#!/bin/sh
# Pre-commit hook for ULFlow Golang Starter Kit
# This hook runs linters and checks before allowing a commit

echo "Running pre-commit checks..."
echo "Current working directory: $(pwd)"
echo "Which golangci-lint: $(which golangci-lint)"
echo "golangci-lint version: $(golangci-lint version)"
cd "$PROJECT_ROOT" || exit 1 # Exit if cd fails
# Check for staged Go files
STAGED_GO_FILES=$(git diff --cached --name-only --diff-filter=ACM | grep "\.go$")

if [[ "$STAGED_GO_FILES" = "" ]]; then
  echo "No Go files staged for commit. Skipping Go-specific checks."
else
  # Run golangci-lint on staged files
  echo "Running golangci-lint..."
  golangci-lint run ./...
  if [ $? -ne 0 ]; then
    echo "golangci-lint failed. Please fix the issues before committing."
    exit 1
  fi

  # Check for formatting issues
  echo "Checking Go formatting..."
  gofmt -l $STAGED_GO_FILES
  if [ $? -ne 0 ]; then
    echo "gofmt failed. Please run 'gofmt -w' on your files before committing."
    exit 1
  fi

  # Run tests related to staged files
  echo "Running relevant tests..."
  go test $(go list ./... | grep -v vendor) -short
  if [ $? -ne 0 ]; then
    echo "Tests failed. Please fix the tests before committing."
    exit 1
  fi
fi

# Check for sensitive information in staged files
echo "Checking for sensitive information..."
if git diff --cached | grep -E "(API_KEY|SECRET|PASSWORD|TOKEN).*[A-Za-z0-9_/-]{8,}" > /dev/null; then
  echo "WARNING: Possible sensitive information detected in commit."
  echo "Please verify you're not committing secrets, credentials or personal data."
  echo "Press Enter to continue or Ctrl+C to abort the commit."
  read
fi

echo "Pre-commit checks passed!"
exit 0