IMPLEMENTATION MODULE LateLetters;
(*
 *  ModBase
 *  Release 3.0
 *  (c) Copyright 1986 - 1991 PMI
 *  P.O. Box 8402
 *  Green Bay Wi 53308
 *  All Rights Reserved
 *  by Ed Ross  
 *)

FROM ModBase3 IMPORT ReadDBRec,NumberRecords,Deleted;
FROM DBFInvoice IMPORT OpenInvoiceDBF,OpenInvoiceDBF,CloseInvoiceDBF,
     InvoiceDBF,MoveInvoiceFromDBF,InvoiceRec;
FROM DateFunctions IMPORT DateDiff,ValidDate;
FROM DspFiles IMPORT ReadDisplayFrame;
FROM PMIGlobals IMPORT Today,TodayStr,Config,PMIScreens;
FROM ScrnUtl2 IMPORT CloseDisplayFrame;
FROM ScrnUtl1 IMPORT FieldNum;
FROM NumTypes IMPORT Real8;
FROM ScreenInput IMPORT ListToEdField,ListFromEdField;
FROM DBFCustomer IMPORT OpenCustomerDBF,MoveCustomerFromDBF,FindCustomerByCin;
FROM Customer IMPORT GetCustAddr,GetCustName,AddressRec,AddressTypes;
FROM M2Strings IMPORT CompareStr,Length,Assign;
FROM StringIO IMPORT WriteStr,WriteEol,outp;
FROM StrEdit IMPORT CrunchBlanks;
FROM PosUtils IMPORT Equal;
FROM ScrnTypes IMPORT DisplayFrame,
     InitDisplayFrame;
FROM GenLists IMPORT GenList,GetElmt,NewList,DisposeList,ListInsert,SortList,
     ListLength,GetElmtAdr;
FROM ListUtils IMPORT TextFileToList,TextListToFile;
FROM FramePainter IMPORT ShowDisplayFrame;
FROM ControlUtils IMPORT Control;
IMPORT VWindows;
FROM SYSTEM IMPORT ADDRESS,ADR;
FROM HandleIO IMPORT FileExists,CloseHandle,CreateFile,OpenFile;
FROM PrinterUtils IMPORT DisplayLine,SetupDisplayLine,RemoveDisplayLine,
     AddPrintElemt,PrintDisplayLine,ClearDisplayLine;


CONST
  FileNamePre = 'Late30.Pre';
  FileNameSuf = 'Late30.Suf';


PROCEDURE CreateLateLetters();


VAR DF :  DisplayFrame;
    Pre,Suf : GenList;
    Err : CARDINAL;
    B : BOOLEAN;
    FN : ARRAY[0..20] OF CHAR;
BEGIN
  InitDisplayFrame(DF,VWindows.CurrentWindow);
  ReadDisplayFrame(PMIScreens,DF,'LateLetter');
  NewList(Pre);
  NewList(Suf);
  FN := FileNamePre;
  Err := TextFileToList(FN,Pre);
  FN := FileNameSuf;
  Err := TextFileToList(FN,Suf);
  B := ListToEdField(Pre,DF,FieldNum(DF,'Prefix'));
  B := ListToEdField(Suf,DF,FieldNum(DF,'Suffix'));
  ShowDisplayFrame(DF,0,0,0,0);
  Control(DF);
  B := ListFromEdField(DF,FieldNum(DF,'Prefix'),Pre);
  B := ListFromEdField(DF,FieldNum(DF,'Suffix'),Suf);
  Err := TextListToFile(Pre,FileNamePre);
  Err := TextListToFile(Suf,FileNameSuf);
  CloseDisplayFrame(DF);

END CreateLateLetters;

PROCEDURE SortInvList(A1 : ADDRESS; Len1 : CARDINAL;
  		      A2 : ADDRESS; Len2 : CARDINAL) : INTEGER;
VAR
 I1 : POINTER TO InvoiceRec;
 I2 : POINTER TO InvoiceRec;		
BEGIN
  I1 := A1;
  I2 := A2;

