/*
  Simple DirectMedia Layer
  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>

  This software is provided 'as-is', without any express or implied
  warranty.  In no event will the authors be held liable for any damages
  arising from the use of this software.

  Permission is granted to anyone to use this software for any purpose,
  including commercial applications, and to alter it and redistribute it
  freely, subject to the following restrictions:

  1. The origin of this software must not be misrepresented; you must not
     claim that you wrote the original software. If you use this software
     in a product, an acknowledgment in the product documentation would be
     appreciated but is not required.
  2. Altered source versions must be plainly marked as such, and must not be
     misrepresented as being the original software.
  3. This notice may not be removed or altered from any source distribution.
*/

#include "../../SDL_internal.h"

#if SDL_VIDEO_DRIVER_PSP

/* SDL internals */
#include "../SDL_sysvideo.h"
#include "SDL_version.h"
#include "SDL_syswm.h"
#include "SDL_loadso.h"
#include "SDL_events.h"
#include "../../events/SDL_mouse_c.h"
#include "../../events/SDL_keyboard_c.h"


/* PSP declarations */
#include "SDL_pspvideo.h"
#include "SDL_pspevents_c.h"
#include "SDL_pspgl_c.h"

/* unused
static SDL_bool PSP_initialized = SDL_FALSE;
*/
static int
PSP_Available(void)
{
    return 1;
}

static void
PSP_Destroy(SDL_VideoDevice * device)
{
/*    SDL_VideoData *phdata = (SDL_VideoData *) device->driverdata; */

    if (device->driverdata != NULL) {
        device->driverdata = NULL;
    }
}

static SDL_VideoDevice *
PSP_Create()
{
    SDL_VideoDevice *device;
    SDL_VideoData *phdata;
    SDL_GLDriverData *gldata;
    int status;

    /* Check if PSP could be initialized */
    status = PSP_Available();
    if (status == 0) {
        /* PSP could not be used */
        return NULL;
    }

    /* Initialize SDL_VideoDevice structure */
    device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
    if (device == NULL) {
        SDL_OutOfMemory();
        return NULL;
    }

    /* Initialize internal PSP specific data */
    phdata = (SDL_VideoData *) SDL_calloc(1, sizeof(SDL_VideoData));
    if (phdata == NULL) {
        SDL_OutOfMemory();
        SDL_free(device);
        return NULL;
    }

        gldata = (SDL_GLDriverData *) SDL_calloc(1, sizeof(SDL_GLDriverData));
    if (gldata == NULL) {
        SDL_OutOfMemory();
        SDL_free(device);
        SDL_free(phdata);
        return NULL;
    }
    device->gl_data = gldata;

    device->driverdata = phdata;

    phdata->egl_initialized = SDL_TRUE;


    /* Setup amount of available displays */
    device->num_displays = 0;

    /* Set device free function */
    device->free = PSP_Destroy;

    /* Setup all functions which we can handle */
    device->VideoInit = PSP_VideoInit;
    device->VideoQuit = PSP_VideoQuit;
    device->GetDisplayModes = PSP_GetDisplayModes;
    device->SetDisplayMode = PSP_SetDisplayMode;
    device->CreateWindow = PSP_CreateWindow;
    device->CreateWindowFrom = PSP_CreateWindowFrom;
    device->SetWindowTitle = PSP_SetWindowTitle;
    device->SetWindowIcon = PSP_SetWindowIcon;
    device->SetWindowPosition = PSP_SetWindowPosition;
    device->SetWindowSize = PSP_SetWindowSize;
    device->ShowWindow = PSP_ShowWindow;
    device->HideWindow = PSP_HideWindow;
    device->RaiseWindow = PSP_RaiseWindow;
    device->MaximizeWindow = PSP_MaximizeWindow;
    device->MinimizeWindow = PSP_MinimizeWindow;
    device->RestoreWindow = PSP_RestoreWindow;
    device->SetWindowGrab = PSP_SetWindowGrab;
    device->DestroyWindow = PSP_DestroyWindow;
    device->GetWindowWMInfo = PSP_GetWindowWMInfo;
    device->GL_LoadLibrary = PSP_GL_LoadLibrary;
    device->GL_GetProcAddress = PSP_GL_GetProcAddress;
    device->GL_UnloadLibrary = PSP_GL_UnloadLibrary;
    device->GL_CreateContext = PSP_GL_CreateContext;
    device->GL_MakeCurrent = PSP_GL_MakeCurrent;
    device->GL_SetSwapInterval = PSP_GL_SetSwapInterval;
    device->GL_GetSwapInterval = PSP_GL_GetSwapInterval;
    device->GL_SwapWindow = PSP_GL_SwapWindow;
    device->GL_DeleteContext = PSP_GL_DeleteContext;
    device->HasScreenKeyboardSupport = PSP_HasScreenKeyboardSupport;
    device->ShowScreenKeyboard = PSP_ShowScreenKeyboard;
    device->HideScreenKeyboard = PSP_HideScreenKeyboard;
    device->IsScreenKeyboardShown = PSP_IsScreenKeyboardShown;

    device->PumpEvents = PSP_PumpEvents;

    return device;
}

VideoBootStrap PSP_bootstrap = {
    "PSP",
    "PSP Video Driver",
    PSP_Available,
    PSP_Create
};

