#!/usr/bin/env bash
# shellcheck shell=bash
set -euxo pipefail

# Get the latest released version
latest_tag="$(git tag --list | grep -E '^v[0-9]+\.[0-9]+\.[0-9]+(-rc\.[0-9]+)?$' | sort -V | tail -1)"

# Check if there are commits since the last release
if [ -n "$latest_tag" ]; then
  commits_since_release="$(git rev-list "$latest_tag"..HEAD --count)"
  if [ "$commits_since_release" -eq 0 ]; then
    echo "No commits since last release $latest_tag"
    exit 0
  fi
  echo "Found $commits_since_release commits since $latest_tag"
fi

# Get the next version and changelog from git-cliff
version="$(git cliff --bumped-version)"
changelog="$(git cliff --bump --unreleased | tail -n +2)"

if [ "${DRY_RUN:-1}" == 1 ]; then
  echo "version: $version"
  echo "changelog: $changelog"
  exit 0
fi

# Check if there are any unreleased changes
if [ -z "$changelog" ] || [ "$changelog" = "<!-- generated by git-cliff -->" ]; then
  echo "No unreleased changes found"
  exit 0
fi

# Configure git for automated commits
git config user.name mise-en-dev
git config user.email 123107610+mise-en-dev@users.noreply.github.com

# Update package.json version
cur_pkg_version="$(jq -r .version package.json)"
if [ "$cur_pkg_version" != "${version#v}" ]; then
  npm version "${version#v}" --no-git-tag-version
  
  git add package.json package-lock.json
  git status

  # Create release branch and commit
  git checkout -B release
  git commit -m "chore: release $version"

  # Push to release branch
  git push origin release --force

  # Create or update PR
  if gh pr create --title "chore: release $version" --body "$changelog" --label "release"; then
    echo "Created new release PR"
  else
    gh pr edit --title "chore: release $version" --body "$changelog"
    echo "Updated existing release PR"
  fi
else
  echo "Package.json already at version ${version#v}, running postversion"
  ./scripts/postversion.sh
fi