name: Validate links data

on:
  push:
    branches: [main]
    paths:
      - "data/links.example.json"
      - "data/links.schema.json"
      - ".github/workflows/validate-data.yml"
  pull_request:
    paths:
      - "data/links.example.json"
      - "data/links.schema.json"
      - ".github/workflows/validate-data.yml"

jobs:
  validate:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: JSON syntax (jq)
        run: |
          set -e
          # data/links.json is gitignored (personal content); only validate what's tracked.
          for f in data/links.example.json data/links.schema.json; do
            echo "Checking $f"
            jq empty "$f"
          done

      - name: Schema validation (ajv)
        run: |
          npx --yes ajv-cli@5 validate \
            --spec=draft2020 \
            --strict=false \
            -s data/links.schema.json \
            -d data/links.example.json