#include <assert.h>
#include <string.h>
#include "engine/bitboard.h"
#include "engine/moves.h"
#include "engine/fen.h"
#include "fcntl.h"
#include "ipc.c"

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' } };
}

int main(void) {
  while (1) {
    char* x = read_queue(rx);
    log_infof("Received: %s", x);

    moves_t moves = moves_init();
    struct fen_load result = load_fen(x);
    free(x);

    if (result.failed) {
      log_warnf("Invalid fen");
      send_queue(tx, "Failed", 7);
      return 0;
    }
    log_infof("Valid fen");

    position_t position = result.position;

    get_moves(&moves, position);
    send_queue(tx, "Sending", 8);
    char buf[65];
    int k = 0;
    for (int i = 0; i < moves.length; i++) {
      struct sqrstr from_str = sqr_to_str(moves.moves[i].from);
      struct sqrstr to_str = sqr_to_str(moves.moves[i].to);
      buf[k++] = from_str.data[0];
      buf[k++] = from_str.data[1];
      buf[k++] = to_str.data[0];
      buf[k++] = to_str.data[1];
      if (k != 64) continue;
      buf[k] = 0;
      send_queue(tx, buf, sizeof(buf));
      k = 0;
    }
    if (k != 0) send_queue(tx, buf, sizeof(buf));
    char end_transmission[] = "END-TRANSMISSION";
    int n = strlen(end_transmission);
    log_infof("%s", end_transmission);
    send_queue(tx, end_transmission, n + 1);
  }

  return 0;
}

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