#include "signal.h"

#include "display33.h"
#include "clock33.h"
#include "logger33.h"
#include "system33.h"
#include "strings33.h"
#include "input33.h"
#include "ui33.h"
#include "scene33.h"

static void _term_sighandler( int sig );


int main(int argc, char *argv[])
{
  Size fps, FPS;
  long timeOld, time;

  if( e33_set_signal( SIGHUP, _term_sighandler ) == -1 ) { LOGW( "SIGHUP not handled"); }
  if( e33_set_signal( SIGINT, _term_sighandler ) == -1 ) { LOGW( "SIGINT not handled"); }
  if( e33_set_signal( SIGTERM, _term_sighandler ) == -1 ) { LOGW( "SIGTERM not handled"); }

  timeOld = clock33_get_us();
  time = 0;
  fps = 0;
  FPS = 0;

  if( logger33_init() ) {
    return EXIT_FAILURE;
  }

  if( input33_init() ) {
    return EXIT_FAILURE;
  }

  if( display33_init() ) {
    return EXIT_FAILURE;
  }

  if( scene33_init() ) {
    return EXIT_FAILURE;
  }

  if( graphics33_init() ) {
    return EXIT_FAILURE;
  }


  while(1)
  {
    display33_vtswitcher_poll(1);


    if( __display.active )
    {
      input33_poll();


      if( KEYDOWN(KEY_Q) ) { break; }

      if( KEYDOWN(KEY_W) ) { __scene.camera.t[2] += 0.1; }
      else if( KEYDOWN(KEY_S) ) { __scene.camera.t[2] -= 0.1; }
      if( KEYDOWN(KEY_A) ) { __scene.camera.t[0] -= 0.1; }
      else if( KEYDOWN(KEY_D) ) { __scene.camera.t[0] += 0.1; }
      if( KEYDOWN(KEY_SPACE) ) { __scene.camera.t[1] -= 0.1; }
      else if( KEYDOWN(KEY_LEFTCTRL) ) { __scene.camera.t[1] += 0.1; }

      if( KEYDOWN(KEY_LEFT) ) { __scene.cube.r[1] -= 0.04; }
      else if( KEYDOWN(KEY_RIGHT) ) { __scene.cube.r[1] += 0.04; }
      if( KEYDOWN(KEY_UP) ) { __scene.cube.r[0] -= 0.04; }
      else if( KEYDOWN(KEY_DOWN) ) { __scene.cube.r[0] += 0.04; }


      if( MOUSEX ) {
        __mouse.x += MOUSEX;
      }
      if( MOUSEY ) {
        __mouse.y += MOUSEY;
      }

      if( __mouse.x < 0 ) __mouse.x = 0;
      if( __mouse.y < 0 ) __mouse.y = 0;
      if( __mouse.x >= __display.surface.w ) __mouse.x = __display.surface.w-1;
      if( __mouse.y >= __display.surface.h ) __mouse.y = __display.surface.h-1;

      graphics33_update();

      graphics33_decompose_scene();
      QPRINTF( 5, 5, "fps: %d", FPS-1 );
      QPRINTF( 100, 5, "M: x(%d), y(%d)", __mouse.x, __mouse.y );
      ui33_draw_mouse();
      ui33_draw_messages();


      display33_flip();
    }


    time += clock33_get_us() - timeOld;
    timeOld = clock33_get_us();

    if(time >= 1000000)
    {
      FPS = fps;
      time = 0;
      fps = 0;
    }
    ++fps;
  }


  display33_term();
  logger33_term();
  input33_term();
  graphics33_term();
  scene33_term();


  return EXIT_SUCCESS;
}


static void _term_sighandler( int sig )
{
  display33_term();
  logger33_term();
  exit(0);
}