name: docs

on:
  push:
    branches:
      - master

env:
  nim-version: stable
  nim-src: waku/waku.nim
  deploy-dir: .gh-pages

jobs:
  docs:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v2

        # We need to do this because of how github cache works
        # I am not sure we can move the cache file, so if we do not do this
        # make update breaks because the cached compiler is there where the submodules
        # are meant to go.
      - name: Submodules
        run: |
          git submodule update --init --recursive
      - name: Cache nim
        uses: actions/cache@v1
        with:
          path: vendor/nimbus-build-system/vendor/Nim/bin
          key: ${{ runner.os }}-${{ matrix.env.NPROC }}-nim-${{ hashFiles('.gitmodules') }}

      - name: Install dependencies
        run: |
          make -j${NPROC} NIMFLAGS="--parallelBuild:${NPROC}" V=1 update 
          make -j${NPROC} NIMFLAGS="--parallelBuild:${NPROC}" LOG_LEVEL=TRACE
      - run: nim doc --index:on --project --out:${{ env.deploy-dir }} ${{ env.nim-src }}
      - name: Deploy documents
        uses: peaceiris/actions-gh-pages@v3
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          publish_dir: ${{ env.deploy-dir }}