  IF NOT Equal(I1^.CUSTID,I2^.CUSTID)
    THEN  RETURN CompareStr(I1^.CUSTID,I2^.CUSTID);
    ELSE IF NOT Equal(I1^.INVOICE,I2^.INVOICE)
           THEN RETURN CompareStr(I1^.INVOICE,I2^.INVOICE)
           ELSE RETURN 0;
         END;
    END;	

END SortInvList;		

PROCEDURE ProduceLateLetters();
CONST
  FF = CHR(12);
VAR
 B : BOOLEAN;
 L : LONGINT;
 J : LONGINT;
 M : CARDINAL;
 Code : CARDINAL;
 Inv : InvoiceRec;
 OutStd : GenList;
 Pre,Suf : GenList;
 ER,prt : CARDINAL;
 CurrentCIN  : ARRAY[0..20] OF CHAR;
 CustName : ARRAY[0..60] OF CHAR;
 TotalOut : Real8;
 Line : DisplayLine;
 L1,L2,L3,L4,L5 : DisplayLine;
 Hand : CARDINAL;
 Err : CARDINAL;

 FN : ARRAY[0..40] OF CHAR;



PROCEDURE PrintHeader();
CONST
  Blanks = '               ';
VAR
  J : CARDINAL;
  P : POINTER TO ARRAY[0..500] OF CHAR;
  Code,Size : CARDINAL;
  CompName : ARRAY[0..60] OF CHAR;
  CompAddr : AddressRec;
BEGIN
  PrintDisplayLine(L1,Hand);
  PrintDisplayLine(L2,Hand);
  PrintDisplayLine(L3,Hand);
  PrintDisplayLine(L4,Hand);
  (* print comany name and address here *)
  GetCustName(CurrentCIN,CustName);
  GetCustAddr(CompAddr,Billing);
(*  WriteEol(Hand,CustName); *)
  FOR J := 1 TO 6 DO
    WriteEol(Hand,'');
  END;
  WriteStr(Hand,Blanks);
  WriteEol(Hand,CompAddr.Line[0]);
  WriteStr(Hand,Blanks);
  WriteEol(Hand,CompAddr.Line[1]);
  WriteStr(Hand,Blanks);
  WriteEol(Hand,CompAddr.Line[2]);
  WriteStr(Hand,Blanks);
  WriteEol(Hand,CompAddr.Line[3]);
  FOR J := 1 TO 2 DO
    WriteEol(Hand,'');
  END;
  FOR J := 1 TO ListLength(Pre) DO
    GetElmtAdr(Pre,J,P,Size,Code);
    WriteEol(Hand,P^);
  END;
  WriteEol(Hand,' ');


  WriteEol(Hand,' ');
  PrintDisplayLine(L5,Hand);
END PrintHeader;

PROCEDURE PrintFooter();

VAR J, Size,Code : CARDINAL;
   P : ARRAY[0..100] OF CHAR;
BEGIN
  ClearDisplayLine(Line);
  AddPrintElemt(Line,TotalOut,'R',45,14,'L');
  AddPrintElemt(Line,'Total outstanding ','S',15,15,'L');
  PrintDisplayLine(Line,Hand);
  WriteEol(Hand,' ');
  FOR J := 1 TO ListLength(Suf) DO
    GetElmt(Suf,J,P,Code);
    WriteEol(Hand,P);
  END;
  WriteStr(Hand,12C);
END PrintFooter;

PROCEDURE PrintLine();
(* print line should look like this
          1         2         3         4         5         6         7
01234567890123456789012345678901234567890123456789012345678901234567890
  Invoice        Date      Invoice Amount       Amount Due
  xx-xxxxxx   xx-xx-xx      $xxxxxxxxx.xx    $xxxxxxxxxx.xx
*)
VAR B : BOOLEAN;
BEGIN
  WITH Inv DO
     ClearDisplayLine(Line);
     AddPrintElemt(Line,INVOICE,'S',2,10,'L');
     AddPrintElemt(Line,INVDATE,'D',14,20,'L');
     AddPrintElemt(Line,TOTALAMT,'R',28,10,'R');
     AddPrintElemt(Line,AMTOUT,'R',45,10,'R');
     PrintDisplayLine(Line,Hand);
     ClearDisplayLine(Line);
  END;
END PrintLine;


