name: Format validation

on:
  push:
    paths-ignore:
      - '*'
      - '!/test/writer.*'
      - '!/test/tables.*'
  pull_request:
    paths-ignore:
      - '*'
      - '!/test/writer.*'
      - '!/test/tables.*'

jobs:
  jats:
    name: JATS
    runs-on: ubuntu-latest
    env:
      VALIDATOR_URL: "https://jats-validator.hubmed.org/dtd/"
    strategy:
      fail-fast: false
      matrix:
        tagset:
          - articleauthoring
          - publishing
          - archiving
        file:
          - writer
          # tables are not supported yet, the files contain only snippets.
    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Validate
        run: |
          filename=test/${{ matrix.file }}.jats_${{ matrix.tagset }}
          echo "$filename"
          json="$(curl --form "xml=@${filename}" --silent "$VALIDATOR_URL")"
          echo "$json"
          err_count="$(echo "$json" | jq '.errors | length')"
          if [ "$err_count" -eq 0 ]; then
              exit 0
          else
              printf "Validator report:\n%s" "$json"
              exit 1
          fi