name: CI/CD Pipeline

on:
  push:
    branches: [ main, develop ]
  pull_request:
    branches: [ main ]

env:
  REGISTRY: ${{ secrets.CI_HOST }}:5000
  IMAGE_NAME: ${{ secrets.APP_NAME || 'sharenet' }}

jobs:
  test-backend:
    name: Test Backend
    runs-on: ubuntu-latest
    
    services:
      postgres:
        image: postgres:15
        env:
          POSTGRES_PASSWORD: postgres
          POSTGRES_DB: ${{ secrets.APP_NAME || 'sharenet' }}_test
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
        ports:
          - 5432:5432

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

    - name: Install Rust toolchain
      uses: actions-rs/toolchain@v1
      with:
        toolchain: stable
        override: true

    - name: Install SQLx CLI
      run: cargo install sqlx-cli --no-default-features --features postgres

    - name: Cache Rust dependencies
      uses: actions/cache@v3
      with:
        path: |
          ~/.cargo/registry
          ~/.cargo/git
          backend/target
        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
        restore-keys: |
          ${{ runner.os }}-cargo-

    - name: Make scripts executable
      run: chmod +x scripts/*.sh

    - name: Validate migration files
      env:
        DATABASE_URL: postgres://postgres:postgres@localhost:5432/${{ secrets.APP_NAME || 'sharenet' }}_test
      run: |
        # Wait for PostgreSQL to be ready
        echo "Waiting for PostgreSQL to be ready..."
        timeout 60 bash -c 'until pg_isready -h localhost -p 5432 -U postgres; do sleep 1; done'
        
        # Create test database if it doesn't exist
        sqlx database create --database-url "$DATABASE_URL" || true
        
        # Run initial migrations to set up the database
        sqlx migrate run --database-url "$DATABASE_URL" || true
        
        # Validate migration files
        ./scripts/validate_migrations.sh --verbose

    - name: Run backend tests
      working-directory: ./backend
      env:
        DATABASE_URL: postgres://postgres:postgres@localhost:5432/${{ secrets.APP_NAME || 'sharenet' }}_test
      run: |
        cargo test --all
        cargo clippy --all -- -D warnings
        cargo fmt --all -- --check

  test-frontend:
    name: Test Frontend
    runs-on: ubuntu-latest

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

    - name: Setup Node.js
      uses: actions/setup-node@v4
      with:
        node-version: '20'
        cache: 'npm'
        cache-dependency-path: frontend/package-lock.json

    - name: Install frontend dependencies
      working-directory: ./frontend
      run: npm ci

    - name: Run frontend tests
      working-directory: ./frontend
      run: |
        npm run lint
        npm run type-check
        npm run build

  build-and-push:
    name: Build and Push Docker Images
    needs: [test-backend, test-frontend]
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/main'

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

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

    - name: Configure Docker for local registry
      run: |
        echo '{"insecure-registries": ["${{ secrets.CI_HOST }}:5000"]}' | sudo tee /etc/docker/daemon.json
        sudo systemctl restart docker

    - name: Build and push backend image
      uses: docker/build-push-action@v5
      with:
        context: ./backend
        file: ./backend/Dockerfile
        push: true
        tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}/backend:${{ github.sha }}
        cache-from: type=gha
        cache-to: type=gha,mode=max

    - name: Build and push frontend image
      uses: docker/build-push-action@v5
      with:
        context: ./frontend
        file: ./frontend/Dockerfile
        push: true
        tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}/frontend:${{ github.sha }}
        cache-from: type=gha
        cache-to: type=gha,mode=max

  deploy:
    name: Deploy to Production
    needs: build-and-push
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/main'

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

    - name: Install SQLx CLI
      run: cargo install sqlx-cli --no-default-features --features postgres

    - name: Make scripts executable
      run: chmod +x scripts/*.sh

    - name: Deploy to production server
      uses: appleboy/ssh-action@v1.0.3
      with:
        host: ${{ secrets.PROD_HOST }}
        username: ${{ secrets.PROD_USER }}
        key: ${{ secrets.PROD_SSH_KEY }}
        script: |
          cd /opt/${{ secrets.APP_NAME || 'sharenet' }}
          
          # Pull latest code from repository (includes scripts and docker-compose.yml)
          git pull origin main
          
          # Create environment file for this deployment
          echo "IMAGE_TAG=${{ github.sha }}" > .env
          echo "REGISTRY=${{ secrets.CI_HOST }}:5000" >> .env
          echo "IMAGE_NAME=${{ secrets.APP_NAME || 'sharenet' }}" >> .env
          echo "POSTGRES_PASSWORD=${{ secrets.POSTGRES_PASSWORD || 'your_secure_password_here' }}" >> .env
          echo "POSTGRES_USER=${{ secrets.POSTGRES_USER || 'sharenet' }}" >> .env
          echo "POSTGRES_DB=${{ secrets.POSTGRES_DB || 'sharenet' }}" >> .env
          echo "DATABASE_URL=postgresql://${{ secrets.POSTGRES_USER || 'sharenet' }}:${{ secrets.POSTGRES_PASSWORD || 'your_secure_password_here' }}@postgres:5432/${{ secrets.POSTGRES_DB || 'sharenet' }}" >> .env
          echo "NODE_ENV=production" >> .env
          echo "RUST_LOG=info" >> .env
          
          # Make scripts executable
          chmod +x scripts/*.sh
          
          # Validate migrations before deployment
          echo "Validating migration files before deployment..."
          ./scripts/validate_migrations.sh --verbose || {
            echo "ERROR: Migration validation failed. Deployment aborted."
            exit 1
          }
          
          # Run deployment using the new deployment script
          ./scripts/deploy.sh deploy