#!/bin/bash

# Exit the script as soon as an error occurs.
set -e

# On MacOS, ensure that GNU sed is installed and available as `gsed`.
SED_COMMAND=sed
if [[ "${OSTYPE}" == 'darwin'* ]]; then
  if ! command -v gsed &> /dev/null; then
      echo "Error: gsed is not installed. Please install it using 'brew install gnu-sed'."
      exit 1
  fi
  SED_COMMAND=gsed
fi

# This script renames definitions, such as include guards, in this project.
# Specifically, it renames "RIPPLED_XXX" and "RIPPLE_XXX" to "XRPL_XXX" by
# scanning all cmake, header, and source files in the specified directory and
# its subdirectories.
# Usage: .github/scripts/rename/definitions.sh <repository directory>

if [ "$#" -ne 1 ]; then
    echo "Usage: $0 <repository directory>"
    exit 1
fi

DIRECTORY=$1
echo "Processing directory: ${DIRECTORY}"
if [ ! -d "${DIRECTORY}" ]; then
    echo "Error: Directory '${DIRECTORY}' does not exist."
    exit 1
fi

find "${DIRECTORY}" -type f \( -name "*.h" -o -name "*.hpp" -o -name "*.ipp" -o -name "*.cpp" \) | while read -r FILE; do
    echo "Processing file: ${FILE}"
    ${SED_COMMAND} -i -E 's@#(define|endif|if|ifdef|ifndef)(.*)(RIPPLED_|RIPPLE_)([A-Z0-9_]+)@#\1\2XRPL_\4@g' "${FILE}"
done
find "${DIRECTORY}" -type f \( -name "*.cmake" -o -name "*.txt" \) | while read -r FILE; do
    echo "Processing file: ${FILE}"
    ${SED_COMMAND} -i -E 's@(RIPPLED_|RIPPLE_)([A-Z0-9_]+)@XRPL_\2@g' "${FILE}"
done
echo "Renaming complete."