run

#!/usr/bin/env bash

ALL_ARG_COUNT="$#"
SCRIPT_PATH="$(dirname "$0")"
FILE_NAME="reactant-ui"
LIBRARY_NAME="ReactantUI"
FILE_PATH="$SCRIPT_PATH/$FILE_NAME"
GREP_OPTIONS=""

function perform_curl {
  curl -Lo ${FILE_NAME} `curl "$1" | grep -oe '"browser_download_url":\s*"[^" ]*"' | grep -oe 'http[^" ]*' | grep ${FILE_NAME} | head -1`
}

function download_binary {
  MATCH=$(echo "$1" | grep -e "\d\d*\.\d\d*\.\d\d*")
  if [[ ! -z "$MATCH" ]]; then
    VERSION="$MATCH"
    DOWNLOAD_SPECIFIC_VER=1
  fi
  if [[ -z "$VERSION" ]]; then
    echo "Downloading latest version..."
    perform_curl "https://api.github.com/repos/Brightify/$LIBRARY_NAME/releases/latest"
  else
    echo "Downloading version $VERSION..."
    perform_curl "https://api.github.com/repos/Brightify/$LIBRARY_NAME/releases/tags/$VERSION"
  fi
  chmod +x ${FILE_NAME}
}

if [[ ! -e "$FILE_PATH" ]]; then
  pushd "$SCRIPT_PATH"
  echo "No $FILE_NAME found."
  if [[ "$1" = "--download" ]]; then
    download_binary "$2"
  else
    echo "Building..."
    ./build_reactant-ui
    if [[ "$?" -ne 0 ]]; then
      echo "Build seems to have failed for some reason. Please file an issue on GitHub."
      exit 1
    fi
    mv "$SCRIPT_PATH/.build/release/$FILE_NAME" "$FILE_PATH"
  fi
  popd
fi

if [[ "$1" = "--download" ]]; then
  if [[ ! -z "$DOWNLOAD_SPECIFIC_VER" ]]; then
    shift
  fi
	shift
fi

# all parameters after this separator belong to the binary
if [[ "$1" = "--" ]]; then
  shift
elif [[ "$ALL_ARG_COUNT" -ne "$#" ]]; then
  echo "Error while parsing arguments. When using an argument that belongs to the \`run\` script,
you need to separate the arguments from the binary arguments using a \`--\`.
  Example: \"run --download 1.0.0 -- generate ...\""
  exit 1
fi

# calling the binary with the rest of the arguments
./"$FILE_NAME" "$@"