ci-cd.yaml

name: CI CD - Whim

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]
    types: [opened, synchronize, reopened, closed]

permissions:
  contents: read
  pull-requests: write
  issues: write

jobs:
  build:
    name: CI - Whim Lint & Build
    runs-on: ubuntu-22.04

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

      - name: Install Bun
        uses: oven-sh/setup-bun@v2

      - name: Install dependencies
        run: bun install --frozen-lockfile

      - name: Build
        run: bun run build

  cleanup-preview:
    name: Cleanup Preview
    runs-on: ubuntu-22.04
    if: github.event_name == 'pull_request' && github.event.action == 'closed'

    steps:
      - name: Setup SSH key
        uses: webfactory/ssh-agent@v0.9.1
        with:
          ssh-private-key: ${{ secrets.VPS_KEY }}

      - name: Remove Preview Deployment
        run: |
          PR_NUMBER=${{ github.event.number }}

          ssh -o StrictHostKeyChecking=no ${{ secrets.VPS_USER }}@${{ secrets.VPS_HOST }} << EOF
            # Stop and remove the preview container
            docker stop whim-app-pr-${PR_NUMBER} 2>/dev/null || true
            docker rm whim-app-pr-${PR_NUMBER} 2>/dev/null || true
            
            # Remove the preview directory
            rm -rf ~/whim-previews/pr-${PR_NUMBER}
            
            # Remove Caddy config
            rm -f ~/caddy-configs/pr-${PR_NUMBER}.conf
            
            # Reload Caddy to remove the subdomain
            cd ~/whim
            docker compose restart caddy
          EOF

      - name: Comment Cleanup
        uses: actions/github-script@v7
        with:
          script: |
            const prNumber = context.issue.number;

            github.rest.issues.createComment({
              issue_number: prNumber,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: `🧹 **Preview deployment cleaned up!**\n\n_The preview environment for this PR has been removed._`
            });

  preview:
    name: Deploy Preview
    runs-on: ubuntu-22.04
    needs: build
    if: github.event_name == 'pull_request' && github.event.action != 'closed'

    steps:
      - name: Setup SSH key
        uses: webfactory/ssh-agent@v0.9.1
        with:
          ssh-private-key: ${{ secrets.VPS_KEY }}

      - name: Deploy Preview
        run: |
          PR_NUMBER=${{ github.event.number }}
          BRANCH_NAME="${{ github.head_ref }}"

          ssh -o StrictHostKeyChecking=no ${{ secrets.VPS_USER }}@${{ secrets.VPS_HOST }} << EOF
            # Create preview directory
            mkdir -p ~/whim-previews/pr-${PR_NUMBER}
            cd ~/whim-previews/pr-${PR_NUMBER}
            
            # Clone or update the repository
            if [ ! -d ".git" ]; then
              git clone https://github.com/${{ github.repository }}.git .
            fi
            
            # Checkout the PR branch
            git fetch origin
            git checkout ${BRANCH_NAME}
            git pull origin ${BRANCH_NAME}
            
            # Copy environment file from main app
            cp ~/whim/.env .env
            
            # Build and start the preview with custom port
            PREVIEW_PORT=\$((3000 + ${PR_NUMBER}))
            
            # Update docker-compose for preview
            cat > docker-compose.preview.yml << 'COMPOSE_EOF'
          services:
            app:
              build: .
              container_name: whim-app-pr-${PR_NUMBER}
              restart: unless-stopped
              volumes:
                - ./db:/app/db
              env_file:
                - .env
              ports:
                - \${PREVIEW_PORT}:3000
              networks:
                - whimnet-pr-${PR_NUMBER}

          networks:
            whimnet-pr-${PR_NUMBER}:
              driver: bridge
          COMPOSE_EOF
            
            # Deploy the preview
            PREVIEW_PORT=\${PREVIEW_PORT} docker compose -f docker-compose.preview.yml up --build -d
            
            # Update Caddy configuration for the new subdomain
            echo "pr-${PR_NUMBER}.whim.day {
              reverse_proxy localhost:\${PREVIEW_PORT}
            }" > ~/caddy-configs/pr-${PR_NUMBER}.conf
            
            # Reload Caddy to pick up new config
            cd ~/whim
            docker compose restart caddy
          EOF

      - name: Comment Preview URL
        uses: actions/github-script@v7
        with:
          script: |
            const prNumber = context.issue.number;
            const previewUrl = `https://pr-${prNumber}.whim.day`;

            github.rest.issues.createComment({
              issue_number: prNumber,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: `🚀 **Preview deployed!**\n\n📱 Preview URL: ${previewUrl}\n\n_This preview will be automatically updated on new commits to this PR._`
            });

  deploy:
    name: CD - Whim Deploy
    runs-on: ubuntu-22.04
    needs: build
    if: github.event_name == 'push' && github.ref == 'refs/heads/main'

    steps:
      - name: Setup SSH key
        uses: webfactory/ssh-agent@v0.9.1
        with:
          ssh-private-key: ${{ secrets.VPS_KEY }}

      - name: SSH and Deploy
        run: |
          ssh -o StrictHostKeyChecking=no ${{ secrets.VPS_USER }}@${{ secrets.VPS_HOST }} << 'EOF'
            cd whim
            git pull origin main
            docker compose up --build -d
            docker compose restart caddy
          EOF