name: Build and Deploy

on:
  push:
    branches:
      - main

jobs:
  build-and-deploy:
    runs-on: ubuntu-latest

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

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

      - name: Install dependencies
        run: npm ci

      - name: Build
        run: npm run build

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

      - name: Deploy dist to server
        run: |
          rsync -avz --delete \
            -e "ssh -i ~/.ssh/deploy_key -o StrictHostKeyChecking=no" \
            dist/ \
            ${{ secrets.SERVER_USER }}@${{ secrets.SERVER_HOST }}:/home/hyoseung/english/back/dist/
          rsync -avz \
            -e "ssh -i ~/.ssh/deploy_key -o StrictHostKeyChecking=no" \
            package.json package-lock.json \
            ${{ secrets.SERVER_USER }}@${{ secrets.SERVER_HOST }}:/home/hyoseung/english/back/

      - name: Install production deps & restart PM2
        run: |
          ssh -i ~/.ssh/deploy_key -o StrictHostKeyChecking=no \
            ${{ secrets.SERVER_USER }}@${{ secrets.SERVER_HOST }} \
            "cd /home/hyoseung/english/back && npm ci --omit=dev && pm2 restart english-back || pm2 start dist/main.js --name english-back && pm2 save"