deploy-backend.yml

name: Deploy Backend to EC2

on:
  push:
    branches:
      - main
    paths:
      - 'backend/**'
  workflow_dispatch:  # Permite ejecutar manualmente

env:
  AWS_REGION: us-east-1  # Cambia a tu región

jobs:
  test:
    runs-on: ubuntu-latest
    
    services:
      postgres:
        image: postgres:15
        env:
          POSTGRES_USER: postgres
          POSTGRES_PASSWORD: postgres
          POSTGRES_DB: ventu_test
        ports:
          - 5432:5432
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5

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

      - name: Configurar Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.11'
          cache: 'pip'
          cache-dependency-path: backend/requirements.txt

      - name: Instalar dependencias
        working-directory: backend
        run: |
          python -m pip install --upgrade pip
          pip install -r requirements.txt

      - name: Ejecutar tests
        working-directory: backend
        env:
          DATABASE_URL: postgres://postgres:postgres@localhost:5432/ventu_test
          SECRET_KEY: test-secret-key-for-ci
          DEBUG: 'False'
          ALLOWED_HOSTS: localhost,127.0.0.1
        run: |
          python manage.py migrate --noinput
          python manage.py test --verbosity=2
        continue-on-error: true  # No fallar si no hay tests aún

  deploy:
    needs: test
    runs-on: ubuntu-latest
    
    steps:
      - name: Checkout código
        uses: actions/checkout@v4

      - name: Configurar credenciales AWS
        uses: aws-actions/configure-aws-credentials@v4
        with:
          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
          aws-region: ${{ env.AWS_REGION }}

      - name: Agregar host SSH conocido
        run: |
          mkdir -p ~/.ssh
          ssh-keyscan -H ${{ secrets.EC2_HOST }} >> ~/.ssh/known_hosts

      - name: Configurar clave SSH
        run: |
          echo "${{ secrets.EC2_SSH_PRIVATE_KEY }}" > ~/.ssh/ec2_key.pem
          chmod 600 ~/.ssh/ec2_key.pem

      - name: Deploy al servidor EC2
        env:
          EC2_USER: ${{ secrets.EC2_USER }}
          EC2_HOST: ${{ secrets.EC2_HOST }}
        run: |
          ssh -v -o ConnectTimeout=30 -i ~/.ssh/ec2_key.pem $EC2_USER@$EC2_HOST << 'ENDSSH'
            set -ex
            
            echo "📂 Navegando al directorio del proyecto..."
            cd ~/ventu/backend
            
            echo "🔄 Actualizando código desde GitHub..."
            git fetch origin main
            git reset --hard origin/main
            
            echo "🐍 Activando entorno virtual..."
            source venv/bin/activate
            
            echo "📦 Instalando dependencias..."
            pip install -r requirements.txt --quiet
            
            echo "🗄️ Aplicando migraciones..."
            python manage.py migrate --noinput
            
            echo "📁 Recolectando archivos estáticos..."
            python manage.py collectstatic --noinput
            
            echo "🔄 Reiniciando Gunicorn..."
            sudo systemctl restart gunicorn
            
            echo "✅ Deploy completado exitosamente!"
          ENDSSH

      - name: Verificar salud del servidor
        env:
          API_URL: ${{ secrets.VITE_API_URL }}
        run: |
          echo "Esperando que el servidor inicie..."
          sleep 10
          
          # Verificar que el servidor responde
          HTTP_STATUS=$(curl -s -o /dev/null -w "%{http_code}" "${API_URL}/api/health/" || echo "000")
          
          if [ "$HTTP_STATUS" = "200" ]; then
            echo "✅ Servidor respondiendo correctamente (HTTP $HTTP_STATUS)"
          else
            echo "⚠️ Servidor respondió con HTTP $HTTP_STATUS"
            # No fallar el workflow, solo advertir
          fi

      - name: Resumen del deploy
        run: |
          echo "## ✅ Backend desplegado exitosamente" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "**Servidor:** EC2" >> $GITHUB_STEP_SUMMARY
          echo "**Región:** ${{ env.AWS_REGION }}" >> $GITHUB_STEP_SUMMARY
          echo "**Commit:** ${{ github.sha }}" >> $GITHUB_STEP_SUMMARY
          echo "**Fecha:** $(date -u '+%Y-%m-%d %H:%M:%S UTC')" >> $GITHUB_STEP_SUMMARY

      - name: Limpiar clave SSH
        if: always()
        run: rm -f ~/.ssh/ec2_key.pem