#!/usr/bin/perl

my $pager = `which less` || `which more`;
my $tmpdir = "/tmp/FSJIRA";

system("mkdir -p $tmpdir");

my $cmd = "git log " . join(" ", @ARGV);

open(CMD, "$cmd |");
open(PAGER, "|$pager");
select PAGER;

while(my $line = <CMD>) {

    print $line;

    if ($line =~ /([A-Z]+\-[0-9]+)/) {
	my $bug = $1;
	my $txt = bugtxt($bug);
	if ($txt) {
	    print "=" x 80 . "\n";
	    print $txt;
	    print "=" x 80 . "\n";
	}
    }
}

close(CMD);
close(PAGER);

sub catfile($) {
    my $file = shift;
    open(I, $file) or return;
    $/ = undef;
    my $txt = <I>;
    $/ = "\n";
    close(I);
    return $txt;
}


sub bugtxt($)
{
    my $bug = shift or return "";
    my $now = time;
    my $tmp;

    $bug =~ s/\.\.//g;
    $bug =~ s/^\///g;
    $bug =~ s/~//g;
    $bug =~ s/[^a-zA-Z0-9\-]//g;

    $tmp = "$tmpdir/$bug.txt";

    if(-f $tmp) {
	return catfile($tmp);
    }

    my $cmd = "wget -q https://freeswitch.org/jira/si/jira.issueviews:issue-xml/$bug/$bug.xml -O $tmp";

    system($cmd);

    my $txt = catfile($tmp);

    my ($a,$title) = $txt =~ /\<title\>(.*?)\<\/title\>/smg;
    my ($status) = $txt =~ /\<status.*?\>(.*?)\<\/status\>/smg;
    my ($a,$des) = $txt =~ /\<description\>(.*?)\<\/description\>/smg;
    my ($alogin, $aname) = $txt =~ /\<assignee username=\"([^\"]+)\"\>(.*?)\<\/assignee\>/smg;
    my ($rlogin, $rname) = $txt =~ /\<reporter username=\"([^\"]+)\"\>(.*?)\<\/reporter\>/smg;


    if ($rname && $aname) {
	my $data = "$title\nReporter: $rname [$rlogin]\nAssignee: $aname [$alogin]\nStatus: $status\nhttps://freeswitch.org/jira/browse/$bug\n";
	open(O, ">$tmp");
	print O $data;
	close(O);
	return $data;
    } else {
	unlink($tmp);
    }
}