name: Deploy JupiterLite Page

on:
  # Trigger the workflow on push or pull request,
  # but only for the master branch
  push:
    branches:
      - master
  pull_request:
    branches:
      - master

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout RiscEmu
        uses: actions/checkout@v3
        with:
          path: riscemu

      - name: Setup Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.10'

      - name: Install dependencies
        run: |
          python -m pip install jupyterlite[all] libarchive-c build pyodide-build

      - name: Build RiscEmu source distribution
        run: |
          cd riscemu
          python setup.py sdist

      # Pyodide is cached, so cloned only if not present in the cache, otherwise
      # just checked out to whatever desired version and partially rebuilt.

      - name: Restore cached Pyodide tree
        id: cache-pyodide
        uses: actions/cache@v3
        with:
          path: pyodide
          key: pyodide

      - name: Clone pyodide if not cached
        if: steps.cache-pyodide.outputs.cache-hit != 'true'
        run: git clone https://github.com/pyodide/pyodide.git

      # Clean the xDSL and FrozenList package folders, generate their skeletons
      # and do the necessary updates before building.
      - name: Build custom Pyodide distribution
        run: |

          cd pyodide
          git fetch --all
          git checkout 0.22.0a3
          python -m pip install -r requirements.txt
          sudo apt update && sudo apt install f2c

          rm -rf packages/riscemu
          pyodide skeleton pypi riscemu

          PYODIDE_PACKAGES="riscemu" make

      - name: Build the JupyterLite site
        run: |
          mkdir content
          cp riscemu/docs/* content -r
          cp riscemu/examples content -r

          rm -rf pyodide/pyodide
          mkdir pyodide/pyodide
          mv pyodide/dist pyodide/pyodide/pyodide

          python -m jupyter lite build --contents content --pyodide pyodide/pyodide

      - name: Upload artifact
        uses: actions/upload-pages-artifact@v1
        with:
          path: ./_output

  deploy:
    needs: build
    if: github.ref == 'refs/heads/master' && github.event_name == 'push'
    permissions:
      pages: write
      id-token: write

    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}

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