#include <iostream>
#include <string>
#include <conio.h>

using namespace std;

struct Data
{
    void Make(Data d)
    {
        name=d.name;
        recepta=d.recepta;
        ilosc=d.ilosc;
        index=d.index;
    }
    string name;
    string recepta;
    int ilosc;
    string index;
};

struct Node
{
    void Display(int i)
    {
        cout <<  "l" << i << ". " << dat->name << " " << dat->recepta << " " << dat->index << " " << dat->ilosc << endl;
    }
    Node* next;
    Node* prev;
    Data* dat;
};

struct List
{
    void Make()
    {
        start=new Node;
        start->next=NULL;
        start->prev=NULL;
        start->dat=NULL;
    }
    void Add(Data d)
    {
        Node* s=start;
        if(s->dat==NULL)
        {
            s->dat=new Data();
            s->dat->Make(d);
        }else
        {
            while(s->next!=NULL)
                s=s->next;
            s->next=new Node();
            s->next->prev=s;
            s->next->next=NULL;
            s->next->dat=new Data();
            s->next->dat->Make(d);
        }
    }
    Node* Find(string index,int &l)
    {
        int n=1;
        Node* s=start;
        if(s->dat!=NULL)
            do
            {
                l=n;
                if(s->dat->index==index) return s;
                s=s->next;
                n++;
            }while(s!=NULL);
            l=0;
            return s;
    }
    void Display()
    {
        int n=1;
        Node* s=start;
        if(s->dat!=NULL)
            do
            {
                s->Display(n);
                s=s->next;
                n++;
            }while(s!=NULL);
    }
    void Delete(string index)
    {
        int tmp;
        Node* n=Find(index,tmp);
        if(tmp)
        {
            if(n->next!=NULL&&n->prev!=NULL)
            {
                n->prev->next=n->next;
                delete n;
            }else if(n->next==NULL&&n->prev!=NULL)
            {
                n->prev->next=NULL;
                delete n;
            }else if(n->next!=NULL&&n->prev==NULL)
            {
                n->next->prev=NULL;
                start=n->next;
                delete n;
            }else
            {
                n->dat=NULL;
            }
        }
    }
    Node* start;
};

void Header()
{
    system("cls");
    cout << "-------------------------------------------------------------------------------" << endl;
    cout << "|   Autor : Katarzyna Sojka                                                   |" << endl;
    cout << "|   Projekt : Baza danych lekow                                               |" << endl;
    cout << "|   Data : 18.05.2012                                                         |" << endl;
    cout << "-------------------------------------------------------------------------------" << endl << endl;
}
void Footer()
{
    cout << "Ok. Nacisnij dowolny klawisz";
    fflush(stdin);
    getc(stdin);
}
int Menu()
{
    Header();
    int o;
    cout << "1. Dodaj lek"<<endl;
    cout<<  "2. Znajdz lek"<<endl;
    cout<<  "3. Usun lek"<<endl;
    cout<<  "4. Podejrzyj liste"<<endl;
    cout<<  "5. Wczytaj z pliku"<<endl;
    cout<<  "6. Wyjscie"<<endl;
    cout << "Wybierz opcje: ";
    cin >> o;
    return o;
}
void WczytajZPliku(List *L)
{     system("cls");
     FILE *test = NULL;
     char leki[10][20] = {0};
     int i = 0;
     int recepta1 = 0, nierecepta1 = 0;
     test=fopen("leki.txt", "r+t");
     for (i = 0; i < 10; i++)
  {
    fscanf(test, "%s", &leki[i]);
    printf("Czy %s jest na recepte (T,N)\n", leki[i]);

    if(getch()=='t')
    {
               recepta1++;
               }
               else
                   nierecepta1++;
                   }
                   fclose(test);
                   printf("Lekow na recepte jest %d, a bez recepty: %d \n", recepta1,nierecepta1);
                   getch();
                   }








void AddLek(List *L)
{
    Header();
    Data d;
    cout << "Nazwa: ";        cin >> d.name;
    cout << "Recepta: ";    cin >> d.recepta;
    cout << "Indeks: ";        cin >> d.index;
    cout << "Ilosc w opakowaniu: ";        cin >> d.ilosc;
    L->Add(d);
    Footer();
}
void ShowList(List *L)
{
    Header();
    L->Display();
    Footer();
}
void FindLek(List *L)
{
    Header();
    cout << "Indeks szukanego leku: ";
    string index;
    cin >> index;
    int res;
    L->Find(index,res);
    if(res)
        cout << "Lek znajduje sie w bazie na " << res << " pozycji.";
    else
        cout << "Lek nie znajduje sie w bazie.n";
    Footer();
}
void DeleteLek(List *L)
{
    Header();
    cout << "Indeks leku do usuniecia: ";
    string index;
    cin >> index;
    L->Delete(index);
    Footer();
}
int main()
{
    List L;
    int Opt=0;
    L.Make();
    while(Opt!=6)
    {
        Opt=Menu();
        switch(Opt)
        {
        case 1:    AddLek(&L);        break;
        case 2:    FindLek(&L);    break;
        case 3: DeleteLek(&L);    break;
        case 4:    ShowList(&L);        break;
        case 5:    WczytajZPliku(&L);        break;

        }

    }
    return 0;
}