package Base::HTML::Elements;
use strict;
use warnings;
use base 'Exporter';
our @EXPORT_OK = qw(table cols col row cell list);

use Base::Nifty qw(line);

sub list {
  my ($tab,$list,$opt) = @_;

  my @attributes;
  push @attributes, qq(id="$opt->{id}")       if $opt->{id};
  push @attributes, qq(class="$opt->{class}") if $opt->{class};
  push @attributes, qq(style="$opt->{style}") if $opt->{style};

  my $format = @attributes > 0 ? ' '.join(' ',@attributes) : '';
  my $tag = 'ul'.$format;

  line($tab,qq(<$tag>));
  line($tab + 1,qq(<li>$_</li>)) for @{$list};
  line($tab,q(</ul>));
}

sub cell {
  my ($tab,$type,$contents,$opt) = @_;

  my @attributes;
  push @attributes, qq(id="$opt->{id}")       if $opt->{id};
  push @attributes, qq(class="$opt->{class}") if $opt->{class};
  push @attributes, qq(style="$opt->{style}") if $opt->{style};
  push @attributes, qq(colspan="$opt->{colspan}") if $opt->{colspan};
  push @attributes, qq(rowspan="$opt->{rowspan}") if $opt->{rowspan};

  my $format = @attributes > 0 ? ' '.join(' ',@attributes) : '';
  my $open = $type.$format;
  
  line($tab,qq(<t$open>));
  if ($contents =~ /list/i) {
    if (ref($opt->{list}[1]) eq 'HASH') {
      list($tab + 1,$opt->{list}->[0],$opt->{list}->[1]);
    }
    else {
      list($tab + 1,$opt->{list});
    }
  }
  else {
    line($tab + 1,$contents);
  }
  line($tab,qq(</t$type>));
}

sub row {
  my ($tab,$type,$cells) = @_;

  my %types = (
    header => 'h',
    data   => 'd',
    whead  => 'd'
  );

  line($tab,qq(<tr>));

  if ($type eq 'whead') {
    my $cell = shift @{$cells};
    cell($tab + 1,'h',ucfirst $cell, { class => 'row_header' });
  }

  my $cell_type = $types{$type};
  for my $cell (@{$cells}) {
    if (ref($cell) eq 'ARRAY') {
      cell($tab + 1,$cell_type,$cell->[0],$cell->[1]);
    }
    else {
      cell($tab + 1,$cell_type,$cell);
    }
  }

  line($tab,q(</tr>));
}

sub col {
  my ($tab,$opt) = @_;

  my @attributes;
  push @attributes, qq(class="$opt->{class}") if $opt->{class};
  push @attributes, qq(span="$opt->{span}")   if $opt->{span};

  my $format = @attributes > 0 ? ' '.join(' ',@attributes) : '';
  my $tag = 'col'.$format;
  line($tab,qq(<$tag>));
}

sub cols {
  my ($tab,$cols) = @_;
  col($tab,$_) for @{$cols};
}

sub table {
  my ($tab,$opt) = @_;

  my @attributes;
  push @attributes, qq(id="$opt->{id}")       if $opt->{id};
  push @attributes, qq(class="$opt->{class}") if $opt->{class};
  push @attributes, qq(style="$opt->{style}") if $opt->{style};

  my $format = @attributes > 0 ? ' '.join(' ',@attributes) : '';
  my $tag = 'table'.$format;

  line($tab,qq(<$tag>));
  line($tab + 1,qq(<caption>$opt->{caption}</caption>)) if $opt->{caption};

  row($tab + 1,'header',$opt->{headings}) if $opt->{headings};

  if ($opt->{data}) {
    row($tab + 1,'data',$_) for @{$opt->{data}};
  }

  if ($opt->{whead}) {
    row($tab + 1,'whead',$_) for @{$opt->{whead}};
  }

  line($tab,q(</table>));
}

1;