#include <sys/ipc.h>
#include <sys/shm.h>
#include <unistd.h>
#include <stdio.h>
#include "Tabla.h"
 
struct Tabla *tab; 
struct Tabla tabel;

void afis_tabla(struct Tabla * tb){
  int p,q=0;
  for(p=0;p<3;p++)
   for(q=0;q<3;q++){
    if(q==2) printf("%d\n",tb->t[p][q]);
    else printf("%d ",tb->t[p][q]);
   }
};
   
 
int castigatorpl1(struct Tabla* tb){
   int i=0;
   for( i=0;i<3;i++) {
     if((tb->t[0][i]==1)&&(tb->t[1][i]==1)&&(tb->t[2][i]==1)) return 1;
   }
  //verific liniile
   for (i=0;i<3;i++) {   
     if ((tb->t[i][0]==1)&&(tb->t[i][1]==1)&&(tb->t[i][2]==1)) return 1;   
   }
 //verific diagonalele   
     if ((tb->t[0][0]==1)&&(tb->t[1][1]==1)&&(tb->t[2][2]==1)) return 1;
     if ((tb->t[0][2]==1)&&(tb->t[1][1]==1)&&(tb->t[2][0]==1)) return 1;     
   return 0;
}  


int castigatorpl2(struct Tabla *tb){
  //verific coloanele
  int i=0;
   for (i=0;i<3;i++) {
     if ((tb->t[0][i]==2)&&(tb->t[1][i]==2)&&(tb->t[2][i]==2)) return 1;
   }
  //verific liniile
   for (i=0;i<3;i++) {   
     if ((tb->t[i][0]==2)&&(tb->t[i][1]==2)&&(tb->t[i][2]==2)) return 1;   
   }
 //verific diagonalele   
     if ((tb->t[0][0]==2)&&(tb->t[1][1]==2)&&(tb->t[2][2]==2)) return 1;
     if ((tb->t[0][2]==2)&&(tb->t[1][1]==2)&&(tb->t[2][0]==2)) return 1;     
   return 0;
}

     
void prelucreaza(struct Tabla *tb,int x,int y,int val){
  
  if (tb->nrprel==9){
    printf("%s","Remiza!!!!!!!!!!!!!");
    exit(4);
  };
  if ((tb->t[x][y]==1)||(tb->t[x][y]==2)) printf("Ocupat scrie alte coordonate\n");
  else tb->t[x][y]=val;
  
  if (castigatorpl1(tb)) {
     printf("%s","A castigat jucatorul 1!!!\n");
     exit(1);
  }
  
  if (castigatorpl2(tb)) {
     printf("%s","A castigat jucatorul 2!!!\n");
     exit(1);
  }
}
 
 
int main(){
 
 key_t key = 531982;
 int id ;
 int x,y=0;
 id=shmget(key,0,0600);
 if (id<0){
  printf("Eroare la crearea segment\n");
  exit(1);
 }
 tab =(struct Tabla*)shmat(id,0,0);
 if (tab==NULL){
  printf("Eroare la atasharea segmentului de memorie\n");
  exit(2);
 }
  
 if (tab->instante==2){
      fprintf(stderr,"Nu mai sunt posibile instantieri!!!\n");
      exit(3);
  }
  
  if (tab->instante==0){ 
         tab->instante=1;
  }       
  else{
   if (tab->instante==1){
         tab->instante=2;
   }
  }; 
 
while (1){
  afis_tabla(tab);
  printf("%s","Dati coordonatele jucatorului :\n");
  scanf("%d%d",&x,&y);
  prelucreaza(tab,x,y,2);
  }
}