#!/usr/bin/perl
use strict;
use diagnostics;
eval {
use CGI::Carp qw(fatalsToBrowser);
use CGI::Request;
use DhtmlURLTimingDataSet;
use DhtmlURLTimingGraph;

my $request = new CGI::Request;

my $id  = $request->param('id'); #XXX need to check for valid parameter id
my $id2 = $request->param('id2') || undef; # possible comparison test

# set up the data for the first graph
my $rs = DhtmlURLTimingDataSet->new($id);
my @data = ();
push @data,  [ map($_->[1], @{$rs->{sorted}}) ];  # URL 
push @data,  [ map($_->[4], @{$rs->{sorted}}) ];  # median
# '7' is the first slot for individual test run data
for (my $idx = 7; $idx < (7+$rs->{count}); $idx++) { 
    push @data,  [ map($_->[$idx], @{$rs->{sorted}}) ];
}


# set up the data for the second graph, if requested a second id
# need to sort according to the first chart's ordering
my $rs2;
if ($id2) {
    $rs2 = DhtmlURLTimingDataSet->new($id2);
    my @order = map($_->[0], @{$rs->{sorted}});  # get the first chart's order
    my @resort = ();
    for my $i (@order) {
        for (@{$rs2->{sorted}}) {
            if ($i == $_->[0]) {
                push @resort, $_;
                last;
            }
        }
    }
    push @data,  [ map($_->[4], @resort) ];  # median
    for (my $idx = 7; $idx < (7+$rs2->{count}); $idx++) { 
        push @data,  [ map($_->[$idx], @resort) ];
    }
}

# and now convert 'NaN' to undef, if they exist in the data.
for (@data) { for (@$_) { $_ = undef if $_ eq "NaN"; } }

# set up the chart parameters
my $args = {};
$args->{cgimode} = 1;
$args->{title}   = "id=$id";

# need to draw first visit as dotted with points
my $types = ['lines','lines']; for (1..$rs->{count}-1) { push @$types, undef;  } 
my $dclrs = [];        for (0..$rs->{count}) { push @$dclrs, 'lred'; } 
my $legend = [$id];    for (1..$rs->{count}) { push @$legend, undef;  } 
if ($id2) {
    push @$types, 'lines'; for (1..$rs2->{count}) { push @$types, undef;  } 
    for (0..$rs2->{count}) { push @$dclrs, 'lblue'; } 
    push @$legend, $id2;  for (1..$rs2->{count}) { push @$legend, undef; } 
}
$args->{types}   = $types; 
$args->{dclrs}   = $dclrs;
$args->{legend}  = $legend;

#XXX set min to zero, and round max to 1000
$args->{y_max_value} = maxDataOrCap();
## nope $args->{y_min_value} = 1000;
$args->{width}   = 800;
$args->{height}  = 720;

my $g = DhtmlURLTimingGraph->new(\@data, $args);
$g->plot();

exit;


sub maxDataOrCap {
    my $max;
    warn $rs->{maximum};
    if ($rs2 && ($rs->{maximum} < $rs2->{maximum})) {
	$max = $rs2->{maximum}; 
    } else {
	$max = $rs->{maximum}; 
    }
    warn $max;
    #return $max > 10000 ? 10000 : 1000*int($max/1000)+1000;
    # just return whatever, rounded to 1000
    return 1000*int($max/1000)+1000;
}

}; print "Content-Type: text/plain\n\n$@\n" if $@;