name: Deploy ARM to OrangePi

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

jobs:
  deploy:
    runs-on: ubuntu-latest
    timeout-minutes: 15
    if: ${{ github.event.workflow_run.conclusion == 'success' }}
    steps:
      - name: Checkout Code
        uses: actions/checkout@v4

      - name: Install Ansible
        run: pip3 install --quiet --break-system-packages "ansible>=9,<11"

      - name: Setup SSH Agent
        run: |
          eval "$(ssh-agent -s)"
          printf '%s\n' "${{ secrets.ANSIBLE_SSH_KEY }}" | ssh-add -
          ssh-add -l
          echo "SSH_AUTH_SOCK=$SSH_AUTH_SOCK" >> "$GITHUB_ENV"
          echo "SSH_AGENT_PID=$SSH_AGENT_PID" >> "$GITHUB_ENV"

      - name: Write Inventory
        # StrictHostKeyChecking=no is intentional for a known home-network host.
        # To harden, add the host fingerprint as a secret and use a known_hosts file.
        run: |
          printf '[orangepi]\norangepi ansible_host=%s ansible_user=%s ansible_ssh_common_args="-o StrictHostKeyChecking=no -o ForwardAgent=yes"\n' \
            "${{ secrets.ANSIBLE_HOST }}" \
            "${{ secrets.ANSIBLE_USER }}" > /tmp/inventory.ini

      - name: Download ARM Release Artifacts
        env:
          GITEA_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          SERVER_URL: ${{ github.server_url }}
          REPOSITORY: ${{ github.repository }}
        run: |
          TAG=$(curl -sf \
            -H "Authorization: token ${GITEA_TOKEN}" \
            "${SERVER_URL}/api/v1/repos/${REPOSITORY}/releases?limit=1&page=1" \
            | python3 -c "import sys, json; print(json.load(sys.stdin)[0]['tag_name'])")
          echo "Deploying release tag: ${TAG}"
          BASE_URL="${SERVER_URL}/${REPOSITORY}/releases/download/${TAG}"
          curl -fLO "${BASE_URL}/brainwave-arm64.tar.gz" || { echo "Failed to download ARM tarball from ${BASE_URL}"; exit 1; }
          curl -fLO "${BASE_URL}/docker-compose.arm64.yml" || { echo "Failed to download docker-compose file from ${BASE_URL}"; exit 1; }

      - name: Deploy via Ansible
        env:
          WORKSPACE: ${{ github.workspace }}
        run: |
          ansible-playbook ansible/deploy.yml \
            -i /tmp/inventory.ini \
            -e "artifact_path=${WORKSPACE}"

      - name: Cleanup
        if: always()
        run: |
          ssh-agent -k || true
          rm -f /tmp/inventory.ini