#! /bin/sh
# shellcheck disable=SC2312
TEMPDIR="$(mktemp -d /tmp/gophernicusXXXXXX)" || exit
readonly TEMPDIR

if uname | grep -q 'Darwin' ; then
    # I do not have hardware to make this work on and am uninterested in
    # making another testsuite for travis Macs at this time
    exit 0
fi

mkdir -p "${TEMPDIR}"
cp .travis/test.gophermap "${TEMPDIR}/gophermap"
chmod 755 "${TEMPDIR}"
chmod 644 "${TEMPDIR}/gophermap"

#test 1, test a basic gophermap,
printf "\n" | src/gophernicus -h test.invalid -nf -nu -nv -nx -nf -nd -nr -r "${TEMPDIR}" > "${TEMPDIR}"/test1.output
if ! cmp .travis/test1.answer "${TEMPDIR}/test1.output" ; then
    echo test1 round1 FAILED, test info saved at "${TEMPDIR}", diff between expected output and actual output:
    diff .travis/test1.answer "${TEMPDIR}/test1.output"
    exit 1
else
   echo test1 round1 passed
fi
printf "\r\n" | src/gophernicus -h test.invalid -nf -nu -nv -nx -nf -nd -nr -r "${TEMPDIR}" > "${TEMPDIR}"/test1.output
if ! cmp .travis/test1.answer "${TEMPDIR}/test1.output" ; then
    echo test1 round2 FAILED, test info saved at "${TEMPDIR}", diff between expected output and actual output:
    diff .travis/test1.answer "${TEMPDIR}/test1.output"
    exit 1
else
   echo test1 round2 passed
fi
#test 1, test a basic gophermap
printf "/\n" | src/gophernicus -h test.invalid -nf -nu -nv -nx -nf -nd -nr -r "${TEMPDIR}" > "${TEMPDIR}"/test1.output
if ! cmp .travis/test1.answer "${TEMPDIR}/test1.output" ; then
    echo test1 round3 FAILED, test info saved at "${TEMPDIR}", diff between expected output and actual output:
    diff .travis/test1.answer "${TEMPDIR}/test1.output"
    exit 1
else
   echo test1 round3 passed
fi
printf "/\r\n" | src/gophernicus -h test.invalid -nf -nu -nv -nx -nf -nd -nr -r "${TEMPDIR}" > "${TEMPDIR}"/test1.output
if ! cmp .travis/test1.answer "${TEMPDIR}/test1.output" ; then
    echo test1 round4 FAILED, test info saved at "${TEMPDIR}", diff between expected output and actual output:
    diff .travis/test1.answer "${TEMPDIR}/test1.output"
    exit 1
else
   echo test1 round4 passed
fi
#test 1, test a basic gophermap
printf "GET /\n" | src/gophernicus -h test.invalid -nf -nu -nv -nx -nf -nd -nr -r "${TEMPDIR}" > "${TEMPDIR}"/test1.output
if ! cmp .travis/test1.answer "${TEMPDIR}/test1.output" ; then
    echo test1 round5 FAILED, test info saved at "${TEMPDIR}", diff between expected output and actual output:
    diff .travis/test1.answer "${TEMPDIR}/test1.output"
    exit 1
else
   echo test1 round5 passed
fi
#test 1, test a basic gophermap
printf "GET /\r\n" | src/gophernicus -h test.invalid -nf -nu -nv -nx -nf -nd -nr -r "${TEMPDIR}" > "${TEMPDIR}"/test1.output
if ! cmp .travis/test1.answer "${TEMPDIR}/test1.output" ; then
    echo test1 round6 FAILED, test info saved at "${TEMPDIR}", diff between expected output and actual output:
    diff .travis/test1.answer "${TEMPDIR}/test1.output"
    exit 1
else
   echo test1 round6 passed
fi

#test 2 test a non-existant file
printf "FAKEFILE\n" | src/gophernicus -h test.invalid -nf -nu -nv -nx -nf -nd -nr -r "${TEMPDIR}" > "${TEMPDIR}"/test2.output
if ! cmp .travis/test2.answer "${TEMPDIR}/test2.output" ; then
    echo test2 round1 FAILED, test info saved at "${TEMPDIR}", diff between expected output and actual output:
    diff .travis/test2.answer "${TEMPDIR}/test2.output"
    exit 1
else
   echo test2 round1 passed
fi

#test 2 test a non-existant file
printf "FAKEFILE\r\n" | src/gophernicus -h test.invalid -nf -nu -nv -nx -nf -nd -nr -r "${TEMPDIR}" > "${TEMPDIR}"/test2.output
if ! cmp .travis/test2.answer "${TEMPDIR}/test2.output" ; then
    echo test2 round2 FAILED, test info saved at "${TEMPDIR}", diff between expected output and actual output:
    diff .travis/test2.answer "${TEMPDIR}/test2.output"
    exit 1
else
   echo test2 round2 passed
fi

