#!/usr/bin/perl -w
# -*- perl -*-
use P4CGI ;
use strict ;
#
#################################################################
#  CONFIGURATION INFORMATION 
#  All config info should be in P4CGI.pm
#
#################################################################
#
#  Update datafiles for depot tree browser p4dtree
#
#################################################################

&P4CGI::makedir(P4CGI::DTB_FILEDIR()) ;

print "Update data files for dtb \n" ;
if(P4CGI::valid_lockfile(P4CGI::DTB_LOCKFILE())) {
    print "Update already in progress\n" ;
    exit 0 ;
}
&P4CGI::create_lockfile(P4CGI::DTB_LOCKFILE()) or die("Can't create lockfile!") ;

# Get all files indepot
local *P4 ;

my %data ;
my $filecnt = 0  ;
$| = 1 ;
print "Read file information..." ; 
&P4CGI::p4call(*P4,"files //...") ;
while(<P4>) {
    $filecnt++ ;
    ($filecnt % 1000) == 0  and do { print "." ; } ;
    chomp ;
				# Remove leading //
    s/^\/\/// ; 
				# Remove file part
    s/\/[^\/]+$// ; 

    my $subdir ="" ;
    while($_) { 
	unless(defined $data{$_}) {
	    my %tmp ;
	    $data{$_} = \%tmp ;
	}
	if($subdir) {
	    last if defined $data{$_}{$subdir} ;
	    $data{$_}{$subdir} = "" ;
	} ;
	s/.([^\/]*)$// ;
	$subdir=$1 ;	
    } 
}
close P4 ;

print " $filecnt files\nCreate data files.." ;
my $lastsuff = P4CGI::DTB_FILESPLIT() -1 ;
my @fileSuffixes = (0..$lastsuff) ;
my $fileSuffix ;
foreach $fileSuffix (@fileSuffixes) {
    my $filename = P4CGI::DTB_DATAFILE() . "$fileSuffix.tmp" ;
    print "." ;
    open(D,">$filename") or die "Can not open data file for write" ;
    print D P4CGI::CURRENT_CHANGE_LEVEL() . "\n$filecnt\n" ;
    my $cnt = 0 ;
    my $dir ;
    foreach $dir (sort keys %data) {
	if((length($dir) % P4CGI::DTB_FILESPLIT()) == $fileSuffix) {
	    print D "$dir" ;
	    foreach (sort keys %{$data{$dir}}) {
		print D ";$_" ;
	    }
	    print D "\n" ;
	    $cnt++ ;
	}
    }
    print "($cnt)" ;
    close D ;
}
print "\nmv files!\n" ;
foreach $fileSuffix (@fileSuffixes) {
    my $filename =  P4CGI::DTB_DATAFILE() . "$fileSuffix" ;
    system("mv $filename.tmp $filename") ;
}

unlink(P4CGI::DTB_LOCKFILE()) ;