function error = saveReport( hMainFig )
%
% Input
% -----
% hMainFig ............ Handel to the main user interface
%
% Output
% ------
% error .............. 1: OK ; -1 : an error occured

error = -1;

% Get the data from the application GUI
% -------------------------------------
tsg = getappdata( hMainFig, 'tsg_data');

nPara = 4;
PARA  = ['CNDC'; 'SSPS'; 'SSJT'; 'SSTP'];

% Get NO_CONTROL and INTERPOLATED_VALUE codes
% -------------------------------------------
MISSING_VALUE      = get(tsg.qc.hash, 'MISSING_VALUE', 'code');
NO_CONTROL         = get(tsg.qc.hash, 'NO_CONTROL', 'code');
GOOD               = get(tsg.qc.hash, 'GOOD', 'code');
PROBABLY_GOOD      = get(tsg.qc.hash, 'PROBABLY_GOOD', 'code');
BAD                = get(tsg.qc.hash, 'BAD', 'code');
PROBABLY_BAD       = get(tsg.qc.hash, 'PROBABLY_BAD', 'code');
VALUE_CHANGED      = get(tsg.qc.hash, 'VALUE_CHANGED', 'code');
HARBOUR            = get(tsg.qc.hash, 'HARBOUR', 'code');
INTERPOLATED_VALUE = get(tsg.qc.hash, 'INTERPOLATED_VALUE', 'code');

% Open the dialog box to choose the Directory and name of the file
% ----------------------------------------------------------------
[FileName, PathName, FilterIndex] = ...
  uiputfile('*.log','Save the log file', strcat(tsg.file.name, '.log') );

if FileName ~= 0
  
  % Open the file
  % -------------
  fid = fopen( [PathName FileName], 'wt' );
  
  if fid ~= -1
    
    % Write the date and time when the file is saved
    % ----------------------------------------------
    fprintf( fid, '\t\t\t\t TSGQC REPORT \n');

    fprintf( fid, '\t\t\t %s \n\n', datestr( fix(clock), 0));
    
    % Write the name of the files used during the session
    % ---------------------------------------------------
    fprintf( fid, 'TSG file : %s\n\n', tsg.report.tsgfile);
    if ~isempty( tsg.report.wsfile )
      fprintf( fid, 'Water sample file : %s\n\n', tsg.report.wsfile);
    else
      fprintf( fid, 'No water sample file used during this session\n\n');
    end
    if ~isempty( tsg.report.wsfile )
      fprintf( fid, 'External file : %s\n\n', tsg.report.extfile);
    else
      fprintf( fid, 'No external sample file used during this session\n\n');
    end

    % Total number of records
    % -----------------------
    fprintf( fid, '%d total number of records \n\n',...
            length( tsg.DAYD ) + tsg.report.nodate + tsg.report.sortdate);
    
    % Position interpolation
    % ----------------------
    ind = find( tsg.POSITION_QC == INTERPOLATED_VALUE );
    fprintf( fid, '%d records have interpolated position\n\n', length( ind ));

    % No date
    % -------
    fprintf( fid, ...
      '%d records have been deleted because they have no date\n\n',...
      tsg.report.nodate);
    
    % Records deleted because date is not increasing
    % -------------------------------------------------
    fprintf( fid, ...
      '%d records deleted  because their date are not increasing\n\n',...
      tsg.report.sortdate);
    
    % Records calibrated ?
    % --------------------
    for ipar = 1 : nPara

      para = PARA(ipar,:);

      fprintf( fid, '\n****************** %s PARAMETER **************\n\n', para);

      noNaN = find( isnan( tsg.([para '_CAL']) == 0));

      if ~isempty( tsg.(para) )

        % --------------------
        % Test for calibration
        % --------------------
        if ~isempty( tsg.([para '_CAL'])) & isempty( noNaN )
          fprintf( fid, 'Time series calibrated\n\n');

          % Peculiar case. No calibration coefficient for SSPS
          % --------------------------------------------------
          if ~strcmp( para, 'SSPS' )
            fprintf( fid, '\t\tUsed oefficients: \n' );
            fprintf( fid, '\t\tSlope  : %f\n',   tsg.([para '_LINCOEF'])(1));
            fprintf( fid, '\t\tOffset : %f\n\n', tsg.([para '_LINCOEF'])(2));
          end

        else

          fprintf( fid, 'Time series not calibrated \n\n' );
        end    % if ~isempty( tsg.([para '_CAL'])) & isempty( noNaN )

        % Number of records
        % -----------------
        nbRecords = length( tsg.DAYD );
        fprintf( fid, 'Number of measurements : %d\n\n', nbRecords  );
        
        % --------------------------------------------
        % Validation code, Correction and Water sample
        %   It does ont apply to CNDC
        % --------------------------------------------
        if ~strcmp( para, 'CNDC' )

          % get list of keys from hashtable tsg.qc.hash, defined inside
          % tsg_initialisation.m
          % -----------------------------------------------------------
          qc_list = get(tsg.qc.hash);

          % iterate (loop) on each key store inside hastable
          % ------------------------------------------------
          for i=1:numel(qc_list)

            % get key and some values in hashtable
            % ------------------------------------
            key   = qc_list{i};
            code = get(tsg.qc.hash, key, 'code');

            % find number of sample flag with this QC code
            % --------------------------------------------
            ind = find(tsg.([para '_QC']) == code);

            fprintf( fid, '%07d - %05.2f %% %s code \n', ...
              length( ind ), length(ind)/nbRecords * 100 , key);
          end

          % --------------------------
          % Number of record corrected
          % --------------------------
          ind = find( isnan(tsg.([para '_ADJUSTED_ERROR'])) == 0 );
          if ~isempty( ind )
            fprintf( fid, '\n%07d - %05.2f %% records have been corrected\n\n',...
              length( ind ), length(ind)/nbRecords * 100);
          else
            fprintf( fid, '\n No records have been adjusted\n\n');
          end

          % Number of Water sample
          % no water sample for SSJT and SSTP
          % ----------------------
          if strcmp( para, 'SSPS')
            if ~isempty( tsg.([para '_WS']) )
              fprintf( fid, '%4d Water samples in the file\n\n', ...
                length(tsg.([para '_WS'])));
            else
              fprintf( fid, 'No water sample\n\n');
            end
          end

          % ------------------------------------
          % Count water sample and external data
          % No external data for SSJT
          % ------------------------------------
          para2 = para;
          if strcmp( para, 'SSJT' )
            para2 = 'SSTP';
          end

          % Number of External Water sample
          % ---------------------------------
          if ~isempty( tsg.([para2 '_EXT']) )
            fprintf( fid, '%4d external samples in the file\n\n', ...
              length(tsg.([para2 '_EXT'])));
          else
            fprintf( fid, 'No external sample\n\n');
          end
        end

      else
        fprintf( fid, 'no time series \n\n' );
      end      % ~isempty( tsg.para )

    end        % for ipar

    % Fermeture fichier
    % -----------------
    fclose( fid );

  else

    error = -1;

  end       % if fid
end         % if FileName

