#!/usr/bin/perl -w
# -*- perl -*-
use P4CGI ;
use strict ;
#
#################################################################
#  CONFIGURATION INFORMATION 
#  All config info should be in P4CGI.pm
#
#################################################################
#
#  P4 depot tree browser
#
#################################################################
 
 
				# * Get age of data file 
my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
    $atime,$mtime,$ctime,$blksize,$blocks) = stat(P4CGI::DTB_DATAFILE() . "0");
my $age ;
if(defined $mtime) {
    $age = time() - $mtime ;
} else {
    $age = 0 ;
}
				# * Create a "DD HH mm ss"-representation of age
my $fileAgeSeconds = $age ;
my $fileAgeDays = int($fileAgeSeconds / (3600*24)) ; 
$fileAgeSeconds -= $fileAgeDays*3600*24 ;
my $fileAgeHours = int($fileAgeSeconds/3600)       ; 
$fileAgeSeconds -= $fileAgeHours*3600 ;
my $fileAgeMinutes = int($fileAgeSeconds/60)       ;  
$fileAgeSeconds -= $fileAgeMinutes*60 ;
 
my $fileAge = "Data file is " ;
$fileAge .= "$fileAgeDays days " if $age > (3600*24) ;
$fileAge .= "$fileAgeHours hours " if $age > 3600 ;
$fileAge .= "$fileAgeMinutes minutes and " if $age > 60 ;
$fileAge .= "$fileAgeSeconds seconds old" ;    
 
$fileAge  = "NO DATAFILE FOUND" if $age == 0 ;
 
				# * Get path from argument
my $arg = P4CGI::cgi()->param("FSPC") ;
$arg = "depot" unless defined $arg ;
				# * Get HIDEDEL argument (Hide deleted files)
my $hidedel = P4CGI::cgi()->param("HIDEDEL") ;
$hidedel = "NO" unless defined $hidedel ;
$hidedel = "YES" unless $hidedel eq "NO" ;
 
 
# * Create link to changes for all files below
my $linkToAllbelow =
    "<a href=\"" . P4CGI::CHB_URL() . "?CMD=changes&FSPC=//$arg/...\">View changes for all files below this point</a>";
 
				# * Some variables...
my @subdirs ;
# directories information (from data file)
my @files ;
# files information
my $change = 0;
# change No. when data file was created
my $filecnt ;
# files in depot when data file was created
 
my $errmsg= "ERROR Can not open local file " . P4CGI::DTB_DATAFILE() . ".*" ;
# error message string (assume the worst)
     
				# ** open data file
local *D ;
my $filename = P4CGI::DTB_DATAFILE() . (length($arg) % P4CGI::DTB_FILESPLIT()) ;
open(D,"<$filename") && do {
				# ** Get change and file count
    $change=<D> ;
    $filecnt=<D> ;
				# ** Set new error message (again, assume the worst)
    $errmsg = "Subdir //$arg not found!" ;
				# ** read until....
    while(<D>) {
	if(/^$arg;/) {
				# ** ...line for specified dir found
				# ** get information part (;-separated)
	    my @tmp = split /;/,$_ ;
	    shift @tmp ;
				# ** for each sub dir
	    foreach (@tmp) {
		push @subdirs,"<a href=\"" . P4CGI::DTB_URL() .
		    "?FSPC=$arg/$_&HIDEDEL=$hidedel\">$_/</A><BR>" ;
	    }
	    $errmsg = "" ;
	    # ** skip rest of data file (we got what we wanted)
	    last ;
	}
    }
				# ** close file 
    close D ;
				# ** Get files for specified dir
    my @tmp ;
    &P4CGI::p4call(\@tmp,"files //$arg/* 2>/dev/null") ;
    foreach (@tmp) {
	/([^\#]+)\#(.*)/ ;
	my $filename=$1 ;
	my $info=$2 ;
	$filename =~ s/^.*\/// ;
	my ($rev,$inf) = split / - /,$info ;
	my $file = $filename ;
	if($inf =~ /^delete/) {
	    if($hidedel eq "YES") { next ; } ;
	    $file= "<STRIKE>$filename</STRIKE>";
	} ;
	push @files,
	"<a href=\"" . P4CGI::FLV_URL() . 
	    "?FSPC=//$arg/$filename\">$file</A>\#$rev - $inf<BR>" ;
    } ;
    # ** Clear error message
    $errmsg = "" ;
} ;
 
				# Check if data file update is required or in progress
if($age == 0 or ((P4CGI::CURRENT_CHANGE_LEVEL() != $change) and ($age > 600))) {
    if(P4CGI::valid_lockfile(P4CGI::DTB_LOCKFILE())) {
	$fileAge .= 
	    "<font color=red> Data file update in progress.....</font>" ;
    }
    else {
	$fileAge .= 
	    "<blink><font color=red> Update of data file initiated!</font></blink>" ;
	system(P4CGI::DTB_UPDATE()." >>".P4CGI::DTB_DATAFILE()."log 2>&1 &") ;
    }
}
 
				# ** bail if error
if($errmsg) {
    &P4CGI::bail($errmsg) ;
}
 
my $toggleHide = "<a href=\"".P4CGI::DTB_URL()."?FSPC=$arg&HIDEDEL=" ;
if($hidedel eq "YES") {
    $toggleHide .= "NO\">Show deleted files</A>" ;
}
else {
    $toggleHide .= "YES\">Hide deleted files</A>" ;
}
 
print
    "",
    &P4CGI::start_page("Depot tree browser<br>//$arg",
		       &P4CGI::ul_list("<b>Subdir</b> -- Descend to subdir",
				       "<b>File</b> -- Show file log",
				       "$linkToAllbelow",
				       $toggleHide)) ;
 
				# ** create a "file found" flag and set it to NO
my $fileFound = "N" ;
 
print
    "",
    &P4CGI::start_table(""),
    &P4CGI::table_row("-type","th",
		      "-align","left",
		      undef,"Subdirs",undef,"Files")  ;
 
				# ** Create 1 or 2 colums for subdirs
my $subdirsC1 ;
my $subdirsC2 ;
if(@subdirs > 30) {
    my $all = scalar(@subdirs) ;
    my $half = int($all/2) ;
    $subdirsC1 = join("\n",@subdirs[0..$half]) ;
    $subdirsC2 = join("\n",@subdirs[$half+1..$all]) ;
} 
else {
    $subdirsC2 = join("\n",@subdirs) ;
}
				# ** Create 1 or 2 colums for files
my $filesC1 ;
my $filesC2 ;
if(@files > 30) {
    my $half = @files/2 ;
    $filesC1 = join("\n",@files[0..$half]) ;
    $filesC2 = join("\n",@files[$half+1..@files]) ;
} 
else {
    $filesC2 = join("\n",@files) ;
}
				# ** print data
print
    "",
    &P4CGI::table_row("-valign","top",
		      $subdirsC1,$subdirsC2,$filesC1,$filesC2),
    &P4CGI::end_table(),
    "<hr>" ;
 
if($change == &P4CGI::CURRENT_CHANGE_LEVEL()) {
    print "Data file is up to date with latest changes" ;
}
else {
    print
	"$fileAge&nbsp;&nbsp;&nbsp;&nbsp;<i>",
	"<br>(There were $filecnt files in depot and change level was $change)</i>\n" ;
}
print
    "",
    &P4CGI::end_page() ;
 
#
# That's it folks
#