#!/usr/bin/perl

$refGenome = "hg38";
$idColumns = 5;
$string = "bigWig";     # files to collect (like 'bw' or 'bigWig')

$path = `pwd`; $path =~ s/\s//g;
$path =~ s/\/data\/wade\///;

$ls = `ls -1 *.$string`;
foreach $bwfile (split/\n/, $ls) {
  @ar = split/\./, $bwfile;
  @arX = splice(@ar, 0, $idColumns);
  $id = join(".", @arX);
  if ($id =~ /H3K27ac/) { $rgb = "127,0,255"; $vr = 10; }
  elsif ($id =~ /H3K4me/) { $rgb = "255,128,0"; $vr = 20; }
  elsif ($id =~ /H3K27me3/) { $rgb = "0,128,255"; $vr = 10; }
  elsif ($id =~ /TET2/) { $rgb = "0,153,0"; $vr = 10; }
  elsif ($id =~ /IgG/) { $rgb = "102,102,102"; $vr = 10; }
  else { print "ERROR: what color to assign for $id ???\n"; exit; }
  print "track type=bigWig name=\"$id\" db=$refGenome visibility=full alwaysZero=on color=$rgb autoScale=off viewLimits=0:$vr maxHeightPixels=40 bigDataUrl=https://snpinfo.niehs.nih.gov/ucscview/$path/$bwfile\n";
}