/************************** BEGIN CGlue.h **************************/
/************************************************************************
 FAUST Architecture File
 Copyright (C) 2018 GRAME, Centre National de Creation Musicale
 ---------------------------------------------------------------------
 This Architecture section 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/>.
 
 EXCEPTION : As a special exception, you may create a larger work
 that contains this FAUST architecture section and distribute
 that work under terms of your choice, so long as this FAUST
 architecture section is not modified.
 ************************************************************************/

#ifndef CGLUE_H
#define CGLUE_H

#include "faust/gui/UI.h"
#include "faust/gui/CInterface.h"
#include "faust/gui/meta.h"
#include "faust/dsp/dsp.h"

#ifdef __cplusplus
extern "C" {
#endif

/*******************************************************************************
 * UI glue code
 ******************************************************************************/
 
class UIFloat
{

    public:

        UIFloat() {}

        virtual ~UIFloat() {}

        // -- widget's layouts

        virtual void openTabBox(const char* label) = 0;
        virtual void openHorizontalBox(const char* label) = 0;
        virtual void openVerticalBox(const char* label) = 0;
        virtual void closeBox() = 0;

        // -- active widgets

        virtual void addButton(const char* label, float* zone) = 0;
        virtual void addCheckButton(const char* label, float* zone) = 0;
        virtual void addVerticalSlider(const char* label, float* zone, float init, float min, float max, float step) = 0;
        virtual void addHorizontalSlider(const char* label, float* zone, float init, float min, float max, float step) = 0;
        virtual void addNumEntry(const char* label, float* zone, float init, float min, float max, float step) = 0;

        // -- passive widgets

        virtual void addHorizontalBargraph(const char* label, float* zone, float min, float max) = 0;
        virtual void addVerticalBargraph(const char* label, float* zone, float min, float max) = 0;
    
        // -- soundfiles
    
        virtual void addSoundfile(const char* label, const char* filename, Soundfile** sf_zone) = 0;

        // -- metadata declarations

        virtual void declare(float* zone, const char* key, const char* val) {}
};

static void openTabBoxGlueFloat(void* cpp_interface, const char* label)
{
    UIFloat* ui_interface = static_cast<UIFloat*>(cpp_interface);
    ui_interface->openTabBox(label);
}

static void openHorizontalBoxGlueFloat(void* cpp_interface, const char* label)
{
    UIFloat* ui_interface = static_cast<UIFloat*>(cpp_interface);
    ui_interface->openHorizontalBox(label);
}

static void openVerticalBoxGlueFloat(void* cpp_interface, const char* label)
{
    UIFloat* ui_interface = static_cast<UIFloat*>(cpp_interface);
    ui_interface->openVerticalBox(label);
}

static void closeBoxGlueFloat(void* cpp_interface)
{
    UIFloat* ui_interface = static_cast<UIFloat*>(cpp_interface);
    ui_interface->closeBox();
}

static void addButtonGlueFloat(void* cpp_interface, const char* label, float* zone)
{
    UIFloat* ui_interface = static_cast<UIFloat*>(cpp_interface);
    ui_interface->addButton(label, zone);
}

static void addCheckButtonGlueFloat(void* cpp_interface, const char* label, float* zone)
{
    UIFloat* ui_interface = static_cast<UIFloat*>(cpp_interface);
    ui_interface->addCheckButton(label, zone);
}

static void addVerticalSliderGlueFloat(void* cpp_interface, const char* label, float* zone, float init, float min, float max, float step)
{
    UIFloat* ui_interface = static_cast<UIFloat*>(cpp_interface);
    ui_interface->addVerticalSlider(label, zone, init, min, max, step);
}

static void addHorizontalSliderGlueFloat(void* cpp_interface, const char* label, float* zone, float init, float min, float max, float step)
{
    UIFloat* ui_interface = static_cast<UIFloat*>(cpp_interface);
    ui_interface->addHorizontalSlider(label, zone, init, min, max, step);
}

static void addNumEntryGlueFloat(void* cpp_interface, const char* label, float* zone, float init, float min, float max, float step)
{
    UIFloat* ui_interface = static_cast<UIFloat*>(cpp_interface);
    ui_interface->addNumEntry(label, zone, init, min, max, step);
}

static void addHorizontalBargraphGlueFloat(void* cpp_interface, const char* label, float* zone, float min, float max)
{
    UIFloat* ui_interface = static_cast<UIFloat*>(cpp_interface);
    ui_interface->addHorizontalBargraph(label, zone, min, max);
}

