#include <stdio.h>
#include <string.h>
typedef struct {
	int curs;
	int seminar;
}absente;
typedef struct {
	int indicator;
	int id;
	char nume[25];
	int an;
    int grupa;
	absente d[15];
} student;

void creare(char nume_f[25])        // asta nu trebuie!!Fisierul organizat e deja creat
{
	FILE *f;
	int i;
	student a;
	f = fopen(nume_f, "wb");
	printf("Indicator de stare: ");
	scanf("%d", &a.indicator);
	fflush(stdin);

	while (!feof(stdin))
	{
		printf("ID=");
		getc(stdin);
		scanf("%d", &a.id);
		printf("Nume: "); getc(stdin); gets(a.nume);
		printf("An:"); scanf("%d", &a.an);
		printf("Grupa:"); scanf("%d", &a.grupa);
		for (int i = 0; i < 15; i++)
		{
			printf("Absente curs disciplina %d : ", i+1);
			scanf("%d", &a.d[i].curs);
			printf("Absente seminar disciplina %d : ", i+1);
			scanf("%d", &a.d[i].seminar);
		}
		fwrite(&a, sizeof(a), 1, f);
		fflush(stdin);
		printf("Indicator de stare: "); getc(stdin); scanf("%d", &a.indicator);
		fflush(stdin);
	}
	fclose(f);
}

void absenta(char nume_f[25])
{
	FILE *f;
	student x;
	int cod1, vb;
	int disciplina;
	char y[20];
	if (!(f = fopen(nume_f, "rb+")))
		printf("nu exista fisierul");
	else {
		printf("Numarul matricol al elevului cautat: ");
		scanf("%d", &cod1);
		printf("Disciplina: ");
		scanf("%d", &disciplina);
		printf("C/S: ");
		getc(stdin);
		gets(y);
		while (!feof(stdin))
		{
			rewind(f);
			vb = 0;
			fread(&x, sizeof(x), 1, f);
			while (!feof(f) && (vb == 0))
			{
				if (cod1 == x.id)
				{
					if (y[0] == 'C' || y[0]=='c')
					{
						x.d[disciplina-1].curs++;
						fseek(f, ftell(f) - sizeof(x), 0);
						fwrite(&x, sizeof(x), 1, f);
						vb = 1;
					}
					if (y[0] == 'S' || y[0] == 's')
					{
						x.d[disciplina-1].seminar++;
						fseek(f, ftell(f) - sizeof(x), 0);
						fwrite(&x, sizeof(x), 1, f);
						vb = 1;
					}
				}
				else fread(&x, sizeof(x), 1, f);
			}
			if (vb == 0) printf("codul nu exista");
			printf("Numarul matricol al elevului cautat: ");
			scanf("%d", &cod1);
			printf("Disciplina: ");
			scanf("%d", &disciplina);
			printf("C/S: ");
			getc(stdin);
			gets(y);

		}
		fclose(f);
	}

}
void afisare(char nume_f[20]) //cerinta 2
{
	FILE *f, *g;
	student x;
	int i = 0;
	if (!(f = fopen(nume_f, "rb"))) printf("nu exista fisierul");
	else
	{
		g = fopen("lista2.txt", "w");
		printf("\n ");
		fprintf(g, "										  	ABSENTE \n");
		fprintf(g, "============================================================================================================================================================================================================================== \n ");
		fprintf(g, "						                ||   1    ||   2    ||   3    ||   4    ||   5    ||   6    ||   7    ||   8    ||   9    ||   10   ||   11   ||   12   ||   13   ||   14   ||   15   || \n");
		fprintf(g, "============================================================================================================================================================================================================================== \n ");
		fprintf(g, "Indicator de stare || ID ||     Nume      ||   An  ||   Grupa  || C || S || C || S || C || S || C || S || C || S || C || S || C || S || C || S || C || S || C || S || C || S || C || S || C || S || C || S || C || S || \n ");
		fprintf(g, "==============================================================================================================================================================================================================================\n ");
		fread(&x, sizeof(x), 1, f);
		while (!feof(f))
		{
			fprintf(g, "\n %-18d || %2d || %-14s|| %5d || %8d || %d || %d || %d || %d || %d || %d || %d || %d || %d || %d || %d || %d || %d || %d || %d || %d || %d || %d || %d || %d || %d || %d || %d || %d || %d || %d || %d || %d || %d || %d ||", x.indicator, x.id, x.nume, x.an, x.grupa, x.d[0].curs, x.d[0].seminar, x.d[1].curs, x.d[1].seminar, x.d[2].curs, x.d[2].seminar, x.d[3].curs, x.d[3].seminar, x.d[4].curs, x.d[4].seminar, x.d[5].curs, x.d[5].seminar, x.d[6].curs, x.d[6].seminar, x.d[7].curs, x.d[7].seminar, x.d[8].curs, x.d[8].seminar, x.d[9].curs, x.d[9].seminar, x.d[10].curs, x.d[10].seminar, x.d[11].curs, x.d[11].seminar, x.d[12].curs, x.d[12].seminar, x.d[13].curs, x.d[13].seminar, x.d[14].curs, x.d[14].seminar);
			fread(&x, sizeof(x), 1, f);
		}
		fclose(f); fclose(g);
	}
}

void main()
{
	FILE *f;
	char nume_f[25];
	printf("\n nume fisier secvential:");
	gets(nume_f);
	//creare(nume_f);
	absenta(nume_f);
	afisare(nume_f);

}