# $Id$
# Common functions for HTML/XHTML output generation
# Copyright (C) 2003 Jan Kratochvil <project-www.jankratochvil.net@jankratochvil.net>
# 
# This program 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; exactly version 2 of June 1991 is required
# 
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA


package My::Project;
require 5.6.0;	# at least 'use warnings;' but we need some 5.6.0+ modules anyway
our $VERSION=do { my @r=(q$Revision$=~/\d+/g); sprintf "%d.".("%03d"x$#r),@r; };
our $CVS_ID=q$Id$;
use strict;
use warnings;

use My::Web;

use Exporter;
our @EXPORT=qw();
our @ISA=qw(My::Web Exporter);


sub print_project ($)
{
my($class,$ListItem)=@_;

	print "<h1>".$ListItem->{"name"}."</h1>\n";
	print $ListItem->{"description"};
	print "<hr />\n";
	my @table=(
		{"key"=>"summary","text"=>"Summary"},
		{"key"=>"license","text"=>"License","format"=>sub ($) {
				my %known=(
						"PD"=>"Public Domain",
						"GPL"=>a_href("http://www.gnu.org/licenses/gpl.html","GNU General Public License"),
						"LGPL"=>a_href("http://www.gnu.org/licenses/lgpl.html","GNU Lesser General Public License"),
						"com"=>"Commercial"
						);
				return $known{$_[0]};
				}},
		{"key"=>"maintenance","text"=>"State","format"=>sub ($) {
				my %known=(
						"active"=>"Ready to use. Project is now actively developed.",
						"ready"=>"Ready to use although no longer being actively developed.",
						"dead"=>"Dead code, no longer supported.",
						"merge"=>"Functions belong to existing other project.",
						"obsolete"=>"Obsoleted.",
						"update"=>"Package needs updating to recent software.",
						"accepted"=>"This patch got already integrated by the original package maintainer.",
						""=>"",
						);
				my @r;
				for ($known{($_[0]=~/^([^-]*)-?/)[0] || ""}) {
					push @r,$_ if $_;
					push @r," $'" if $';
					}
				return join(" ",@r);
				}},
		{"key"=>qr(^download\b),"text"=>sub ($) {
						$_[0]=~s/^download//;
						$_[0]=~s/^-/ /;
						return "Download".$_[0];
						},
				"format"=>sub ($) {
						my $r;
						if ($_[0]=~m#^[a-z]+://#) {
							$r=a_href($_[0],CGI::escapeHTML($_[0]));
							}
						else {
							$r=a_href($_[0],CGI::escapeHTML(File::Basename::basename($_[0])));
							my $size=(stat $_[0])[7];
							die "Cannot stat \"".$_[0]."\": $!" if !defined $size;
								 if ($size>=1024*1024) { $size=int($size/(1024*1024))." MB"; }
							elsif ($size>=1024     ) { $size=int($size/(1024     ))." KB"; }
							else                     { $size=int($size            )." B"; }
							$r.=" ($size)";
							}
						return $r;
						}},
		{"key"=>qr(^link\b),"text"=>sub ($) {
						$_[0]=~s/^link-//;
						return $_[0];
						},
				"format"=>sub ($) {
						return a_href($_[0],CGI::escapeHTML($_[0]));
						}},
		{"key"=>qr(^cvs\b),"text"=>sub ($) {
						$_[0]=~s/^cvs//;
						$_[0]=~s/^-/ /;
						return "CVS".$_[0];
						},
				"format"=>sub ($$) {
						my($val,$key)=@_;
						$key=~s/^cvs//;
						$key=~s/^-/ /;
						my $branch="";
						$branch=$1 if $val=~s/:(.*)//;
						return join("<br />\n\t\t",
								CGI::escapeHTML("cvs -d ".$W->{"pserver"}.":".$W->{"pserver_path"}." -z3"
										." checkout".(!$branch ? "" : " -r $branch -kk")
										.($val!~m#/# ? "" : " -d ".File::Basename::basename($val))
										." $val"),
								join(" | \n\t\t",
										map({ a_href($_->[1],$_->[0]); }
												["ViewCVS CVS repository",$W->{"project_viewcvs"}.$val."/".(!$branch ? "" : '?only_with_tag='.$branch)],
												["Download CVS snapshot" ,
														$W->{"project_viewcvs"}.$val."/".File::Basename::basename($val).".tar.gz?tarball=1"
																.(!$branch ? "" : '&only_with_tag='.$branch)],
												["CVS ChangeLog"         ,$W->{"top_dir"}."/project/ChangeLog.txt.pl?cvs=$val"])));
						}},
		{"key"=>"ownership","text"=>"Ownership"},
		{"key"=>"sponsorship","text"=>"Sponsoring Company"},
		{"key"=>"language","text"=>"Programming language","format"=>sub ($) {
				return a_href("http://java.sun.com/",CGI::escapeHTML($_[0]))
						if $_[0]=~/^Java\b/;
				return a_href("http://www.php.net/",CGI::escapeHTML($_[0]))
						if $_[0]=~/^PHP\b/;
				return undef();
				}},
		);

sub tableit_func
{
my($tableit,$val,$key,$ListItem)=@_;

	delete $ListItem->{$key};
	my $r="";
	$r.="<tr>";
		if ($tableit->{"text"}) {
			$r.="<td>";
				$r.=(!ref $_ ? $_ : &{$_}($key)) for ($tableit->{"text"});
			$r.="</td>";
			}
		if ($tableit->{"format"}) {
			do { $val=$_ if defined $_; } for (&{$tableit->{"format"}}($val,$key));
			}
		return join("",map("<tr><td>".$_->[0]."</td><td>".$_->[1]."</td></tr>\n",@$val))
				if ref $val;
		$r.="<td>$val</td>";
	$r.="</tr>\n";
}

	print '<table border="0" class="print_project">'."\n";
		for my $tableit (@table) {
			if (!ref $tableit->{"key"}) {
				print tableit_func($tableit,$ListItem->{$tableit->{"key"}},$tableit->{"key"},$ListItem)
						if $ListItem->{$tableit->{"key"}};
				}
			else {
				for my $key (@{$ListItem->{"keys_array"}}) {
					my $keyregex=$tableit->{"key"};
					next if $key!~/$keyregex/;
					print tableit_func($tableit,$ListItem->{$key},$key,$ListItem);
					}
				}
			}
	print "</table>\n";
	print vskip;
}

sub project_arr_to_hash (@)
{
my(@arr)=@_;

	return (
			@arr,
			"keys_array"=>[ My::Web::arr_keys(@arr) ],
			);
}

# $args{"ListItem"}=\%...;
sub init_project ($%)
{
my($class,%args)=@_;

	my $ListItem={ project_arr_to_hash(@{$args{"ListItem"}}) };
	my $name=$ListItem->{"name"};
	$name=~s#<a\s[^>]*>([^<]*)</a>#$1#g;
	my $W=$class->init(
			"title"=>$name,
			%args,
			"head_css"=>($args{"head_css"} || "")."
table.print_project td { vertical-align: top; }
",
			);
	$class->heading();
	$class->print_project({ %$ListItem });
	return $W;
}

1;