package user_settings; 
use warnings "all";
use strict;
use Data::Dumper;
use series_dates;

# table:   calcms_user_settings
# columns: user, colors
require Exporter;
our @ISA = qw(Exporter);
our @EXPORT_OK = qw(getColors getColorCss get insert update delete get_columns defaultColors);
our %EXPORT_TAGS = ( 'all'  => [ @EXPORT_OK ] );

sub debug;

our $defaultColors=[
    {
        name  => 'color_event',
        css   => '#content .event',
        color => '#c5e1a5'
    },{
        name  => 'color_draft',
        css   => '#content .draft',
        color => '#eeeeee',
    },{
        name  => 'color_schedule',
        css   => '#content .schedule',
        color => '#dde4e6',
    },{
        name  => 'color_published',
        css   => '#content .event.published',
        color => '#a5d6a7',
    },{
        name  => 'color_no_series',
        css   => '#content .event.no_series',
        color => '#fff59d',
    },{
        name  => 'color_marked',
        css   => '#content .event.marked',
        color => '#81d4fa',
    },{
        name  => 'color_event_error',
        css   => '#content.conflicts .event.error',
        color => '#ffab91',
    },{
        name  => 'color_schedule_error',
        css   => '#content.conflicts .schedule.error',
        color => '#ffcc80'
    },{
        name  => 'color_work',
        css   => '#content .work',
        color => '#b39ddb'
    },{
        name  => 'color_playout',
        css   => '#content .play',
        color => '#90caf9'
    }
];

sub getColors{
    my $config=shift;
    my $conditions=shift;
    return unless defined $conditions->{user};
    my $user=$conditions->{user};

    #get defaultColors
    my $colors=[];
    my $colorMap={};
    for my $defaultColor (@$defaultColors){
        my $color= {
            name  => $defaultColor->{name},
            css   => $defaultColor->{css},
            color => $defaultColor->{color},
        };
        push @$colors,$color;
        $colorMap->{$color->{css}}=$color;
    }    

	my $settings = user_settings::get($config, {user => $user });
	$settings->{colors} |='';
    #overwrite colors from user settings
    for my $line (split(/\n+/, $settings->{colors})){
        my ($key,$value)=split(/\=/,$line);
        $key=~s/^\s+//;
        $key=~s/\s+$//;
        $value=~s/^\s+//;
        $value=~s/\s+$//;
        $colorMap->{$key}->{color}=$value if (($key ne '')&&($value ne '')&&(defined $colorMap->{$key}));
    }
    return $colors;
}

sub getColorCss{
    my $config=shift;
    my $conditions=shift;
    return unless defined $conditions->{user};
    
    my $shift=20;
    my $limit=220;
    
    my $colors=getColors($config, $conditions);
    my $style="<style>\n";
    for my $color (@$colors){
        $style.= $color->{css}."{\n\tbackground-color:".$color->{color}.";\n}\n";
        my $c=$color->{color};
        if ($c=~/#([a-fA-F0-9][a-fA-F0-9])([a-fA-F0-9][a-fA-F0-9])([a-fA-F0-9][a-fA-F0-9])/){
            my $r=hex($1);
            my $g=hex($2);
            my $b=hex($3);
            if ($r>$limit){$r-=$shift;}else{$r+=$shift;}
            if ($g>$limit){$g-=$shift;}else{$g+=$shift;}
            if ($b>$limit){$b-=$shift;}else{$b+=$shift;}
            $c=sprintf("#%x%x%x",$r,$g,$b);
            $style.= $color->{css}.":hover{\n\tbackground-color:".$c.";\n}\n";
        }
    }
    $style.="</style>\n";
    return $style;
}


sub get_columns{
	my $config=shift;

	my $dbh=db::connect($config);
	my $cols=db::get_columns($dbh, 'calcms_user_settings');
	my $columns={};
	for my $col (@$cols){
		$columns->{$col}=1;
	}
	return $columns;
}

sub get{
	my $config=shift;
	my $condition=shift;

	my $dbh=db::connect($config);

	my @conditions=();
	my @bind_values=();

	if ((defined $condition->{user}) && ($condition->{user} ne '')){
		push @conditions, 'user=?';
		push @bind_values, $condition->{user};
	}

	my $conditions='';
	$conditions=" where ".join(" and ",@conditions) if (@conditions>0);

	my $query=qq{
		select *
		from   calcms_user_settings
		$conditions
	};
	#print $query."\n";
	#print Dumper(\@bind_values);

	my $entries=db::get($dbh, $query, \@bind_values);
	return $entries->[0]||undef;
}

sub insert{
	my $config=shift;
	my $entry=shift;

	return unless(defined $entry->{user});
	return unless(defined $entry->{colors});
	my $dbh=db::connect($config);
	return db::insert($dbh, 'calcms_user_settings', $entry);
}

sub update{
	my $config=shift;
	my $entry=shift;

	return unless(defined $entry->{user});
	return unless(defined $entry->{colors});

	my $dbh=db::connect($config);
	my $values	=join(",", map {$_.'=?'} (keys %$entry));
	my @bind_values	=map {$entry->{$_}} (keys %$entry);
	push @bind_values,$entry->{user};

	my $query=qq{
		update calcms_user_settings 
		set    $values
		where  user=?
	};
	db::put($dbh, $query, \@bind_values);
	print "done\n";
}

sub delete{
	my $config=shift;
	my $entry=shift;
	
	return unless(defined $entry->{user});

	my $dbh=db::connect($config);

	my $query=qq{
		delete 
		from calcms_user_settings 
		where user=?
	};
	my $bind_values=[$entry->{user}];
	#print '<pre>$query'.$query.Dumper($bind_values).'</pre>';
	db::put($dbh, $query, $bind_values);
}

sub error{
	my $msg=shift;
	print "ERROR: $msg<br/>\n";
}

#do not delete last line!
1;