#! /usr/bin/perl

#

# Copyright (C) 2012-2017 Alexis Bienvenue <paamc@passoire.fr>

#

# This file is part of Auto-Multiple-Choice

#

# Auto-Multiple-Choice is free software: you can redistribute it

# and/or modify it under the terms of the GNU General Public License

# as published by the Free Software Foundation, either version 2 of

# the License, or (at your option) any later version.

#

# Auto-Multiple-Choice is distributed in the hope that it will be

# useful, but WITHOUT ANY WARRANTY; without even the implied warranty

# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

# General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with Auto-Multiple-Choice.  If not, see

# <http://www.gnu.org/licenses/>.

package AMC::Substitute;

use AMC::Basic;

use utf8;

sub new {

    my (%o)=@_;

    my $self={'names'=>'',

	      'scoring'=>'',

	      'assoc'=>'',

	      'name'=>'','chsign'=>4,

	      'lk'=>'',

	  };

    for (keys %o) {

	$self->{$_}=$o{$_} if(defined($self->{$_}));

    }

    bless $self;

    return($self);

}

sub format_note {

  my ($self,$mark)=@_;

  if($self->{'chsign'}) {

    $mark=sprintf("%.*g",$self->{'chsign'},$mark);

  }

  return($mark);

}

# Affiche le niveau acquis pour chaque compétence entrée comme groupe

# <30%: non maîtrisé - <70%: maîtrise incomplète - <100%: maîtrise satisfaisante - =100%: maîtrise experte

sub format_skills {

  my ($self,$student,$copy)=@_;

  my $sth = $self->{scoring}->statement('studentSkillLevel');

  $sth->execute($student, $copy);

  my $stext = "\t\t\t\t\t\t\t\t\t";

  while(my @row=$sth->fetchrow_array) { # retrieve one row

    if (scalar(split '',$stext) > 6) {$stext = $stext . "\n\t";}

    $stext = $stext . @row[0] . " : ";

    if (@row[1]>0.9) {

      $stext = $stext . "maîtrise experte 😄";

    } elsif (@row[1]>0.5) {

      $stext = $stext . "maîtrise satisfaisante 😊";

    } elsif (@row[1]>0) {

      $stext = $stext . "maîtrise incomplète 😕";

    } else {

      $stext = $stext . "non maîtrisé 😟";

    }

  }

  return($stext);

}

# Affiche les pourcentages de réussite par groupe, arrondi à l'entier, le minimum étant fixé à zéro

sub format_knowledge {

  my ($self,$student,$copy)=@_;

  my $sth = $self->{scoring}->statement('studentSkillLevel');

  $sth->execute($student, $copy);

  my $stext = "\n";

  while(my @row=$sth->fetchrow_array) { # retrieve one row

    if (scalar(split '',$stext) > 6) {$stext = $stext . "  —  ";}

    my $knowledge=int(@row[1]*100+.5);

    $stext = $stext . @row[0] . " : " . (0, $knowledge)[$knowledge>0] . " %";

  }

  return($stext);

}

sub substitute {

  my ($self,$text,$student,$copy)=@_;

  if($self->{'scoring'}) {

    my $student_mark=$self->{'scoring'}->student_global($student,$copy);

    if($student_mark) {

      $text =~ s/\%[M]/$self->format_note($student_mark->{'max'})/ge;

      $text =~ s/\%[s]/$self->format_note($student_mark->{'mark'})/ge;

      $text =~ s/\%[m]/$self->format_note($self->{'scoring'}->variable('mark_max'))/ge;

      $text =~ s/\%[C]/$self->format_skills($student, $copy)/ge;

      $text =~ s/\%[c]/$self->format_knowledge($student, $copy)/ge;

    } else {

      debug "No marks found ! Copy=".studentids_string($student,$copy);

    }

  }

  $text =~ s/\%[n]/$self->{'name'}/ge;

  if($self->{'assoc'} && $self->{'names'}) {

    $self->{'lk'}=$self->{'assoc'}->variable('key_in_list')

      if(!$self->{'lk'});

    my $i=$self->{'assoc'}->get_real($student,$copy);

    my $n;

    debug "Association -> ID=$i";

    if(defined($i)) {

      ($n)=$self->{'names'}->data($self->{'lk'},$i,test_numeric=>1);

      if($n) {

	$text=$self->{'names'}->substitute($n,$text,'prefix'=>'%');

      }

    }

  }

  return($text);

}

1;