//---------------------------------------------------------------------------

#include <vcl.h>
#pragma hdrstop

#include "Barys_Ind_4.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------

void TForm1::Skaityti()
{
    FILE* FR;
    FR = fopen(ABONENTAI, "r");

    if (FR == NULL)
    {
        ShowMessage("Failas " + String(ABONENTAI) + " nerastas.");
        Close();
    }

    abon_sk = 0;
    char linija[200];

    while (!feof(FR))
    {
        fgets(linija, 200, FR);
        abon_sk++;
    }

    fclose(FR);

    FR = fopen(ABONENTAI, "r");

    abonentai = new abonentas [abon_sk];

    for (int i = 0; i < abon_sk; i++)
    {
        //adresui, neturi bûti tarpo tarp gatvës ir gatvës numerio, kitaip neveiks teisingai programa
        fscanf(FR, "%s", &abonentai[i].pavarde);
        fgets(abonentai[i].adresas, 20, FR);
        fscanf(FR, "%s\n", &abonentai[i].numeris);
    }

    fclose(FR);

    FR = fopen(POKALBIAI, "r");

    if (FR == NULL)
    {
        ShowMessage("Failas " + String(POKALBIAI) + " nerastas.");
        Close();
    }

    char numeris[13];
    int pokalbiai;

    while (!feof(FR))
    {

        fscanf(FR, "%s %d\n", &numeris, &pokalbiai);

        for (int i = 0; i < abon_sk; i++)
           if (strcmp(numeris, abonentai[i].numeris) == 0)
           {
              abonentai[i].pokalbiai += pokalbiai;
              break;
           }
    }

    fclose(FR);
}

void TForm1::Rodyti()
{
    AnsiString E;

    for (int i = 0; i < abon_sk; i++)
    {
       E.printf("%d.  %s   -   %s   -   %s   -   %d min", i+1,
                                                          abonentai[i].pavarde,
                                                          abonentai[i].adresas,
                                                          abonentai[i].numeris,
                                                          abonentai[i].pokalbiai);
       ListBox1->Items->Add(E);
    }
}

void TForm1::Saugoti()
{
    FILE* FR;
    FR = fopen(CRez, "w");

    fprintf(FR, "Abonentas:\n");
    fprintf(FR, "%s %s tel.: %s\n\n", abonentai[abon_index].pavarde,
                                abonentai[abon_index].adresas,
                                abonentai[abon_index].numeris);

    fprintf(FR, "Prakalbëta: %dmin\t\tMokëti: %s\n\n", abonentai[abon_index].pokalbiai,
                                                       Label2->Caption.c_str());
    fprintf(FR, "Geros dienos!");
    fclose(FR);
}

void __fastcall TForm1::FormActivate(TObject *Sender)
{
     Skaityti();
     Rodyti();
}
//---------------------------------------------------------------------------


void __fastcall TForm1::ListBox1Click(TObject *Sender)
{
    if (Edit1->Text == "")
       ShowMessage("Áveskite minutës kainà.");
      else
      {
         abon_index = ListBox1->ItemIndex;
         kaina = StrToFloat(Edit1->Text);
         Label2->Caption = FloatToStrF((abonentai[abon_index].pokalbiai * kaina) / 100, ffFixed, 6, 2) + "Lt";
         Button1->Enabled = true;
      }
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Button1Click(TObject *Sender)
{
      //issaugome duomenis
      Saugoti();
      Button1->Enabled = false;
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Button2Click(TObject *Sender)
{
   Close();        
}
//---------------------------------------------------------------------------