#test 2 test a non-existant file
printf "/FAKEFILE\n" | src/gophernicus -h test.invalid -nf -nu -nv -nx -nf -nd -nr -r "${TEMPDIR}" > "${TEMPDIR}"/test2.output
if ! cmp .travis/test2.answer "${TEMPDIR}/test2.output" ; then
    echo test2 round3 FAILED, test info saved at "${TEMPDIR}", diff between expected output and actual output:
    diff .travis/test2.answer "${TEMPDIR}/test2.output"
    exit 1
else
   echo test2 round3 passed
fi

#test 2 test a non-existant file
printf "/FAKEFILE\r\n" | src/gophernicus -h test.invalid -nf -nu -nv -nx -nf -nd -nr -r "${TEMPDIR}" > "${TEMPDIR}"/test2.output
if ! cmp .travis/test2.answer "${TEMPDIR}/test2.output" ; then
    echo test2 round4 FAILED, test info saved at "${TEMPDIR}", diff between expected output and actual output:
    diff .travis/test2.answer "${TEMPDIR}/test2.output"
    exit 1
else
   echo test2 round4 passed
fi

#test 3 was to test non-existant GIFs, this feature has been removed from the zcrayfish fork
echo test3  passed

#test 4 test file extensions
mkdir -p "${TEMPDIR}"/extensions
for ext in txt pl py sh tcl c cpp h log conf php php3 hqx Z gz tgz tar zip bz2 rar sea uue iso so o rtf ttf bin ics ical gif html htm xhtml css rdf rss xml svg jpg jpeg jfif png bmp ico xbm xpm pcx webp mbox eml mht mhtml doc ppt xls xlsx docx pptx mp3 mp2 wav mid midi wma flac ogg aiff aac m4a opus avi mp4 mpg mov qt asf mpv m4v webm ogv 3gp 3g2 wmv pic pict tif tiff pdf ps
do
  touch "${TEMPDIR}/extensions/empty.${ext}"
done
printf "extensions\n" | src/gophernicus -h test.invalid -nf -nu -nv -nx -nf -nd -nr -r "${TEMPDIR}" > "${TEMPDIR}"/test4.output
if ! cmp .travis/test4.answer "${TEMPDIR}"/test4.output ; then
    echo test4 round1 FAILED, diff between expected and actual output
    diff .travis/test4.answer "${TEMPDIR}"/test4.output
    exit 1
else
   echo test4 round1 passed
fi
printf "extensions\r\n" | src/gophernicus -h test.invalid -nf -nu -nv -nx -nf -nd -nr -r "${TEMPDIR}" > "${TEMPDIR}"/test4.output
if ! cmp .travis/test4.answer "${TEMPDIR}"/test4.output ; then
    echo test4 round2 FAILED, diff between expected and actual output
    diff .travis/test4.answer "${TEMPDIR}"/test4.output
    exit 1
else
   echo test4 round2 passed
fi
printf "/extensions\n" | src/gophernicus -h test.invalid -nf -nu -nv -nx -nf -nd -nr -r "${TEMPDIR}" > "${TEMPDIR}"/test4.output
if ! cmp .travis/test4.answer "${TEMPDIR}"/test4.output ; then
    echo test4 round3 FAILED, diff between expected and actual output
    diff .travis/test4.answer "${TEMPDIR}"/test4.output
    exit 1
else
   echo test4 round3 passed
fi
printf "GET /extensions\n" | src/gophernicus -h test.invalid -nf -nu -nv -nx -nf -nd -nr -r "${TEMPDIR}" > "${TEMPDIR}"/test4.output
if ! cmp .travis/test4.answer "${TEMPDIR}"/test4.output ; then
    echo test4 round5 FAILED, diff between expected and actual output
    diff .travis/test4.answer "${TEMPDIR}"/test4.output
    exit 1
else
   echo test4 round5 passed
fi

