "Sets the color to be brown\n"
                "Example: brown = ptColor().brown()"),
    PYTHON_METHOD_NOARGS(ptColor, gray, "Sets the color to be gray\n"
                "Example: gray = ptColor().gray()"),
    PYTHON_METHOD_NOARGS(ptColor, orange, "Sets the color to be orange\n"
                "Example: orange = ptColor().orange()"),
    PYTHON_METHOD_NOARGS(ptColor, pink, "Sets the color to be pink\n"
                "Example: pink = ptColor().pink()"),
    PYTHON_METHOD_NOARGS(ptColor, darkbrown, "Sets the color to be darkbrown\n"
                "Example: darkbrown = ptColor().darkbrown()"),
    PYTHON_METHOD_NOARGS(ptColor, darkgreen, "Sets the color to be darkgreen\n"
                "Example: darkgreen = ptColor().darkgreen()"),
    PYTHON_METHOD_NOARGS(ptColor, darkpurple, "Sets the color to be darkpurple\n"
                "Example: darkpurple = ptColor().darkpurple()"),
    PYTHON_METHOD_NOARGS(ptColor, navyblue, "Sets the color to be navyblue\n"
                "Example: navyblue = ptColor().navyblue()"),
    PYTHON_METHOD_NOARGS(ptColor, maroon, "Sets the color to be maroon\n"
                "Example: maroon = ptColor().maroon()"),
    PYTHON_METHOD_NOARGS(ptColor, tan, "Sets the color to be tan\n"
                "Example: tan = ptColor().tan()"),
    PYTHON_METHOD_NOARGS(ptColor, slateblue, "Sets the color to be slateblue\n"
                "Example: slateblue = ptColor().slateblue()"),
    PYTHON_METHOD_NOARGS(ptColor, steelblue, "Sets the color to be steelblue\n"
                "Example: steelblue = ptColor().steelblue()"),
PYTHON_END_METHODS_TABLE;

// Type structure definition
#define ptColor_COMPARE         PYTHON_NO_COMPARE
#define ptColor_AS_NUMBER       PYTHON_NO_AS_NUMBER
#define ptColor_AS_SEQUENCE     PYTHON_NO_AS_SEQUENCE
#define ptColor_AS_MAPPING      PYTHON_NO_AS_MAPPING
#define ptColor_STR             PYTHON_NO_STR
#define ptColor_RICH_COMPARE    PYTHON_DEFAULT_RICH_COMPARE(ptColor)
#define ptColor_GETSET          PYTHON_NO_GETSET
#define ptColor_BASE            PYTHON_NO_BASE
PLASMA_CUSTOM_TYPE(ptColor, "Params: red=0, green=0, blue=0, alpha=0\nPlasma color class");

// required functions for PyObject interoperability
PYTHON_CLASS_NEW_IMPL(ptColor, pyColor)

PyObject *pyColor::New(float red, float green, float blue, float alpha)
{
    ptColor *newObj = (ptColor*)ptColor_type.tp_new(&ptColor_type, NULL, NULL);
    newObj->fThis->setRed(red);
    newObj->fThis->setGreen(green);
    newObj->fThis->setBlue(blue);
    newObj->fThis->setAlpha(alpha);
    return (PyObject*)newObj;
}

PyObject *pyColor::New(const hsColorRGBA & color)
{
    ptColor *newObj = (ptColor*)ptColor_type.tp_new(&ptColor_type, NULL, NULL);
    newObj->fThis->setColor(color);
    return (PyObject*)newObj;
}

PYTHON_CLASS_CHECK_IMPL(ptColor, pyColor)
PYTHON_CLASS_CONVERT_FROM_IMPL(ptColor, pyColor)

///////////////////////////////////////////////////////////////////////////
//
// AddPlasmaClasses - the python module definitions
//
void pyColor::AddPlasmaClasses(PyObject *m)
{
    PYTHON_CLASS_IMPORT_START(m);
    PYTHON_CLASS_IMPORT(m, ptColor);
    PYTHON_CLASS_IMPORT_END(m);
}