#!/bin/bash
# This script uses rclone to copy new and updated files from the mounted folder to Google Drive,
# preserving the directory structure, and then deletes local files that are over 3 days old.

# Check that DRIVE_FOLDER_ID environment variable is set.
if [ -z "$DRIVE_FOLDER_ID" ]; then
  echo "DRIVE_FOLDER_ID environment variable is not set. Exiting."
  exit 1
fi

# The local folder to be synced (mapped from the host)
LOCAL_DIR="/shared/transcriptor/clips"

# The remote name must match the one defined in your rclone config (e.g., "gdrive")
REMOTE_NAME="gdrive"

# Continuous loop to perform the sync every 60 seconds.
while true; do
  echo "Starting sync: $(date)"
  # The rclone copy command will:
  # - Copy new or updated files (with --update, only files with newer timestamps are overwritten)
  # - Preserve the folder structure by default
  # - Use the provided Google Drive folder ID via --drive-root-folder-id
  rclone copy "$LOCAL_DIR" "${REMOTE_NAME}:" \
      --drive-root-folder-id="${DRIVE_FOLDER_ID}" \
      --update \
      --verbose
  echo "Sync complete: $(date)"

  echo "Deleting local files older than 3 days: $(date)"
  # Delete files in LOCAL_DIR (and its subdirectories) that are over 3 days old
  find "$LOCAL_DIR" -type f -mtime +3 -delete

  sleep 600
done