unit UScreenStatDetail;

interface

uses
  UMenu, SDL, SysUtils, UDisplay, UMusic, UIni, UThemes;

type
  TScreenStatDetail = class(TMenu)
    public
      Typ:  Byte;
      Page: CardinaL;
      Count: Byte;
      Reversed: Boolean;

      TotEntrys: Cardinal;
      TotPages:  Cardinal;


      constructor Create; override;
      function ParseInput(PressedKey: Cardinal; ScanCode: byte; PressedDown: Boolean): Boolean; override;
      procedure onShow; override;
      procedure SetAnimationProgress(Progress: real); override;

      procedure SetTitle;
      Procedure SetPage(NewPage: Cardinal);
  end;

const
  ID='ID_027';   //for help system

implementation

{Stat Screens:
  0 - Best Scores
  1 - Best Singers
  2 - Most sung Songs
  3 - Most popular Band
}

uses UGraphic, UDataBase, ULanguage, math, ULog, UHelp;

function TScreenStatDetail.ParseInput(PressedKey: Cardinal; ScanCode: byte; PressedDown: Boolean): Boolean;
begin
  Result := true;
  If (PressedDown) Then
  begin // Key Down
    case PressedKey of
      SDLK_TAB:
        begin
          ScreenPopupHelp.ShowPopup();
        end;

      SDLK_Q:
        begin
          Result := false;
        end;
      SDLK_ESCAPE,
      SDLK_BACKSPACE:
        begin
          Music.PlayBack;
          FadeTo(@ScreenStatMain);
        end;
      SDLK_RETURN:
        begin
          if Interaction = 0 then begin
            //Next Page
            SetPage(Page+1);
          end;

          if Interaction = 1 then begin
            //Previous Page
            if (Page > 0) then
              SetPage(Page-1);
          end;

          if Interaction = 2 then begin
            //Reverse Order
            Reversed := not Reversed;
            SetPage(Page);
          end;

          if Interaction = 3 then begin
            Music.PlayBack;
            FadeTo(@ScreenStatMain);
          end;
        end;
      SDLK_LEFT:
      begin
          InteractPrev;
      end;
      SDLK_RIGHT:
      begin
          InteractNext;
      end;
      SDLK_UP:
      begin
          InteractPrev;
      end;
      SDLK_DOWN:
      begin
          InteractNext;
      end;
    end;
  end;
end;

constructor TScreenStatDetail.Create;
var
  I:    integer;
begin
  inherited Create;

  for I := 0 to High(Theme.StatDetail.TextList) do
    AddText(Theme.StatDetail.TextList[I]);

  Count := Length(Theme.StatDetail.TextList);

  AddText(Theme.StatDetail.TextDescription);
  AddText(Theme.StatDetail.TextPage);

  LoadFromTheme(Theme.StatDetail);

  AddButton(Theme.StatDetail.ButtonNext);
  if (Length(Button[0].Text)=0) then
    AddButtonText(14, 20, Language.Translate('STAT_NEXT'));

  AddButton(Theme.StatDetail.ButtonPrev);
  if (Length(Button[1].Text)=0) then
    AddButtonText(14, 20, Language.Translate('STAT_PREV'));

  AddButton(Theme.StatDetail.ButtonReverse);
  if (Length(Button[2].Text)=0) then
    AddButtonText(14, 20, Language.Translate('STAT_REVERSE'));

  AddButton(Theme.StatDetail.ButtonExit);
  if (Length(Button[3].Text)=0) then
    AddButtonText(14, 20, Theme.Options.Description[7]);

  Interaction := 0;
  Typ := 0;
end;

procedure TScreenStatDetail.onShow;
begin
  if not Help.SetHelpID(ID) then
    Log.LogError('No Entry for Help-ID ' + ID + ' (ScreenStatDetail)');
  //Set Tot Entrys and PAges
  TotEntrys := DataBase.GetTotalEntrys(Typ);
  TotPages := Ceil(TotEntrys / Count);
  //Show correct Title
  SetTitle;
  //Show First Page
  Reversed := False;
  SetPage(0);
end;

procedure TScreenStatDetail.SetTitle;
begin
  //Set Title
  Case Reversed of
    True: Text[Count].Text := Theme.StatDetail.DescriptionR[Typ];
    False: Text[Count].Text := Theme.StatDetail.Description[Typ];
  end;
end;

Procedure TScreenStatDetail.SetPage(NewPage: Cardinal);
var
  Result: AStatResult;
  I: Integer;
  FormatStr: String;
  PerPage: Byte;
begin
  SetLength(Result, Count);
  if (Database.GetStats(Result, Typ, Count, NewPage, Reversed)) then
  begin
    Page := NewPage;

    FormatStr := Theme.StatDetail.FormatStr[Typ];

    //refresh Texts
    For I := 0 to Count-1 do
    begin
      try
        case Typ of
          0:begin //Best Scores
            //Set Texts
            if (Result[I].Score>0) then
              Text[I].Text := Format(FormatStr, [Result[I].Singer,
                                                Result[I].Score,
                                                Theme.ILevel[Result[I].Difficulty],
                                                Result[I].SongArtist,
                                                Result[I].SongTitle,
                                                Result[I].Date])
            else
              Text[I].Text := '';
          end;

          1:begin //Best Singers
            //Set Texts
            if (Result[I].AverageScore>0) then
              Text[I].Text := Format(FormatStr, [Result[I].Player,
                                                Result[I].AverageScore,
                                                Result[I].SungTimes])
            else
              Text[I].Text := '';
          end;

          2:begin //Popular Songs
            //Set Texts
            if (Result[I].Artist<>'') then
              Text[I].Text := Format(FormatStr, [Result[I].Artist,
                                                 Result[I].Title,
                                                Result[I].TimesSung])
            else
              Text[I].Text := '';
          end;

          3:begin //Popular Bands
            //Set Texts
            if (Result[I].ArtistName<>'') then
              Text[I].Text := Format(FormatStr, [Result[I].ArtistName,
                                                Result[I].TimesSungtot])
            else
              Text[I].Text := '';
          end;
        end;
      except
        on E: EConvertError do
          Log.LogError('Error Parsing FormatString in UScreenStatDetail: ' + E.Message);
      end;
    end;

    if (Page + 1 = TotPages) AND (TotEntrys Mod Count <> 0) then
      PerPage := (TotEntrys Mod Count)
    else
      PerPage := Count;

    Text[Count+1].Text := Format(Theme.StatDetail.PageStr, [Page + 1,
                                                            TotPages,
                                                            PerPage,
                                                            TotEntrys]);

    //Show correct Title
    SetTitle;

  end;

end;


procedure TScreenStatDetail.SetAnimationProgress(Progress: real);
var I: Integer;
begin
  For I := 0 to high(Button) do
    Button[I].Texture.ScaleW := Progress;
end;

end.