name: Dynamic Build and Deploy Hardened Images

on:
  push:
    branches:
      - main
  schedule:
    - cron: '0 0 * * 5'
  workflow_dispatch:

jobs:
  build-and-push:
    strategy:
      matrix:
        runner: [linux-amd64, linux-arm64]
    runs-on: ${{ matrix.runner }}
    steps:
      - name: Install Node.js
        run: |
          if command -v apt-get &> /dev/null; then
            sudo apt-get update && sudo apt-get install -y nodejs
          elif command -v yum &> /dev/null; then
            sudo yum install -y nodejs
          elif command -v apk &> /dev/null; then
            apk add nodejs
          else
            echo "Package manager not found. Please pre-install Node.js on the runner host."
            exit 1
          fi
      
      - name: Prepare Git for SHA256 Repo
        run: git config --global init.defaultObjectFormat sha256

      - name: Checkout Code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Log in to DHI Registry
        uses: docker/login-action@v3
        with:
          registry: dhi.io
          username: ${{ secrets.DHI_USERNAME }}
          password: ${{ secrets.DHI_PASSWORD }}

      - name: Log in to Gitea Container Registry
        uses: docker/login-action@v3
        with:
          registry: git.chillcog.com
          username: ${{ git.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Detect and Build Images
        run: |
          FILES_TO_BUILD=""
          REGISTRY_HOST="git.chillcog.com" #
          OWNER_LOWER=$(echo "${{ git.repository_owner }}" | tr '[:upper:]' '[:lower:]')

          if [ "${{ github.event_name }}" = "schedule" ] || [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
            echo "Scheduled or manual run triggered. Processing all YAML files..."
            FILES_TO_BUILD=$(find . -maxdepth 1 -name "*.yml" -o -name "*.yaml")
          else
            echo "Push triggered. Detecting changed files..."
            FILES_TO_BUILD=$(git diff-tree --no-commit-id --name-only -r ${{ github.sha }} 2>/dev/null | grep -E '\.(yml|yaml)$' || true)
          fi
          
          for file in $FILES_TO_BUILD; do
            file=$(echo "$file" | sed 's|^\./||')
            if [ ! -f "$file" ]; then continue; fi
            if [[ "$file" == .gitea/* ]]; then continue; fi
            filename=$(basename -- "$file")
            image_name=$(echo "${filename%.*}" | tr '[:upper:]' '[:lower:]')
            
            echo "---------------------------------------------------"
            echo "Processing: $file -> Target: ${REGISTRY_HOST}/${OWNER_LOWER}/${image_name}:latest"
            echo "---------------------------------------------------"
            
            docker buildx build \
              --platform linux/amd64,linux/arm64 \
              --push \
              --no-cache \
              -f "$file" \
              -t "${REGISTRY_HOST}/${OWNER_LOWER}/${image_name}:latest" \
              .
          done