name: 'Package Pull Requests'

on:
  pull_request:
    types:
      - opened
      - edited
      - reopened
      - synchronize
    paths:
      - 'packages/**'

jobs:
  check-build:
    name: Check that package builds
    runs-on: ubuntu-latest
    steps:
      - name: Get PR Commits
        id: 'get-pr-commits'
        uses: tim-actions/get-pr-commits@master
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
      - name: Check subsystem
        uses: tim-actions/commit-message-checker-with-regex@v0.3.1
        with:
          commits: ${{ steps.get-pr-commits.outputs.commits }}
          pattern: '^[\s]*(pkg\([^:\s\n]+\))[\s]*:'
          error: 'Your commit message must start with pkg([package])'
      
      - name: Get packages
        id: 'get-packages'
        shell: bash
        run: |
          COMMITS='${{ steps.get-pr-commits.outputs.commits }}'
          PACKAGES=$(echo $COMMITS | jq .[].commit.message -r | grep -oP '^pkg\(\K[^:\h\n]+(?=\))' | sort -u)
          echo "::set-output name=packages::$PACKAGES"

      - name: Checkout
        uses: actions/checkout@v2

      - name: Build docker containers
        run: |
          docker build -t piston_fs_repo repo
          docker build -t piston_api api
          
      - name: Build Packages
        run: |
          docker run -v $(pwd)'/repo:/repo' -v $(pwd)'/packages:/packages' piston_fs_repo ${{ steps.get-packages.outputs.packages }}

      - name: Run tests
        run: |
          docker run -p 6969:6969 -v $(pwd)'/data:/piston' -v $(pwd)'/repo:/repo' --privileged --name api piston_api & 
          echo Waiting for API to start..
          while [[ "$(curl -s -w '%{http_code}' http://127.0.0.1:6969/runtimes)" != "200" ]]; do sleep 5; done
          echo Adding local repo
          curl -s http://127.0.0.1:6969/repos -XPOST -d "slug=local&url=file:///repo/index.yaml"
          echo Testing packages
          for pkg in "$(curl -s http://127.0.0.1:6969/repos/local/packages/ | jq '.data.packages[] | "\(.language)/\(.language_version)"' -r)"
          do
            PKG_SLUG=${pkg/\//-}
            PKG_NAME=$(echo $pkg | cut -d'/' -f 1)
            PKG_VERSION=$(echo $pkg | cut -d'/' -f 2)
            echo Installing ${PKG_SLUG}
            curl -sXPOST http://127.0.0.1:6969/repos/local/packages/${pkg} | jq '.language' -r || exit 1
            echo Testing ${PKG_SLUG} (using ${PKG_SLUG}.tf)
            TEST_FILE=$(cat ${PKG_SLUG}.tf)
            TEST_JSON=`jq -C '.language = "${PKG_NAME}" | .version = "${PKG_VERSION}" | .files=[] | .files[0]={} | .files[0].name="test" | .files[0].name.content="${TEST_FILE}" | .main = "test" | .args = [] | .stdin = "" | .compile_timeout = 10000 | .run_timeout = 3000' <<< '{}'`
            curl -sXPOST http://127.0.0.1:6969/jobs -H 'Content-Type: application/json' -d "$TEST_JSON" > ${PKG_SLUG}.tr
            jq '.run.stdout' ${PKG_SLUG}.tr | grep "OK" || exit 1
          done