name: Build-Publish-Website

on:
  push:
    paths: 
        - ".github/workflows/website.yml"
        - "website/**"
        - "!website/README.md"

jobs:
  build:
    name: Build Website
    runs-on: ubuntu-latest
    env:
      MDBOOK-VERSION: v0.4.21
      MDBOOK-PAGETOC-VERSION: v0.1.4
      MDBOOK-LINKCHECK-VERSION: v0.7.6
      CARGO_TERM_COLOR: always

    steps:
      - name: Checkout Repository
        uses: actions/checkout@v3
      
      - name: Restore mdBook Cache
        id: cache-mdbook
        uses: actions/cache@v3
        with:
          path: ./mdbook
          key: mdbook-${{ env.MDBOOK-VERSION }}
          
      - name: Install mdbook
        if: steps.cache-mdbook.outputs.cache-hit != 'true'
        run: |
          mkdir mdbook
          curl -sSL https://github.com/rust-lang/mdBook/releases/download/${{ env.MDBOOK-VERSION }}/mdbook-${{ env.MDBOOK-VERSION }}-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=./mdbook
        
      - name: Restore mdbook-pagetoc Cache
        id: cache-mdbook-pagetoc
        uses: actions/cache@v3
        with:
          path: ./mdbook-pagetoc
          key: mdbook-pagetoc-${{ env.MDBOOK-PAGETOC-VERSION }}
          
      - name: Install mdbook-pagetoc
        if: steps.cache-mdbook-pagetoc.outputs.cache-hit != 'true'
        run: |
          mkdir mdbook-pagetoc
          curl -sSL https://github.com/slowsage/mdbook-pagetoc/releases/download/${{ env.MDBOOK-PAGETOC-VERSION }}/mdbook-pagetoc-${{ env.MDBOOK-PAGETOC-VERSION }}-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=./mdbook-pagetoc
      
      - name: Restore mdbook-linkcheck Cache
        id: cache-mdbook-linkcheck
        uses: actions/cache@v3
        with:
          path: ./mdbook-linkcheck
          key: mdbook-linkcheck-${{ env.MDBOOK-LINKCHECK-VERSION }}
          
      - name: Install mdbook-linkcheck
        if: steps.cache-mdbook-linkcheck.outputs.cache-hit != 'true'
        run: |
          mkdir mdbook-linkcheck && cd "$_"
          curl -sSL https://github.com/Michael-F-Bryan/mdbook-linkcheck/releases/download/${{ env.MDBOOK-LINKCHECK-VERSION }}/mdbook-linkcheck.x86_64-unknown-linux-gnu.zip -o mdbook-linkcheck.zip
          unzip mdbook-linkcheck.zip
          chmod +x mdbook-linkcheck
        
      - name: Update PATH
        run: |
          echo `pwd`/mdbook >> $GITHUB_PATH
          echo `pwd`/mdbook-pagetoc >> $GITHUB_PATH
          echo `pwd`/mdbook-linkcheck >> $GITHUB_PATH
      
      - name: Build Book
        run: mdbook build
        working-directory: ./website
      
      - name: Store HTML
        if: ${{ github.ref == 'refs/heads/main' }}
        uses: actions/upload-artifact@v3
        with:
          name: book
          path: ./website/book
          
  sitemap:
    if: ${{ github.ref == 'refs/heads/main' }}
    name: Generate Sitemap
    needs: build
    runs-on: ubuntu-latest
    env:
      STATIC-SITEMAP-CLI-VERSION: 2.1.2
    
    steps:
      - name: Download HTML
        uses: actions/download-artifact@v3
        with:
          name: book
          path: ./book
      
      # Unsure how to cache NPM
      - name: Install Static Sitemap CLI                      
        run: |
          npm install npx
          npm install static-sitemap-cli@${{ env.STATIC-SITEMAP-CLI-VERSION }}
      
      - name: Generate Sitemap
        run: |
          cd ./book/html
          npx sscli --base https://neovide.dev
        
      - name: Store Sitemap
        uses: actions/upload-artifact@v3
        with:
          name: sitemap
          path: ./book/html/sitemap.xml
        

  publish:
    if: ${{ github.ref == 'refs/heads/main' }}
    name: Publish Website
    needs: sitemap
    runs-on: ubuntu-latest
    
    steps:
      - name: Download HTML & Sitemap
        uses: actions/download-artifact@v3
      
      - name: Move Sitemap Into HTML
        run: mv ./sitemap/sitemap.xml ./book/html
      
      - name: Publish to GitHub Pages
        uses: peaceiris/actions-gh-pages@v3
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          publish_dir: ./book/html