#!/usr/bin/perl

use strict;
use warnings;
use File::Path qw(make_path);

use constant VCX_DIR => '.vcx';
use constant BASE_DIR => VCX_DIR . '/bse';
use constant OBJ_DIR  => VCX_DIR . '/obj';
use constant TMP_DIR  => VCX_DIR . '/tmp';

my $cmd = $ARGV[0] // '';

if ($cmd eq 'init') {
    init_repo();
} elsif ($cmd eq 'status') {
    run_status();
} else {
    print "Usage: $0 [init|status]\n";
    exit 1;
}

sub init_repo {
    my @dirs = (OBJ_DIR, BASE_DIR, TMP_DIR);
    foreach my $dir (@dirs) {
        if (!-d $dir) {
            make_path($dir);
            print "Created: $dir\n";
        }
    }
    print "Repository ready\n";
}

sub run_status {
    my $diff_cmd = "diff -x " . VCX_DIR . " -rq " . BASE_DIR . " .";
    $diff_cmd .= " -X .vcxignore" if -e ".vcxignore";

    my @output = `$diff_cmd`;
    
    foreach my $line (@output) {
        chomp $line;
        # Format output
        if ($line =~ /^Only in \Q@{[BASE_DIR]}\E: (.+)$/) {
            print "[D] $1\n";
        } elsif ($line =~ /^Only in \.: (.+)$/) {
            print "[N] $1\n";
        } elsif ($line =~ /^Files \Q@{[BASE_DIR]}\E\/(.+) and \.\/(.+) differ$/) {
            print "[M] $1\n";
        }
    }
}