#!/usr/bin/env perl

use strict;
use warnings;
use diagnostics;

use feature 'say';

my $local_root            = '/home/christoph/Notes/TU/MastersThesis/FailNix';
my $local_builds_dir      = "$local_root/builds";
my $local_experiments_dir = "$local_root/targets/wasm-module";
my $justbin               = "$local_root/just-bin/just";
my $justfile              = "$local_root/scripts/nixos.just";

my @targets = ( "fail", "linux", "linux-baremetal" );
my @modes   = ( "c",    "aot",   "interp" );

sub just {
    say "Running: just @_...";
    system("$justbin -d $local_root -f $justfile @_")
      and die "Build failed";
}

die "Please archive or delete old experiments before building"
  if ( -d $local_builds_dir );

# Find experiments
opendir( my $dhandle, $local_experiments_dir )
  or die "opendir$local_experiments_dir): $!";
my @experiments =
  map { s/\.cpp//r } grep { -f "$local_experiments_dir/$_" } readdir($dhandle);
closedir($dhandle);

# Select experiments
say "Experiments:";
foreach (@experiments) { say " - $_"; }
print "Enter single experiment name, comma-separated list or \"all\": ";
my $experiment_sel = <STDIN>;
chomp $experiment_sel;
my @selected_experiments =
  $experiment_sel eq "all" ? @experiments : split( ',', $experiment_sel );

# Select targets
say "Targets:";
foreach (@targets) { say " - $_"; }
print "Enter single target, comma-separated list or \"all\": ";
my $target_sel = <STDIN>;
chomp $target_sel;
my @selected_targets =
  $target_sel eq "all" ? @targets : split( ',', $target_sel );

# Select modes
say "Modes:";
foreach (@modes) { say " - $_"; }
print "Enter single mode, comma-separated list or \"all\": ";
my $mode_sel = <STDIN>;
chomp $mode_sel;
my @selected_modes = $mode_sel eq "all" ? @modes : split( ',', $mode_sel );

# Build everything
system( "mkdir", "-p", "$local_builds_dir" );
foreach my $experiment (@selected_experiments) {
    foreach my $target (@selected_targets) {
        foreach my $mode (@selected_modes) {
            just( "build", $experiment, $target, $mode );
            system(
"mv $local_root/build-$experiment $local_builds_dir/$experiment-$target-$mode"
            );
            system("rm -rf $local_root/build-$experiment");
        }
    }
}