name: Deploy

on:
  workflow_run:
    workflows: ["E2E Tests"]
    types: [completed]
    branches: [main]

jobs:
  deploy:
    runs-on: ubuntu-latest
    # Only deploy when E2E tests passed
    if: ${{ github.event.workflow_run.conclusion == 'success' }}

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      # ── SSH setup ─────────────────────────────────────────────────────────
      - name: Configure SSH
        run: |
          mkdir -p ~/.ssh
          echo "${{ secrets.DEPLOY_SSH_KEY }}" > ~/.ssh/deploy_key
          chmod 600 ~/.ssh/deploy_key
          ssh-keyscan -H "${{ secrets.DEPLOY_HOST }}" >> ~/.ssh/known_hosts

      # ── File sync ─────────────────────────────────────────────────────────
      # rsync over SSH — equivalent to SFTP but handles deletions and only
      # transfers changed files, making re-deploys fast.
      - name: Sync source to VM
        run: |
          rsync -az --delete \
            -e "ssh -i ~/.ssh/deploy_key" \
            --exclude='.git/' \
            --exclude='.github/' \
            --exclude='tests/' \
            --exclude='src/frontend/node_modules/' \
            --exclude='src/frontend/dist/' \
            --exclude='src/backend/**/bin/' \
            --exclude='src/backend/**/obj/' \
            --exclude='src/backend/**/*.db' \
            --exclude='src/backend/**/*.db-shm' \
            --exclude='src/backend/**/*.db-wal' \
            ./ ${{ secrets.DEPLOY_USER }}@${{ secrets.DEPLOY_HOST }}:${{ secrets.DEPLOY_PATH }}/

      # ── Docker Compose ────────────────────────────────────────────────────
      - name: Deploy with Docker Compose
        uses: appleboy/ssh-action@v1.0.3
        env:
          JWT_KEY: ${{ secrets.JWT_KEY }}
          PORT: ${{ secrets.DEPLOY_PORT || '80' }}
        with:
          host: ${{ secrets.DEPLOY_HOST }}
          username: ${{ secrets.DEPLOY_USER }}
          key: ${{ secrets.DEPLOY_SSH_KEY }}
          envs: JWT_KEY,PORT
          script: |
            set -e
            cd "${{ secrets.DEPLOY_PATH }}"

            echo "Building and starting services..."
            docker compose -f cicd/docker/docker-compose.yml up --build -d

            echo "Removing unused images..."
            docker image prune -f

            echo "Running containers:"
            docker compose -f cicd/docker/docker-compose.yml ps