#include <iostream.h>
#include <stdlib.h>
#include <stdio.h>
#include <conio.h>   //za da se izpolzva getch();

struct animal {
   int nomer;
   char vid[10];
   char poroda[20];
   char vazrast;
   float cena;
   char imunizacii[2];
   char broi;
} a;

FILE *f;
long pos;


//podprogrami

  void dobavqne() { //dobavqne na jivotno
    system("cls");
    f=fopen("c:/matilda.db","ab");
    cout<<"Molq vavedete dannite za 1 jivotno:"<<endl;
    cout<<"Nomer (tricifren kod): "; cin>>a.nomer;
    cout<<"Vid (ku4e, kotka...): "; cin>>a.vid;
    cout<<"Poroda: "; cin>>a.poroda;
    cout<<"Vazrast (v meseci): "; cin>>a.vazrast;
    cout<<"Cena: "; cin>>a.cena;
    cout<<"Broi: "; cin>>a.broi;
    cout<<"Ima li nujda ot imunizacii (da/ne): ";
    cin>>a.imunizacii;
    fwrite(&a, sizeof(a), 1, f);
    cout<<"Zapisa e sahranen";
    fclose(f);
  }
  
  void promqna () { //aktualizirane na danni
    int n, izbor;
    f=fopen("c:/matilda.db","rb+");
    system("cls");
    cout<<"nomer na jivotno za redaktirane: ";
    cin>>n;
    do {
     pos=ftell(f);
     fread(&a, sizeof(a), 1, f);
     if (a.nomer==n) {
      cout<<"teku]i danni: "<<endl;
      cout<<"1. Vid: "<<a.vid<<endl;
      cout<<"2. Poroda: "<<a.poroda<<endl;
      cout<<"3. Vazrast: "<<a.vazrast<<endl;
      cout<<"4. Cena: "<<a.cena<<endl;
      cout<<"5. Imunizacii: "<<a.imunizacii<<endl;
      cout<<"6. Broj: "<<a.broi<<endl;
      cout<<"kakvo iskate da korigirate: ";
      cin>>izbor;
      cout<<"vavedi novata stojnost: ";
      switch (izbor ) {
        case 1: cin>>a.vid; break;
        case 2: cin>>a.poroda; break;
        case 3: cin>>a.vazrast; break;
        case 4: cin>>a.cena; break;
        case 5: cin>>a.imunizacii; break;
        case 6: cin>>a.broi; break;
       }
       fseek(f, pos, SEEK_SET);
       fwrite(&a, sizeof(a), 1, f);
      break;
     }
    } while(!feof(f));
   fclose(f);
   getch();
  }
  
  void del_prodadeni () { //premahwane na prodadeni
  }
  
  void del_jivotno () {  //nulirane na dannite za jivotno
    int n;
    f=fopen("c:/matilda.db","rb+");
    system("cls");
    cout<<"nomer na jivotno za nulirane: ";
    cin>>n;
    do {
     pos=ftell(f);
     fread(&a, sizeof(a), 1, f);
     if (a.nomer==n) {
       a.nomer=0;
       cout<<"jivotnoto e nulirano";
     }
       fseek(f, pos, SEEK_SET);
       fwrite(&a, sizeof(a), 1, f);
      break;

    } while(!feof(f));
   fclose(f);
   getch();
  }
  
  void spravka1 () {    //spisyk na vsi`4ki jivotni
   f=fopen("c:/matilda.db","rb");
   fread(&a, sizeof(a), 1, f);
   while(!feof(f)){
    if (a.nomer!=0) {
      cout<<"Nomer: "<<a.nomer<<" ";
      cout<<a.vid<<", "<<a.poroda<<" "<<a.broi;
      cout<<" br."<<endl;
    }
    fread(&a, sizeof(a), 1, f);
   }
   fclose(f);
   getch();  //pro4ita koj klavi6 e natisnat
  }          //polzvame go za da ni iz4akva

  void spravka2 () {    //vsi4ki do 20 leva
  }
  
  void spravka3 () {    //po vid
   char v[10];
    cout<<"vavedi vid jivotno: ";
    cin>>v;
    f=fopen("c:/matilda.db","rb");
    fread(&a, sizeof(a), 1, f);
    while(!feof(f)){
    if ((strcmp(a.vid,v)==0)&&(a.nomer!=0)) {
     cout<<"Nomer: "<<a.nomer<<" ";
     cout<<a.vid<<", "<<a.poroda<<" "<<a.broi;
     cout<<" br. "<<a.vazrast<<" meseca"<<endl;
    }
    fread(&a, sizeof(a), 1, f);
   }
   fclose(f);
   getch();  //pro4ita koj klavi6 e natisnat
  }
  
