name: Build and Deploy BSc Code Index

on:
  push:
    branches:
      - main
    paths-ignore:
      - 'CHANGELOG.md'
  workflow_dispatch:

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

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

jobs:
  sync-hf:
    runs-on: ubuntu-latest
    if: github.actor != 'github-actions[bot]'
    steps:
      - name: Checkout GitHub Repo
        uses: actions/checkout@v4
        with:
          fetch-depth: 1 

      - name: Safe Sync to Hugging Face
        env:
          HF_TOKEN: ${{ secrets.HF_TOKEN }}
        run: |
          git clone https://notamitgamer:${HF_TOKEN}@huggingface.co/datasets/notamitgamer/usercontent /tmp/hf_repo
          
          rsync -av --delete \
            --exclude='.git' \
            --exclude='MinGW64' \
            --exclude='*.exe' \
            --exclude='site_files' \
            $GITHUB_WORKSPACE/ /tmp/hf_repo/

          cd /tmp/hf_repo
          
          git lfs install
          git lfs track "*.pdf"
          git lfs track "*.docx"
          git add .gitattributes
          
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          
          git add .
          
          git commit -m "Safe auto-sync: updating GitHub files while protecting dynamic folders" || echo "No changes to commit"
          
          git push origin main

  build:
    runs-on: ubuntu-latest
    if: github.actor != 'github-actions[bot]'
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0  

      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.13'

      - name: Generate markdown files
        run: |
           python list.py
           python md.py
      
      - name: Generate changelog
        env:
          BUILD_SHA: ${{ github.sha }}
          BUILD_ACTOR: ${{ github.actor }}
          BUILD_REF: ${{ github.ref_name }}
          BUILD_TIMESTAMP: ${{ github.event.head_commit.timestamp }}
        run: |
          git log --pretty=format:"%H|%s|%an|%aI" -20 > git_log.txt
          python changelog.py

      - name: Commit generated changelog to repo
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          
          git add CHANGELOG.md
          
          if ! git diff --cached --quiet; then
            git commit -m "chore: update changelog [skip ci]"
            git push
          else
            echo "No changes"
          fi

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 22
          cache: npm

      - name: Install dependencies
        run: npm ci

      - name: Build VitePress
        run: npm run docs:build
        env:
          VITE_DEPLOY_ID: ${{ github.sha }}

      - name: Upload artifact
        uses: actions/upload-pages-artifact@v3
        with:
          path: docs/.vitepress/dist

  deploy:
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    runs-on: ubuntu-latest
    if: github.actor != 'github-actions[bot]'
    needs: build
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v4