name: Deploy ttl.sh

on:
  push:
    branches:
      - prerelease  # Temporary: deploy on prerelease for testing
      # - main      # TODO: Switch back to main after testing
  workflow_dispatch:  # Manual trigger for emergencies

concurrency:
  group: deploy-production
  cancel-in-progress: false  # Don't cancel in-progress deploys

env:
  REGISTRY: ghcr.io
  IMAGE_PREFIX: ghcr.io/${{ github.repository_owner }}/ttlsh

jobs:
  build-and-push:
    name: Build & Push Images
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

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

      - name: Build and push images
        run: |
          # Create empty .env file (docker-compose references it, but it's only needed at runtime)
          touch .env
          docker compose build
          docker compose push

  deploy:
    name: Deploy to Production
    runs-on: ubuntu-latest
    needs: build-and-push
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install Doppler CLI
        uses: dopplerhq/cli-action@v3

      - name: Install Ansible
        run: |
          sudo apt-get update
          sudo apt-get install -y ansible
          ansible-galaxy collection install community.general community.docker

      - name: Setup SSH key
        run: |
          mkdir -p ~/.ssh
          echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/id_rsa
          chmod 600 ~/.ssh/id_rsa
          ssh-keyscan -H 178.156.198.215 >> ~/.ssh/known_hosts

      - name: Run Ansible deployment
        working-directory: ./ansible
        env:
          DOPPLER_TOKEN: ${{ secrets.DOPPLER_TOKEN }}
        run: |
          ansible-playbook \
            -e "cloudflare_api_token=$(doppler secrets get CF_API_TOKEN --plain)" \
            -e "cloudflare_zone_id=$(doppler secrets get CF_ZONE_ID --plain)" \
            -e "cloudflare_email=$(doppler secrets get LE_EMAIL --plain)" \
            -e "le_email=$(doppler secrets get LE_EMAIL --plain)" \
            -e "gcloud_sa_email=$(doppler secrets get GOOGLE_APPLICATION_CREDENTIALS_EMAIL --plain)" \
            -e "gcloud_sa_key_json=$(doppler secrets get GCS_KEY_ENCODED --plain)" \
            -e "gcs_key_encoded=$(doppler secrets get GCS_KEY_ENCODED --plain)" \
            -e "hook_token=$(doppler secrets get HOOK_TOKEN --plain)" \
            -e "hook_uri=$(doppler secrets get HOOK_URI --plain)" \
            -e "redis_password=$(doppler secrets get REDIS_PASSWORD --plain)" \
            -e "rediscloud_url=$(doppler secrets get REDISCLOUD_URL --plain)" \
            -e "replreg_host=$(doppler secrets get REPLREG_HOST --plain)" \
            -e "replreg_secret=$(doppler secrets get REPLREG_SECRET --plain)" \
            -e "registry_url=$(doppler secrets get REGISTRY_URL --plain)" \
            playbooks/site.yml

  smoke-test:
    name: Smoke Test (Push/Pull/TTL)
    runs-on: ubuntu-latest
    needs: deploy
    steps:
      - name: Test push and pull
        run: |
          IMAGE="ttl.sh/smoke-${{ github.sha }}:5m"
          echo "🧪 Testing with image: $IMAGE"
          
          # Use busybox - tiny image (~1MB)
          docker pull busybox:latest
          docker tag busybox:latest "$IMAGE"
          
          echo "📤 Pushing image..."
          docker push "$IMAGE"
          
          # Remove local copy to force pull from registry
          docker rmi "$IMAGE"
          
          echo "📥 Pulling image back..."
          docker pull "$IMAGE"
          
          echo "✅ Push/pull test passed!"

      - name: Wait for TTL expiry
        run: |
          echo "⏳ Waiting 7 minutes for 5m TTL to expire..."
          sleep 420

      - name: Verify image expired
        run: |
          IMAGE="ttl.sh/smoke-${{ github.sha }}:5m"
          echo "🔍 Verifying image has expired..."
          
          # Remove local copy if cached
          docker rmi "$IMAGE" 2>/dev/null || true
          
          # Try to pull - should fail
          if docker pull "$IMAGE" 2>&1; then
            echo "❌ ERROR: Image still exists after TTL expiry!"
            exit 1
          else
            echo "✅ Image correctly expired and unavailable!"
          fi