MODULE Club;
(*
        Copyright (C) 1988,1989 Jensen & Partners International
*)

IMPORT Globals, Btree, Window, Client, Items, IO, FIO, Sales;
FROM Globals IMPORT ClientFile, ItemFile, ClientData, ItemData,
                    ClientIndex, ItemIndex,
                    oldWin, TitleWin, DisplayWin, UpdateTitle,
                    StoreName;

VAR
  aClient : Client.ClientRec;
  anItem : Items.ItemRec;
  ch, ch2, ch3 : CHAR;
  GO, Found : BOOLEAN;
  lines : CARDINAL;

PROCEDURE OpenClientFiles();
BEGIN
   IF NOT FIO.Exists("CLIENT.DAT") THEN (* create a new one *)
      ClientFile := Btree.Open("CLIENT.DAT",2,Btree.FixSize,FALSE,FALSE,TRUE);
      ClientData := Btree.OpenData(ClientFile,1,SIZE(Client.ClientRec),TRUE);
      ClientIndex := Btree.OpenIndex(ClientFile,ClientData,2,Globals.Compare,
                                     Client.MakeKey,SIZE(Globals.FileKey),
                                     TRUE,TRUE);
      Btree.Close(ClientFile);
   END;  (* if *)

   ClientFile := Btree.Open("CLIENT.DAT",2,Btree.FixSize,FALSE,FALSE,FALSE);
   ClientData := Btree.OpenData(ClientFile,1,SIZE(Client.ClientRec),FALSE);
   ClientIndex := Btree.OpenIndex(ClientFile,ClientData,2,Globals.Compare,
                                  Client.MakeKey,SIZE(Globals.FileKey),TRUE,
                                  FALSE);
END OpenClientFiles;


PROCEDURE OpenItemFiles();
BEGIN
   IF NOT FIO.Exists("ITEMS.DAT") THEN (* create a new one *)
      ItemFile := Btree.Open("ITEMS.DAT",2,Btree.FixSize,FALSE,FALSE,TRUE);
      ItemData := Btree.OpenData(ItemFile,1,SIZE(Items.ItemRec),TRUE);
      ItemIndex := Btree.OpenIndex(ItemFile,ItemData,2,Globals.Compare,
                                   Items.MakeKey,SIZE(Globals.FileKey),TRUE,
                                   TRUE);
      Btree.Close(ItemFile);
   END;  (* if *)

   ItemFile := Btree.Open("ITEMS.DAT",2,Btree.FixSize,FALSE,FALSE,FALSE);
   ItemData := Btree.OpenData(ItemFile,1,SIZE(Items.ItemRec),FALSE);
   ItemIndex := Btree.OpenIndex(ItemFile,ItemData,2,Globals.Compare,
                                Items.MakeKey,SIZE(Globals.FileKey),TRUE,
                                FALSE);
END OpenItemFiles;


PROCEDURE Help();
CONST
    HelpWinDef = Window.WinDef(10,7,70,17,Window.Blue,Window.LightGray,
                 FALSE, TRUE, TRUE, TRUE, Window.DoubleFrame,
                 Window.Black, Window.LightGray);
VAR
  helpWin : Window.WinType;
  ch      : CHAR;
BEGIN
    oldWin := Window.Used();
    helpWin := Window.Open(HelpWinDef);
    Window.Use(helpWin);
    Window.Clear();
    Window.SetTitle(helpWin,"Help Window", Window.CenterUpperTitle);
    Window.PutOnTop(helpWin);
    IO.WrLn(); IO.WrLn();
    IO.WrStr("     This is the help window.  If you would like to");
    IO.WrLn();
    IO.WrStr("     change the help, look in the Help() routine in");
    IO.WrLn();
    IO.WrStr("     the main CLUB.MOD file.");
    IO.WrLn();
    IO.WrLn(); IO.WrLn();
    IO.WrStr("     Press any key to continue... ");
    Window.CursorOn();
    ch := IO.RdKey();
    Window.CursorOff();
    Window.Close(helpWin);
    Window.Use(oldWin);
    Window.PutOnTop(oldWin);
END Help;

BEGIN  (* main program *)
       StoreName := "Btree Demonstration Store";
       Window.PutOnTop(TitleWin);
       UpdateTitle(TRUE);
       OpenClientFiles();
       OpenItemFiles();

