#!/usr/bin/env bash


echo;
my_args=( "$@" );
first_arg="$1";
shift 1;

export nlu_name="[nlu/npm-link-up]"

nlu_match_arg(){
    # checks to see if the first arg, is among the remaining args
    # for example  ql_match_arg --json --json # yes
    first_item="$1"; shift;
    for var in "$@"; do
        if [[ "$var" == "$first_item" ]]; then
          return 0;
        fi
    done
    return 1;
}

use_local="yes";

if nlu_match_arg "--no-use-local" "${my_args[@]}"; then
  use_local="nope"
fi

if nlu_match_arg "--no-local" "${my_args[@]}"; then
  use_local="nope"
fi

if ! type -f ores_get_project_root &> /dev/null; then
   npm i -s -g '@oresoftware/ores' || {
      echo "Could not install '@oresoftware/ores', please check your permissions to install global npm packages.";
      exit 1;
   }
fi

project_root="$(ores_get_project_root "$0")";
npm_local_bin="${project_root}/node_modules/.bin";
commands="${project_root}/dist/commands"

if [[ "$use_local" == "yes" ]]; then
   if false; then
        echo "$nlu_name NLU is addding local 'node_modules/.bin' executables to the PATH.";
        echo "To not add local command line tools to the PATH, use the --no-local option.";
    fi
    export PATH="${npm_local_bin}:${PATH}";
fi

if false; then
    echo "$nlu_name NLU is using NPM version => $(npm --version)";
fi

if [[ "$first_arg" == "init" ]]; then

    node "$commands/init" "$@";

elif [[ "$first_arg" == "ls" ]]; then

    node "$commands/ls" "$@";

elif [[ "$first_arg" == "install" ]] || [[ "$first_arg" == "i" ]] ; then

  npm i -s || {
    echo "npm install command failed.";
    exit 1;
  }

  nlu run --install-main "$@"

elif [[ "$first_arg" == "config" ]]; then

    mkdir -p "$HOME/.nlu/global"
    node "$commands/config" "$@";

elif [[ "$first_arg" == "add" ]]; then

    node "$commands/add" "$@";

elif [[ "$first_arg" == "run" ]]; then

    node "$commands/run" "$@";

elif [[ "$first_arg" == "update" ]]; then

    echo "$nlu_name 'nlu update' is not implemented.";
    echo "$nlu_name You should manually update your .nlu.json files.";
    exit 1;

else

    node "$commands/basic" "${my_args[@]}";

fi