name: CI

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

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

      - name: Install linters
        run: |
          sudo apt-get update
          sudo apt-get install -y --no-install-recommends shellcheck yamllint

      - name: Lint Markdown
        uses: DavidAnson/markdownlint-cli2-action@v19
        with:
          globs: "**/*.md"

      - name: Lint YAML
        run: yamllint .

      - name: Shellcheck
        run: shellcheck scripts/*.sh

      - name: Validate skill frontmatter
        run: |
          set -e
          fail=0
          for f in skills/*/SKILL.md; do
            fm=$(awk 'BEGIN{c=0} /^---$/{c++; next} c==1{print} c>=2{exit}' "$f")
            for key in name description; do
              if ! printf '%s\n' "$fm" | grep -qE "^${key}:[[:space:]]"; then
                echo "::error file=${f}::missing '${key}' in YAML frontmatter"
                fail=1
              fi
            done
          done
          exit $fail

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

      - name: Validate JSON files
        run: |
          find . -name "*.json" -not -path "./.git/*" | while read -r f; do
            python3 -m json.tool "$f" > /dev/null || { echo "::error file=$f::Invalid JSON"; exit 1; }
          done
          echo "All JSON files valid"