#include <stdio.h>
#include <math.h>
#include <string.h>

const char ranks[] = {'2', '3', '4', '5', '6', '7', '8', '9', 'T', 'J', 'Q', 'K', 'A'};
const char suits[] = {'H', 'D', 'S', 'C'};

/*
Returns char if valid suit
*/
char isValidRank(char c){
    char result='0';
    int lengthofranks = sizeof(ranks) / sizeof(ranks[0]);
    for(int i =0;i<lengthofranks;i++){
        if(c==ranks[i]){
            result = '1';
        }
    }
//returns 1 if 'c' is in ranks[], 0 if it isnt.
    return result;
}

/*
Returns char of 1 if valid suit otherwise it becomes 0
*/
char isValidSuit(char c){
    char result='0';
    int lengthofsuits = sizeof(suits) / sizeof(suits[0]);
    for(int i = 0;i<lengthofsuits;i++){
        if(c ==suits[i]){
            result = '1';
        }
    }
    //printf("%c",result);
    return result;
}

/*
Returns char if valid suit is entered
*/
char getTrump(){
int errormsg = 0;
int flagforisvalidsuit;
char trumpsuit[1];
char trump_suit;
char flag1;
do{
    if(errormsg){
      printf("Try again please\n");
    }
    printf("What is the trump suit?\n");
    scanf(" %s", trumpsuit);
    trump_suit = trumpsuit[0];
    flag1 = isValidSuit(trump_suit);
    if(flag1=='0' || (strlen(trumpsuit) != 1)){
        flagforisvalidsuit = 1;
        errormsg = 1;
   } else if((flag1 == '1') && (strlen(trumpsuit) == 1)){
        flagforisvalidsuit = 0;
        printf("Successfully added %c as trump suit.\n",trumpsuit[0]);
        return trump_suit;
        }
} while(flagforisvalidsuit);
// never gets out of while loop, just used this for debugging.
printf("out of while loop");
}



int main() {
   char trump_suit = getTrump();
   char player1_card[2];
   char player2_card[2];
   char player3_card[2];
   char player4_card[2];
   char player1_rank;
   char player1_suit;
   char player2_rank;
   char player2_suit;
   char player3_rank;
   char player3_suit;
   char player4_rank;
   char player4_suit;
   char flagforrank;
   char flagforsuit;
   int question1flag = 1;
   int question2flag = 0;
   int question3flag = 0;
   int question4flag = 0;
   int flagloop = 1;
  while(flagloop){
    if(question1flag){
   	printf("Enter player 1's card(Rank followed by suit): \n");
   	scanf(" %s",player1_card);
    flagforrank = isValidRank(player1_card[0]);
    flagforsuit = isValidSuit(player1_card[1]);

    if((flagforrank=='0') || (flagforsuit=='0') || (strlen(player1_card)!=2)){
      printf("Invalid Card Please Re Enter.");
    }  else{
      player1_rank = player1_card[0];
      player1_suit = player1_card[1];
      question1flag = 0;
      question2flag = 1;
    }
    }
   if(question2flag){
    printf("Enter player 2's card(Rank followed by suit): \n");
    scanf(" %s",player2_card);
    flagforrank = isValidRank(player2_card[0]);
    flagforsuit = isValidSuit(player2_card[1]);

    if((flagforrank=='0') || (flagforsuit=='0') || (strlen(player2_card)!=2)){
      printf("Invalid Card Please Re Enter.");
    }  else{
      player2_rank = player2_card[0];
      player2_suit = player2_card[1];
      question2flag = 0;
      question3flag = 1;
 }
 }
 if(question3flag){
    printf("Enter player 3's card(Rank followed by suit): \n");
    scanf(" %s",player3_card);
    flagforrank = isValidRank(player3_card[0]);
    flagforsuit = isValidSuit(player3_card[1]);

    if((flagforrank=='0') || (flagforsuit=='0') || (strlen(player3_card)!=2)){
      printf("Invalid Card Please Re Enter.");
    }  else{
      player3_rank = player3_card[0];
      player3_suit = player3_card[1];
      question3flag = 0;
      question4flag = 1;
 }
 }
 if(question4flag){
    printf("Enter player 4's card(Rank followed by suit): \n");
    scanf(" %s",player4_card);
    flagforrank = isValidRank(player4_card[0]);
    flagforsuit = isValidSuit(player4_card[1]);

    if((flagforrank=='0') || (flagforsuit=='0') || (strlen(player4_card)!=2)){
      printf("Invalid Card Please Re Enter.");
    }  else{
      player4_rank = player4_card[0];
      player4_suit = player4_card[1];
      question4flag = 0;
      flagloop = 0;
 }
 }
}
 printf("%c%c, ",player1_card[0],player1_card[1]);
 printf("%c%c, ",player2_card[0],player2_card[1]);
 printf("%c%c, ",player3_card[0],player3_card[1]);
 printf("%c%c, ",player4_card[0],player4_card[1]);


    return 0;
}