name: Dexoron Packages Index

on:
  workflow_dispatch:
  workflow_run:
    workflows: ["Release"]
    types:
      - completed

permissions:
  contents: read

jobs:
  update-packages-index:
    runs-on: ubuntu-latest
    if: ${{ github.event_name == 'workflow_dispatch' || github.event.workflow_run.conclusion == 'success' }}

    steps:
      - name: Checkout Central Packages Repo
        uses: actions/checkout@v4
        with:
          repository: 'dexoron/packages'
          token: ${{ secrets.PACKAGES_REPO_TOKEN }}
          path: 'central-packages'

      # --- СКАЧИВАНИЕ АРТЕФАКТОВ ИЗ РЕЛИЗА ---

      - name: Download Arch package artifact
        if: ${{ github.event_name == 'workflow_run' }}
        uses: actions/download-artifact@v4
        with:
          name: arch-package
          path: central-packages/archlinux/x86_64/
          github-token: ${{ secrets.PACKAGES_REPO_TOKEN }}
          run-id: ${{ github.event.workflow_run.id }}
        continue-on-error: true

      - name: Download Debian package artifact
        if: ${{ github.event_name == 'workflow_run' }}
        uses: actions/download-artifact@v4
        with:
          name: debian-package
          path: central-packages/debian/
          github-token: ${{ secrets.PACKAGES_REPO_TOKEN }}
          run-id: ${{ github.event.workflow_run.id }}
        continue-on-error: true

      - name: Download RPM package artifact
        if: ${{ github.event_name == 'workflow_run' }}
        uses: actions/download-artifact@v4
        with:
          name: rpm-package
          path: central-packages/rpm/x86_64/
          github-token: ${{ secrets.PACKAGES_REPO_TOKEN }}
          run-id: ${{ github.event.workflow_run.id }}
        continue-on-error: true

      # --- ИНДЕКСАЦИЯ REPO ---

      - name: Update Pacman Database (Inside Arch Container)
        run: |
          docker run --rm \
            -v ${{ github.workspace }}/central-packages:/packages \
            archlinux:latest \
            bash -c '
              cd /packages/archlinux/x86_64 && \
              rm -f dexoron.db dexoron.files && \
              shopt -s nullglob
              packages=(*.pkg.tar.zst)
              if [ ${#packages[@]} -gt 0 ]; then
                echo "Found ${#packages[@]} Arch packages. Updating database..."
                repo-add dexoron.db.tar.gz "${packages[@]}" && \
                ln -sf dexoron.db.tar.gz dexoron.db && \
                ln -sf dexoron.files.tar.gz dexoron.files
              else
                echo "No .pkg.tar.zst files found. Skipping."
              fi
            '

      - name: Update Debian APT Repository Index
        run: |
          sudo apt-get update && sudo apt-get install -y dpkg-dev
          cd central-packages/debian
          
          shopt -s nullglob
          deb_packages=(*.deb)
          
          if [ ${#deb_packages[@]} -gt 0 ]; then
            echo "Found ${#deb_packages[@]} Debian packages. Generating Packages.gz..."
            # Генерируем индекс для плоского (flat) репозитория
            dpkg-scanpackages . /dev/null | gzip -9c > Packages.gz
          else
            echo "No .deb files found. Skipping Debian index update."
          fi

      - name: Update Fedora DNF Repository Index
        run: |
          sudo apt-get update && sudo apt-get install -y createrepo-c
          cd central-packages/rpm/x86_64
          
          shopt -s nullglob
          rpm_packages=(*.rpm)
          
          if [ ${#rpm_packages[@]} -gt 0 ]; then
            echo "Found ${#rpm_packages[@]} RPM packages. Generating repodata..."
            # Пересоздаем метаданные для dnf
            createrepo_c .
          else
            echo "No .rpm files found. Skipping Fedora index update."
          fi

      # --- ПУШ ИЗМЕНЕНИЙ ---

      - name: Push to dexoron/packages
        run: |
          cd central-packages
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          
          # Проверяем изменения во всех трех целевых папках
          if [ -n "$(git status --porcelain)" ]; then
            git add archlinux/ debian/ rpm/
            git commit -m "chore: update repositories index (arch, debian, rpm)"
            git push
          else
            echo "No changes detected in repository databases."
          fi