name: Deploy Expo Preview

on:
  pull_request:

jobs:
  deploy_branch_preview:
    name: Deploy Branch Preview
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2

      - uses: actions/setup-node@v1
        with:
          node-version: 12.x

      - uses: expo/expo-github-action@v5
        with:
          expo-packager: yarn
          expo-username: ${{ secrets.EXPO_CLI_USERNAME }}
          expo-password: ${{ secrets.EXPO_CLI_PASSWORD }}
          expo-cache: true

      - name: Cache Node Modules
        uses: actions/cache@v2
        env:
          cache-name: cache-node-modules
        with:
          path: ~/.cache/yarn
          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/yarn.lock') }}
          restore-keys: |
            ${{ runner.os }}-build-${{ env.cache-name }}-
            ${{ runner.os }}-build-
            ${{ runner.os }}-
      - name: Install Packages
        run: |
          corepack enable
          yarn install

      - name: Expo Publish Channel
        run: expo publish --non-interactive --release-channel pr${{ github.event.number }}
        working-directory: packages/app

      - name: Add Comment To PR
        uses: mshick/add-pr-comment@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          EXPO_PROJECT: "@${{ secrets.EXPO_CLI_USERNAME }}/bob"
        with:
          message: |
            ## Application
            ![Expo QR](https://api.qrserver.com/v1/create-qr-code/?size=250x250&data=exp://exp.host/${{ env.EXPO_PROJECT }}?release-channel=pr${{ github.event.number }})
            Published to https://exp.host/${{ env.EXPO_PROJECT }}?release-channel=pr${{ github.event.number }}