static void addVerticalBargraphGlueFloat(void* cpp_interface, const char* label, float* zone, float min, float max)
{
    UIFloat* ui_interface = static_cast<UIFloat*>(cpp_interface);
    ui_interface->addVerticalBargraph(label, zone, min, max);
}
    
static void addSoundfileGlueFloat(void* cpp_interface, const char* label, const char* url, Soundfile** sf_zone)
{
    UIFloat* ui_interface = static_cast<UIFloat*>(cpp_interface);
    ui_interface->addSoundfile(label, url, sf_zone);
}

static void declareGlueFloat(void* cpp_interface, float* zone, const char* key, const char* value)
{
    UIFloat* ui_interface = static_cast<UIFloat*>(cpp_interface);
    ui_interface->declare(zone, key, value);
}

class UIDouble
{

    public:

        UIDouble() {}

        virtual ~UIDouble() {}

        // -- widget's layouts

        virtual void openTabBox(const char* label) = 0;
        virtual void openHorizontalBox(const char* label) = 0;
        virtual void openVerticalBox(const char* label) = 0;
        virtual void closeBox() = 0;

        // -- active widgets

        virtual void addButton(const char* label, double* zone) = 0;
        virtual void addCheckButton(const char* label, double* zone) = 0;
        virtual void addVerticalSlider(const char* label, double* zone, double init, double min, double max, double step) = 0;
        virtual void addHorizontalSlider(const char* label, double* zone, double init, double min, double max, double step) = 0;
        virtual void addNumEntry(const char* label, double* zone, double init, double min, double max, double step) = 0;

        // -- passive widgets

        virtual void addHorizontalBargraph(const char* label, double* zone, double min, double max) = 0;
        virtual void addVerticalBargraph(const char* label, double* zone, double min, double max) = 0;
    
        // -- soundfiles
    
        virtual void addSoundfile(const char* label, const char* filename, Soundfile** sf_zone) = 0;

        // -- metadata declarations

        virtual void declare(double* zone, const char* key, const char* val) {}
};

static void openTabBoxGlueDouble(void* cpp_interface, const char* label)
{
    UIDouble* ui_interface = static_cast<UIDouble*>(cpp_interface);
    ui_interface->openTabBox(label);
}

static void openHorizontalBoxGlueDouble(void* cpp_interface, const char* label)
{
    UIDouble* ui_interface = static_cast<UIDouble*>(cpp_interface);
    ui_interface->openHorizontalBox(label);
}

static void openVerticalBoxGlueDouble(void* cpp_interface, const char* label)
{
    UIDouble* ui_interface = static_cast<UIDouble*>(cpp_interface);
    ui_interface->openVerticalBox(label);
}

static void closeBoxGlueDouble(void* cpp_interface)
{
    UIDouble* ui_interface = static_cast<UIDouble*>(cpp_interface);
    ui_interface->closeBox();
}

static void addButtonGlueDouble(void* cpp_interface, const char* label, double* zone)
{
    UIDouble* ui_interface = static_cast<UIDouble*>(cpp_interface);
    ui_interface->addButton(label, zone);
}

static void addCheckButtonGlueDouble(void* cpp_interface, const char* label, double* zone)
{
    UIDouble* ui_interface = static_cast<UIDouble*>(cpp_interface);
    ui_interface->addCheckButton(label, zone);
}

static void addVerticalSliderGlueDouble(void* cpp_interface, const char* label, double* zone, double init, double min, double max, double step)
{
    UIDouble* ui_interface = static_cast<UIDouble*>(cpp_interface);
    ui_interface->addVerticalSlider(label, zone, init, min, max, step);
}

static void addHorizontalSliderGlueDouble(void* cpp_interface, const char* label, double* zone, double init, double min, double max, double step)
{
    UIDouble* ui_interface = static_cast<UIDouble*>(cpp_interface);
    ui_interface->addHorizontalSlider(label, zone, init, min, max, step);
}

static void addNumEntryGlueDouble(void* cpp_interface, const char* label, double* zone, double init, double min, double max, double step)
{
    UIDouble* ui_interface = static_cast<UIDouble*>(cpp_interface);
    ui_interface->addNumEntry(label, zone, init, min, max, step);
}

static void addHorizontalBargraphGlueDouble(void* cpp_interface, const char* label, double* zone, double min, double max)
{
    UIDouble* ui_interface = static_cast<UIDouble*>(cpp_interface);
    ui_interface->addHorizontalBargraph(label, zone, min, max);
}

static void addVerticalBargraphGlueDouble(void* cpp_interface, const char* label, double* zone, double min, double max)
{
    UIDouble* ui_interface = static_cast<UIDouble*>(cpp_interface);
    ui_interface->addVerticalBargraph(label, zone, min, max);
}
    
