name: "Deploy to Homelab"

on:
  push:
    branches:
      - main
  workflow_dispatch:

jobs:
  deploy:
    runs-on: ubuntu-latest

    steps:
    - name: Check out repository
      uses: actions/checkout@v3

    - name: Set up SSH key
      run: |
        mkdir -p ~/.ssh
        echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/id_ed25519
        chmod 600 ~/.ssh/id_ed25519
        ssh-keyscan ${{ vars.HOST }} >> ~/.ssh/known_hosts

    - name: Remove directory from server
      run: |
        ssh -i ~/.ssh/id_ed25519 github@${{ vars.HOST }} << 'EOF'
          rm -rf ~/homelab-dsa-tutoring
        EOF

    # Avoid needing to set up SSH access to GitHub for this user
    - name: Transfer repository files to server
      run: |
        scp -i ~/.ssh/id_ed25519 -r ./* github@${{ vars.HOST }}:~/homelab-dsa-tutoring

    - name: Deploy on server with Docker
      run: |
        ssh -i ~/.ssh/id_ed25519 github@${{ vars.HOST }} << 'EOF'
          cd ~/homelab-dsa-tutoring
          export TS_AUTHKEY=${{ secrets.TS_CONTAINER_AUTHKEY }}
          docker compose -f docker-compose.yml down
          docker compose -f docker-compose.yml up -d --build
        EOF