#include <stdio.h>
#include <assert.h>
#include "engine/bitboard.h"
#include "engine/moves.h"

void comms_main();
int direct_run();

int main(int argc, char** argv) {
  if (argc == 1) return direct_run();
  assert(argc == 2);
  comms_main();
  return 0;
}

struct sqrstr {
  char data[2];
};
struct sqrstr sqr_to_str(int i) {
  assert(i < 64);
  return (struct sqrstr) { .data = {(i / 10) + '0', (i % 10) + '0' } };
}

#include "ipc.c"
void comms_main() {
  mqd_t tx = mq_open("/engine_to_server", O_WRONLY);
  mqd_t rx = mq_open("/server_to_engine", O_RDONLY);

  while (1) {
    char* x = read_queue(rx);
    printf("Engine received: %s", x);
    free(x);

    send_queue(tx, "Sending", 8);

    moves_t moves = moves_init();
    position_t position = position_starting();

    get_moves(&moves, position);
    char buf[128];
    for (int i = 0; i <= moves.length / 32; i++) {
      for (int ii = 0; ii < 32; ii++) {
        if (moves.length <= 4 * i + ii) continue;
        struct sqrstr from_str = sqr_to_str(moves.moves[4 * i + ii].from);
        struct sqrstr to_str = sqr_to_str(moves.moves[4 * i + ii].to);
        buf[4 * ii + 0] = from_str.data[0];
        buf[4 * ii + 1] = from_str.data[1];
        buf[4 * ii + 2] = to_str.data[0];
        buf[4 * ii + 3] = to_str.data[1];
      }
      send_queue(tx, buf, sizeof(buf));
    }
  }
}

int direct_run() {
  moves_t moves = moves_init();
  position_t position = position_starting();

position.bitboards[WHITE_KING] = 16ULL;
position.bitboards[WHITE_QUEEN] = 268435456ULL;
position.bitboards[WHITE_ROOK] = 16777344ULL;
position.bitboards[WHITE_BISHOP] = 67108896ULL;
position.bitboards[WHITE_KNIGHT] = 66ULL;
position.bitboards[WHITE_PAWN] = 65280ULL;
position.bitboards[BLACK_KING] = 1152921504606846976ULL;
position.bitboards[BLACK_QUEEN] = 576460752303423488ULL;
position.bitboards[BLACK_ROOK] = 9295429630892703744ULL;
position.bitboards[BLACK_BISHOP] = 2594073385365405696ULL;
position.bitboards[BLACK_KNIGHT] = 4611687117939015680ULL;
position.bitboards[BLACK_PAWN] = 71776119061217280ULL;

  get_queen_moves(&moves, position);

  bitboard_t b = 0;

  for (int i = 0; i < moves.length; i++) {
    b |= (bitboard_t)1 << moves.moves[i].to;
    printf("%d %d | ", (moves.moves[i].from), (moves.moves[i].to));
  }

  print_bitboard(b);
  return 0;
}

#include "engine/bitboard.c"
#include "engine/moves.c"