#test5 Tests gophernicus' detection of files without extensions (i.e. using magic numbers)
mkdir -p "${TEMPDIR}"/magic
echo 'GIF87a' > "${TEMPDIR}"/magic/gif87a
echo 'GIF89a' > "${TEMPDIR}"/magic/gif89a
printf '\377\330\377\340' > "${TEMPDIR}"/magic/jfif
printf '\377\330\377\341' > "${TEMPDIR}"/magic/exif
printf '\377\330\377\342' > "${TEMPDIR}"/magic/ciff
printf '\377\330\377\348' > "${TEMPDIR}"/magic/spiff
printf '\211PNG' > "${TEMPDIR}"/magic/png
printf '\111\111\052\000' > "${TEMPDIR}"/magic/tiffle
printf '\115\155\000\052' > "${TEMPDIR}"/magic/tiffbe
printf '\nContent-Type: ' > "${TEMPDIR}"/magic/mime
echo '<html>' > "${TEMPDIR}"/magic/htmllc
echo '<HTML>' > "${TEMPDIR}"/magic/htmluc
echo '<?xml ' > "${TEMPDIR}"/magic/xml
printf '\037\235\220' > "${TEMPDIR}"/magic/gz1
printf '\037\213\010' > "${TEMPDIR}"/magic/gz2
echo 'fLaC' > "${TEMPDIR}"/magic/flac
echo 'MThd' > "${TEMPDIR}"/magic/midi
echo 'ID3' > "${TEMPDIR}"/magic/mp3id3
printf '\032\105\337\243' > "${TEMPDIR}"/magic/matroska
echo 'begin 644 fake.file' > "${TEMPDIR}"/magic/uuencode
printf 'begin-base64 644 fake.file\nCg==\n====' > "${TEMPDIR}"/magic/uuencodeb64
echo 'This is a plain text file I guess' > "${TEMPDIR}"/magic/unknown
printf "magic\n" | src/gophernicus -h test.invalid -nf -nu -nv -nx -nf -nd -nr -r "${TEMPDIR}" > "${TEMPDIR}"/test5.output
if ! cmp .travis/test5.answer "${TEMPDIR}/test5.output" ; then
    echo test5 round1 FAILED, diff between expected and actual output
    diff .travis/test5.answer "${TEMPDIR}/test5.output"
    exit 1
else
   echo test5 round1 passed
fi
printf "magic\r\n" | src/gophernicus -h test.invalid -nf -nu -nv -nx -nf -nd -nr -r "${TEMPDIR}" > "${TEMPDIR}"/test5.output
if ! cmp .travis/test5.answer "${TEMPDIR}/test5.output" ; then
    echo test5 round2 FAILED, diff between expected and actual output
    diff .travis/test5.answer "${TEMPDIR}/test5.output"
    exit 1
else
   echo test5 round2 passed
fi
printf "/magic\n" | src/gophernicus -h test.invalid -nf -nu -nv -nx -nf -nd -nr -r "${TEMPDIR}" > "${TEMPDIR}"/test5.output
if ! cmp .travis/test5.answer "${TEMPDIR}/test5.output" ; then
    echo test5 round3 FAILED, diff between expected and actual output
    diff .travis/test5.answer "${TEMPDIR}/test5.output"
    exit 1
else
   echo test5 round3 passed
fi
printf "/magic\r\n" | src/gophernicus -h test.invalid -nf -nu -nv -nx -nf -nd -nr -r "${TEMPDIR}" > "${TEMPDIR}"/test5.output
if ! cmp .travis/test5.answer "${TEMPDIR}/test5.output" ; then
    echo test5 round4 FAILED, diff between expected and actual output
    diff .travis/test5.answer "${TEMPDIR}/test5.output"
    exit 1
else
   echo test5 round4 passed
fi
printf "GET /magic\n" | src/gophernicus -h test.invalid -nf -nu -nv -nx -nf -nd -nr -r "${TEMPDIR}" > "${TEMPDIR}"/test5.output
if ! cmp .travis/test5.answer "${TEMPDIR}/test5.output" ; then
    echo test5 round5 FAILED, diff between expected and actual output
    diff .travis/test5.answer "${TEMPDIR}/test5.output"
    exit 1
else
   echo test5 round5 passed
fi
printf "GET /magic\r\n" | src/gophernicus -h test.invalid -nf -nu -nv -nx -nf -nd -nr -r "${TEMPDIR}" > "${TEMPDIR}"/test5.output
if ! cmp .travis/test5.answer "${TEMPDIR}/test5.output" ; then
    echo test5 round6 FAILED, diff between expected and actual output
    diff .travis/test5.answer "${TEMPDIR}/test5.output"
    exit 1
else
   echo test5 round6 passed
fi

#test 6, ensure gophericus dies quickly if run as root
if [ "$(id -u)" -ne 0 ]; then
  if [ -e "$(command -v sudo)" ]; then
    sudo -n printf "/\r\n" | src/gophernicus -h test.invalid -nf -nu -nv -nx -nf -nd -r "${TEMPDIR}" > "${TEMPDIR}"/test6.output
  elif [ -e "$(command -v doas)" ]; then
    doas -n printf "/\r\n" | src/gophernicus -h test.invalid -nf -nu -nv -nx -nf -nd -r "${TEMPDIR}" > "${TEMPDIR}"/test6.output
  else
    echo 'test6 skipped (Cannot obtain root)'
  fi
else
  printf "/\r\n" | src/gophernicus -h test.invalid -nf -nu -nv -nx -nf -nd -r "${TEMPDIR}" > "${TEMPDIR}"/test6.output
if ! cmp .travis/test6.answer "${TEMPDIR}/test6.output" ; then
    echo "test6 FAILED, diff between expected and actual output"
    echo "DANGER DANGER DANGER, this gophernicus is UNSAFE to use in production!"
    diff .travis/test6.answer "${TEMPDIR}/test6.output"
    exit 1
  else
    echo test6 passed
fi
fi

echo "All important tests passed, deleting the temporary directory at ${TEMPDIR}"
rm -rf "${TEMPDIR}"
if ! src/gophernicus -v | grep -q 'Gophernicus/3.1.1 "zcrayfish fork"' ; then
    echo 'Possible version mismatch (if no errors ABOVE, this is not fatal)'
    exit 1
fi