name: Check Size

## Workaround for allow size checks on external PRs/dependabot
on:
  pull_request_target:
    types:
      - opened
      - synchronize
      - reopened
permissions:
  pull-requests: write

jobs:
  check-size:
    name: Check Size
    runs-on: ubuntu-latest

    concurrency:
      group: ${{ github.workflow }}-${{ github.ref }}
      cancel-in-progress: true

    steps:
      - uses: actions/checkout@v2
      - uses: actions/cache@v2
        with:
          path: |
            ~/.gradle/caches
            ~/.gradle/wrapper
          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
          restore-keys: |
            ${{ runner.os }}-gradle-

      - uses: actions/setup-java@v2
        with:
          distribution: 'adopt'
          java-version: '11'

      - name: Fetch bundletool
        run: |
          curl -s -L https://github.com/google/bundletool/releases/download/1.9.0/bundletool-all-1.9.0.jar --create-dirs -o bin/bundletool.jar
          chmod +x bin/bundletool.jar
          echo "#!/bin/bash" >> bin/bundletool
          echo 'java -jar $(dirname "$0")/bundletool.jar "$@"' >> bin/bundletool
          chmod +x bin/bundletool
          echo "$(pwd)/bin" >> $GITHUB_PATH

      - name: Check release size
        run: |
          echo "::set-output name=APK_SIZE::$(./tools/check-size.sh | tail -1 | cut -d ',' -f2-)"
        id: size

      - name: Find Comment
        uses: peter-evans/find-comment@v1
        id: fc
        with:
          issue-number: ${{ github.event.pull_request.number }}
          comment-author: 'github-actions[bot]'
          body-includes: APK Size
      - name: Publish size to PR
        uses: peter-evans/create-or-update-comment@v1
        with:
          comment-id: ${{ steps.fc.outputs.comment-id }}
          issue-number: ${{ github.event.pull_request.number }}
          body: |
            APK Size: ${{ steps.size.outputs.APK_SIZE }}
          edit-mode: replace