(*
'===============================================
' Descript.ion Importer V3
' Author: H van Zwietering; based on a script from iView: http://www.idimager.com/forum/viewtopic.php?t=1362
' Modified: franky68 to reflect current descript.ion files
' Modified: H van Zwietering; modified to support PhotoSupreme
' Date: 27-december-2013
'===============================================
*)


var
  key1, line1, line2: WideString;
  tester, counter: Integer;
  AIonSL: TTntStringList;
  i, j, s: Integer;
  AItem: TImageItem;
  strPathActive, strPath: WideString;
  splitter1, splitter2: TTntStringList;
  keyword: WideString;

  ACatItem: TCatalogItem;
begin
  if Selected.Count = 0 then
  begin
    Say ('No selection made.');
    exit;
  end;

  Progress.Cancel := False;
  Progress.Max := Selected.Count;
  Progress.Show;

  ACatItem := TCatalogItem.Create (nil);

  AIonSL := nil;
  strPathActive := '';

  // iterate over every selected item
  counter := 0;
  for i := 0 to Selected.Count - 1 do
  begin
    Progress.ProgressText := Selected.Items[i].FileName;

    Progress.Pos := i + 1;
    if Progress.Cancel then
      break;

    key1 := '';
    line1 := '';
    line2 := '';
    tester := 0;

    AItem := Selected.Items[i];

    if not AItem.MediumLoaded then
      continue;

    // build Path to descript.ion from folder
    strPath := WideExtractFilePath (AItem.FileName);
    strPath := WideIncludeTrailingBackslash(strPath) + 'descript.ion';

    if not WideFileExists (strpath) then
    begin
      //Say ('No descript.ion file found as ' + strPath);
      continue;
    end;

    if not WideSameText(strPathActive, strPath) then  // same as already loaded
    begin
      if Assigned(AIonSL) then
        AIonSL.Free;
      // open descript.ion
      AIonSL := TTntStringList.Create;
      AIonSL.LoadFromFile(strPath);
      strPathActive := strPath;
    end;

    // loop through descript.ion
    for s := 0 to AIonSL.Count - 1 do
    begin
      tester := 0;

      line1 := AIonSL.Strings[s];

      // get keys
      // key1 := filename
      // line format = <FILENAME> <KEYWORD> [, <KEYWORD>]

      splitter1 := TTntStringList.Create;
      p := Pos(' ', line1);
	  // Find the first space and use it to split the filename from the keywords
      splitter1.Add(Trim(LeftStr(line1, p)));
      splitter1.Add(Trim(RightStr(line1, Length(line1)-p)));

      key1 := splitter1.Strings[0];

      // if file found in descript.ion, get information
      if WideSameText (key1, WideExtractFileName (AItem.FileName)) then
      begin
        line2 := splitter1.Strings[1];

        tester := 1;
        counter := counter + 1;

        if not Catalog.FindImageCombined (AItem, ACatItem, False, phtNone) then
        begin
          // if the image is not yet in catalog, then create it
          if not Catalog.AddFile (AItem, ACatItem, False) then
            Continue;
        end;

	// Quote every field in case they contain spaces. We deal with the trimming later
	line2 := '"' + StrTran(line2, ',', '","') + '"';
	splitter2 := TTntStringList.Create;
	splitter2.CommaText := line2;

	for j := 0 to splitter2.Count-1 do
	begin
          keyword := Trim(splitter2.Strings[j]);

          AProp := TCatalogItemProp.Create(nil);
          if not Catalog.FindPropByName (keyword, AProp, '', True) then
          begin
            // doesn't exist; ok, create one in the Keywords category
            AProp.GUID := NewGUID;  // give a unique ID
            AProp.PropName := keyword;
            Catalog.StorePropToDatabase (AProp, KeywordsGUID, False);
          end;

	  Catalog.AddPropToItem (ACatItem, AProp, False, False);
	  AProp.Free;
        end;

        splitter2.Free;
      end;

      splitter1.Free;

      if (tester = 1) then break;
    end; // for s
  end;  // for i

  ACatItem.Free;
  if Assigned(AIonSL) then
    AIonSL.Free;

  Progress.Hide;

  Say('Descript.ion data imported! (' + IntToStr(counter) + ' records updated)');
end;