name: Publish Docs

on:
  workflow_dispatch:
  push:
    branches: [ "main" ]

env:
  CARGO_TERM_COLOR: always

jobs:
  build:
    name: Build Docs

    runs-on: ubuntu-latest

    steps:
    - name: Checkout
      uses: actions/checkout@v3
    - name: Setup Rust Env
      uses: actions-rs/toolchain@v1
      with:
        toolchain: nightly
        override: true
    - name: Build Docs
      run: RUSTDOCFLAGS="--cfg docs_build" cargo doc
    - name: Setup Pages
      id: pages
      uses: actions/configure-pages@v2
    - name: Upload artifact
      uses: actions/upload-pages-artifact@v1
      with:
        # Upload entire doc folder
        path: './target/doc'

  deploy:
    name: Deploy to Pages
  
    needs: build
    
    # Grant GITHUB_TOKEN the permissions required to make a Pages deployment
    permissions:
      pages: write      # to deploy to Pages
      id-token: write   # to verify the deployment originates from an appropriate source

    # Deploy to the github-pages environment
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}

    # Specify runner + deployment step
    runs-on: ubuntu-latest
    
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v1