#include <stdio.h>
#include <conio.h>
#include <stdlib.h>
#include <math.h>
#include <time.h>
#define SIZE 36
#define HAND_SIZE 6
#define LEAR_LIST 4
#define MAX 14


typedef struct
{
    int par;
    char lear;
}card;

void create_deck(card deck[]);
void take_card(card deck[], card hand[], int *curr);
void print_hand (card hand[]);
void welcome();


int main(void)
{
    system ("chcp 65001");
    system ("cls");
    system ("color F0");
    int curr=0;
    char ch=0;
    card deck[SIZE]={0};
    card hand[HAND_SIZE]={0};
    create_deck(deck);
    welcome();
    printf("Press 'y'\n");
    while(1)
    {
        ch=_getch();
        if(ch=='y')
            {
            take_card(deck, hand, &curr);
            print_hand(hand);
            printf("\nTake one more card?(y/n): \n");
            }
        else if(ch=='n')
        {
            system("cls");
            printf("=)");
            break;
        }
    }
    _getch();
    return 0;
}

void create_deck(card deck[])
{
    int temp_index=0;
    for(int i=0;i<LEAR_LIST;i++)
    {
            for(int j=6;j<=MAX;j++)
            {
                deck[temp_index].par=j;
                deck[temp_index].lear=65+i;
                temp_index++;
            }
    }
}


void take_card(card deck[], card hand[], int *curr)
{
    time_t tm;
    int t=time(&tm);
    srand(t);
    int index=rand()%(SIZE-1);;
    while(1)
    {
        if(deck[index].par==0 && deck[index].lear=='0')
        {
        index=rand()%(SIZE-1);
        }
        else
        {
            hand[*curr]=deck[index];
            deck[index].par=0;
            deck[index].lear='0';
            break;
        }
    }
}

void print_hand (card hand[])
{
    for(int i=0;i<HAND_SIZE;i++)
    {
        if(hand[i].par==0) break;
        switch (hand[i].par)
        {
            case 11:
            printf("J"); break;
            case 12:
            printf("D"); break;
            case 13:
            printf("K"); break;
            case 14:
            printf("A"); break;
            default:
            printf("%d", hand[i].par);
            break;
        }
        switch (hand[i].lear)
        {
            case 65:
            printf("\x06"); break;  //SPADE
            case 66:
            printf("\x05"); break; //CLUB
            case 67:
            printf("\x03"); break;  //HEART
            case 68:
            printf("\x04"); break; //DIAMOND
            default:
            break;
        }
        printf ("  ");
    }
}

void welcome()
{
    printf("-----------------------------------------------\n");
    printf("|               Black Jack Game               |\n");
    printf("-----------------------------------------------\n");
    printf("Press any key to read rules...\n");
    _getch();
    system("cls");
    printf("Rules: \n\n");
    printf(" You must collect a combination of cards as close as possible to 21.\n \
If you go over, you lose.\n \
To win - the sum of your cards must be higher than the sum of the dealer's cards.\n\n");
    printf("Costs of carts: \n\n");
    printf("6 - 6\n7 - 7\n8 - 8\n9 - 9\n10 - 10\nJ/D/K - 10\nA - 1/11(in ur choose)\n\n");
    printf("Press any key to start....");
    _getch();
    system("cls");
}