#include <stdio.h>
#include <string.h>
#include "header.h"
#define BAZA_DATE "utilizatori.db"

int main(void){
	FILE *baza_date;
	baza_date = fopen(BAZA_DATE, "r+");
	if (!baza_date){
		creare_baza_date();
	}
	if(scanare()==0){
		printf("_____________ INREGISTRARE UTILIZATOR _____________\n");
		creare_cont();
	} else {
		printf("_____________ LOGARE UTILIZATOR _____________\n");
		logare_cont();
	}
	fclose(baza_date);
}

int scanare(){
	char numarare;
	int linii=0;
	FILE *baza_date;
	baza_date = fopen(BAZA_DATE, "r");
	while((numarare=fgetc(baza_date))!=EOF){
		if(numarare=='\n'){
			linii++;
		}
	}
	return linii;
}

int logare_cont(){
	FILE *baza_date;
	baza_date = fopen(BAZA_DATE, "r+");
	int comparaNume;
	int comparaParola;
	int comparaStergereParola;
	int verificare;
	char nume[32];
	char parola[32];
	printf("Nume: ");
	scanf("%s", nume);
	printf("Parola: ");
	scanf("%s", parola);
	printf("Esti robot? (1+1): ");
	scanf("%d", &verificare);
	if (!(verificare==2)){
		for(int i=0;i<1;i++){
			printf("Esti robot? (1+1): ");
			scanf("%d", &verificare);
		}
	}
	if (verificare == 2){
		fscanf(baza_date, "%s | %s | %s", cont.nume, cont.parola, cont.email);
		fscanf(baza_date, "%s | %s | %s", cont.nume, cont.parola, cont.email);
		comparaNume = strcmp(nume,cont.nume);
		comparaParola = strcmp(parola,cont.parola);
		if(comparaNume == 0){
			if (comparaParola == 0){
				printf("\nContul exista"); //debug
				printf("\nBun venit, %s", cont.nume);
			} else {
				printf("\nParola pentru contul '%s' este gresita.", cont.nume);
				fclose(baza_date);
				resetare_parola();
			}
		} else {
			comparaStergereParola = strcmp(parola, parola_secreta);
			if(comparaStergereParola == 0){
				stergere_baza_date();
			} else {
			printf("\nNumele de utilizator este gresit.");
			}
		}
	} else {
		printf("Verificarea a esuat.");
		return 0;
	}
	return 1;
}

int creare_cont(){
	FILE *baza_date;
	baza_date = fopen(BAZA_DATE, "r+");
	i=0;
	printf("Nume: ");
	scanf("%s", cont.nume);
	printf("Parola: ");
	scanf("%s", cont.parola);
	if(strlen(cont.parola)<6){
		printf("Inregistrarea necesita o parola de minim 6 caractere\n");
		printf("Parola: ");
		scanf("%s", cont.parola);
	}
	printf("E-mail:");
	scanf("%s", cont.email);
	verificare_robot_inregistrare();
	return 1;
}

int creare_baza_date(){
	FILE *baza_date;
	int raspuns=0;
	printf("Baza de date inexistenta\nDoresti sa initializezi una? (1 - da; 0 - nu): ");
	scanf("%d", &raspuns);
	switch (raspuns) {
	case 0:
		printf("Program terminat! (baza de date inexistenta)");
		break;
		return 0;
	case 1:
		baza_date = fopen(BAZA_DATE, "w");
		fprintf(baza_date, "Nume | Parola | E-mail");
		printf("Baza de date a fost creata!\n");
		fclose(baza_date);
		break;
	default:
		printf("Valoare gresita\n");
		printf("Terminare program...\n");
		return 0;
	}
	return 1;
}

int stergere_baza_date(){
	remove(BAZA_DATE);
	printf("Baza de date a fost stearsa!\n");
	return 1;
}

int verificare_robot_inregistrare(){
	int verificare;
	FILE *baza_date;
	baza_date = fopen(BAZA_DATE, "a");
	printf("Esti robot? (1+1): ");
	scanf("%d", &verificare);
	if (!(verificare==2)){
		for(int i=0;i<1;i++){
			printf("Esti robot? (1+1): ");
			scanf("%d", &verificare);
		}
	}
	if (verificare == 2){
		fprintf(baza_date, "\n%s | %s | %s", cont.nume, cont.parola, cont.email);
		printf("Contul a fost creat cu numele: %s", cont.nume);
		fclose(baza_date);
		intrebare_logare();
	} else {
		printf("Verificarea a esuat.");
		return 0;
	}
	return 1;
}

int intrebare_logare(){
	int rasp;
	printf("\nDoresti sa te autentifici (1 - da; 0 - nu) ? :");
	scanf("%d", &rasp);
	if(rasp == 1){
	logare_cont();
	} else {
	printf("Terminare program...");
	}
	return 1;
}

int resetare_parola(){
	int raspuns;
	int caracteremail;
	char email[32];
	int comparaEmail;
	FILE *baza_date;
	baza_date = fopen(BAZA_DATE, "r+");
	printf("\nDoresti sa resetezi parola (1 - da; 0 - nu) ? ");
	scanf("%d", &raspuns);
	if (raspuns == 1){
		fscanf(baza_date, "%s | %s | %s", cont.nume, cont.parola, cont.email);
		fscanf(baza_date, "%s | %s | %s", cont.nume, cont.parola, cont.email);
		printf("\nIntroduceti email-ul de la contul '%s'", cont.nume);
		printf("\n%c%c%c", cont.email[0], cont.email[1], cont.email[2]);
		caracteremail = strlen(cont.email) - 3;
		for(i=0;i<caracteremail;i++){
			printf("*");
		}
		printf(": ");
		scanf("%s", email);
		comparaEmail = strcmp(email,cont.email);
				if(comparaEmail == 0){
					printf("Introduceti noua parola: ");
					scanf("%s", cont.parola);
					printf("Parola a fost schimbata.");
					fclose(baza_date);
					baza_date = fopen(BAZA_DATE, "r+");
					fprintf(baza_date, "Nume | Parola | E-mail");
					fprintf(baza_date, "\n%s | %s | %s", cont.nume, cont.parola, cont.email);
					fclose(baza_date);
					intrebare_logare();
				} else {
					printf("Email gresit. Terminare.");
					return 0;
				}
	} else {
		printf("Terminare program...");
		return 0;
	}
	return 1;
}