name: Build zip for PR
on:
  pull_request
jobs:
  build:
    name: Build zip for PR
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v2

      - name: Build
        id: build
        uses: woocommerce/action-build@v2

      - name: Upload PR zip
        uses: actions/upload-artifact@v2
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          name: woocommerce
          path: ${{ steps.build.outputs.zip_path }}
          retention-days: 7

      - name: Add comment
        uses: actions/github-script@v3
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            github.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: ':package: Artifacts ready for [download](https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }})!'
            })
  
  e2e-tests-cache:
    name: Set e2e caches for running tests
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code.
        uses: actions/checkout@v2
        
      - name: Load Node.js.
        uses: actions/setup-node@v2
        with:
          node-version: '12'
      
      # From https://docs.github.com/en/actions/guides/caching-dependencies-to-speed-up-workflows#using-the-cache-action
      - name: Cache node modules
        uses: actions/cache@v2
        env:
          cache-name: cache-node-modules
        with:
          path: ./node_modules
          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('package-lock.json') }}
          restore-keys: |
            ${{ runner.os }}-build-${{ env.cache-name }}-
            ${{ runner.os }}-build-
            ${{ runner.os }}-
     
      - name: Run npm install, and cache if they aren't.
        run: npm install
    
  e2e-tests-run:
    name: Runs E2E tests.
    runs-on: ubuntu-latest
    needs: [ build, e2e-tests-cache ]
    steps:

      - name: Create dirs.
        run: |
              mkdir -p code/woocommerce
              mkdir -p package/woocommerce
              mkdir -p tmp/woocommerce

      - name: Checkout code.
        uses: actions/checkout@v2
        with:
          path: package/woocommerce
  
      # From https://docs.github.com/en/actions/guides/caching-dependencies-to-speed-up-workflows#using-the-cache-action
      - name: Cache node modules
        uses: actions/cache@v2
        id: cache_node_modules
        env:
          cache-name: cache-node-modules
        with:
          path: ./node_modules
          key: ${{ runner.os }}-build-${{ hashFiles('package-lock.json') }}
          restore-keys: |
            ${{ runner.os }}-build-${{ env.cache-name }}-
            ${{ runner.os }}-build-
            ${{ runner.os }}-

      - name: Restore node modules from cache, if available.
        if: steps.cache_node_modules.outputs.cache-hit == 'true'
        run: mv ./node_modules package/woocommerce/node_modules

      - name: Run npm install.
        working-directory: package/woocommerce
        run: npm install

      - name: Load docker images and start containers.
        working-directory: package/woocommerce
        run: npx wc-e2e docker:up

      - name: Move current directory to code. We will install zip file in this dir later.
        run: mv ./package/woocommerce/* ./code/woocommerce

      - name: Download WooCommerce ZIP.
        uses: actions/download-artifact@v2
        with:
          name: woocommerce
          path: tmp

      - name: Extract and replace WooCommerce zip.
        working-directory: tmp
        run: |
              unzip woocommerce.zip -d woocommerce
              mv woocommerce/woocommerce/* ../package/woocommerce/

      - name: Run tests command.
        working-directory: code/woocommerce
        run: npx wc-e2e test:e2e