name: Build and Upload Multiple Debian RootFS Versions

on:
  push:
    branches:
      - master

jobs:
  build-debian-variants:
    runs-on: docker-build

    strategy:
      matrix:
        version: [buster, bullseye, bookworm, docker-build]

    steps:
      - name: Checkout source
        uses: actions/checkout@v3

      - name: Build Docker image for ${{ matrix.version }}
        run: |
          docker build \
            --build-arg VERSION=${{ matrix.version }} \
            -t fithwum/debian-${{ matrix.version }}-base .

      - name: Run rootfs builder (pt1 script)
        run: |
          docker run --rm --privileged \
            -v "$(pwd)":/output \
            fithwum/debian-${{ matrix.version }}-base \
            bash base-image-script/debian-${{ matrix.version }}_pt1.sh

      - name: List output archive
        run: |
          echo "[INFO] Looking for tarballs in workspace..."
          find . -name '*.tar.bz2' -ls

      - name: Clone and push to Gitea repo
        run: |
          git config --global user.name "${{ secrets.GIT_USERNAME }}"
          git config --global user.email "${{ secrets.GIT_EMAIL }}"

          git clone "${{ secrets.GITEA_REPO_URL }}" upload-repo

          # Ensure target folder exists and clean old tarballs
          mkdir -p upload-repo/${{ matrix.version }}
          find upload-repo/${{ matrix.version }} -name '*.tar.bz2' -type f -delete

          # Copy new tarball to version folder
          cp *.tar.bz2 upload-repo/${{ matrix.version }}/

          cd upload-repo
          git add ${{ matrix.version }}/*.tar.bz2
          git commit -m "Update ${{ matrix.version }} base image on $(date -u +'%Y-%m-%dT%H:%M:%SZ')"
          git push