name: Serverless LocalStack CI

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

jobs:
  serverless-localstack-test:
    name: Serverless LocalStack CI
    runs-on: ubuntu-latest
    strategy:
      matrix:
        sls-major-version: ["2", "3"]
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Setup NodeJS
        uses: actions/setup-node@v3
        with:
          node-version: '18'

      - name: Cache node modules
        uses: actions/cache@v3
        env:
          cache-name: cache-node-modules-v${{ matrix.sls-major-version }}
        with:
          path: ~/.npm
          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ matrix.sls-major-version }}-${{ hashFiles('**/package-lock.json') }}
          restore-keys: |
            ${{ runner.os }}-build-${{ env.cache-name }}-${{ matrix.sls-major-version }}-

      - name: Install deps
        run: |
          npm install

      - name: Update SLS version to v3
        if: ${{ matrix.sls-major-version == '3' }}
        run: |
          npm install serverless@3
      
      - name: Check installed version
        env:
          EXPECTED_SLS_MAJOR_VERSION: ${{ matrix.sls-major-version }}
        run : |
          installed_sls_version=$(npm list | grep serverless@ | sed -E 's/.*serverless@(.*)/\1/')
          echo "installed serverless version: ${installed_sls_version}"
          if [ "${installed_sls_version:0:1}" !=  ${EXPECTED_SLS_MAJOR_VERSION} ]; then
            echo "expected version ${EXPECTED_SLS_MAJOR_VERSION}, but installed ${installed_sls_version}"
            exit 1
          fi

      - name: Start LocalStack
        env:
          LOCALSTACK_AUTH_TOKEN: ${{ secrets.LOCALSTACK_AUTH_TOKEN }}
        run: |
          pip install localstack 
          docker pull localstack/localstack-pro
          localstack auth set-token $LOCALSTACK_AUTH_TOKEN
          localstack start -d 
          localstack wait -t 30

      - name: Run Lint and Test
        run: |
          set -e
          npm run lint
          npm run test

      - name: Integration Tests
        run: |
          npm link
          sleep 5; SLS_DEBUG=1 npm run test:integration