#!/usr/bin/env sh
set -eu

branch="${1:-}"

if [ -z "$branch" ]; then
  echo "Missing branch name."
  exit 1
fi

case "$branch" in
  dev|staging|main)
    echo "Long-lived branch detected: $branch"
    exit 0
    ;;
esac

if printf "%s" "$branch" | grep -Eq '^(todo|refactor|code)\/[a-z0-9]+([._-][a-z0-9]+)*$'; then
  echo "Branch naming valid: $branch"
  exit 0
fi

echo "Invalid branch name: $branch"
echo "Expected: todo/<slug> | refactor/<slug> | code/<slug>"
exit 1