#! /bin/bash
set -e

ARGS=()

# Use WEBDAV_USERNAME as default, if provided.
if [ -z "$PLUGIN_USERNAME" ] && [ -n "$WEBDAV_USERNAME" ]; then
  PLUGIN_USERNAME="$WEBDAV_USERNAME"
fi

# Use WEBDAV_PASSWORD as default, if provided.
if [ -z "$PLUGIN_PASSWORD" ] && [ -n "$WEBDAV_PASSWORD" ]; then
  PLUGIN_PASSWORD="$WEBDAV_PASSWORD"
fi

# If username and password are provided, add auth
if [ -n "$PLUGIN_USERNAME" ] && [ -n "$PLUGIN_PASSWORD" ]; then
  ARGS+=(--user "${PLUGIN_USERNAME}:${PLUGIN_PASSWORD}")
fi

# Use a proxy, if one is specified
if [ -n "$PLUGIN_PROXY_URL" ]; then
  ARGS+=(--proxy "${PLUGIN_PROXY_URL}")
fi

# If a timeout is specified, make use of it.
if [ -n "$PLUGIN_TIMEOUT" ]; then
  ARGS+=(--max-time "${PLUGIN_TIMEOUT}")
fi

# Set PLUGIN_ATTEMPTS to one if nothing else is specified
if [ -z "$PLUGIN_ATTEMPTS" ]; then
  PLUGIN_ATTEMPTS=1
fi

# Repeat the upload as long as specified.
while [ "${PLUGIN_ATTEMPTS}" -gt 0 ]; do

    # Uploading the file 
    # shellcheck disable=SC2086
    curl \
      $PLUGIN_CUSTOM_ARGUMENTS \
      --fail-with-body \
      --show-error \
      --silent \
      "${ARGS[@]}" \
      --upload-file "$PLUGIN_FILE" \
      "$PLUGIN_DESTINATION" && {
        # Terminate the script as soon as the upload is successful
    echo "[INFO] Upload was successful."
    exit 0

  }

    # Show messages in case uploads have failed
    [ "$PLUGIN_ATTEMPTS" -gt 1 ] && {
      echo "[INFO] Upload failed. Attempting a new upload, if possible."
    }

  sleep 5
  PLUGIN_ATTEMPTS=$((PLUGIN_ATTEMPTS-1))

done

# Returns an error because the upload was not successful
echo "[ERROR] All upload attempts have failed."
exit 1