name: gitbook build and deploy

on:
  push:
    branches: main

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2

      - name: Install ubuntu package
        sudo apt-get update && sudo apt-get install calibre
        #install japanese font if your document is JP
        sudo apt-get install fonts-takao-mincho fonts-takao

      - name: Run PDF export
        run: |
          # install n to downgrade npm version
          sudo npm install -g n
          fixed_npm=`n ls-remote --all 10  | head -n 1`
          # downgrade to 10.x
          sudo n ${fixed_npm}
          # install gitbok-cli and call
          npm install gitbook-cli
          ./node_modules/.bin/gitbook pdf
          ./node_modules/.bin/gitbook build

      - name: Archive pdf artifacts
        uses: actions/upload-artifact@v2
        with:
          name: output.pdf
          path: book.pdf

      - name: Deploy
        uses: peaceiris/actions-gh-pages@v3
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
        publish_dir: ./_book
        user_name: 'ai[bot]'
        user_email: '138105980+yui-syui-ai[bot]@users.noreply.github.com'