name: AWS Lambda CI

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

jobs:
  build:
    name: Build Lambda Layer
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@v3

    - name: Setup Node.js
      uses: actions/setup-node@v3
      with:
        node-version: 16.x

    - name: Install Packages
      run: npm install

    - name: Create Lambda Layer
      run: make chromium.zip

    - name: Upload Layer Artifact
      uses: actions/upload-artifact@v3
      with:
        name: chromium
        path: chromium.zip

  execute:
    name: Lambda (Node ${{ matrix.version }}.x)
    needs: build
    runs-on: ubuntu-latest
    strategy:
      matrix:
        event:
          - example.com
        version:
          - 14
          - 16
    steps:
    - name: Checkout
      uses: actions/checkout@v3

    - name: Setup Python
      uses: actions/setup-python@v3
      with:
        python-version: '3.x'

    - name: Setup AWS SAM CLI
      uses: aws-actions/setup-sam@v2

    - name: Download Layer Artifact
      uses: actions/download-artifact@v3
      with:
        name: chromium

    - name: Provision Layer
      run: unzip chromium.zip -d _/amazon/code

    - name: Install test dependencies
      run: npm install --prefix _/amazon/handlers puppeteer-core --bin-links=false --fund=false --omit=optional --omit=dev --package-lock=false --save=false

    - name: Invoke Lambda on SAM
      run: sam local invoke --template _/amazon/template.yml --event _/amazon/events/${{ matrix.event }}.json node${{ matrix.version }} 2>&1 | (grep 'Error' && exit 1 || exit 0)