prcheckmerge.yml

name: PR Review and Deploy

on:
  pull_request:
    types: [opened, synchronize]

jobs:

  test:
    runs-on: ubuntu-latest
    
    steps:
    - name: Checkout repository
      uses: actions/checkout@v3
      with:
        fetch-depth: 2

    - name: Setup Node.js
      uses: actions/setup-node@v3
      with:
        node-version: '16'
        
    - name: Cache dependencies
      uses: actions/cache@v3
      with:
        path: ~/.npm
        key: ${{ runner.OS }}-node-${{ hashFiles('**/package-lock.json') }}
        restore-keys: |
          ${{ runner.OS }}-node-

    - name: Install dependencies
      run: npm ci

    - name: Run tests
      run: npm test

  build:
    needs: test
    runs-on: ubuntu-latest
    
    steps:
    - name: Checkout repository
      uses: actions/checkout@v3
      with:
        fetch-depth: 2
        
    - name: Setup Node.js
      uses: actions/setup-node@v3
      with:
        node-version: '16'
        
    - name: Cache dependencies
      uses: actions/cache@v3
      with:
        path: ~/.npm
        key: ${{ runner.OS }}-node-${{ hashFiles('**/package-lock.json') }}
        restore-keys: |
          ${{ runner.OS }}-node-

    - name: Install dependencies
      run: npm ci

    - name: Build project
      run: npm run build
      
    - name: Deploy to GitHub Pages
      if: github.event.pull_request.state == 'open'
      uses: peaceiris/actions-gh-pages@v3
      with:
        github_token: ${{ secrets.GITHUB_TOKEN }}
        publish_dir: ./build
        destination_dir: pr-preview/${{ github.event.pull_request.number }}

    - name: Comment PR with preview link
      if: github.event.pull_request.state == 'open'
      uses: actions/github-script@v6
      with:
        github-token: ${{ secrets.GITHUB_TOKEN }}
        script: |
          github.rest.issues.createComment({
            issue_number: context.issue.number,
            owner: context.repo.owner,
            repo: context.repo.repo,
            body: `Preview deployed to https://${context.repo.owner}.github.io/${context.repo.repo}/pr-preview/${context.issue.number}/`
          })

  merge-and-deploy:
    needs: build
    runs-on: ubuntu-latest
    
    steps:
    - name: Checkout repository
      uses: actions/checkout@v3
      with:
        fetch-depth: 2
        
    - name: Merge all PRs and deploy via Codespace
      run: |
        git config --global user.name "github-actions[bot]"
        git config --global user.email "github-actions[bot]@users.noreply.github.com"
        git fetch --depth=2 origin ${{ github.event.pull_request.head.ref }}
        git merge --no-commit --no-ff origin/${{ github.event.pull_request.head.ref }}
        git push origin main
        curl -X POST \
          https://api.github.com/repos/${GITHUB_REPOSITORY}/actions/workflows/deploy.yml/dispatches \
          -H 'Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}' \
          -H 'Content-Type: application/json' \
          -d '{"ref":"main"}'

    - name: Run site via Codespace
      uses: github/codespaces-action@v1
      with:
        codespace_name: ${{ github.event.pull_request.number }}
        codespace_repo: ${{ github.event.repository.name }}
        codespace_ref: main
        codespace_command: npm start