BEGIN
 (* Set up the titles and the prefix * suffix *)
  SetupDisplayLine(Line,76);
  SetupDisplayLine(L1,76);
  SetupDisplayLine(L2,76);
  SetupDisplayLine(L3,76);
  SetupDisplayLine(L4,76);
  SetupDisplayLine(L5,76);
  CrunchBlanks(Config.CompanyName);
  CrunchBlanks(Config.CompanyAddr1);
  CrunchBlanks(Config.CompanyAddr2);
  CrunchBlanks(Config.Phone);
  AddPrintElemt(L1,Config.CompanyName,'S',
                40-(Length(Config.CompanyName) DIV 2),30,'L');
  AddPrintElemt(L1,Today,'D',65,Length(TodayStr),'L');

  AddPrintElemt(L2,Config.CompanyAddr1,'S',
                40- (Length(Config.CompanyAddr1) DIV 2),79,'L');

  AddPrintElemt(L3,Config.CompanyAddr2,'S',
                40- (Length(Config.CompanyAddr2) DIV 2),79,'L');		
  AddPrintElemt(L4,Config.Phone,'S',
                40 - (Length(Config.Phone) DIV 2),20,'L');
  AddPrintElemt(L5,
    '  Invoice        Date      Invoice Amount       Amount Due', 'S',0,75,'L');
  NewList(Pre);
  NewList(Suf);
  FN := FileNamePre;
  Err := TextFileToList(FN,Pre);
  FN := FileNameSuf;
  Err := TextFileToList(FN,Suf);
  OpenInvoiceDBF(FALSE);
  NewList(OutStd);
  L := NumberRecords(InvoiceDBF);
  FOR J := 1 TO L DO
    ReadDBRec(InvoiceDBF,J);
    IF NOT Deleted(InvoiceDBF)
      THEN
        MoveInvoiceFromDBF(Inv);
	IF (Inv.INVPRNT = 'P') AND ValidDate(Inv.INVDATE)   (* Been printed but not closed *)
	  THEN
	    IF DateDiff(Today,Inv.INVDATE) > 30
	      THEN ListInsert(Inv,1,OutStd,1);
	      END; (*out longer than 30 days *)
	  END; (* been printed *)
       END;  (* not deleted *)
   END;  (* loop reading out *)
   CloseInvoiceDBF();
   SortList(OutStd,SortInvList);   (* sort by cust by invoice number *)
   CurrentCIN := 'XxXxX??';   (* make sure the first doesn't match *)
   ER := OpenFile(Hand,Config.ReportPrt); (* open report printer *)

   FOR  M :=1 TO ListLength(OutStd) DO
     GetElmt(OutStd,M,Inv,Code);
     CrunchBlanks(Inv.CUSTID);
     IF NOT Equal(CurrentCIN,Inv.CUSTID)
       THEN      (* new customer in list *)
         IF NOT (Equal(CurrentCIN,'XxXxX??'))   (* if not the first cust*)
	 THEN
	   PrintFooter();
	 END;
	 Assign( Inv.CUSTID,CurrentCIN );
	 B := FindCustomerByCin(CurrentCIN);
	 PrintHeader();
	 TotalOut := 0.0;
       END;   (* end new customer *)
      TotalOut := TotalOut + Inv.AMTOUT;
      PrintLine();
   END;    	
   Err := CloseHandle(Hand);
   DisposeList(Pre);
   DisposeList(Suf);
   RemoveDisplayLine(Line);
   RemoveDisplayLine(L1);
   RemoveDisplayLine(L2);
   RemoveDisplayLine(L3);
   RemoveDisplayLine(L4);
   RemoveDisplayLine(L5);
 END ProduceLateLetters;
END LateLetters.