#! /usr/bin/env perl
# -*- mode: perl; -*-

use strict;
use warnings;

# Syntax: prefTest.pl [<var1>=<Subst1> [<var2>=<Subst> ...]] [[ctest parameters]]

my $bindir = "@CMAKE_BINARY_DIR@";

my $userdir = "$bindir/Testing/.lyx";

my %allowedKeys = (
  "use_converter_needauth_forbidden" => ["true", "false"],
  "use_converter_needauth" => ["true", "false"],
  "allow_geometry_session" => ["false"],
    );

chdir($bindir);

# Parse Arguments for strings to substitute

my %Subst = ();

my $ctestparams = 0;
my @ctestpars = ();
for my $arg ("allow_geometry_session=false", @ARGV) {
  if ($ctestparams) {
    push(@ctestpars, $arg);
  }
  else {
    if ($arg =~ /^([^=]+)=(.*)$/) {
      my $key = $1;
      my $value = $2;
      my $valid = 0;
      if (defined($allowedKeys{$key})) {
	for my $val (@{$allowedKeys{$key}}) {
	  if ($val eq $value) {
	    $valid = 1;
	    last;
	  }
	}
      }
      if ($valid) {
	$Subst{$key} = [$value, 0];
      }
      else {
	die("invalid key or value specified in \"$arg\"");
      }
    }
    else {
      $ctestparams = 1;
      push(@ctestpars, $arg);
    }
  }
}

if (%Subst) { # Try to do something only if a substitute is requested
  if (open(FO, '>', "$userdir/preferences.tmp")) {
    if (open(FI, "$userdir/preferences")) {
      while (my $l = <FI>) {
	for my $k (keys %Subst) {
	  if ($l =~ /^\\$k\b/) {
	    $l = "\\$k $Subst{$k}->[0]\n";
	    $Subst{$k}->[1] = 1;
	  }
	}
	print FO $l;
      }
    }
    for my $k (keys %Subst) {
      if ($Subst{$k}->[1] == 0) {
	print FO "\\$k $Subst{$k}->[0]\n";
      }
    }
    rename("$userdir/preferences.tmp", "$userdir/preferences");
  }
}

my $res = 0;
if (@ctestpars) {
  $res = system("ctest", @ctestpars);
}

exit($res);