#!/bin/bash
script_path=$(dirname "${0}")
. "${script_path}/lib/common"

arguments=(
  "h|help#This help text."
  "u:|user:#User ID to chown files to"
  "g:|group:#Group ID to chown files to"
)

declare -i parse_error=0
declare project=""
declare -i group=1000
declare -i user=1000

#
# Parse command line arguments
#
if ! parse_arguments "${@}"; then
  parse_error=1
fi

#
# Process command line options
#
eval set -- "${opts}"
remaining=$#
while (( $# > 0 )); do
  if [[ ${remaining} == 0 ]]; then
    fail "case statement is not shifting off values correctly."
  fi
  remaining=$((remaining-1))
  # Uncomment to help debug case statement:
  # echo "Processing: \$1='$1' \$2='$2'"
  case "${1}" in
  -h|--help) # Help / usage 
    usage_extra="[PROJECT]"
    default_usage
    exit 0
    ;;
  -u|--user)
    user=${1}
    shift
    ;;
  -g|--group)
    group=${1}
    shift
    ;;
  --)
    shift
    break
    ;;
  esac
  shift
done

if (( ${#} > 0 )); then
  project_type=$1
  shift
fi

if (( ${#} > 0 )); then
  project=$1
  shift
fi

if [[ "${project_type}" == "" ]]; then
  echo "PROJECT-TYPE must be supplied." >&2
  exit 1
fi

if [[ "${project}" == "" ]]; then
  echo "PROJECT must be supplied." >&2
  exit 1
fi

if (( parse_error )); then
  exit 1
fi

case "${project_type}" in
"expo")
  if [[ -e "${project}/package.json" ]]; then
    fail "${project} already exists."
  fi

  #
  # 'npx expo init' was replaced with 'npx create-expo-app'
  #
  echo "Seeding expo project ${project} in $(pwd)/${project}..."
  if ! npx create-expo-app "${project}"; then
    fail "npx create-expo-app ${project}"
  fi

  cd "${project}"

  if ! npx expo install react-native-web react-dom @expo/webpack-config; then
      fail "npx expo install react-native-web react-dom @expo/webpack-config"
  fi

  echo "Installing node packages..."
  if ! npm install; then
    fail "npm install"
  fi

  if ! chown -R ${user}:${group} .; then
      fail "chown -R ${user}:${group} ."
  fi

  echo "${project_type}" > project_type
  ;;
"flutter")
  ls -altr /usr/bin/flutter
  declare version="flutter_linux_3.22.2-stable.tar.xz"
  if [[ ! -e "/usr/bin/flutter/${version}" ]]; then
    if ! wget -O "/usr/bin/flutter/${version}" "https://storage.googleapis.com/flutter_infra_release/releases/stable/linux/${version}"; then
      fail "wget ${version}"
    fi
  fi
  if [[ ! -x "/usr/bin/flutter/flutter" ]]; then
    if ! tar -xf "/usr/bin/flutter/${version}" -C /usr/bin/; then
      fail "tar ${version}"
    fi
  fi
  git config --global --add safe.directory /usr/bin/flutter
  cd "${project}"
  if ! chown -R ${user}:${group} .; then
      fail "chown -R ${user}:${group} ."
  fi
  echo "${project_type}" > project_type
  ;;
esac