#!/bin/bash

set -eo pipefail

if [ $# -eq 0 ]; then
  echo "Usage: $0 <mount-path>"
  exit 1
fi

# Make sure rclone is installed
if ! command -v rclone &> /dev/null; then
  # Rclone is not installed, ask if we should install it
  read -p "rclone not installed. Do you want to install it? [y/N] " -n 1 -r
  echo
  if [[ ! $REPLY =~ ^[Yy]$ ]]
  then
    echo "Not installing rclone, exiting."
    exit 1
  fi

  # Install rclone
  curl https://rclone.org/install.sh | sudo bash
fi

if [[ -z "${RCLONE_DROPBOX_CLIENT_ID}" ]]; then
  read -p "Please enter client_id: " RCLONE_DROPBOX_CLIENT_ID
  export RCLONE_DROPBOX_CLIENT_ID
fi

if [[ -z "${RCLONE_DROPBOX_CLIENT_SECRET}" ]]; then
  read -p "Please enter client_secret: " RCLONE_DROPBOX_CLIENT_SECRET
  export RCLONE_DROPBOX_CLIENT_SECRET
fi

if [[ -z "${RCLONE_DROPBOX_TOKEN}" ]]; then
  read -p "Please enter access_token: " DROPBOX_ACCESS_TOKEN
  RCLONE_DROPBOX_TOKEN="{\"access_token\":\"$DROPBOX_ACCESS_TOKEN\",\"token_type\":\"bearer\",\"expiry\":\"0001-01-01T00:00:00Z\"}"
  export RCLONE_DROPBOX_TOKEN
fi

nohup rclone mount :dropbox: $1 > /tmp/rclone.log 2>&1 &

sleep 1
cat /tmp/rclone.log | grep -v 'NOTICE: Config file' # default notice because we don't use a config file for security reasons

exit 0