name: docs

on:
  push:
    branches: [main]
    paths:
      - '**/*.md'
      - 'mkdocs.yml'
      - 'requirements-docs.txt'
      - '.github/workflows/docs.yml'
  workflow_dispatch:

permissions:
  contents: read
  pages: write
  id-token: write

concurrency:
  group: pages
  cancel-in-progress: false

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - uses: actions/setup-python@v5
        with:
          python-version: '3.12'
          cache: pip
          cache-dependency-path: requirements-docs.txt

      - name: Install docs dependencies
        run: pip install -r requirements-docs.txt

      - name: Prepare docs directory
        run: |
          mkdir -p docs
          # Copy everything to docs/
          cp -r . docs/ || true
          # Rename dot-folders so MkDocs processes them (it ignores hidden folders)
          mv docs/.github docs/github_internal || true
          mv docs/.claude docs/claude_internal || true
          # Clean up to avoid infinite recursion and unwanted files
          rm -rf docs/docs docs/site docs/.git
          # Update internal links from README.md to index.md and handle renamed dot-folders
          find docs -name "*.md" -exec sed -i 's/README\.md/index.md/g' {} +
          find docs -name "*.md" -exec sed -i 's/\.github/github_internal/g' {} +
          find docs -name "*.md" -exec sed -i 's/\.claude/claude_internal/g' {} +
          # Recursively rename README.md to index.md for canonical MkDocs structure
          find docs -name "README.md" -execdir mv README.md index.md \;
          # Create index files for folders that don't have them but are in the nav
          mkdir -p docs/github_internal/workflows
          echo "# GitHub Workflows" > docs/github_internal/workflows/index.md
          mkdir -p docs/claude_internal/skills
          echo "# Claude Skills" > docs/claude_internal/skills/index.md

      - name: Build site
        run: mkdocs build

      - uses: actions/configure-pages@v5

      - uses: actions/upload-pages-artifact@v3
        with:
          path: site

  deploy:
    needs: build
    runs-on: ubuntu-latest
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    steps:
      - id: deployment
        uses: actions/deploy-pages@v4