#!perl

use strict;

use warnings;

use File::Basename;

use Test::More 0.88;

use lib 't';

use Util    qw[tmpfile rewind slurp monkey_patch dir_list parse_case

                  set_socket_source sort_headers $CRLF $LF];

use HTTP::Tiny;

BEGIN { monkey_patch() }

for my $file ( dir_list("corpus", qr/^head/ ) ) {

  my $data = do { local (@ARGV,$/) = $file; <> };

  my ($params, $expect_req, $give_res) = split /--+\n/, $data;

  # cleanup source data

  my $version = HTTP::Tiny->VERSION || 0;

  $expect_req =~ s{VERSION}{$version};

  s{\n}{$CRLF}g for ($expect_req, $give_res);

  # figure out what request to make

  my $case = parse_case($params);

  my $url = $case->{url}[0];

  my %options;

  my %headers;

  for my $line ( @{ $case->{headers} } ) {

    my ($k,$v) = ($line =~ m{^([^:]+): (.*)$}g);

    $headers{$k} = $v;

  }

  $options{headers} = \%headers if %headers;

  if ( $case->{content} ) {

    $options{content} = $case->{content}[0];

  }

  elsif ( $case->{content_cb} ) {

    $options{content} = eval join "\n", @{$case->{content_cb}};

  }

  if ( $case->{trailer_cb} ) {

    $options{trailer_callback} = eval join "\n", @{$case->{trailer_cb}};

  }

  # setup mocking and test

  my $res_fh = tmpfile($give_res);

  my $req_fh = tmpfile();

  my $http = HTTP::Tiny->new( keep_alive => 0 );

  set_socket_source($req_fh, $res_fh);

  (my $url_basename = $url) =~ s{.*/}{};

  my @call_args = %options ? ($url, \%options) : ($url);

  my $response  = $http->head(@call_args);

  my $got_req = slurp($req_fh);

  my $label = basename($file);

  is( sort_headers($got_req), sort_headers($expect_req), "$label request" );

  my ($rc) = $give_res =~ m{\S+\s+(\d+)}g;

  is( $response->{status}, $rc, "$label response code $rc" )

    or diag $response->{content};

  if ( substr($rc,0,1) eq '2' ) {

    ok( $response->{success}, "$label success flag true" );

  }

  else {

    ok( ! $response->{success}, "$label success flag false" );

  }

}

done_testing;