#!/usr/bin/env bash
set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
# shellcheck source=common.sh
source "${SCRIPT_DIR}/common.sh"

COMMIT_MSG="${1:-${COMMIT_MSG:-}}"

if [[ -z "$COMMIT_MSG" ]]; then
  echo "Usage: parse-merge-commit.sh <commit-message>" >&2
  exit 1
fi

PR_TITLE=$(extract_pr_title_from_merge_commit "$COMMIT_MSG")

if [[ -z "$PR_TITLE" ]]; then
  bump="skip"
else
  bump_type=$(bump_type_from_title "$PR_TITLE")
  if [[ -n "$bump_type" ]]; then
    bump="$bump_type"
  else
    bump="skip"
  fi
fi

if [[ -n "${GITHUB_OUTPUT:-}" ]]; then
  {
    echo "pr_title=${PR_TITLE}"
    echo "bump=${bump}"
  } >> "$GITHUB_OUTPUT"
else
  echo "pr_title=${PR_TITLE}"
  echo "bump=${bump}"
fi