static void addSoundfileGlueDouble(void* cpp_interface, const char* label, const char* url, Soundfile** sf_zone)
{
    UIDouble* ui_interface = static_cast<UIDouble*>(cpp_interface);
    ui_interface->addSoundfile(label, url, sf_zone);
}

static void declareGlueDouble(void* cpp_interface, double* zone, const char* key, const char* value)
{
    UIDouble* ui_interface = static_cast<UIDouble*>(cpp_interface);
    ui_interface->declare(zone, key, value);
}

static void buildUIGlue(UIGlue* glue, UI* ui_interface, bool is_double)
{
    glue->uiInterface = ui_interface;
    
    if (is_double) {
        glue->openTabBox = reinterpret_cast<openTabBoxFun>(openTabBoxGlueDouble);
        glue->openHorizontalBox = reinterpret_cast<openHorizontalBoxFun>(openHorizontalBoxGlueDouble);
        glue->openVerticalBox = reinterpret_cast<openVerticalBoxFun>(openVerticalBoxGlueDouble);
        glue->closeBox = reinterpret_cast<closeBoxFun>(closeBoxGlueDouble);
        glue->addButton = reinterpret_cast<addButtonFun>(addButtonGlueDouble);
        glue->addCheckButton = reinterpret_cast<addCheckButtonFun>(addCheckButtonGlueDouble);
        glue->addVerticalSlider = reinterpret_cast<addVerticalSliderFun>(addVerticalSliderGlueDouble);
        glue->addHorizontalSlider = reinterpret_cast<addHorizontalSliderFun>(addHorizontalSliderGlueDouble);
        glue->addNumEntry = reinterpret_cast<addNumEntryFun>(addNumEntryGlueDouble);
        glue->addHorizontalBargraph = reinterpret_cast<addHorizontalBargraphFun>(addHorizontalBargraphGlueDouble);
        glue->addVerticalBargraph = reinterpret_cast<addVerticalBargraphFun>(addVerticalBargraphGlueDouble);
        glue->addSoundfile = reinterpret_cast<addSoundfileFun>(addSoundfileGlueDouble);
        glue->declare = reinterpret_cast<declareFun>(declareGlueDouble);
    } else {
        glue->openTabBox = reinterpret_cast<openTabBoxFun>(openTabBoxGlueFloat);
        glue->openHorizontalBox = reinterpret_cast<openHorizontalBoxFun>(openHorizontalBoxGlueFloat);
        glue->openVerticalBox = reinterpret_cast<openVerticalBoxFun>(openVerticalBoxGlueFloat);
        glue->closeBox = reinterpret_cast<closeBoxFun>(closeBoxGlueFloat);
        glue->addButton = reinterpret_cast<addButtonFun>(addButtonGlueFloat);
        glue->addCheckButton = reinterpret_cast<addCheckButtonFun>(addCheckButtonGlueFloat);
        glue->addVerticalSlider = reinterpret_cast<addVerticalSliderFun>(addVerticalSliderGlueFloat);
        glue->addHorizontalSlider = reinterpret_cast<addHorizontalSliderFun>(addHorizontalSliderGlueFloat);
        glue->addNumEntry = reinterpret_cast<addNumEntryFun>(addNumEntryGlueFloat);
        glue->addHorizontalBargraph = reinterpret_cast<addHorizontalBargraphFun>(addHorizontalBargraphGlueFloat);
        glue->addVerticalBargraph = reinterpret_cast<addVerticalBargraphFun>(addVerticalBargraphGlueFloat);
        glue->addSoundfile = reinterpret_cast<addSoundfileFun>(addSoundfileGlueFloat);
        glue->declare = reinterpret_cast<declareFun>(declareGlueFloat);
    }
}
    
struct UITemplate
{
    
    void* fCPPInterface;

    UITemplate(void* cpp_interface):fCPPInterface(cpp_interface)
    {}
    
    virtual ~UITemplate() {}
    
    // -- widget's layouts
    
    virtual void openTabBox(const char* label)
    {
        openTabBoxGlueFloat(fCPPInterface, label);
    }
    virtual void openHorizontalBox(const char* label)
    {
        openHorizontalBoxGlueFloat(fCPPInterface, label);
    }
    virtual void openVerticalBox(const char* label)
    {
        openVerticalBoxGlueFloat(fCPPInterface, label);
    }
    virtual void closeBox()
    {
        closeBoxGlueFloat(fCPPInterface);
    }
    
