name: Debian package build
on:
  pull_request:
  push:
    tags:
      - 'mr*'
  schedule:
    - cron: '0 8 * * *'
permissions:
  actions: read
  contents: read
  pull-requests: write
concurrency:
  group: "${{ github.ref }}"
  cancel-in-progress: true
jobs:
  build-debian:
    if: github.event_name != 'schedule' || github.repository == 'sipwise/rtpengine'
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        dist: [trixie, sid]
        os: [ubuntu-latest, ubuntu-24.04-arm]
    steps:
      - uses: actions/checkout@v6
      - name: Packaging backports
        run: |
          set -ex
          pushd pkg/deb
          ./generator.sh
          backports/${{ matrix.dist }}
          popd
          rm -rf debian
          mv pkg/deb/${{ matrix.dist }} debian
          rm -rf pkg/deb/debian
      - name: Update changelog
        run: |
          set -ex
          OLD_VERSION=$(dpkg-parsechangelog -SVersion)
          SOURCE=$(dpkg-parsechangelog -SSource)
          if [[ "${{ github.ref_type }}" == "tag" ]]; then
            VERSION_SUFFIX="+gh+${{ matrix.dist }}"
          else
            VERSION_SUFFIX="+autobuild${GITHUB_RUN_NUMBER}+${{ matrix.dist }}"
          fi
          cat > debian/changelog <<EOT
          ${SOURCE} (${OLD_VERSION}${VERSION_SUFFIX}) UNRELEASED; urgency=medium

            * Automated Build

           -- Automated Build <builder@localhost>  $(date -R)
          EOT
      - uses: jtdor/build-deb-action@v1
        with:
          docker-image: debian:${{ matrix.dist }}
      - name: Archive build result
        if: matrix.os != 'ubuntu-24.04-arm'
        uses: actions/upload-artifact@v6
        with:
          name: packages-${{ matrix.dist }}
          if-no-files-found: error
          retention-days: 14
          path: |
            debian/artifacts/*.deb
            debian/artifacts/*.tar.*
            debian/artifacts/*.changes
            debian/artifacts/*.buildinfo
      - name: Archive arm64 build result
        if: matrix.os == 'ubuntu-24.04-arm'
        uses: actions/upload-artifact@v6
        with:
          name: packages-${{ matrix.dist }}-arm64
          if-no-files-found: error
          retention-days: 14
          path: debian/artifacts/*_arm64.deb

  comment-pr:
    if: github.event_name == 'pull_request'
    needs: build-debian
    runs-on: ubuntu-latest
    steps:
      - name: Comment PR with artifact links
        continue-on-error: true
        uses: actions/github-script@v8
        with:
          script: |
            const runId = context.runId;
            const repoOwner = context.repo.owner;
            const repoName = context.repo.repo;

            const artifacts = await github.rest.actions.listWorkflowRunArtifacts({
              owner: repoOwner,
              repo: repoName,
              run_id: runId
            });

            const links = artifacts.data.artifacts
              .filter(a => a.name.startsWith('packages-'))
              .map(a => `- [${a.name}](https://github.com/${repoOwner}/${repoName}/actions/runs/${runId}/artifacts/${a.id})`)
              .join('\n');

            if (links) {
              github.rest.issues.createComment({
                issue_number: context.issue.number,
                owner: repoOwner,
                repo: repoName,
                body: `📦 Built Debian packages are ready!\n\n${links}`
              });
            }