#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <string.h>
#include <ctype.h>

void spinning(int *num){
    for(int i = 0; i < 3; i++)
        num[i] = rand() % 10;
}

int isLucky(int *luckyNum){
	if(luckyNum[0] == luckyNum[1] && luckyNum[0] == luckyNum[2]){
		return 3;
    }
	else if(luckyNum[0] == luckyNum[1] || luckyNum[1] == luckyNum[2] || luckyNum[0] == luckyNum[2]){
		return 2;
	}
	else
		return 1;
}

void shows(int *num){
    for(int i = 0; i < 3; i++)
        printf("%d", num[i]);
}

void input(int &n){
	bool loop = true;
	while(loop){
		scanf("%d", &n);
		if(!isspace(getchar())){
			fflush(stdin);
			printf("Try Again!\n");
		}
		else
			loop = false;
	}
}

int main(int argc, char** argv) {
    srand(time(NULL));
    //declarations
    int slotcase;
    int randomDigit[3];
    int choice;
    float budget;
    bool loop = true;
    //setup
    FILE *save;
    char filename[] = "savegame.txt";
    save = fopen(filename, "r+");
    if(save == NULL){
    	fclose(save);
    	save = fopen(filename, "w");
		fprintf(save,"%f", 10.00);
    	fclose(save);
  		save = fopen(filename, "r+");
	}
    fscanf(save,"%f", &budget);
    //loop
    while(loop){
        printf("You have $%g\n", budget);
        printf("Choose one of the following menu options:\n1. Play the Slot machine.\n2. Save game.\n3. Cash out.\n");
    	if(budget <= 0){
            fclose(save);
            remove(filename);
    		printf("Sorry, you're out of wallet!\nThankyou for playing, see you next time!");
    		break;
		}
        input(choice);
        switch(choice){
            case 1:{
                budget -= 0.25;
                spinning(randomDigit);
                slotcase = isLucky(randomDigit);
                printf("The slot machine shows ");
                shows(randomDigit);
                printf(" .\n");
                if(slotcase == 3){
                    budget += 10;
                    printf("You win the big prize, $10.00!\n");
				}
                else if(slotcase == 2){
                    budget += 0.5;
                    printf("You win 50 cents!\n");
				}
				else printf("Sorry you don't win anything.\n");
                break;
            }
            case 2:{
            	fclose(save);
                remove(filename);
			    save = fopen(filename, "w+");
                fprintf(save,"%f", budget);
                printf("Your money had saved.\n");
                break;
            }
            case 3:{
              printf("Thankyou for playing! You end with $%g!", budget);
              loop = false;
              break;
            }
            default:
                 printf("Trying enter those choices on above, bro!\n");
        }
   }
    fclose(save);
    return 0;

}