package abertay.xogame;
import boardgameClasses.Board;



public class Intelligence {


public int intel(Board board){

boolean loop=true;
 //flag to allow skipping of code if a value has been returned

if (loop==true){
        //loop for columns
        for (int a=0; a< 7; a++){
            for (int b=0; b<3; b++){

                if ((board.get_state(a,b) ==1) &&
                board.get_state(a,b)==board.get_state(a,b+1) &&
                board.get_state(a,b)==board.get_state(a,b+2) && board.get_state(a,b+3)==0 )
                {
                    loop=false;
                    return a;
                }
            }
        }
}

//rows
if (loop==true){
        for (int a=0; a< 6; a++){
            for (int b=0; b<4; b++){

                if ((board.get_state(b,a) ==1) &&
                board.get_state(b,a)==board.get_state(b+1,a) &&
                board.get_state(b,a)==board.get_state(b+2,a)&&                  //MIGHT HAVE TO CHANGE TO EQUALS 1 OR 2
                ((board.get_state(b+3,a)==0 && board.get_state(b+3,a-1)!=0) | (board.get_state(b-1,a-1)!=0 && board.get_state(b-1,a)==0)))
                {

                    if (board.get_state(b+3,a)==0 && board.get_state(b+3,a-1)!=0){
                        loop=false;
                        return (b+3);
                    }
                    else if (board.get_state(b-1,a-1)!=0 && board.get_state(b-1,a)==0){
                        loop=false;
                        return (b-1);
                    }
                }
            }
        }
}

//diagonal to the right
if (loop==true){
    for (int a=0; a< 4; a++){
        for (int b=0; b<3; b++){

            if ((board.get_state(a,b) ==1) &&
            board.get_state(a,b)==board.get_state(a+1,b+1) &&
            board.get_state(a,b)==board.get_state(a+2,b+2) &&
            //checking if a piece can be put either side of the diagonal
            ((board.get_state(a+3,b+3)==0 && (board.get_state(a+3,b+2)!=0) ) | (board.get_state(a-1,b-1)==0 && !(a<0)) && !(b<0))  )
            {
                //top of diagonal
                if ((board.get_state(a+3,b+3)==0 && ((board.get_state(a+3,b+2)!=0)) )){
                    loop=false;
                    return (a+3);
                }
                //bottom of diagonal [MIGHT NEED TO FIX END OF IF STATEMENT TO EQUAL 1 OR 2]
                else if ((board.get_state(a-1,b-1)==0 && !(a<0)) && !(b<0) && (board.get_state(a-1,b-2)!=0)){
                    loop=false;
                    return (a-1);
                }
            }
        }
    }
}
//diagonal to the left
if (loop==true){
    for (int a=4; a< 7; a++){
        for (int b=0; b<3; b++){

            if ((board.get_state(a,b) ==1) &&
            board.get_state(a,b)==board.get_state(a-1,b+1) &&
            board.get_state(a,b)==board.get_state(a-2,b+2) &&
            ((board.get_state(a-3,b+3)==0) && (board.get_state(a-3, b+2)!=0) | (board.get_state(a+1,b-1) ==0 && !(a<0)) && !(b<0)) )
            {
                if ((board.get_state(a-3,b+3)==0) && (board.get_state(a-3, b+2)!=0)){
                    loop=false;
                    return (a-3);
                }
                else if ((board.get_state(a+1,b-1) ==0 && !(a<0)) && !(b<0) && (board.get_state(a+1,b-2) !=0)){
                    loop=false;
                    return (a+1);
                }

            }
        }
    }
}

//for anticipating 4 in a row, when there are only two in a row, with 1 space either side of them
//rows
/*if (loop==true){
    for (int a=0; a< 6; a++){
        for (int b=0; b<4; b++){

            if ((board.get_state(b,a) !=0) &&
            board.get_state(b,a)==board.get_state(b+1,a) &&
            ((board.get_state(b+2,a)==0) | (board.get_state(b-1,a)==0)))
            {

                if (board.get_state(b+2,a)==0){
                    loop=false;
                    return (b+3);
                }
                else if (board.get_state(b-1,a)==0){
                    loop=false;
                    return (b-1);
                }
            }
        }
    }
}
*/



//columns
if (loop==true){
    for (int a=0; a< 7; a++){
        for (int b=0; b<3; b++){

            if ((board.get_state(a,b) !=0) &&
            board.get_state(a,b)==board.get_state(a,b+1) &&
            board.get_state(a,b+2)==0)
            {
                loop=false;
                return a;
            }
        }
    }








}





        return 0;
    }

}