       REPEAT
          Globals.GetMenu("Help Clients Inventory Sales Quit >>",
             Globals.CharSet{'H','C','I','S','Q'}, ch );
          CASE ch OF
               'H' : Help();
             | 'C' : Client.Template();
                     REPEAT
                        Globals.GetMenu( "Add Find/edit/delete List Quit >>",
                           Globals.CharSet{'A','F','E','D','L','Q'}, ch2);
                        CASE ch2 OF
                           'A' : Client.Input(aClient,TRUE);
                                 Btree.Add(ClientData,aClient,
                                          SIZE(Client.ClientRec));
                         | 'F', 'E', 'D' : aClient.CNum := "";
                                 Found := Client.Search(aClient);
                         | 'L' : oldWin := Window.Used();
                                 Window.Use(DisplayWin);
                                 Window.Clear();
                                 Window.PutOnTop(DisplayWin);
                                 lines := 0;  (* max 17 *)
                                 Btree.Reset(ClientData);
                                 GO := TRUE;
                                 WHILE Btree.Next(ClientIndex,aClient) AND GO DO
                                    IO.WrStrAdj(aClient.CNum,-11);
                                    IO.WrStrAdj(aClient.LName,-16);
                                    IO.WrStrAdj(aClient.FName,-11);
                                    IO.WrStrAdj(aClient.Phone,-16);
                                    IO.WrLn();
                                    INC(lines);
                                    IF lines > 16 THEN
                                       IO.WrStr("Press <ESC> to quit, any other key to continue: ");
                                       ch3 := IO.RdKey();
                                       IF ch3 = 33C THEN
                                          GO := FALSE;
                                       END;  (* if *)
                                       Window.Clear();
                                       lines := 0;
                                    END;  (* if *)
                                 END;  (* while *)
                                 Globals.WriteAt(18,1,"Press a key to finish ");
                                 ch3 := IO.RdKey();
                                 Window.Hide(DisplayWin);
                                 Window.Use(oldWin);
                                 Window.PutOnTop(oldWin);
                         | 'Q' : Client.Close();
                        END;  (* case *)
                     UNTIL ch2 = 'Q';
             | 'I' : Items.Template();
                     REPEAT
                        Globals.GetMenu(
                           "Add Find/edit/delete List Quit >>",
                           Globals.CharSet{'A','F','E','D','L','Q'}, ch2);
                        CASE ch2 OF
                           'A' : Items.Input(anItem,TRUE);
                                 Btree.Add(ItemData,anItem,SIZE(Items.ItemRec));
                         | 'F','E','D' : anItem.INum := "";
                                 Found := Items.Search(anItem);
                         | 'L' : oldWin := Window.Used();
                                 Window.Use(DisplayWin);
                                 Window.Clear();
                                 Window.PutOnTop(DisplayWin);
                                 lines := 0;  (* max 17 *)
                                 Btree.Reset(ItemData);
                                 GO := TRUE;
                                 WHILE Btree.Next(ItemIndex,anItem) AND GO DO
                                    IO.WrStrAdj(anItem.INum,-11);
                                    IO.WrStrAdj(anItem.Description,-26);
                                    IO.WrStrAdj(anItem.Mfgr,-21);
                                    IO.WrStrAdj(anItem.PartNum,-11);
                                    IO.WrLn();
                                    INC(lines);
                                    IF lines > 16 THEN
                                       IO.WrStr("Press <ESC> to quit, any other key to continue: ");
                                       ch3 := IO.RdKey();
                                       IF ch3 = 33C THEN
                                          GO := FALSE;
                                       END;  (* if *)
                                       Window.Clear();
                                       lines := 0;
                                    END;  (* if *)
                                 END;  (* while *)
                                 Globals.WriteAt(18,1,"Press a key to finish ");
                                 ch3 := IO.RdKey();
                                 Window.Hide(DisplayWin);
                                 Window.Use(oldWin);
                                 Window.PutOnTop(oldWin);
                         | 'Q' : Items.Close();
                        END;  (* case *)
                     UNTIL ch2 = 'Q';
             | 'S' : (* run the sales floor *)
                     Sales.Template();
                     REPEAT
                        Sales.Clear();  (* clear old transaction *)
                        Globals.GetMenu(
                           "A)nother sale, S)how summary, or Q)uit to Menu",
                           Globals.CharSet{'A','Q','S'},ch2);
                        CASE ch2 OF
                             'A' : Sales.Work();
                           | 'S' : Sales.Summary();
                        ELSE
                           Globals.Beep();
                        END;  (* case *)
                     UNTIL ch2 = 'Q';
                     Sales.Close();
             ELSE
                Globals.Beep();
          END;  (* case *)
       UNTIL ch = 'Q';
       Btree.Close(ClientFile);
       Btree.Close(ItemFile);
       Window.CursorOn;
END Club.