    // float version
    
    // -- active widgets
    
    virtual void addButton(const char* label, float* zone)
    {
        addButtonGlueFloat(fCPPInterface, label, zone);
    }
    virtual void addCheckButton(const char* label, float* zone)
    {
        addCheckButtonGlueFloat(fCPPInterface, label, zone);
    }
    
    virtual void addVerticalSlider(const char* label, float* zone, float init, float min, float max, float step)
    {
        addVerticalSliderGlueFloat(fCPPInterface, label, zone, init, min, max, step);
    }
    
    virtual void addHorizontalSlider(const char* label, float* zone, float init, float min, float max, float step)
    {
        addHorizontalSliderGlueFloat(fCPPInterface, label, zone, init, min, max, step);
    }
    
    virtual void addNumEntry(const char* label, float* zone, float init, float min, float max, float step)
    {
        addNumEntryGlueFloat(fCPPInterface, label, zone, init, min, max, step);
    }
    
    // -- passive widgets
    
    virtual void addHorizontalBargraph(const char* label, float* zone, float min, float max)
    {
        addHorizontalBargraphGlueFloat(fCPPInterface, label, zone, min, max);
    }
    
    virtual void addVerticalBargraph(const char* label, float* zone, float min, float max)
    {
        addVerticalBargraphGlueFloat(fCPPInterface, label, zone, min, max);
    }

    // -- metadata declarations
    
    virtual void declare(float* zone, const char* key, const char* val)
    {
        declareGlueFloat(fCPPInterface, zone, key, val);
    }
    
    // double version
    
    virtual void addButton(const char* label, double* zone)
    {
        addButtonGlueDouble(fCPPInterface, label, zone);
    }
    virtual void addCheckButton(const char* label, double* zone)
    {
        addCheckButtonGlueDouble(fCPPInterface, label, zone);
    }
    
    virtual void addVerticalSlider(const char* label, double* zone, double init, double min, double max, double step)
    {
        addVerticalSliderGlueDouble(fCPPInterface, label, zone, init, min, max, step);
    }
    
    virtual void addHorizontalSlider(const char* label, double* zone, double init, double min, double max, double step)
    {
        addHorizontalSliderGlueDouble(fCPPInterface, label, zone, init, min, max, step);
    }
    
    virtual void addNumEntry(const char* label, double* zone, double init, double min, double max, double step)
    {
        addNumEntryGlueDouble(fCPPInterface, label, zone, init, min, max, step);
    }

    // -- soundfiles
    
    virtual void addSoundfile(const char* label, const char* url, Soundfile** sf_zone)
    {
        addSoundfileGlueFloat(fCPPInterface, label, url, sf_zone);
    }

    // -- passive widgets
    
    virtual void addHorizontalBargraph(const char* label, double* zone, double min, double max)
    {
        addHorizontalBargraphGlueDouble(fCPPInterface, label, zone, min, max);
    }
    
    virtual void addVerticalBargraph(const char* label, double* zone, double min, double max)
    {
        addVerticalBargraphGlueDouble(fCPPInterface, label, zone, min, max);
    }

    // -- metadata declarations
    
    virtual void declare(double* zone, const char* key, const char* val)
    {
        declareGlueDouble(fCPPInterface, zone, key, val);
    }

};

/*******************************************************************************
 * Meta glue code
 ******************************************************************************/

static void declareMetaGlue(void* cpp_interface, const char* key, const char* value)
{
    Meta* meta_interface = static_cast<Meta*>(cpp_interface);
    meta_interface->declare(key, value);
}

static void buildMetaGlue(MetaGlue* glue, Meta* meta)
{
    glue->metaInterface = meta;
    glue->declare = declareMetaGlue;
}
    
/*******************************************************************************
 * Memory manager glue code
 ******************************************************************************/

static void* allocateMemoryManagerGlue(void* cpp_interface, size_t size)
{
    dsp_memory_manager* manager_interface = static_cast<dsp_memory_manager*>(cpp_interface);
    return manager_interface->allocate(size);
}
    
static void destroyMemoryManagerGlue(void* cpp_interface, void* ptr)
{
    dsp_memory_manager* manager_interface = static_cast<dsp_memory_manager*>(cpp_interface);
    manager_interface->destroy(ptr);
}

static void buildManagerGlue(MemoryManagerGlue* glue, dsp_memory_manager* manager)
{
    glue->managerInterface = manager;
    glue->allocate = allocateMemoryManagerGlue;
    glue->destroy = destroyMemoryManagerGlue;
}

#ifdef __cplusplus
}
#endif

#endif
/**************************  END  CGlue.h **************************/