name: Validate Data Repo

on:
  push:
  workflow_dispatch:

jobs:
  validate:
    runs-on: ubuntu-latest
    steps:
      - name: Check out repository
        uses: actions/checkout@v4
        with:
          lfs: true

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.11"

      - name: Validate JSON files
        run: |
          python - <<'PY'
          import json
          from pathlib import Path

          json_files = list(Path(".").rglob("*.json"))
          bad = []
          for path in json_files:
              try:
                  json.loads(path.read_text(encoding="utf-8"))
              except Exception as exc:
                  bad.append(f"{path}: {exc}")

          if bad:
              raise SystemExit("Invalid JSON files:\n" + "\n".join(bad))

          print(f"Validated {len(json_files)} JSON files.")
          PY

      - name: Check required top-level folders
        run: |
          test -d projects
          test -d manifests