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 "ansible>=9,<11"

      - name: Write SSH Key
        run: |
          printf '%s\n' "${{ secrets.ANSIBLE_SSH_KEY }}" > /tmp/ansible_key
          chmod 600 /tmp/ansible_key

      - 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_private_key_file=/tmp/ansible_key ansible_ssh_common_args="-o StrictHostKeyChecking=no"\n' \
            "${{ secrets.ANSIBLE_HOST }}" \
            "${{ secrets.ANSIBLE_USER }}" > /tmp/inventory.ini

      - name: Download ARM Release Artifacts
        run: |
          TAG="${{ github.event.workflow_run.head_branch }}"
          BASE_URL="${{ github.server_url }}/${{ github.repository }}/releases/download/${TAG}"
          wget --fail -q "${BASE_URL}/brainwave-arm64.tar.gz" || { echo "Failed to download ARM tarball from ${BASE_URL}"; exit 1; }
          wget --fail -q "${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 Secrets
        if: always()
        run: |
          rm -f /tmp/ansible_key
          rm -f /tmp/inventory.ini