  void spravka4 () {    //po poroda
  }
  
  void spravka5 () {    //nad ??? meseca
    char m;
    cout<<"vavedi minimalen broi meseci: ";
    cin>>m;
    f=fopen("c:/matilda.db","rb");
    fread(&a, sizeof(a), 1, f);
    while(!feof(f)){
    if ((a.vazrast>=m)&&(a.nomer!=0)) {
     cout<<"Nomer: "<<a.nomer<<" ";
     cout<<a.vid<<", "<<a.poroda<<" "<<a.broi;
     cout<<" br. "<<a.vazrast<<" meseca"<<endl;
    }
    fread(&a, sizeof(a), 1, f);
   }
   fclose(f);
   getch();  //pro4ita koj klavi6 e natisnat
  }
  
  void spravka6 () {    //nujda ot imunizacii
    f=fopen("c:/matilda.db","rb");
    fread(&a, sizeof(a), 1, f);
    while(!feof(f)){
    if ((strcmp(a.imunizacii, "da")==0)&&(a.nomer!=0)) {
     cout<<"Nomer: "<<a.nomer<<" ";
     cout<<a.vid<<", "<<a.poroda<<" "<<a.broi;
     cout<<" br. "<<a.vazrast<<" meseca"<<endl;
    }
    fread(&a, sizeof(a), 1, f);
   }
   fclose(f);
   getch();  //pro4ita koj klavi6 e natisnat
  }

  void del_vsi4ko () {  //iztrivane na bazata danni
   char otg;
   system("CLS");
   cout<<"Sigurni li ste 4e iskate da iztriete vsi4ko (y/n) ?";
   cin>>otg;
   if (otg=='y') remove("c:/matilda.db");
   cout<<"Dannite sa iztriti";
   getch();
  }
//kraj na podprogramite

//na4alo na glavnata programa
int main()
{
//promenlivi
int choice;

//glavno menu
while (true) {
  system("CLS");
  cout<<"Zoomagazin MATILDA"<<endl<<endl;
  cout<<"1. Dobavqne na jivotno"<<endl;
  cout<<"2. Korekcii (aktualizacii)"<<endl;
  cout<<"3. Iztrivane na jivotno (nulirane)"<<endl;
  cout<<"4. Spravki"<<endl;
  cout<<"5. Iztrivane na vsi4ki danni"<<endl;
  cout<<"6. Izhod"<<endl;

  cout<<"Molq izberete dejstvie: ";
  cin>>choice;
  //proverka kakvo e izbral potrebitelq
  switch (choice) {
    case 1: dobavqne(); break;
    case 2: {
        system("CLS");
        cout<<"Izberete tip na aktualizaciq ili vavedete proizvolno ";
        cout<<endl<<"4islo za vra6tane v glavnoto menu: "<<endl;
        cout<<"1. Promqna na danni"<<endl;
        cout<<"2. Iztrivane na prodadeni"<<endl;
        cin>>choice;
        if (choice==1) promqna();
        if (choice==2) del_prodadeni();
        break;
       }
    case 3: del_jivotno(); break;
    case 4: {
        system("CLS");
        cout<<"Izberete vid spravka ili drugo 4islo za vry6tane "<<endl;
        cout<<"v glavnoto menu"<<endl;
        cout<<"1. Spisyk na jivotnite"<<endl;
        cout<<"2. Vsi4ki s cena do 20 lv"<<endl;
        cout<<"3. Spravka po vid"<<endl;
        cout<<"4. Spravka po poroda"<<endl;
        cout<<"5. Vsi4ki nad ??? meseca"<<endl;
        cout<<"6. Vsi4ki s nujda ot imunizacii"<<endl;
        
        cin>>choice;
        if (choice==1) spravka1();
        if (choice==2) spravka2();
        if (choice==3) spravka3();
        if (choice==4) spravka4();
        if (choice==5) spravka5();
        if (choice==6) spravka6();
        break;
       }
    case 5: del_vsi4ko(); break;
    case 6: exit(0);
  }
 }  //kraj na glavnoto menu


    return 0;
}