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use URI::Escape;
use IRI;

my $cert;
my $key;
my $help;
my $listen_url;
my $say_url;

GetOptions(
  'help' => \$help,
  'cert_file=s' => \$cert,
  'key_file=s' => \$key)
    or die("Error in command line arguments\n");

# Help
if ($help) {
  my $parser = Pod::Text->new();
  $parser->parse_file($0);
  exit;
}

die "âš  You must provide an existing certificate and key file\n"
    unless $cert and $key and -f $cert and -f $key;

# Regular arguments
decode_argv();
my ($uri) = @ARGV;

die "âš  You must provide an URI\n" unless $uri;

my $iri = IRI->new(value => encode_utf8 $uri);

die "âš  The URI '$uri' must use the gemini scheme\n" unless $iri->scheme and $iri->scheme eq 'gemini';
die "âš  The URI '$uri' must have an authority\n" unless $iri->authority;
warn "âš  Ignoring path '" . $iri->path . "'\n" if $iri->path;
warn "âš  Ignoring fragment '" . $iri->fragment . "'\n" if $iri->fragment;

my $host = domain_to_ascii(decode_utf8 $iri->host);
my $port = $iri->port || 1965;
my $unsafe = "^A-Za-z0-9\-\._~"; # the default
my $path = uri_escape_utf8($iri->path, $unsafe . "/"); # path separator are safe

$uri = $iri->scheme . '://' . $host . ':' . $port;
$uri .= $path if $path;

# start read loop for saying stuff
my $term = Term::ReadLine->new($uri);
my $prompt = "> ";
my $OUT = $term->OUT || \*STDOUT;
while (defined ($_ = $term->readline($prompt))) {
  exit if $_ eq "quit";
  # create client
  my $text = uri_escape_utf8($_);
  Mojo::IOLoop->client({
    address => $host,
    port => $port,
    tls => 1,
    tls_cert => $cert,
    tls_key => $key,
    tls_options => { SSL_verify_mode => 0x00 }} => sub {
      my ($loop, $err, $stream) = @_;
      die $err if $err;
      $stream->on(read => sub {
	my ($stream, $bytes) = @_;
	if ($bytes =~ /^[123]/) {
	  # Do nothing
	} else {
	  # Print server result
	  print "\e[31m$bytes\e[0m"; # red
	}});
      # Write request to the server
      $stream->write("$uri?$text\r\n")});
  # Start event loop if necessary
  Mojo::IOLoop->start unless Mojo::IOLoop->is_running;
  # Add to history
  $term->addhistory($_) if /\S/;
}