/*****************************************************************************/
/* SDL Video and Display initialization/handling functions                   */
/*****************************************************************************/
int
PSP_VideoInit(_THIS)
{
    SDL_VideoDisplay display;
    SDL_DisplayMode current_mode;

    SDL_zero(current_mode);

    current_mode.w = 480;
    current_mode.h = 272;

    current_mode.refresh_rate = 60;
    /* 32 bpp for default */
    current_mode.format = SDL_PIXELFORMAT_ABGR8888;

    current_mode.driverdata = NULL;

    SDL_zero(display);
    display.desktop_mode = current_mode;
    display.current_mode = current_mode;
    display.driverdata = NULL;

    SDL_AddVideoDisplay(&display);

    return 1;
}

void
PSP_VideoQuit(_THIS)
{

}

void
PSP_GetDisplayModes(_THIS, SDL_VideoDisplay * display)
{

}

int
PSP_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode)
{
    return 0;
}
#define EGLCHK(stmt)                            \
    do {                                        \
        EGLint err;                             \
                                                \
        stmt;                                   \
        err = eglGetError();                    \
        if (err != EGL_SUCCESS) {               \
            SDL_SetError("EGL error %d", err);  \
            return 0;                           \
        }                                       \
    } while (0)

int
PSP_CreateWindow(_THIS, SDL_Window * window)
{
    SDL_WindowData *wdata;

    /* Allocate window internal data */
    wdata = (SDL_WindowData *) SDL_calloc(1, sizeof(SDL_WindowData));
    if (wdata == NULL) {
        return SDL_OutOfMemory();
    }

    /* Setup driver data for this window */
    window->driverdata = wdata;


    /* Window has been successfully created */
    return 0;
}

int
PSP_CreateWindowFrom(_THIS, SDL_Window * window, const void *data)
{
    return SDL_Unsupported();
}

void
PSP_SetWindowTitle(_THIS, SDL_Window * window)
{
}
void
PSP_SetWindowIcon(_THIS, SDL_Window * window, SDL_Surface * icon)
{
}
void
PSP_SetWindowPosition(_THIS, SDL_Window * window)
{
}
void
PSP_SetWindowSize(_THIS, SDL_Window * window)
{
}
void
PSP_ShowWindow(_THIS, SDL_Window * window)
{
}
void
PSP_HideWindow(_THIS, SDL_Window * window)
{
}
void
PSP_RaiseWindow(_THIS, SDL_Window * window)
{
}
void
PSP_MaximizeWindow(_THIS, SDL_Window * window)
{
}
void
PSP_MinimizeWindow(_THIS, SDL_Window * window)
{
}
void
PSP_RestoreWindow(_THIS, SDL_Window * window)
{
}
void
PSP_SetWindowGrab(_THIS, SDL_Window * window, SDL_bool grabbed)
{

}
void
PSP_DestroyWindow(_THIS, SDL_Window * window)
{
}

/*****************************************************************************/
/* SDL Window Manager function                                               */
/*****************************************************************************/
SDL_bool
PSP_GetWindowWMInfo(_THIS, SDL_Window * window, struct SDL_SysWMinfo *info)
{
    if (info->version.major <= SDL_MAJOR_VERSION) {
        return SDL_TRUE;
    } else {
        SDL_SetError("Application not compiled with SDL %d.%d",
                     SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
        return SDL_FALSE;
    }

    /* Failed to get window manager information */
    return SDL_FALSE;
}


/* TO Write Me */
SDL_bool PSP_HasScreenKeyboardSupport(_THIS)
{
    return SDL_FALSE;
}
void PSP_ShowScreenKeyboard(_THIS, SDL_Window *window)
{
}
void PSP_HideScreenKeyboard(_THIS, SDL_Window *window)
{
}
SDL_bool PSP_IsScreenKeyboardShown(_THIS, SDL_Window *window)
{
    return SDL_FALSE;
}


#endif /* SDL_VIDEO_DRIVER_PSP */

/* vi: set ts=4 sw=4 expandtab: */