#include <stdio.h>

#include <clib/exec_protos.h>
#include <clib/graphics_protos.h>
#include <exec/exec.h>

#include <hardware/custom.h>
#include <hardware/dmabits.h>

#include "blitter.h"
#include "copper.h"
#include "screen.h"
#include "types.h"
#include "system.h"

extern struct Custom far custom;

void writeSomethingToScreen(struct ScreenSetup *screenSetup) {
  *(screenSetup->memoryStart) = 255;
  *(screenSetup->memoryStart + 8) = 0xAA;
  *(screenSetup->memoryStart + 16) = 0xF0;
  *(screenSetup->memoryStart + SCREEN_WIDTH * SCREEN_HEIGHT / 8 + 4) = 255;
}

int main(void) {
  struct ScreenSetup screenSetup;
  uint16_t *copperlist, *currentCopperlist;
  int i, result;
  color_t colors[16];

  struct BlitDrawLineSetup setup;
  struct BlitAreaDetails blitAreaDetails, sourceBlitCopyDetails;

  unsigned char *polygonScratchArea;

  colors[0] = 0x0200;
  colors[1] = 0x0f00;
  colors[2] = 0x0f0f;
  colors[3] = 0x000f;

  prepareScreen(&screenSetup, SCREEN_WIDTH, SCREEN_HEIGHT, 4);
  allocateScreenMemory(&screenSetup);

  blit_fillAreaDetailsFromScreenSetup(
    &screenSetup,
    &blitAreaDetails
  );

  blit_fillAreaDetailsFromScreenSetup(
    &screenSetup,
    &sourceBlitCopyDetails
  );

  polygonScratchArea = AllocMem(SCREEN_WIDTH * SCREEN_HEIGHT / 8, MEMF_CHIP | MEMF_CLEAR);

  // blitter copy the first bitplane row down to the second

  copperlist = prepareNewCopperlist();

  takeOverSystem();

  setCopperlist(copperlist);
  setUpDisplay(&screenSetup);

  currentCopperlist = addDisplayToCopperlist(copperlist, &screenSetup);
  currentCopperlist = addColorsToCopperlist(currentCopperlist, colors, 16);
  endCopperlist(currentCopperlist);

  // blit a line to the scratch area
  // blit the scratch area over

  /*
  blit_drawLine(&blitAreaDetails, &setup, 0, 0, 0, 40, 1);
  blit_drawLine(&blitAreaDetails, &setup, 1, 0, 1, 40, 3);
  blit_drawLine(&blitAreaDetails, &setup, 15, 0, 15, 40, 3);
  */
  //blit_drawLine(&blitAreaDetails, &setup, 16, 10, 16, 40, 3);
  //blit_drawLine(&blitAreaDetails, &setup, 50, 10, 50, 40, 1);
  //blit_drawLine(&blitAreaDetails, &setup, 79, 80, 79, 120, 3);

  blit_howDoesFWMandLWMWork(&blitAreaDetails);

  WaitBlit();

  /*


  blit_copyOneToOne(
    &blitAreaDetails,
    &blitAreaDetails,
    1, 0, 24, 16, 80, 80
  );
  */

  for (i = 0; i < 200; ++i) {
    WaitTOF();
  }

  giveBackSystem();

  freeScreenMemory(&screenSetup);

  freeCopperlist(copperlist);
  FreeMem(polygonScratchArea, SCREEN_WIDTH * SCREEN_HEIGHT / 8);

  printf("Hello from C\n");

  printf("%d %d\n", setup.dx, setup.dy);
  printf("%d %d %d\n", setup.sud, setup.sul, setup.aul);

  printf("%d %d\n", setup.accumulator, setup.sign);

  return 0;
}