name: Lint Skills Standards

on:
  pull_request:
    paths:
      - 'skills/**/*.md'
      - 'skills/**/*.json'
      - 'skills/**/*.yaml'
      - 'skills/**/*.yml'

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

      - name: Lint Markdown files
        uses: DavidAnson/markdownlint-cli2-action@v19
        with:
          globs: 'skills/**/*.md'
          config: 'skills/.markdownlint.yaml'

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

      - name: Validate JSON files
        run: |
          python3 -c "
          import json, pathlib, sys
          failed = False
          for f in sorted(pathlib.Path('skills').rglob('*.json')):
              try:
                  json.loads(f.read_text())
                  print(f'OK: {f}')
              except Exception as e:
                  print(f'INVALID: {f}: {e}', file=sys.stderr)
                  failed = True
          if failed:
              sys.exit(1)
          "

  check-symlinks:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Verify standards symlinks
        run: |
          for skill_dir in skills/connector-building skills/connector-review skills/connector-standards skills/test-locally; do
            if [ -L "$skill_dir/standards" ]; then
              target=$(readlink "$skill_dir/standards")
              if [ "$target" != "../standards" ]; then
                echo "ERROR: $skill_dir/standards points to '$target', expected '../standards'"
                exit 1
              fi
              echo "OK: $skill_dir/standards -> $target"
            else
              echo "ERROR: $skill_dir/standards is not a symlink"
              exit 1
            fi
          done

  check-plugin-json:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Validate plugin.json
        run: |
          python3 -c "
          import json, sys
          data = json.load(open('skills/.claude-plugin/plugin.json'))
          required = ['name', 'version', 'description', 'author']
          missing = [k for k in required if k not in data]
          if missing:
              print(f'Missing fields in plugin.json: {missing}')
              sys.exit(1)
          print(f'plugin.json OK: {data[\"name\"]} v{data[\"version\"]}')
          "