name: CD – staged deploy

on:
  push:
    branches: [main]

jobs:
  detect-changes:
    runs-on: deploy
    outputs:
      services: ${{ steps.set-matrix.outputs.services }}
    steps:
      - name: Fix git ownership and Fetch
        run: |
          git config --global --add safe.directory /srv/homelab
          cd /srv/homelab
          git fetch origin main
          git reset --hard origin/main

      - id: set-matrix
        name: Generate service list
        run: |
          cd /srv/homelab
          # Собираем список папок в JSON-массив для матрицы
          DIRS=$(git diff --name-only HEAD~1 HEAD | cut -d/ -f1 | sort -u | xargs -I{} sh -c 'if [ -f {}/compose.yaml ] || [ -f {}/docker-compose.yaml ]; then echo \"{}\"; fi' | paste -sd,)
          echo "services=[$DIRS]" >> $GITEA_OUTPUT

  apply-deploy:
    needs: detect-changes
    if: needs.detect-changes.outputs.services != '[]'
    runs-on: deploy
    strategy:
      matrix:
        service: ${{ fromJson(needs.detect-changes.outputs.services) }}
      fail-fast: false

    name: Deploy ${{ matrix.service }}
    steps:
      - name: Deploy Service
        run: |
          cd /srv/homelab/${{ matrix.service }}
          echo "Syncing and starting ${{ matrix.service }}..."
          docker compose pull
          docker compose up -d --remove-orphans