name: CI/CD Pipeline

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

jobs:
  validate-and-build:
    name: Build & Validate
    runs-on: ubuntu-latest

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

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 20
          cache: 'npm'

      - name: Install Frontend Dependencies
        run: npm ci

      - name: Run TypeScript & Lint Checks
        run: npm run lint

      - name: Build Frontend Application
        run: npm run build

      - name: Validate Backend
        run: |
          cd backend
          npm ci
          node --check server.js database.js mail.js

  docker-build:
    name: Docker Build Validation
    runs-on: ubuntu-latest
    needs: validate-and-build

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

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

      - name: Build Docker Compose Stack
        run: docker compose build