#!/bin/sh

cleanup () {
  [ -d "$tmp_dir" ] && rm -rf "$tmp_dir"
  [ -d "$NVM_DIR" ] && rm -rf "$NVM_DIR"
  unset -f die cleanup test_archi nvm_supports_xz
  unset NVM_DIR tmp_dir version archi
}

die () { echo "$@" ; cleanup ; exit 1; }

test_archi(){
  local os="$1"
  local version="$2"
  local archi="$os-$3"
  local node="$4"
  local ext="$5"
  local command="$6"
  local command_option="$7"
  local node_path="$tmp_dir/node-$version-$archi/$node"

  # Create tarball
  mkdir -p "$(dirname "$node_path")"
  echo "node $version" > "$node_path"
  (cd "$tmp_dir" && "$command" "$command_option" "$tmp_dir/node-$version-$archi.$ext" "node-$version-$archi" && rm -rf "$tmp_dir/node-$version-$archi")
  [ -f "$tmp_dir/node-$version-$archi.$ext" ] || die "Unable to create fake $ext file"

  # Extract it
  nvm_install_binary_extract "$os" "$version" "${version:1}" "$tmp_dir/node-$version-$archi.$ext" "$tmp_dir/files"
  [ "$(cat "$NVM_DIR/versions/node/$version/bin/node")" = "node $version" ] || die "Unable to extract $ext file"
}

\. ../../../nvm.sh

set -ex

# nvm_install_binary_extract is available
type nvm_install_binary_extract > /dev/null 2>&1 || die 'nvm_install_binary_extract is not available'

NVM_DIR=$(mktemp -d)
tmp_dir=$(mktemp -d)
if [ -z "$NVM_DIR" ] || [ -z "$tmp_dir" ]; then
  die 'Unable to create temporary folder'
fi

# Test linux tar.xz
test_archi 'linux' 'v14.15.4' 'x64' 'bin/node' 'tar.xz' 'tar' '-cJf'

nvm_supports_xz(){
  return 1
}

# Test linux tar.gz
test_archi 'linux' 'v12.9.0' 'x64' 'bin/node' 'tar.gz' 'tar' '-czf'

cleanup