#include <stdio.h>
#include <stdlib.h>
#include <conio.h>
#include <string.h>

struct produse_electronice{
    char prod[20], model[20], categ[20];
    int pret;

    char reteaua[20], culoare[20];
    int g, buc1;

    char tip[20], ram[20];
    int diag, buc2;
};

void afisare(struct produse_electronice t[100], int *n) {
    int i;
    for (i = 0; i < *n; i++)
    {
        printf("%s %s %d %s ", t[i].prod, t[i].model, t[i].pret, t[i].categ);
        if (stricmp(t[i].categ, "TELEFOANE") == 0)
            printf("%s %s %d %d\n", t[i].reteaua, t[i].culoare, t[i].g, t[i].buc1);
        else
            printf("%s %s %d %d\n", t[i].tip, t[i].ram, t[i].diag, t[i].buc2);
    }
}

int adaugare(struct produse_electronice t[100], int *n) {
    FILE *f;
    if (fopen_s(&f, "stoc.txt", "rt")) {
        printf("Error");
    }
    else
    {
        int sw = 0;
        while (!feof(f))
        {
            sw = 1;
            fscanf(f, "%s", t[*n].prod, _countof(t[*n].prod));
            fscanf(f, "%s", t[*n].model, _countof(t[*n].model));
            fscanf(f, "%d", &t[*n].pret);
            fscanf(f, "%s", t[*n].categ, _countof(t[*n].categ));
            if (stricmp(t[*n].categ, "TELEFOANE") == 0) {
                fscanf(f, "%s", t[*n].reteaua, _countof(t[*n].reteaua));
                fscanf(f, "%s", t[*n].culoare, _countof(t[*n].culoare));
                fscanf(f, "%d", &t[*n].g);
                fscanf(f, "%d", &t[*n].buc1);
            }
            else
            {
                fscanf(f, "%s", t[*n].tip, _countof(t[*n].tip));
                fscanf(f, "%s", t[*n].ram, _countof(t[*n].ram));
                fscanf(f, "%d", &t[*n].diag);
                fscanf(f, "%d", &t[*n].buc2);
            }
            (*n)++;
        }

        if (sw)
            afisare(t, n);
        fclose(f);
        return sw;
    }
    fclose(f);
}
void salvare(struct produse_electronice t[100], int *n) {
    FILE *g;
    fopen_s(&g, "stoc.txt", "wt");
    int i;
    for (i = 0; i <= (*n); i++) {
        fprintf(g, "%s %s %d %s ", t[i].prod, t[i].model, t[i].pret, t[i].categ);
        if (stricmp(t[i].categ, "TELEFOANE") == 0)
        {
            fprintf(g, "%s %s %d %d", t[i].reteaua, t[i].culoare, t[i].g, t[i].buc1);
            if (i != (*n))
                fprintf(g, "\n");
        }
        else
        {
            fprintf(g, "%s %s %d %d", t[i].tip, t[i].ram, t[i].diag, t[i].buc2);
            if (i != (*n))
                fprintf(g, "\n");
        }
    }
    (*n)++;
}
void introducere(struct produse_electronice t[100], int *n) {
    printf("Producator: "); scanf_s("%s", t[*n].prod, _countof(t[*n].prod));
    printf("Model: "); scanf_s("%s", t[*n].model, _countof(t[*n].model));
    printf("Pret: "); scanf_s("%d", &t[*n].pret);
    printf("Categorie: "); scanf_s("%s", t[*n].categ, _countof(t[*n].categ));
    if (stricmp(t[*n].categ, "TELEFOANE") == 0) {
        printf("Reteaua: "); scanf_s("%s", t[*n].reteaua, _countof(t[*n].reteaua));
        printf("Culoarea: "); scanf_s("%s", t[*n].culoare, _countof(t[*n].culoare));
        printf("Greutate: "); scanf_s("%d", &t[*n].g);
        printf("Bucati: "); scanf_s("%d", &t[*n].buc1);
    }
    else
    {
        printf("Tip: "); scanf_s("%s", t[*n].tip, _countof(t[*n].tip));
        printf("Ram: "); scanf_s("%s", t[*n].ram, _countof(t[*n].ram));
        printf("Diagonala: "); scanf_s("%d", &t[*n].diag);
        printf("Bucati: "); scanf_s("%d", &t[*n].buc2);
    }
    salvare(t, n);
}

int main() {
    struct produse_electronice t[100];
    int n = 0;
    int opt;
    do {
        system("cls");
        printf("1.Citire+Afisare\n2.Afisare\n3.Introducere+Salvare\n0.Iesire\n");
        printf("Optiune: "); scanf_s("%d", &opt);
        switch (opt) {
        case 1: if (adaugare(t, &n) == 0) printf("Nu exista elemente in fisier");
            system("pause");
            break;
        case 2: afisare(t, &n); system("pause"); break;
        case 3: introducere(t, &n); break;
        default: break;
        }
    } while (opt != 0);
    return 0;
}