name: Documentation Validation

on:
  push:
    branches: [main, develop]
    paths:
      - 'docs/**'
      - '**/*.md'
      - '.gitea/workflows/docs-validation.yml'
  pull_request:
    branches: [main, develop]
  workflow_dispatch:

concurrency:
  group: docs-validation-${{ github.ref }}
  cancel-in-progress: true

jobs:
  validate-docs:
    runs-on: debian
    timeout-minutes: 10

    steps:
      - name: Clone repository
        run: |
          WORKSPACE="/var/lib/aitbc-workspaces/docs-validation"
          rm -rf "$WORKSPACE"
          mkdir -p "$WORKSPACE"
          cd "$WORKSPACE"
          git clone --depth 1 http://gitea.bubuit.net:3000/oib/aitbc.git repo

      - name: Install tools
        run: |
          npm install -g markdownlint-cli 2>/dev/null || echo "⚠️ markdownlint not installed"

      - name: Lint Markdown files
        run: |
          cd /var/lib/aitbc-workspaces/docs-validation/repo
          
          # Ensure standard directories exist
          mkdir -p /var/lib/aitbc/data /var/lib/aitbc/keystore /etc/aitbc /var/log/aitbc
          
          echo "=== Linting Markdown ==="
          if command -v markdownlint >/dev/null 2>&1; then
            markdownlint "docs/**/*.md" "*.md" \
              --ignore "docs/archive/**" \
              --ignore "node_modules/**" || echo "⚠️ Markdown linting warnings"
          else
            echo "⚠️ markdownlint not available, skipping"
          fi
          echo "✅ Markdown linting completed"

      - name: Check documentation structure
        run: |
          cd /var/lib/aitbc-workspaces/docs-validation/repo
          echo "=== Documentation Structure ==="
          for f in docs/README.md docs/MASTER_INDEX.md; do
            if [[ -f "$f" ]]; then
              echo "  ✅ $f exists"
            else
              echo "  ❌ $f missing"
            fi
          done

      - name: Documentation stats
        if: always()
        run: |
          cd /var/lib/aitbc-workspaces/docs-validation/repo
          echo "=== Documentation Statistics ==="
          echo "  Markdown files: $(find docs -name '*.md' 2>/dev/null | wc -l)"
          echo "  Total size: $(du -sh docs 2>/dev/null | cut -f1)"
          echo "  Categories: $(ls -1 docs 2>/dev/null | wc -l)"

      - name: Cleanup
        if: always()
        run: rm -rf /var/lib/aitbc-workspaces/docs-validation