name: Bump Version
run-name: ${{ gitea.actor }} runs patch update

on:
  workflow_call:
    inputs:
      node_version:
        description: Node.js version to use
        type: string
        default: "24"
    secrets:
      GITEA_TOKEN:
        description: Token for checkout/push (optional)
        required: false

jobs:
  bump-version:
    runs-on: ubuntu-latest
    outputs:
      tag: ${{ steps.bump.outputs.tag }}

    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
          fetch-tags: true
          token: ${{ secrets.GITEA_TOKEN }}

      - name: Setup Git
        run: |
          git config user.name "CI Bot"
          git config user.email "ci@git.uesome.de"

      - name: Setup Node
        uses: actions/setup-node@v3
        with:
          node-version: ${{ inputs.node_version }}

      - name: Bump patch version and tag
        id: bump
        run: |
          REF="${GITHUB_REF:-${GITEA_REF}}"
          BRANCH="${REF#refs/heads/}"
          git fetch origin "${BRANCH}" --tags
          git checkout "${BRANCH}"
          git pull --ff-only origin "${BRANCH}"
          BRANCH_SAFE="$(echo "${BRANCH}" | tr '/[:space:].' '-' | tr -cd '[:alnum:]_-')"
          BRANCH_SAFE="$(echo "${BRANCH_SAFE}" | sed 's/^-*//;s/-*$//')"
          BRANCH_SAFE="${BRANCH_SAFE:-unknown}"
          case "${BRANCH}" in
            main)
              COMMIT_MSG="$(git log -1 --pretty=%B)"
              TARGET_VERSION=""
              if [[ "${COMMIT_MSG}" =~ release/([0-9]+)\.([0-9]+) ]]; then
                TARGET_VERSION="${BASH_REMATCH[1]}.${BASH_REMATCH[2]}.0"
              elif [[ "${COMMIT_MSG}" =~ hotfix/([0-9]+\.[0-9]+\.[0-9]+) ]]; then
                TARGET_VERSION="${BASH_REMATCH[1]}"
              fi

              if [[ -n "${TARGET_VERSION}" ]]; then
                npm version "${TARGET_VERSION}" --no-git-tag-version --allow-same-version
                BUMP_CMD="npm version patch --no-git-tag-version"
              else
                npm version patch --no-git-tag-version
                BUMP_CMD="npm version patch --no-git-tag-version"
              fi
              ;;
            develop)
              npm version prerelease --preid=dev --no-git-tag-version
              BUMP_CMD="npm version prerelease --preid=dev --no-git-tag-version"
              ;;
            release*)
              npm version prerelease --preid=rc-${BRANCH_SAFE} --no-git-tag-version
              BUMP_CMD="npm version prerelease --preid=rc-${BRANCH_SAFE} --no-git-tag-version"
              ;;
            *)
              npm version prerelease --preid=nightly-${BRANCH_SAFE} --no-git-tag-version
              BUMP_CMD="npm version prerelease --preid=nightly-${BRANCH_SAFE} --no-git-tag-version"
              ;;
          esac

          VERSION="$(node -p "require('./package.json').version")"
          while git rev-parse -q --verify "refs/tags/v${VERSION}" >/dev/null; do
            echo "Tag v${VERSION} already exists; trying next version."
            ${BUMP_CMD}
            VERSION="$(node -p "require('./package.json').version")"
          done

          if git diff --quiet; then
            echo "No version file changes; tagging current commit."
          else
            git add package.json package-lock.json 2>/dev/null || true
            git commit -m "update version: v${VERSION}"
          fi
          TAG="v${VERSION}"
          git tag "${TAG}"

          git push origin HEAD
          git push origin "${TAG}"

          echo "tag=${TAG}" >> "${GITHUB_OUTPUT}"