#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define CLS 	system("cls")
int main(){
	CLS;
	typedef struct{
		char user[20];
		char pass[20];
		int code;
	}user;
	int tot;
	user a;
	FILE *db;
	int ch;
	char sp;
	db=fopen("data.txt","r");
	while(fscanf(db,"%c",&sp)>0){
		if(sp=='\n'){
			tot++;
		}
	}
	fclose(db);
	printf("1) Registrati\n2) Fai il login\nInserisci il numero: ");
	scanf("%d",&ch);
	if(ch==1){
		db=fopen("data.txt","a");
		CLS;
		printf("Inserisci 1 username: ");
		scanf("%s",a.user);
		printf("Inserisci 1 password: ");
		scanf("%s",a.pass);
		printf("Inserisci 1 codice di recupero: ");
		scanf("%i",&a.code);
		fprintf(db,"\n%s\t%s\t%d",a.user,a.pass,a.code);
		fclose(db);
	}else if(ch==2){
		char user[20],pass[20];
		int code;
		db=fopen("data.txt","r");
		CLS;
		printf("Inserisci l'username: ");
		scanf("%s",user);
		printf("Inserisci la password: ");
		scanf("%s",pass);
		for(int i=0;i<tot;i++){
			fscanf(db,"%s\t%s\t%d\n",a.user,a.pass,&a.code);
			if(!strcmp(user,a.user)&&(!strcmp(pass,a.pass))){
				printf("LOGIN SUCCES");
				exit(-1);
			}else{
				printf("ERROR");
				exit(-1);
			}
		}
		}
}