#!/usr/bin/perl -w

use strict;
use File::Basename;

open(FH, $ARGV[0]);
open(OFH, "> hitrate.dat");

my $line;
my $filename = "";
my $full_filename;
my $np;

while ( $line = <FH> ) {

	chomp($line);

	if ( $line =~ /^Peaks\ from\ peak\ search\ in\ (.+)$/ ) {

		$full_filename = $1;

		# Process last image
		if ( $filename ) {

			unless ( $filename =~ /LCLS_(\d+)_([A-Za-z]+)(\d+)_(\d\d)(\d\d)(\d\d)_/ ) {
				printf(STDERR "Wrong filename format '%s'!\n", $filename);
				exit(1);
			}
			my $year = $1;
			my $month = $2;
			my $day = $3;
			my $hour = $4;
			my $min = $5;
			my $sec = $6;

			printf(OFH "%s/%s/%s-%s:%s:%s %f\n", $year, $month, $day,
			                                     $hour, $min, $sec,
			                                     $np);
			printf("%s: %i peaks\n", $filename, $np);

		}

		$filename = basename($full_filename);
		$np = 0;

	}

	if ( $line =~ /^\s+[0-9\.]+\s+[0-9\.]+\s+[0-9\.]+\s+[0-9\.]+$/ ) {
		$np++;
	}

}

close(FH);
close(OFH);

open(GP, "| gnuplot");
print(GP "set term postscript enhanced font \"Helvetica,20\"\n");
print(GP "set output \"hitrate.ps\"\n");
print(GP "set xtics nomirror rotate by -60\n");
print(GP "set xdata time\n");
print(GP "set timefmt \"%Y/%b/%d-%H:%M:%S\"\n");
print(GP "set format x \"%d/%b %H:%M\"\n");
print(GP "unset key\n");
print(GP "plot [] [] \"hitrate.dat\" u 1:2 w points\n");
close(GP);

system("ps2pdf hitrate.ps");
unlink("hitrate.dat");
unlink("hitrate.ps");