/*  RetroArch - A frontend for libretro.
 *  Copyright (C) 2010-2014 - Hans-Kristian Arntzen
 *  Copyright (C) 2011-2017 - Daniel De Matteis
 *
 *  RetroArch 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 Found-
 *  ation, either version 3 of the License, or (at your option) any later version.
 *
 *  RetroArch 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 RetroArch.
 *  If not, see <http://www.gnu.org/licenses/>.
 */

#include <stdint.h>
#include <stdlib.h>

#ifdef HAVE_CONFIG_H
#include "../../config.h"
#endif

#include <pad.h>

#include <boolean.h>
#include <libretro.h>
#include <retro_miscellaneous.h>

#include "../input_driver.h"

/* TODO/FIXME -
 * fix game focus toggle */

typedef struct ps4_input
{
   void *empty;
} ps4_input_t;

static int16_t ps4_input_state(
      void *data,
      const input_device_driver_t *joypad,
      const input_device_driver_t *sec_joypad,
      rarch_joypad_info_t *joypad_info,
      const struct retro_keybind **binds,
      bool keyboard_mapping_blocked,
      unsigned port,
      unsigned device,
      unsigned idx,
      unsigned id)
{
   ps4_input_t *ps4           = (ps4_input_t*)data;

   switch (device)
   {
      case RETRO_DEVICE_JOYPAD:
         if (id == RETRO_DEVICE_ID_JOYPAD_MASK)
            return joypad->state(
                  joypad_info, binds[port], port);

         if (binds[port][id].valid)
            if (
                  button_is_pressed(joypad, joypad_info, binds[port],
                     port, id))
               return 1;
         break;
      case RETRO_DEVICE_ANALOG:
         break;
   }

   return 0;
}

static void ps4_input_free_input(void *data)
{
   free(data);
}

static void* ps4_input_initialize(const char *joypad_driver)
{
   ps4_input_t *ps4 = (ps4_input_t*)calloc(1, sizeof(*ps4));
   if (!ps4)
      return NULL;

   return ps4;
}

static uint64_t ps4_input_get_capabilities(void *data)
{
   return (1 << RETRO_DEVICE_JOYPAD) |  (1 << RETRO_DEVICE_ANALOG);
}

static bool ps4_input_set_rumble(
      const input_device_driver_t *joypad,
      const input_device_driver_t *sec_joypad,
      unsigned port,
      enum retro_rumble_effect effect, uint16_t strength)
{
   if (joypad)
      return input_joypad_set_rumble(joypad,
         port, effect, strength);
   return false;
}

input_driver_t input_ps4 = {
   ps4_input_initialize,
   NULL,                         /* poll */
   ps4_input_state,
   ps4_input_free_input,
   NULL,
   NULL,
   ps4_input_get_capabilities,
   "ps4",
   NULL,                         /* grab_mouse */
   NULL,
   ps4_input_set_rumble
};